Issued Patents 1994
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5351294 | Limited broadcast system | Hiroshi Matsumoto, Yasuko Fukuzawa | 1994-09-27 |
| 5315634 | Automatic trading method and apparatus | Kazuaki Tanaka, Takeshi Matsuki | 1994-05-24 |
| 5309516 | Group cipher communication method and group cipher communication system | Seiichi Susaki, Hiroshi Matsumoto, Tsutomu Nakamura | 1994-05-03 |
| 5280583 | System and method for performing interlocution at a plurality of terminals connected to communication network | Yoshiyuki Nakayama, Kenjiro Mori, Singi Domen | 1994-01-18 |