Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5821482 | Keyboard switch having dustproof and droplet-proof push-button | Yasuo Ootani, Hiroshi Hasegawa | 1998-10-13 |
| 4563692 | Head and ribbon driving mechanism for thermal printer | Moriyasu Negita, Masatoshi Tokoro | 1986-01-07 |
| 4498256 | Item input device for a data processing system | Toshiaki Tanaka, Tatsuro Onuma, Ryohei Kinoshita | 1985-02-12 |