Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883358 | Fiber optic gyro stabilized by harmonic components of detected signal | — | 1989-11-28 |
| 4827747 | Method for producing a bellows with oval cross section and apparatus for carrying out the method | Hiroshi Asao, Keiichi Nakamura | 1989-05-09 |