Issued Patents 1989
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882311 | Heat-sensitive recording material | Ken Iwakura, Masanobu Takashima | 1989-11-21 |
| 4860676 | Waistband sew-in device | Hironao Kawai, Shigetoshi Fukui | 1989-08-29 |
| 4858435 | Fluid pressure control circuit for working vehicle having transmission operable by fluid pressure | — | 1989-08-22 |
| 4841535 | Semiconductor laser device | Yutaka Mihashi, Yutaka Nagai | 1989-06-20 |
| 4833510 | Semiconductor laser array with independently usable laser light emission regions formed in a single active layer | Yutaka Nagai, Yutaka Mihashi | 1989-05-23 |
| 4833121 | Heat-sensitive recording material | Akira Igarashi | 1989-05-23 |
| 4826807 | Heat-sensitive recording material | Akihiro Shimomura | 1989-05-02 |