Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6455209 | Color filter manufacturing method, color filter and liquid crystal displayer | Shozo Kikukawa, Takeshi Murakami, Masaharu Nonaka | 2002-09-24 |
| 5087421 | Multilayered assay element | Mikio Koyama, Satoshi Kawakatsu, Tomoji Akashi | 1992-02-11 |
| 5059526 | Dry multilayer analytical element for analysis of enzymes or triglycerides | Kazumi Arai, Mario Kobayashi | 1991-10-22 |
| 4914020 | Multi-layer analytical element with preserved enzyme containing spreading layer | Kazumi Arai, Mikio Koyama, Morio Kobayashi, Takasi Momose, Kunihiro Furukawa +1 more | 1990-04-03 |
| 4732736 | Analytical element for the detection hydrogen peroxide | Morio Kobayashi, Mikio Koyama, Kunihiro Furukawa, Soichi Zanma | 1988-03-22 |
| 4613567 | Immunoassay method for measuring immunological antigen in fluid sample | Seikichi Yasoshima, Mikio Koyama | 1986-09-23 |
| 4594225 | Elements for analysis of calcium | Kazumi Arai, Mikio Koyama | 1986-06-10 |
| 4594224 | Analytical element | Shozo Kikugawa, Mikio Koyama | 1986-06-10 |
| 4576793 | Analytical element | Mikio Koyama, Masakuni Saruhashi | 1986-03-18 |
| 4567136 | Analytical element | Mikio Koyama, Shozo Kikugawa | 1986-01-28 |
| 4567024 | Analytical element | Mikio Koyama | 1986-01-28 |
| 4557901 | Analytical element | Mikio Koyama, Masakuni Saruhashi, Yuko Ohmachi | 1985-12-10 |
| 4551307 | Analytical element | Mikio Koyama, Shozo Kikugawa | 1985-11-05 |
| 4486537 | Analytical element and method of use | Mikio Koyama | 1984-12-04 |
| 4430436 | Analytical element and method of use | Mikio Koyama, Shozo Kikugawa, Kiyoshi Tamaki | 1984-02-07 |
| 4427632 | Analytical element | Mikio Koyama, Shozo Kikugawa | 1984-01-24 |
| 4390617 | Method for the formation of photographic images | Toyoaki Masukawa, Kiyoshi Yamashita, Wataru Ishikawa | 1983-06-28 |
| 4373017 | Photosensitive compound and photosensitive material containing it | Toyoaki Masukawa, Wataru Ishikawa, Kiyoshi Yamashita | 1983-02-08 |
| 4268621 | Direct positive photographic material | Keiji Ogi, Takashi Sasaki, Yasuo Tosaka | 1981-05-19 |
| 4252893 | Light-sensitive silver halide photographic material | Masao Iwamuro, Takashi Sasaki, Shizuo Saito, Eiichi Sakamoto | 1981-02-24 |
| 4241172 | Light-sensitive silver halide color photographic material | Takashi Uchida, Morio Kobayashi, Hiroshi Sugita, Takashi Sasaki | 1980-12-23 |