Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10775604 | Objective optical system for endoscope | — | 2020-09-15 |
| 7205354 | Resin-made mechanical element with excellent heat resistance and dimensional precision for optical disk drive | Hiroyuki Kobayashi, Yuuji Kusumi, Yukihiro Bann | 2007-04-17 |