Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5694496 | Optical waveplate and A method of manufacturing the optical waveplate | Takashi Sawada, Yasuyuki Inoue | 1997-12-02 |
| 5598501 | Polyimide optical waveguide and method of manufacturing the same | Yasuko Maruo, Shigekuni Sasaki, Toshiaki Tamamura, Tohru Matsuura, Shinsuke Matsui +1 more | 1997-01-28 |