Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5274283 | Compound semiconductor integrated circuit device | Gaku Ishii | 1993-12-28 |
| 4637594 | Leaf spring construction | Tsutomu Saito, Kazuo Yoshikawa, Shigetsune Aoyama | 1987-01-20 |
| 4512559 | Leaf spring construction | Shigetsune Aoyama, Kazuo Yoshikawa, Junichi Higuchi | 1985-04-23 |
| 4343167 | Roller-dies-processing method and apparatus | Osamu Furuta, Jouji Shinta, Hideo Nakamura | 1982-08-10 |
| 4283930 | Roller-dies-processing method and apparatus | Osamu Furuta, Jouji Shinta, Hideo Nakamura | 1981-08-18 |
| 4248072 | Method of and apparatus for producing plate material having uniform width and lengthwise thickness variation | Osamu Furuta | 1981-02-03 |