Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4973129 | Optical fiber element | Takashi Fukuzawa, Yoshihiko Hayashi, Takashi Kishimoto, Sadao Kuzuwa | 1990-11-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4973129 | Optical fiber element | Takashi Fukuzawa, Yoshihiko Hayashi, Takashi Kishimoto, Sadao Kuzuwa | 1990-11-27 |