Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5363507 | Method and system for storing and retrieving collaboratively processed information by associated identification data | Yoshiyuki Nakayama, Tadashi Yamamitsu | 1994-11-08 |
| 5353398 | Group working system having operator discriminating function | Chiho Kitahara, Takeshi Ishizaki, Yoshiyuki Nakayama, Tadashi Yamamitsu, Masami Kameda | 1994-10-04 |
| 5280583 | System and method for performing interlocution at a plurality of terminals connected to communication network | Yoshiyuki Nakayama, Kazuo Takaragi, Singi Domen | 1994-01-18 |