Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5239171 | Photographing apparatus balancing brightness for microscopes | Hiromi Utsunomiya, Takashi Nagano, Jitsunari Kojima | 1993-08-24 |
| 4802749 | Surgical microscope | Takayoshi Togino, Hiroshi Fujiwara, Takashi Nagano, Takashi Fukaya, Kazuyuki Minami +1 more | 1989-02-07 |
| 4763968 | Surgical microscope | Kazuyuki Minami, Takashi Nagano, Hiroshi Fujiwara, Takashi Fukaya, Takayoshi Togino | 1988-08-16 |
| 4368947 | Turret condenser for microscopes | Makoto Yoshinaga | 1983-01-18 |
| 4235509 | Electrically driven optical instrument with manual drive | — | 1980-11-25 |