Kenji Koyama

25 papers A* 9A 1B 4Journal 5Unranked 6
YearRankTypeTitle / Venue / Authors
2012 — conf
The changes in Japanese researchers' usage and perception of electronic resources: Result of SCREAL Survey 2011.
ASIST
Yoshinori Sato, Shinji Mine, Hiroshi Itsumura, Syun Tutiya, Kenji Koyama, Keiko Kurata, Hiroya Takeuchi
2005 J jnl
Acute triangles in triangulations on the plane with minimum degree at least 4.
Discret. Math.
Kenji Koyama, Atsuhiro Nakamoto
2005 B conf
Predictive rate control for realtime video streaming with network triggered handover.
WCNC
Susumu Ishihara, Kenji Koyama, Goh Miyamoto, Masahiro Kuroda
2000 J jnl
On searching for solutions of the Diophantine equation x
Math. Comput.
Kenji Koyama
1999 A conf
Modulus Search for Elliptic Curve Cryptosystems.
ASIACRYPT
Kenji Koyama, Yukio Tsuruoka, Noboru Kunihiro
1999 J jnl
Nonexistence conditions of a solution for the congruence x1
Math. Comput.
Hiroshi Sekigawa, Kenji Koyama
1998 A* conf
Equivalence of Counting the Number of Points on Elliptic Curve over the Ring Z
EUROCRYPT
Noboru Kunihiro, Kenji Koyama
1998 B conf
Temporal Differences in Eye and Mouth Movements Classifying Facial Expressions of Smiles.
FG
Shuichi Nishio, Kenji Koyama, Toru Nakamura
1997 — conf
An Augmented Family of Cryptographic Parity Circuits.
ISW
Kenji Koyama, Routo Terada
1997 J jnl
On searching for solutions of the Diophantine equation x
Math. Comput.
Kenji Koyama, Yukio Tsuruoka, Hiroshi Sekigawa
1995 A* conf
Fast RSA-type Schemes Based on Singular Cubic Curves y
EUROCRYPT
Kenji Koyama
1992 A* conf
Secure Conference Key Distribution Schemes for Conspiracy Attack.
EUROCRYPT
Kenji Koyama
1992 A* conf
Speeding up Elliptic Cryptosystems by Using a Signed Binary Window Method.
CRYPTO
Kenji Koyama, Yukio Tsuruoka
1991 B conf
A knowledge transfer model: From zero-knowledge to full-knowledge.
ALT
Yasuyuki Tsukada, Kenji Koyama
1991 B conf
An interactive knowledge transfer model and analysis of "Mastermind" game.
ALT
Kenji Koyama, Tony W. Lai
1991 A* conf
New Public-Key Schemes Based on Elliptic Curves over the Ring Z
CRYPTO
Kenji Koyama, Ueli M. Maurer, Tatsuaki Okamoto, Scott A. Vanstone
1990 — conf
Demonstrating Possession without Revealing Factors and its Application.
AUSCRYPT
Hiroki Shizuya, Kenji Koyama, Toshiya Itoh
1990 — conf
Direct Demonstration of the Power to Break Public-Key Cryptosystems.
AUSCRYPT
Kenji Koyama
1990 J jnl
Identity-based conference key distribution systems.
Syst. Comput. Jpn.
Kenji Koyama, Kazuo Ohta
1990 — conf
Meet-in-the-Middle Attack on Digital Signature Schemes.
AUSCRYPT
Kazuo Ohta, Kenji Koyama
1990 A* conf
Membership Authentication for Hierarchical Multigroups Using the Extended Fiat-Shamir Scheme.
EUROCRYPT
Kazuo Ohta, Tatsuaki Okamoto, Kenji Koyama
1990 A* conf
Nonlinear Parity Circuits and their Cryptographic Applications.
CRYPTO
Kenji Koyama, Routo Terada
1988 A* conf
Security of Improved Identity-Based Conference Key Distribution Systems.
EUROCRYPT
Kenji Koyama, Kazuo Ohta
1987 A* conf
Identity-based Conference Key Distribution Systems.
CRYPTO
Kenji Koyama, Kazuo Ohta
1980 — conf
An operating system kernel mechanism for the poly-processor system PPS-R.
AFIPS National Computer Conference
Makoto Amamiya, Naohisa Takahashi, Yutaka Ogawa, Kenji Koyama