Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5319485 | Wavelength-assignable optical communication system | Aritomo Uemura | 1994-06-07 |
| 4571721 | Composite concentration system | Shizuo Ito, Akira Horiki, Hajime Yamada, Takashi Usami | 1986-02-18 |