Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9841608 | Inner focus lens | — | 2017-12-12 |
| 9678305 | Inner focus lens | — | 2017-06-13 |
| 9645353 | Optical system and image pickup apparatus | Hisayuki Yamanaka, Keisuke Okada, Yoshito Iwasawa | 2017-05-09 |
| 8908297 | Fixed focus lens | Nobuyuki Adachi, Yasuhiko Obikane | 2014-12-09 |
| 8605363 | Internal focusing lens | Masaharu Hosoi | 2013-12-10 |
| 8587879 | Fixed focus lens | Nobuyuki Adachi, Yasuhiko Obikane | 2013-11-19 |