Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D353389 | 35 mm camera | — | 1994-12-13 |
| D350554 | 35 mm camera | — | 1994-09-13 |
| D339366 | 35 mm camera | — | 1993-09-14 |
| D295527 | Camera | Koichi Soda, Tetsuya Goto | 1988-05-03 |
YS
Yoichi Shirai
Pentax: 2 patents #412 of 761Top 55%
Asahi Kogaku Kogyo K.K.: 1 patents #76 of 180Top 45%
Overall (All Time): #1,295,020 of 4,157,543Top 35%
4
Patents All Time