Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857987 | Semiconductor device | Setsuo Ogura, Kazuyuki Kamegaki, Hideo Miyazaki, Yukinori Kitamura, Shirou Mayuzumi | 1989-08-15 |
| 4841484 | Tri-state IIL gate | Kazuo Watanabe, Makoto Furihata | 1989-06-20 |
| 4799732 | Chair seat inclining and moving device | — | 1989-01-24 |