Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D303346 | Cordless hand-held cutter | — | 1989-09-12 |
| D301830 | Electric grinder | Juro Kobayashi | 1989-06-27 |
| 4812839 | System for controlling network activation sequence | Sumie Okada, Takashi Nara, Takashi Hatano, Yutaka Kawato, Ryoji Shimozono +2 more | 1989-03-14 |