Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6009174 | Secret key transfer method which is highly secure and can restrict the damage caused when the secret key is leaked or decoded | Makoto Tatebayashi, Motoji Ohmori, Naoki Endoh, Koichi Hirayama | 1999-12-28 |
| 5984174 | Method of printing bar codes on pieces to deliver, and method and system for encoding and decoding bar codes | Naoki Endoh | 1999-11-16 |