Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4728944 | Coordinate position digitizing system | Hideshi Tamaru, Kunio Shikakura, Akio Sakano, Nobuo Kitamura | 1988-03-01 |
| 4723056 | Coordinate position digitizing system | Hideshi Tamaru, Hiroshi Benno, Kaoru Tomono, Akio Sakano | 1988-02-02 |
| 4571454 | Coordinate position digitizing system | Hideshi Tamaru, Kunio Shikakura, Nobuo Kitamura, Akio Sakano | 1986-02-18 |
| 4368528 | Pickup cartridge | Akio Sakano, Kunio Shikakura, Hideshi Tamaru | 1983-01-11 |