Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6131297 | Gyro compass | Shin-Ichi Kawada, Takeshi Hojo, Michio Fukano | 2000-10-17 |
| 5781296 | Closed loop type fiber optic gyroscope for measuring absolute rotation by delta serrodyne wave phase modulation | Shinichi Kawada, Takeshi Hojo, Yoshiyuki Okada, Isao Masuzawa | 1998-07-14 |
| 5517204 | Antenna directing apparatus | Takao Murakoshi, Takeshi Hojo, Kazuteru Sato, Koichi Umeno, Yoshinori Kamiya +3 more | 1996-05-14 |
| 5349531 | Navigation apparatus using a global positioning system | Kazuteru Sato, Mikio Morohoshi, Noriyuki Akaba, Atsushi Kawakami | 1994-09-20 |
| 4879918 | Gyro compass | Takeshi Hojo, Shinichi Kawada, Kazushige Murabayashi, Mamoru Akimoto, Michio Fukano | 1989-11-14 |
| 4831544 | Attitude and heading reference detecting apparatus | Takeshi Hojo, Mikio Morohoshi, Fuyuki Hame | 1989-05-16 |
| 4766834 | Marine automatic steering apparatus | Toshio Miyayama, Isao Masuzawa, Mitsuo Watanabe, Hidemitsu Yamada | 1988-08-30 |
| 4694696 | Vibration-type gyro apparatus | Takeshi Hojo, Shin-Ichi Kawada, Michio Fukano, Youji Okamura, Kazuteru Sato +2 more | 1987-09-22 |
| 4336594 | Automatic steering apparatus for ships | Isao Masuzawa, Yoichi Hirokawa | 1982-06-22 |