Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5390530 | Leak detection method for gas, steam or the like based, in part, on the measurement of wind direction and velocity | Akira Hosonuma, Teruyuki Onodera, Saburoh Takahashi, Yoshinori Hiroshige | 1995-02-21 |
| 5297421 | Leak detection system for gas, steam or the like that involves multi-point sampling | Akira Hosonuma, Teruyuki Onodera, Saburoh Takahashi, Yoshinori Hiroshige | 1994-03-29 |
| 4797265 | Process for the production of highly concentrated phosphoric acid | Tadashi Inoue, Akira Ohkoba, Akira Utsunomiya, Takeki Shinozaki, Minoru Ieda | 1989-01-10 |