Issued Patents All Time
Showing 51–57 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4668052 | Optical switch having low cross-talk for wide range of wavelengths | — | 1987-05-26 |
| 4641926 | Polarizing element | — | 1987-02-10 |
| 4637027 | Laser light source device | Hirochika Nakajima, Yasuo Furukawa, Takefumi Inagaki | 1987-01-13 |
| 4609257 | Faraday rotator assembly | — | 1986-09-02 |
| 4548478 | Optical device | — | 1985-10-22 |
| 4392722 | Prism polarizer | — | 1983-07-12 |
| 4387953 | Optical waveguide device with phase matching layers | Takeshi Obokata | 1983-06-14 |