Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5361382 | Method of connecting optical waveguide and optical fiber | Shirou Nakamura, Takeo Shimizu, Hisaharu Yanagawa, Toshihiko Ohta, Takashi Shigematsu +1 more | 1994-11-01 |
| 4958897 | Thin film optical component for use in optical transmission lines and method of manufacturing the same | Hisaharu Yanagawa, Hirokazu Hayakawa, Hidehisa Miyazawa | 1990-09-25 |
| 4909590 | Method and apparatus for switching optical connector | Kazuo Kamiko, Shizuka Yamaguchi, Isamu Kinoshita, Koji Sasaki, Kazuhiro Miyazawa +3 more | 1990-03-20 |
| 4900118 | Multiple-fiber optical component and method for manufacturing of the same | Hisaharu Yanagawa, Hirokazu Hayakawa, Mikio Ogai, Hidehisa Miyazawa | 1990-02-13 |
| 4886335 | Optical fiber switch system | Hisaharu Yanagawa, Hidehisa Miyazawa, Shizuka Yamaguchi, Tsuyoshi Fumeno, Hiroshi Raijo +1 more | 1989-12-12 |