Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871245 | Surgical microscope | Tomonori Ishikawa, Toshiyuki Tsunoda, Hiroshi Fujiwara | 1989-10-03 |
| 4815832 | Tilting device for surgical microscopes | Takashi Nagano | 1989-03-28 |
| 4807989 | Surgical microscope system | Takashi Nagano, Toshiyuki Tsunoda | 1989-02-28 |
| 4802749 | Surgical microscope | Takayoshi Togino, Hiroshi Fujiwara, Yutaka Takabayashi, Takashi Nagano, Kazuyuki Minami +1 more | 1989-02-07 |