Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6938495 | Method of measuring fluid flow | Akira Hirano, Hisao Ohnishi, Masashi Nishigaki, Masamichi Ippommatsu, Tsuyoshi Tsurutani | 2005-09-06 |
| 6276217 | Method of measuring fluid flow by analyzing the fluorescent emissions of tracer particles in the fluid | Akira Hirano, Hisao Ohnishi, Masashi Nishigaki, Masamichi Ippommatsu, Tsuyoshi Tsurutani | 2001-08-21 |
| 5979245 | Method of measuring fluid flow by analyzing the fluorescent emissions from tracer particles in the fluid | Akira Hirano, Hisao Ohnishi, Masashi Nishigaki, Masamichi Ippommatsu, Tsuyoshi Tsurutani | 1999-11-09 |