Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5289257 | Signal processing apparatus for optical gyro | Hiroshi Narise, Takafumi Hirano, Yoshiaki Hayakawa | 1994-02-22 |
| 5048962 | Optical gyro, signal processing apparatus for the same and method of driving phase modulator used in the same | Yoshiaki Hayakawa, Naoshi Murayama | 1991-09-17 |