Yuichi Sudo - RankMe

107 papers A* 2A 11B 17C 16Misc 1Journal 53Unranked 7

Year	Rank	Type	Title / Venue / Authors
2026	J	`jnl`	Complete graph identification in population protocols. Theor. Comput. Sci. Haruki Kanaya, Yuichi Sudo
2026	J	`jnl`	Near-linear time dispersion of mobile agents. Distributed Comput. Yuichi Sudo, Masahiro Shibata, Junya Nakamura, Yonghwan Kim, Toshimitsu Masuzawa
2026	J	`jnl`	Partial gathering of mobile agents in dynamic rings. Theor. Comput. Sci. Masahiro Shibata, Yuichi Sudo, Junya Nakamura, Yonghwan Kim
2025	J	`jnl`	Complementary Time-Space Tradeoff for Self-Stabilizing Leader Election: Polynomial States Meet Sublinear Time. CoRR Yuichi Sudo
2025	J	`jnl`	Partial gathering of mobile agents in dynamic tori. Comput. J. Masahiro Shibata, Naoki Kitamura, Ryota Eguchi, Yuichi Sudo, Junya Nakamura, Yonghwan Kim
2025	B	`conf`	Recolorable Graph Exploration by an Oblivious Agent with Fewer Colors. OPODIS Shota Takahashi, Haruki Kanaya, Shoma Hiraoka, Ryota Eguchi, Yuichi Sudo
2025	J	`jnl`	Recolorable Graph Exploration by an Oblivious Agent with Fewer Colors. CoRR Shota Takahashi, Haruki Kanaya, Shoma Hiraoka, Ryota Eguchi, Yuichi Sudo
2025	—	`conf`	Self-Stabilizing Weakly Byzantine Perpetual Gathering of Mobile Agents. SAND Jion Hirose, Ryota Eguchi, Yuichi Sudo
2025	J	`jnl`	Self-Stabilizing Weakly Byzantine Perpetual Gathering of Mobile Agents. CoRR Jion Hirose, Ryota Eguchi, Yuichi Sudo
2025	B	`conf`	Self-stabilizing Graph Exploration by a Single Agent. SIROCCO Yuichi Sudo, Fukuhito Ooshita, Sayaka Kamei
2025	B	`conf`	Sublinear-Time Collision Detection with a Polynomial Number of States in Population Protocols. SIROCCO Takumi Araya, Yuichi Sudo
2025	J	`jnl`	Two-Robot Computational Landscape: A Complete Characterization of Model Power in Minimal Mobile Robot Systems. CoRR Naoki Kitamura, Yuichi Sudo, Koichi Wada
2025	B	`conf`	Uniform Deployment of Mobile Robots in Complete Bipartite Graphs. OPODIS Masahiro Shibata, Naoki Kitamura, Ryota Eguchi, Yuichi Sudo, Junya Nakamura, Yonghwan Kim, Yoshiaki Katayama, Toshimitsu Masuzawa, Quentin Bramas, Sébastien Tixeuil
2024	A	`conf`	Brief Announcement: Self-Stabilizing Graph Exploration by a Single Agent. DISC Yuichi Sudo, Fukuhito Ooshita, Sayaka Kamei
2024	C	`conf`	Complete Graph Identification in Population Protocols. SSS Haruki Kanaya, Yuichi Sudo
2024	J	`jnl`	Complete Graph Identification in Population Protocols. CoRR Haruki Kanaya, Yuichi Sudo
2024	B	`conf`	Crash-Tolerant Perpetual Exploration with Myopic Luminous Robots on Rings. OPODIS Fukuhito Ooshita, Naoki Kitamura, Ryota Eguchi, Michiko Inoue, Hirotsugu Kakugawa, Sayaka Kamei, Masahiro Shibata, Yuichi Sudo
2024	A	`conf`	Near-Linear Time Dispersion of Mobile Agents. DISC Yuichi Sudo, Masahiro Shibata, Junya Nakamura, Yonghwan Kim, Toshimitsu Masuzawa
2024	J	`jnl`	Self-stabilizing 2-minimal dominating set algorithms based on loop composition. Theor. Comput. Sci. Syohei Maruyama, Yuichi Sudo, Sayaka Kamei, Hirotsugu Kakugawa
