Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4338014 | Electromagnetically driven shutter | Syozo Yoshida | 1982-07-06 |
| 4316662 | Brake device for shutter | Teiji Hashimoto, Nobuo Tezuka | 1982-02-23 |
YT
Yoichi Tosaka
Overall (1982): #5,889 of 81,411Top 8%
2
Patents 1982