Issued Patents 1997
Showing 1–2 of 2 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, Hiroshi Kajioka, Osamu Kobayashi, Shigeru Oho, Hisao Sonobe | 1997-12-23 |
| 5608525 | Phase adjustable optical fiber gyro using both even order harmonics and an orthogonal component of an even-order harmonic | Tatsuya Kumagai, Keiji Abe, Hiroshi Kajioka, Hisao Sonobe, Shigeru Oho | 1997-03-04 |