Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5581389 | Light frequency control apparatus | Nobunari Takeuchi, Haruyoshi Uchiyama, Kaoru Shimizu, Tsuneo Horiguchi, Yahei Koyamada | 1996-12-03 |
| 5500762 | Light frequency control apparatus | Haruyoshi Uchiyama, Nobunari Takeuchi, Kaoru Shimizu, Tsuneo Horiguchi, Yahei Koyamada | 1996-03-19 |
| 5493110 | Light frequency synthesizer | Nobunari Takeuchi, Haruyoshi Uchiyama, Kaoru Shimizu, Tsuneo Horiguchi | 1996-02-20 |
| 5438578 | Light-frequency control apparatus | Nobunari Takeuchi, Haruyoshi Uchiyama, Kaoru Shimizu, Tsuneo Horiguchi | 1995-08-01 |
| 5394235 | Apparatus for measuring distortion position of optical fiber | Nobunari Takeuchi, Kaoru Shimizu, Tsuneo Horiguchi | 1995-02-28 |