Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7110548 | Cryptographic communication method, encryption algorithm shared control method, encryption algorithm conversion method and network communication system | Hirokazu Ougi, Hideo Takashima, Hidenobu Taniguchi, Munetoshi Kouchi, Hajime Asada +1 more | 2006-09-19 |
| 4874580 | Pressure-controlling method | Ko Sugisawa, Yasushi Matsumura, Hidefumi Okamoto | 1989-10-17 |