2024	J	`jnl`	Sublinear-time Collision Detection with a Polynomial Number of States in Population Protocols. CoRR Takumi Araya, Yuichi Sudo
2023	A*	`conf`	A Near Time-optimal Population Protocol for Self-stabilizing Leader Election on Rings with a Poly-logarithmic Number of States. PODC Daisuke Yokota, Yuichi Sudo, Fukuhito Ooshita, Toshimitsu Masuzawa
2023	J	`jnl`	A Near Time-optimal Population Protocol for Self-stabilizing Leader Election on Rings with a Poly-logarithmic Number of States. CoRR Daisuke Yokota, Yuichi Sudo, Fukuhito Ooshita, Toshimitsu Masuzawa
2023	J	`jnl`	A Self-Stabilizing Distributed Algorithm for the Generalized Dominating Set Problem With Safe Convergence. Comput. J. Hisaki Kobayashi, Yuichi Sudo, Hirotsugu Kakugawa, Toshimitsu Masuzawa
2023	J	`jnl`	Atomic cross-chain swaps with improved space, time and local time complexities. Inf. Comput. Soichiro Imoto, Yuichi Sudo, Hirotsugu Kakugawa, Toshimitsu Masuzawa
2023	J	`jnl`	Loosely-Stabilizing Algorithm on Almost Maximal Independent Set. IEICE Trans. Inf. Syst. Rongcheng Dong, Taisuke Izumi, Naoki Kitamura, Yuichi Sudo, Toshimitsu Masuzawa
2023	J	`jnl`	Near-linear Time Dispersion of Mobile Agents. CoRR Yuichi Sudo, Masahiro Shibata, Junya Nakamura, Yonghwan Kim, Toshimitsu Masuzawa
2023	B	`conf`	On Asynchrony, Memory, and Communication: Separations and Landscapes. OPODIS Paola Flocchini, Nicola Santoro, Yuichi Sudo, Koichi Wada
2023	J	`jnl`	On Asynchrony, Memory, and Communication: Separations and Landscapes. CoRR Paola Flocchini, Nicola Santoro, Yuichi Sudo, Koichi Wada
2023	—	`conf`	Partial Gathering of Mobile Agents in Dynamic Tori. SAND Masahiro Shibata, Naoki Kitamura, Ryota Eguchi, Yuichi Sudo, Junya Nakamura, Yonghwan Kim
2022	A	`conf`	A self-stabilizing 2-minimal dominating set algorithm based on loop composition in networks of girth at least 7. IPDPS Syohei Maruyama, Yuichi Sudo, Sayaka Kamei, Hirotsugu Kakugawa
2022	J	`jnl`	Almost uniform deployment of mobile agents in dynamic rings. Inf. Comput. Masahiro Shibata, Yuichi Sudo, Junya Nakamura, Yonghwan Kim
2022	A	`conf`	Brief Announcement: Gathering Despite Defected View. DISC Yonghwan Kim, Masahiro Shibata, Yuichi Sudo, Junya Nakamura, Yoshiaki Katayama, Toshimitsu Masuzawa
2022	J	`jnl`	Gathering Despite Defected View. CoRR Yonghwan Kim, Masahiro Shibata, Yuichi Sudo, Junya Nakamura, Yoshiaki Katayama, Toshimitsu Masuzawa
2022	B	`conf`	Gathering of Mobile Robots with Defected Views. OPODIS Yonghwan Kim, Masahiro Shibata, Yuichi Sudo, Junya Nakamura, Yoshiaki Katayama, Toshimitsu Masuzawa
2022	—	`conf`	Implementation and Evaluation of Leader Election in the Population Protocol Model Using an Emulation Environment. DASC/PiCom/CBDCom/CyberSciTech Keitaro Watanabe, Hideharu Kojima, Yuichi Sudo, Naoto Yanai, Tatsuhiro Tsuchiya
2022	C	`conf`	Invited Paper: One Bit Agent Memory is Enough for Snap-Stabilizing Perpetual Exploration of Cactus Graphs with Distinguishable Cycles. SSS Kohei Shimoyama, Yuichi Sudo, Hirotsugu Kakugawa, Toshimitsu Masuzawa
