Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE32977 | Key-holding structure of keyboard with curved operating surface of keys | Hideo Gotoh, Makoto Suzuki | 1989-07-04 |
| 4760217 | Keyboard having lower casing with integral upraised portion for supporting PC board, and key switch having air vent in PC board | Makoto Suzuki, Mitsumasa Kako | 1988-07-26 |
| 4528428 | Key-holding structure of keyboard with curved operating surface of keys | Hideo Gotoh, Makoto Suzuki | 1985-07-09 |
| RE30435 | Keyboard switch arrangement and key switch useable therein | — | 1980-11-11 |