Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12253360 | Fiber optic gyroscope | Takashi Nakahara, Taro Miyama | 2025-03-18 |
| 7190462 | Fiber optic gyroscope having optical integrated circuit, depolarizer and fiber optic coil | Ryuji Usui | 2007-03-13 |
| 6990269 | Fiber optic gyroscope | Ryuji Usui | 2006-01-24 |
| 6831749 | Sagnac interferometer current sensor | Ryuji Usui, Kiyohisa Terai, Masao Takahashi, Kinichi Sasaki | 2004-12-14 |
| 5187757 | Fiber optic gyro | Shinji Motohara, Kazuo Hotate | 1993-02-16 |
| 5136667 | Fiber optic gyro | Shinji Motohara | 1992-08-04 |
| 5085501 | Fiber optic gyroscope using optical waveguide couplers | Kazuhiro Sakuma, Eiichi Asami, Ryoji Kaku | 1992-02-04 |
| 4928894 | Coil winding machine and coil winding method using the same | Kanji Shitara, Masakazu Harashima | 1990-05-29 |