Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5701177 | Method for detecting fault of optical fiber gyro and apparatus for diagnosing fault of the same | Tatsuya Kumagai, Osamu Kobayashi, Munehiro Akiyama, Shigeru Oho, Hisao Sonobe | 1997-12-23 |
| 5677973 | Method of aligning optical fiber to optical fiber or optical fiber to optical element at junction and optical fiber array | Toshiya Yuhara, Hisao Iitsuka, Mamoru Ichimura, Tomohiro Murakami | 1997-10-14 |
| 5608525 | Phase adjustable optical fiber gyro using both even order harmonics and an orthogonal component of an even-order harmonic | Tatsuya Kumagai, Keiji Abe, Munehiro Akiyama, Hisao Sonobe, Shigeru Oho | 1997-03-04 |