Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883034 | Engine idling speed control system | Seiji Yashiki, Kazutomo Sasaki | 1989-11-28 |
| 4816501 | Heat-sensitive color developable composition | Tomohiko Nomura, Hitoshi Shimizu, Hiroshi Inoue, Yoshimi Ishizuka | 1989-03-28 |
| 4813326 | Method and apparatus for synthesizing music tones with high harmonic content | Kazuhisa Okamura | 1989-03-21 |