Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5339799 | Medical system for reproducing a state of contact of the treatment section in the operation unit | Kuniaki Kami, Hideyuki Adachi, Koichi Umeyama, Yoshihiro Kosaka, Seiji Yamaguchi +6 more | 1994-08-23 |
| 5227914 | Stereomicroscope including a single variable magnification optical system | Toyoharu Hanzawa, Tomonori Ishikawa, Shinichi Nakamura, Hiroshi Fujiwara, Masahiko Kinukawa +5 more | 1993-07-13 |
| 5122904 | Operating microscope with drape and suction means for removing air from the drape | Hiroshi Fujiwara, Masami Hamada, Shigeo Tokunaga, Masahiko Kinukawa, Tomonori Ishikawa +3 more | 1992-06-16 |
| 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 |
| 4763968 | Surgical microscope | Kazuyuki Minami, Takashi Nagano, Hiroshi Fujiwara, Yutaka Takabayashi, Takayoshi Togino | 1988-08-16 |