Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6016706 | Process state detector, semiconductor sensor and display device for displaying a process state used therefor | Yoshimi Yamamoto, Tomoyuki Tobita | 2000-01-25 |
| 5677493 | Composite condition detection apparatus for detecting static pressure, differential pressure and temperature of a process | Yoshimi Yamamoto, Tomoyuki Tobita | 1997-10-14 |
| 5635649 | Multi-function differential pressure sensor with thin supporting base | Tomoyuki Tobita, Yoshimi Yamamoto, Ken'ichi Aoki | 1997-06-03 |
| 5621175 | Differential pressure transmitter having symmetrical construction | Yoshimi Yamamoto, Tomoyuki Tobita | 1997-04-15 |
| 5554809 | Process detection apparatus | Tomoyuki Tobita, Yoshimi Yamamoto, Masao Fukunaga, Teruo Kobayahsi | 1996-09-10 |
| 5531120 | Compact differential pressure transmitter having first and second damper chambers | Yoshimi Yamamoto, Tomoyuki Tobita, Toshihiro Onose | 1996-07-02 |
| 5477738 | Multi-function differential pressure sensor with thin stationary base | Tomoyuki Tobita, Yoshimi Yamamoto, Ken'ichi Aoki | 1995-12-26 |
| 4546653 | Semiconductor differential pressure transducer | Tomoyuki Tobita, Yoshimi Yamamoto, Yukio Takahashi | 1985-10-15 |
| 4342231 | Differential pressure transmitter | Yoshimi Yamamoto, Yoshitaka Matsuoka, Syozo Kasai, Yukio Takahashi, Takeo Nagata +2 more | 1982-08-03 |
| 4321578 | Pressure transducer | Yosimi Yamamoto, Takeo Nagata, Hiroyasu Uchida, Yutaka Sakurai | 1982-03-23 |