Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5546483 | Integrated optical waveguide circuit and optical branch line test system using the same | Yasuyuki Inoue, Masao Kawachi, Katsunari Okamoto, Norio Takato, Fumihiko Yamamoto +2 more | 1996-08-13 |
| 5387798 | UV-A, UV-B discrimination sensor | Nobuhiro Funakoshi, Fumihiro Ebisawa, Mitsutoshi Hoshino, Takashi Yoshida, Ken Sukegawa +3 more | 1995-02-07 |
| 4585722 | Optical recording media with thermal coloration and process for producing same | Shigeru Oikawa, Hirotsugu Sato | 1986-04-29 |
| 4373004 | Laser beam-recording media and method for manufacturing the same | Yoshihiro Asano, Kei Murase | 1983-02-08 |