Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4751014 | Piezoelectric composite material | Hirofumi Ozeki | 1988-06-14 |
| 4743392 | Piezoelectric composite material | Hirofumi Ozeki | 1988-05-10 |
| 4703652 | Piezoelectric type liquid level sensor and fabricating method thereof | Akio Itoh, Kazunori Sumi, Sigeo Saitoh | 1987-11-03 |
| 4694440 | Underwater acoustic wave transmitting and receiving unit | Koji Ogura | 1987-09-15 |
| 4610164 | Method of detecting liquid level | Toshiharu Ito | 1986-09-09 |
| 4570483 | Piezo-electric level sensor for internal combustion engine | — | 1986-02-18 |
| 4483180 | Method and device for checking an operating condition of an internal combustion engine | Hiroyuki Ohbuchi | 1984-11-20 |