Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6472800 | Filter substrate and display device | Takuji Goda, Katsuya Kamisaku | 2002-10-29 |
| 4973129 | Optical fiber element | Takashi Fukuzawa, Yoshihiko Hayashi, Takashi Kishimoto, Yoichi Furuse | 1990-11-27 |