Issued Patents 1989
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887503 | Automatic accompaniment apparatus for electronic musical instrument | — | 1989-12-19 |
| 4879886 | Circular knitting machine | Toshihiko Okada, Toshifumi Yagi | 1989-11-14 |
| 4879466 | Semiconductor radiation detector | Hiroshi Kitaguchi, Shigeru Izumi | 1989-11-07 |
| 4875837 | Two-flow-passage type exhaust gas driven turbo-charger | Saburo Usami, Kyoichi Uchiyama | 1989-10-24 |
| 4862783 | Tone control device for an electronic musical instrument | — | 1989-09-05 |
| 4843537 | Control system | Setsuo Arita, Shunsuke Utena, Fumio Murata, Atomi Noguchi, Shigeru Izumi +1 more | 1989-06-27 |
| 4819382 | Weather strip for automobile | Kiyoshi Shigeki | 1989-04-11 |
| 4798984 | Electric motor with earth plate press fitted to motor casing | Ryoichi Someya | 1989-01-17 |