| 2002 |
| 3 | EE | Ryôichi Sasaki,
Hiroshi Yoshiura,
Shinji Itoh:
Combinatorial Optimization of Countermeasures against Illegal Copying.
Security Protocols Workshop 2002: 128-144 |
| 2 | EE | Hiroshi Yoshiura,
Kunihiko Miyazaki,
Shinji Itoh,
Kazuo Takaragi,
Ryôichi Sasaki:
Legally Authorized and Unauthorized Digital Evidence.
Security Protocols Workshop 2002: 67-73 |
| 2001 |
| 1 | EE | Hiroshi Yoshiura,
Kunihiko Miyazaki,
Shinji Itoh,
Kazuo Takaragi,
Ryôichi Sasaki:
A Multi-OS Approach to Trusted Computer Systems.
Security Protocols Workshop 2001: 107-114 |