Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6816300 | Optical apparatus | Tetsuya Iishi, Yohei Hanaki | 2004-11-09 |
| 6673146 | Method of manufacturing a magnet-free faraday rotator | Norio Takeda | 2004-01-06 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6816300 | Optical apparatus | Tetsuya Iishi, Yohei Hanaki | 2004-11-09 |
| 6673146 | Method of manufacturing a magnet-free faraday rotator | Norio Takeda | 2004-01-06 |