Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4907265 | Telephone set with a mechanism for preventing unwanted displacements | Tsuneo Tomita, Hiroshi Morikawa | 1990-03-06 |
| 4782526 | Telephone set | Tsuneo Tomita, Hiroshi Morikawa | 1988-11-01 |
| 4476354 | Telephone device | Hisashi Miyajima | 1984-10-09 |