Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4833467 | Data transmission system | Hiroshi Kobayashi, Katsunobu Hongo | 1989-05-23 |
| 4814741 | Digital remote control device | Katsunobu Hongo, Hiroshi Kobayashi, Daisuke Shichinohe | 1989-03-21 |