Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5345329 | Polarization-independent optical isolator | Kazushi Shirai, Norio Takeda, Mitsuzo Arii | 1994-09-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5345329 | Polarization-independent optical isolator | Kazushi Shirai, Norio Takeda, Mitsuzo Arii | 1994-09-06 |