Issued Patents All Time
Showing 101–104 of 104 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6800855 | Spectroscopic method for analyzing isotopes by using a semiconductor laser | Katsumasa Suzuki, Hiroshi Masusaki, Koh Matsumoto | 2004-10-05 |
| 6636316 | Spectroscopic method for analyzing a gas by using laser beam | Koh Matsumoto, Hiroshi Masusaki, Katsumasa Suzuki | 2003-10-21 |
| 6434496 | Method and apparatus for measuring light absorption spectra | Koh Matsumoto | 2002-08-13 |
| 5595594 | Anti-efflorescence admixture for concrete products | David F. Factor, Hamid Farzammehr, Kenneth Sroka | 1997-01-21 |