2022	J	`jnl`	Loosely-stabilizing maximal independent set algorithms with unreliable communications. Theor. Comput. Sci. Rongcheng Dong, Yuichi Sudo, Taisuke Izumi, Toshimitsu Masuzawa
2022	J	`jnl`	Partial gathering of mobile agents in dynamic rings. CoRR Masahiro Shibata, Yuichi Sudo, Junya Nakamura, Yonghwan Kim
2022	J	`jnl`	Visibility-optimal gathering of seven autonomous mobile robots on triangular grids. Int. J. Netw. Comput. Masahiro Shibata, Masaki Ohyabu, Yuichi Sudo, Junya Nakamura, Yonghwan Kim, Yoshiaki Katayama
2021	J	`jnl`	A Self-stabilizing 1-maximal Independent Set Algorithm. J. Inf. Process. Hideyuki Tanaka, Yuichi Sudo, Hirotsugu Kakugawa, Toshimitsu Masuzawa, Ajoy K. Datta
2021	J	`jnl`	A self-stabilizing algorithm for constructing a minimal reachable directed acyclic graph with two senders and two targets. Theor. Comput. Sci. Yonghwan Kim, Masahiro Shibata, Yuichi Sudo, Junya Nakamura, Yoshiaki Katayama, Toshimitsu Masuzawa
2021	C	`conf`	Asynchronous Gathering Algorithms for Autonomous Mobile Robots with Lights. SSS Rikuo Nakai, Yuichi Sudo, Koichi Wada
2021	J	`jnl`	Asynchronous Gathering Algorithms for Autonomous Mobile Robots with Lights. CoRR Rikuo Nakai, Yuichi Sudo, Koichi Wada
2021	J	`jnl`	Exploration of dynamic tori by multiple agents. Theor. Comput. Sci. Tsuyoshi Gotoh, Yuichi Sudo, Fukuhito Ooshita, Hirotsugu Kakugawa, Toshimitsu Masuzawa
2021	—	`conf`	Gathering of seven autonomous mobile robots on triangular grids. IPDPS Workshops Masahiro Shibata, Masaki Ohyabu, Yuichi Sudo, Junya Nakamura, Yonghwan Kim, Yoshiaki Katayama
2021	J	`jnl`	Gathering of seven autonomous mobile robots on triangular grids. CoRR Masahiro Shibata, Masaki Ohyabu, Yuichi Sudo, Junya Nakamura, Yonghwan Kim, Yoshiaki Katayama
2021	C	`conf`	Loosely-Stabilizing Maximal Independent Set Algorithms with Unreliable Communications. SSS Rongcheng Dong, Yuichi Sudo, Taisuke Izumi, Toshimitsu Masuzawa
2021	C	`conf`	Partial Gathering of Mobile Agents in Dynamic Rings. SSS Masahiro Shibata, Yuichi Sudo, Junya Nakamura, Yonghwan Kim
2021	J	`jnl`	Self-Stabilizing Population Protocols With Global Knowledge. IEEE Trans. Parallel Distributed Syst. Yuichi Sudo, Masahiro Shibata, Junya Nakamura, Yonghwan Kim, Toshimitsu Masuzawa
2021	A	`conf`	Smoothed Analysis of Population Protocols. DISC Gregory Schwartzman, Yuichi Sudo
2021	J	`jnl`	Smoothed Analysis of Population Protocols. CoRR Gregory Schwartzman, Yuichi Sudo
2021	A	`conf`	Time-Optimal Loosely-Stabilizing Leader Election in Population Protocols. DISC Yuichi Sudo, Ryota Eguchi, Taisuke Izumi, Toshimitsu Masuzawa
2021	J	`jnl`	Time-Optimal Self-Stabilizing Leader Election on Rings in Population Protocols. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. Daisuke Yokota, Yuichi Sudo, Toshimitsu Masuzawa
2020	J	`jnl`	Dynamic Ring Exploration with (H, S) View. Algorithms Tsuyoshi Gotoh, Yuichi Sudo, Fukuhito Ooshita, Toshimitsu Masuzawa
2020	C	`conf`	Efficient Dispersion of Mobile Agents without Global Knowledge. SSS Takahiro Shintaku, Yuichi Sudo, Hirotsugu Kakugawa, Toshimitsu Masuzawa
