Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5422951 | Low profile telephone set | Katsumi Itoyama, Kouichiro Suda, Yoshio Fujinami | 1995-06-06 |
| 5303292 | Low profile telephone set | Katsumi Itoyama, Kouichiro Suda, Yoshio Fujinami | 1994-04-12 |
| 4924044 | Light emitting push button switch for an electronic apparatus | Koichiro Suda, Katumi Itoyama | 1990-05-08 |