Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11525998 | Endoscope objective lens unit and endoscope | Hiroaki Fujii | 2022-12-13 |
| 11487101 | Endoscope objective lens unit and endoscope | Hiroaki Fujii | 2022-11-01 |
| 10898061 | Endoscope magnification optical system, endoscope, and endoscope system | Hiroaki Fujii | 2021-01-26 |
| 10209506 | Light source optical system having tapered light guide rod | Hiroaki Fujii | 2019-02-19 |
| 10088666 | Endoscope and variable power optical system for the same | Hiroaki Fujii | 2018-10-02 |
| 8164839 | Endoscope and objective lens for the same | — | 2012-04-24 |
| 6683730 | Variable-focus lens system | Eijiroh Tada | 2004-01-27 |