Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8051284 | Encryption communications system | Toshihisa Nakano, Makoto Tatebayashi | 2011-11-01 |
| 7404076 | Encrypted data delivery system | Toshihisa Nakano, Makoto Tatebayashi | 2008-07-22 |
| 6028937 | Communication device which performs two-way encryption authentication in challenge response format | Makoto Tatebayashi, Natsume Matsuzaki, Syunji Harada, Masayuki Kozuka, Kazuhiko Yamauchi | 2000-02-22 |
| 5825885 | Bit agitator | Atsuko Miyaji, Makoto Tatebayashi | 1998-10-20 |
| 5790667 | Personal authentication method | Makoto Tatebayashi, Natsume Matsuzaki | 1998-08-04 |
| 5751810 | Bit agitator | Atsuko Miyaji, Makoto Tatebayashi | 1998-05-12 |