Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5333914 | Hose device | Norio Oomori, Fumio Ikeda, Keiichi Kodama, Makoto Kanai | 1994-08-02 |
| 4909080 | Ultrasonic level gauge | Mitsuhiro Kikuta, Toshinori Takahashi, Kimiko Hasegawa, Chikahisa Hayashi | 1990-03-20 |
| 4891980 | Liquid level gauge | Makoto Kawai, Chikahisa Hayashi, Yoshikazu Hirose | 1990-01-09 |
| 4831878 | Structure for mounting liquid level meter | Chikahisa Hayashi, Makoto Kawai, Yoshikazu Hirose, Nobutsugu Miyazaki, Hideo Yamamoto | 1989-05-23 |