Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5665946 | Combined-operation type switching apparatus including rotational and push operators | Takashi Asakawa, Shuichi Matsumoto | 1997-09-09 |
| 5621196 | Rotary operation switch and multidirection input apparatus | Takashi Asagawa | 1997-04-15 |