Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE36738 | Selective multiple position switch with common pivoted operator | Hiroshi Matsumiya | 2000-06-20 |
| RE36349 | Control-key mechanism having improved operation feeling | Hiroshi Matsumiya | 1999-10-26 |
| 5525770 | Control-key mechanism having improved operation feeling | Hiroshi Matsumiya | 1996-06-11 |
| 5396030 | Selective multiple position switch with common pivoted operator | Hiroshi Matsumiya | 1995-03-07 |