Issued Patents 1997
Showing 1–4 of 4 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, Munehiro Akiyama, Hisao Sonobe | 1997-12-23 |
| 5693936 | Physical quantity detecting apparatus and internal combustion engine control apparatus each utilizing optical fiber | Masahiro Komachiya, Satoshi Shimada, Seiko Suzuki, Takao Sasayama, Minoru Takahashi +1 more | 1997-12-02 |
| 5681989 | Intake air amount measuring apparatus for internal combustion engines | Atsushi Kanke, Hisao Sonobe, Kaoru Uchiyama | 1997-10-28 |
| 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, Hiroshi Kajioka, Hisao Sonobe | 1997-03-04 |