Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5101349 | Natural language processing system | Shogo Shibata, Koichi Masegi | 1992-03-31 |
| 4833471 | Data processing apparatus | Shigeo Tsujii, Kaoru Kurosawa | 1989-05-23 |
| 4546392 | Information recording and reproducing apparatus | Hideaki Sato | 1985-10-08 |