Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6938495 | Method of measuring fluid flow | Akira Hirano, Masahide Tsujishita, Hisao Ohnishi, Masashi Nishigaki, Masamichi Ippommatsu | 2005-09-06 |
| 6903812 | Method for measuring the flow of fluids | Masamichi Ipponmatsu, Masashi Nishigaki, Akira Hirano, Tsuyoshi Nakajima, Yuji Ikeda +1 more | 2005-06-07 |
| 6414748 | Method for measuring the flow of fluids | Masamichi Ipponmatsu, Masashi Nishigaki, Akira Hirano, Tsuyoshi Nakajima, Yuji Ikeda +1 more | 2002-07-02 |
| 6276217 | Method of measuring fluid flow by analyzing the fluorescent emissions of tracer particles in the fluid | Akira Hirano, Masahide Tsujishita, Hisao Ohnishi, Masashi Nishigaki, Masamichi Ippommatsu | 2001-08-21 |
| 6118519 | Method for measuring the flow of fluids | Masamichi Ipponmatsu, Masashi Nishigaki, Akira Hirano, Tsuyoshi Nakajima, Yuji Ikeda +1 more | 2000-09-12 |
| 5979245 | Method of measuring fluid flow by analyzing the fluorescent emissions from tracer particles in the fluid | Akira Hirano, Masahide Tsujishita, Hisao Ohnishi, Masashi Nishigaki, Masamichi Ippommatsu | 1999-11-09 |
| 5376347 | Uniform inorganic micropheres and production thereof | Masamichi Ipponmatsu, Masashi Nishigaki, Akira Hirano | 1994-12-27 |