Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4905082 | Rigid video endoscope having a detachable imaging unit | Shinichi Nishigaki, Takeaki Nakamura, Minoru Okabe, Hitoshi Karasawa, Hiroyuki Kusnoki +4 more | 1990-02-27 |
| 4867138 | Rigid electronic endoscope | Takeaki Nakamura, Minoru Okabe, Hitoshi Karasawa, Hiroyuki Kusunoki, Tadao Hagino +4 more | 1989-09-19 |
| 4867141 | Medical treatment apparatus utilizing ultrasonic wave | Akio Nakada, Syuichi Takayama, Tatsuya Kubota, Koji Taguchi, Shinichi Imade +1 more | 1989-09-19 |
| 4726370 | Resectoscope device | Hitoshi Karasawa | 1988-02-23 |
| 4538610 | Resectoscope | — | 1985-09-03 |
| 4356826 | Stabbing apparatus for diagnosis of living body | — | 1982-11-02 |
| 4351587 | Apparatus for positioning eyepiece of endoscope | Kazumasa Matsuo | 1982-09-28 |
| 4350150 | Structure of a light-receiving end portion of an endoscope light guide | Kenji Koyata | 1982-09-21 |
| 4319563 | Endoscope with a smoothly curved distal end face | — | 1982-03-16 |
| 4299230 | Stabbing apparatus for diagnosis of living body | — | 1981-11-10 |