Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5416976 | Gyro compass | Shinichi Kawada, Takeshi Hojo, Mamoru Akimoto, Kazushige Murabayashi | 1995-05-23 |
| 5272815 | Gyro compass | Shinichi Kawada, Takeshi Hojo, Mamoru Akimoto, Kazushige Murabayashi | 1993-12-28 |
| 4694696 | Vibration-type gyro apparatus | Takeshi Hojo, Shin-Ichi Kawada, Michio Fukano, Kanshi Yamamoto, Youji Okamura +2 more | 1987-09-22 |