2020	J	`jnl`	Efficient Dispersion of Mobile Agents without Global Knowledge. CoRR Takahiro Shintaku, Yuichi Sudo, Hirotsugu Kakugawa, Toshimitsu Masuzawa
2020	J	`jnl`	Leader Election Requires Logarithmic Time in Population Protocols. Parallel Process. Lett. Yuichi Sudo, Toshimitsu Masuzawa
2020	J	`jnl`	Loosely Stabilizing Leader Election on Arbitrary Graphs in Population Protocols without Identifiers or Random Numbers. IEICE Trans. Inf. Syst. Yuichi Sudo, Fukuhito Ooshita, Hirotsugu Kakugawa, Toshimitsu Masuzawa
2020	J	`jnl`	Loosely-stabilizing leader election with polylogarithmic convergence time. Theor. Comput. Sci. Yuichi Sudo, Fukuhito Ooshita, Hirotsugu Kakugawa, Toshimitsu Masuzawa, Ajoy K. Datta, Lawrence L. Larmore
2020	J	`jnl`	Move-optimal partial gathering of mobile agents without identifiers or global knowledge in asynchronous unidirectional rings. Theor. Comput. Sci. Masahiro Shibata, Norikazu Kawata, Yuichi Sudo, Fukuhito Ooshita, Hirotsugu Kakugawa, Toshimitsu Masuzawa
2020	B	`conf`	Self-Stabilizing Construction of a Minimal Weakly ST-Reachable Directed Acyclic Graph. SRDS Junya Nakamura, Masahiro Shibata, Yuichi Sudo, Yonghwan Kim
2020	J	`jnl`	Self-Stabilizing Construction of a Minimal Weakly ST-Reachable Directed Acyclic Graph. CoRR Junya Nakamura, Masahiro Shibata, Yuichi Sudo, Yonghwan Kim
2020	J	`jnl`	Self-stabilizing Graph Exploration by a Single Agent. CoRR Yuichi Sudo, Fukuhito Ooshita, Sayaka Kamei
2020	J	`jnl`	Self-stabilizing token distribution on trees with constant space. J. Parallel Distributed Comput. Yuichi Sudo, Ajoy K. Datta, Lawrence L. Larmore, Toshimitsu Masuzawa
2020	B	`conf`	The Power of Global Knowledge on Self-stabilizing Population Protocols. SIROCCO Yuichi Sudo, Masahiro Shibata, Junya Nakamura, Yonghwan Kim, Toshimitsu Masuzawa
2020	J	`jnl`	The Power of Global Knowledge on Self-stabilizing Population Protocols. CoRR Yuichi Sudo, Masahiro Shibata, Junya Nakamura, Yonghwan Kim, Toshimitsu Masuzawa
2020	J	`jnl`	Time-Optimal Leader Election in Population Protocols. IEEE Trans. Parallel Distributed Syst. Yuichi Sudo, Fukuhito Ooshita, Taisuke Izumi, Hirotsugu Kakugawa, Toshimitsu Masuzawa
2020	J	`jnl`	Time-Optimal Self-Stabilizing Leader Election on Rings in Population Protocols. CoRR Daisuke Yokota, Yuichi Sudo, Toshimitsu Masuzawa
2020	C	`conf`	Time-Optimal Self-stabilizing Leader Election on Rings in Population Protocols. SSS Daisuke Yokota, Yuichi Sudo, Toshimitsu Masuzawa
2020	J	`jnl`	Time-optimal Loosely-stabilizing Leader Election in Population Protocols. CoRR Yuichi Sudo, Ryota Eguchi, Taisuke Izumi, Toshimitsu Masuzawa
2020	C	`conf`	Uniform Deployment of Mobile Agents in Dynamic Rings. SSS Masahiro Shibata, Yuichi Sudo, Junya Nakamura, Yonghwan Kim
2019	A	`conf`	A Population Protocol Model with Interaction Probability Considering Speeds of Agents. ICDCS Ryoya Sadano, Yuichi Sudo, Hirotsugu Kakugawa, Toshimitsu Masuzawa
2019	A	`conf`	A Self-Stabilizing Algorithm for Constructing ST-Reachable Directed Acyclic Graph When lS\| ≤ 2 and \|T\| ≤ 2. ICDCS Yonghwan Kim, Masahiro Shibata, Yuichi Sudo, Junya Nakamura, Yoshiaki Katayama, Toshimitsu Masuzawa
