Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882614 | Multiplex signal processing apparatus | Sadashi Kageyama, Yoshio Abe, Yoshio Yasumoto, Shuji Inoue, Hitoshi Takai +3 more | 1989-11-21 |
| 4842312 | Door locking knob structure | Yukio Isomura | 1989-06-27 |
| 4834031 | Variable compression-ratio control device for an internal combustion engine | Kenji Katoh, Takao Naruoka | 1989-05-30 |
| 4830517 | Device for locking rotation of an eccentric bearing of a compression ratio changing device | Takao Naruoka | 1989-05-16 |
| 4821589 | Drive unit for wire-type window | Ryoichi Fukumoto, Daiichi Shiraishi | 1989-04-18 |