Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10627202 | Step gauge | Tatsuya Narumi, Kentaro Yano | 2020-04-21 |
| 10090921 | Light modulation device and light modulation method | Mikio Yoneyama, Hiroto Kawakami, Takashi Ono, Tomoyoshi Kataoka, Katsuya Tanaka +2 more | 2018-10-02 |
| 7542631 | Optical transmission system | Kazushige Yonenaga, Yutaka Miyamoto | 2009-06-02 |
| 7536112 | Optical transmission system | Kazushige Yonenaga, Yutaka Miyamoto | 2009-05-19 |
| 6983085 | Optical transmission circuit | Tomoyoshi Kataoka, Akira Hirano | 2006-01-03 |
| 6865348 | Optical transmission method, optical transmitter, optical receiver, and optical transmission system | Yutaka Miyamoto, Akira Hirano, Kazushige Yonenaga, Kenji Sato, Hiromu Toba | 2005-03-08 |