Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4784144 | Optical fiber image sensor | Koichi Tsuno, Mitsuru Nishikawa | 1988-11-15 |
| 4776667 | Image transmission line | Kenichi Yoshida, Koichi Tsuno | 1988-10-11 |
| 4770163 | Fiberscope | Koichi Tsuno | 1988-09-13 |
| 4681093 | Endoscope | Akira Nishimura | 1987-07-21 |
| 4616258 | Device for monitoring the interior of a conduit | Yoshikazu Nishiwaki, Koichi Tsuno, Toru Iwai, Mitsuru Nishikawa | 1986-10-07 |
| 4593973 | Composite optical fiber and imaging catheter and method for producing the same | Kenichi Yoshida, Koichi Tsuno | 1986-06-10 |
| 4586795 | Waveguide for laser beams | Shinya Takenaka, Katsuyoshi Sunago | 1986-05-06 |
| 4571023 | Device for observing pictures | — | 1986-02-18 |
| 4557598 | Apparatus for checking the internal surface of a pipe or the like | Koichi Tsuno | 1985-12-10 |
| 4548505 | Sensor for spectral analyzer for living tissues | — | 1985-10-22 |
| 4547072 | Optical fiber gyro | Kenichi Yoshida, Takashi Yokohara, Yoshikazu Nishiwaki, Koichi Tsuno | 1985-10-15 |
| 4513751 | Method for measuring oxygen metabolism in internal organ or tissue | Hiroshi Abe, Nobuhiro Sato, Kazuo Hirano | 1985-04-30 |
| 4494823 | Optical connector system | Kenichi Yoshida, Tomio Iwamoto | 1985-01-22 |
| 4444462 | Picture image observation system | Yoshikazu Nishiwaki, Koichi Tsuno, Tohru Iwai, Mitsuru Nishikawa | 1984-04-24 |
| 4429392 | Laser output controlling device | Kenichi Yoshida, Katsuyoshi Sunago, Shinya Takenaka, Tohru Iwai | 1984-01-31 |