Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5792945 | Apparatus for determining the amount of a surfactant dissolved in a solution | — | 1998-08-11 |
| 5736352 | Method and apparatus for determination of the activity of cholesterol oxidase and method and apparatus for evaluation of the toxicity of chemical substances | — | 1998-04-07 |
| 5597703 | Methods for determing cholesterol oxidase activity in an aqueous test sample, determining whether a test compound is capable of inhibiting cholesterol oxidase activity and determining the degree of cholesterol oxidase inhibitory activity | — | 1997-01-28 |
| 5565276 | Anti-falsification paper | Yoshiaki Ishii, Shin-ichi Akahori, Kenji Noda | 1996-10-15 |
| 5325893 | Air duct and paper therefor | Akinobu Takagi, Isao Ohtake, Osamu Nakano | 1994-07-05 |
| 5252421 | Electrophotographic toner | Masanori Ichimura, Koichi Oyamada | 1993-10-12 |
| 5032483 | Electrophotographic red toner | Masanori Ichimura, Koichi Oyamada | 1991-07-16 |
| 4933251 | Electrophotographic developer | Masanori Ichimura, Koichi Oyamada | 1990-06-12 |