Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4469864 | Thiopyrylium compounds and photoconductive compositions containing said compounds | Kouichi Kawamura, Hideo Sato | 1984-09-04 |
| 4452887 | Integral multi-layered element containing glucose oxidase for determining glucose | Masao Kitajima, Fuminori Arai | 1984-06-05 |
| 4435362 | Integral multilayer analytical element for the assay of total protein | Masaaki Terashima | 1984-03-06 |
| 4418037 | Color indicator composition and film for detecting hydrogen peroxide | Tadao Shishido | 1983-11-29 |
| 4389474 | Thiopyrylium compounds and photoconductive compositions containing said compounds | Kouichi Kawamura, Hideo Sato | 1983-06-21 |
| 4343948 | 2,6-Di-tert-butyl-4-methyl thiopyrylium salt | Kouichi Kawamura, Hideo Sato | 1982-08-10 |
| 4315983 | 2,6-Di-tert-butyl-4-substituted thiopyrylium salt, process for production of same, and a photoconductive composition containing same | Koichi Kawamura, Hideo Sato | 1982-02-16 |
| 4283475 | Pentamethine thiopyrylium salts, process for production thereof, and photoconductive compositions containing said salts | Koichi Kawamura, Hideo Sato | 1981-08-11 |
| 4273861 | Multilayer color photographic materials utilizing an interlayer correction coupler | Keisuke Shiba, Takeshi Hirose, Jun Hayashi, Atsuaki Arai, Nobuo Furutachi | 1981-06-16 |