Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5860030 | Lens barrel | Ryuzo Ohta | 1999-01-12 |
| 5377048 | Lens barrel | Eiji Ohshima | 1994-12-27 |
| 5315889 | Iris drive mechanism | Shuuji Moro, Yasuo Nishida, Eiji Ohshima | 1994-05-31 |
| 4746993 | Electronic still camera with indicator for number of tracks available for video and/or audio recording | — | 1988-05-24 |