Issued Patents 1989
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883529 | Circular tube shaping apparatus | Hiroshi Nishimura | 1989-11-28 |
| 4881044 | Amplifying circuit | Taizo Kinoshita, Hirotoshi Tanaka, Nobuo Kotera, Minoru Nagata | 1989-11-14 |
| 4857769 | Threshold voltage fluctuation compensation circuit for FETS | Nobuo Kotera, Kiichi Yamashita, Taizo Kinoshita, Hirotoshi Tanaka, Minoru Nagata | 1989-08-15 |
| 4847550 | Semiconductor circuit | Hirotoshi Tanaka, Taizo Kinoshita, Nobuo Kotera, Minoru Nagata, Kiichi Yamashita +1 more | 1989-07-11 |
| 4825145 | Constant current circuit | Hirotoshi Tanaka, Taizo Kinoshita, Nobuo Kotera, Minoru Nagata | 1989-04-25 |
| 4806160 | Metallizing composition | Yoichi Hagiwara, Kenichi Shimizu | 1989-02-21 |