2019	J	`jnl`	A Self-Stabilizing Minimal k-Grouping Algorithm. CoRR Ajoy K. Datta, Lawrence L. Larmore, Toshimitsu Masuzawa, Yuichi Sudo
2019	C	`conf`	A Self-stabilizing 1-Maximal Independent Set Algorithm. SSS Hideyuki Tanaka, Yuichi Sudo, Hirotsugu Kakugawa, Toshimitsu Masuzawa, Ajoy K. Datta
2019	B	`conf`	A Strongly-Stabilizing Protocol for Spanning Tree Construction Against a Mobile Byzantine Fault. SIROCCO Koki Inoue, Yuichi Sudo, Hirotsugu Kakugawa, Toshimitsu Masuzawa
2019	C	`conf`	Atomic Cross-Chain Swaps with Improved Space and Local Time Complexity. SSS Soichiro Imoto, Yuichi Sudo, Hirotsugu Kakugawa, Toshimitsu Masuzawa
2019	J	`jnl`	Atomic Cross-Chain Swaps with Improved Space and Time Complexity. CoRR Soichiro Imoto, Yuichi Sudo, Hirotsugu Kakugawa, Toshimitsu Masuzawa
2019	C	`conf`	Brief Announcement: Self-stabilizing Construction of a Minimal Weakly SSS Junya Nakamura, Masahiro Shibata, Yuichi Sudo, Yonghwan Kim
2019	J	`jnl`	Energy Balancing by Wireless Energy Transfer in Sensor Networks. Int. J. Netw. Comput. Hiroshi Michizu, Yuichi Sudo, Hirotsugu Kakugawa, Toshimitsu Masuzawa
2019	C	`conf`	Exploration of Dynamic Ring Networks by a Single Agent with the H-hops and S-time Steps View. SSS Tsuyoshi Gotoh, Yuichi Sudo, Fukuhito Ooshita, Toshimitsu Masuzawa
2019	C	`conf`	Improved-Zigzag: An Improved Local-Information-Based Self-optimizing Routing Algorithm in Virtual Grid Networks. SSS Yonghwan Kim, Masahiro Shibata, Yuichi Sudo, Junya Nakamura, Yoshiaki Katayama, Toshimitsu Masuzawa
2019	J	`jnl`	Leader Election Requires Logarithmic Time in Population Protocols. CoRR Yuichi Sudo, Toshimitsu Masuzawa
2019	A*	`conf`	Logarithmic Expected-Time Leader Election in Population Protocol Model. PODC Yuichi Sudo, Fukuhito Ooshita, Taisuke Izumi, Hirotsugu Kakugawa, Toshimitsu Masuzawa
2019	C	`conf`	Logarithmic Expected-Time Leader Election in Population Protocol Model. SSS Yuichi Sudo, Fukuhito Ooshita, Taisuke Izumi, Hirotsugu Kakugawa, Toshimitsu Masuzawa
2019	J	`jnl`	Loosely-Stabilizing Leader Election for Arbitrary Graphs in Population Protocol Model. IEEE Trans. Parallel Distributed Syst. Yuichi Sudo, Fukuhito Ooshita, Hirotsugu Kakugawa, Toshimitsu Masuzawa, Ajoy K. Datta, Lawrence L. Larmore
2019	B	`conf`	Partial Gathering of Mobile Agents Without Identifiers or Global Knowledge in Asynchronous Unidirectional Rings. SIROCCO Masahiro Shibata, Norikazu Kawata, Yuichi Sudo, Fukuhito Ooshita, Hirotsugu Kakugawa, Toshimitsu Masuzawa
2018	A	`conf`	Brief Announcement: Loosely-stabilizing Leader Election with Polylogarithmic Convergence Time. DISC Yuichi Sudo, Fukuhito Ooshita, Hirotsugu Kakugawa, Toshimitsu Masuzawa
2018	J	`jnl`	Constant Space Self-stabilizing Center Finding Algorithms in Chains and Trees. Parallel Process. Lett. Yuichi Sudo, Ajoy K. Datta, Lawrence L. Larmore, Toshimitsu Masuzawa
2018	B	`conf`	Constant-Space Self-stabilizing Token Distribution in Trees. SIROCCO Yuichi Sudo, Ajoy K. Datta, Lawrence L. Larmore, Toshimitsu Masuzawa
