Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5673108 | Light return loss measurement system and method | — | 1997-09-30 |
| 5581389 | Light frequency control apparatus | Tekken Lee, Haruyoshi Uchiyama, Kaoru Shimizu, Tsuneo Horiguchi, Yahei Koyamada | 1996-12-03 |
| 5500762 | Light frequency control apparatus | Haruyoshi Uchiyama, Tekken Lee, Kaoru Shimizu, Tsuneo Horiguchi, Yahei Koyamada | 1996-03-19 |
| 5493110 | Light frequency synthesizer | Tekken Lee, Haruyoshi Uchiyama, Kaoru Shimizu, Tsuneo Horiguchi | 1996-02-20 |
| 5438578 | Light-frequency control apparatus | Tekken Lee, Haruyoshi Uchiyama, Kaoru Shimizu, Tsuneo Horiguchi | 1995-08-01 |
| 5394235 | Apparatus for measuring distortion position of optical fiber | Tekken Lee, Kaoru Shimizu, Tsuneo Horiguchi | 1995-02-28 |