Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5001659 | Structure for connecting a rotatable body to a stationary body | — | 1991-03-19 |
| D312822 | Portable computer | Toyoshi Watanabe, Masatoshi Iwamoto, Toru Ichihashi | 1990-12-11 |
| 4760659 | Display plate for a printed circuit board | — | 1988-08-02 |