Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6910131 | Personal authentication system and portable unit and storage medium used therefor | Miki Yamada, Tomoaki Morijiri | 2005-06-21 |
| 6865877 | Compression feed for high humidity fuel gas | Michinobu Yoshida | 2005-03-15 |
| 6842523 | Encryption apparatus, cryptographic communication system, key recovery system, and storage medium | Akito Niwa, Shinichi Kawamura, Megumi Aoki, Tatsuya Ishihara, Fumihiko Sano +1 more | 2005-01-11 |
| 6085323 | Information processing system having function of securely protecting confidential information | Hideo Shimizu, Satomi Hori, Naoki Endoh | 2000-07-04 |