Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5852511 | Optical system for non-flexible endoscopes | Tsutomu Igarashi | 1998-12-22 |
| 5836869 | Image tracking endoscope system | Masahiro Kudo, Kuniaki Kami, Hiroki Hibino, Hitoshi Mizuno, Akihiro Horii +1 more | 1998-11-17 |
| 5632718 | Non-flexible endoscope with objective lens system and relay lens system | Tsutomu Igarashi | 1997-05-27 |