2018	—	`conf`	Energy Balancing by Wireless Energy Transfer in Sensor Networks. CANDAR Workshops Hiroshi Michizu, Yuichi Sudo, Hirotsugu Kakugawa, Toshimitsu Masuzawa
2018	A	`conf`	Group Exploration of Dynamic Tori. ICDCS Tsuyoshi Gotoh, Yuichi Sudo, Fukuhito Ooshita, Hirotsugu Kakugawa, Toshimitsu Masuzawa
2018	J	`jnl`	Logarithmic Expected-Time Leader Election in Population Protocol Model. CoRR Yuichi Sudo, Fukuhito Ooshita, Taisuke Izumi, Hirotsugu Kakugawa, Toshimitsu Masuzawa
2018	B	`conf`	Loosely-Stabilizing Leader Election with Polylogarithmic Convergence Time. OPODIS Yuichi Sudo, Fukuhito Ooshita, Hirotsugu Kakugawa, Toshimitsu Masuzawa, Ajoy K. Datta, Lawrence L. Larmore
2018	B	`conf`	Self-Stabilizing Token Distribution with Constant-Space for Trees. OPODIS Yuichi Sudo, Ajoy K. Datta, Lawrence L. Larmore, Toshimitsu Masuzawa
2017	Misc	`conf`	A Self-Stabilizing Minimal k-Grouping Algorithm. ICDCN Ajoy K. Datta, Lawrence L. Larmore, Toshimitsu Masuzawa, Yuichi Sudo
2017	C	`conf`	Brief Announcement: Reduced Space Self-stabilizing Center Finding Algorithms in Chains and Trees. SSS Yuichi Sudo, Ajoy K. Datta, Lawrence L. Larmore, Toshimitsu Masuzawa
2016	A	`conf`	The Same Speed Timer in Population Protocols. ICDCS Yuichi Sudo, Toshimitsu Masuzawa, Ajoy Kumar Datta, Lawrence L. Larmore
2015	J	`jnl`	A Single Agent Exploration in Unknown Undirected Graphs with Whiteboards. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. Yuichi Sudo, Daisuke Baba, Junya Nakamura, Fukuhito Ooshita, Hirotsugu Kakugawa, Toshimitsu Masuzawa
2015	B	`conf`	Loosely-Stabilizing Leader Election on Arbitrary Graphs in Population Protocols Without Identifiers nor Random Numbers. OPODIS Yuichi Sudo, Fukuhito Ooshita, Hirotsugu Kakugawa, Toshimitsu Masuzawa
2015	J	`jnl`	Pseudo Polynomial Time Algorithms for Optimal Longcut Route Selection. IEICE Trans. Inf. Syst. Yuichi Sudo, Toshimitsu Masuzawa, Gen Motoyoshi, Tutomu Murase
2014	B	`conf`	Loosely-Stabilizing Leader Election on Arbitrary Graphs in Population Protocols. OPODIS Yuichi Sudo, Fukuhito Ooshita, Hirotsugu Kakugawa, Toshimitsu Masuzawa
2013	C	`conf`	Cost reduction evaluation of sharing backup servers in inter-cloud. APCC Bo Hu, Yuichi Sudo, Kunio Hato, Yuichi Murata, Junichi Murayama
2012	J	`jnl`	Loosely-stabilizing leader election in a population protocol model. Theor. Comput. Sci. Yuichi Sudo, Junya Nakamura, Yukiko Yamauchi, Fukuhito Ooshita, Hirotsugu Kakugawa, Toshimitsu Masuzawa
2011	—	`conf`	Advantages of Optimal Longcut Route for Wireless Mobile Users. ICC Gen Motoyoshi, Yuichi Sudo, Tutomu Murase, Toshimitsu Masuzawa
2010	—	`conf`	An agent exploration in unknown undirected graphs with whiteboards. WRAS Yuichi Sudo, Daisuke Baba, Junya Nakamura, Fukuhito Ooshita, Hirotsugu Kakugawa, Toshimitsu Masuzawa
2009	B	`conf`	Loosely-Stabilizing Leader Election in Population Protocol Model. SIROCCO Yuichi Sudo, Junya Nakamura, Yukiko Yamauchi, Fukuhito Ooshita, Hirotsugu Kakugawa, Toshimitsu Masuzawa