Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5087421 | Multilayered assay element | Mikio Koyama, Tomoji Akashi, Kenichiro Okaniwa | 1992-02-11 |
| 5032497 | Silver halide color photo-sensitive material | Noritaka Nakayama, Katsunori Katoh, Kaoru Shinozaki | 1991-07-16 |
| 4966856 | Analytical element and the analytical method using the element | Tsukasa Ito, Akira Onishi, Masayo Takekoshi | 1990-10-30 |
| 4921791 | Method for measuring specific component using peroxidase enzyme reaction | Masahiko Yamasaki | 1990-05-01 |
| 4868106 | Analytical element and method for determining a component in a test sample | Tsukasa Ito, Akira Onishi, Masayo Ishikawa | 1989-09-19 |
| 4840886 | Silver halide color photographic material containing a 1h-pyrazole (3,2-C)-s-triazole derived magenta coupler | Toshifumi Iijima, Kenji Kumashiro, Hiroshi Kashiwagi, Koichi Hatta, Yuji Hotta +4 more | 1989-06-20 |
| 4695533 | Silver halide photographic light-sensitive material | Noritaka Nakayama, Katsunori Katoh, Toshijumi Iijima, Kenji Kumashiro, Hiroshi Kashiwagi +7 more | 1987-09-22 |
| 4675280 | Silver halide color photographic material containing a 1H-pyrazolo [3,2-C]- S | Yutaka Kaneko, Kenji Kadokura, Toshihiko Kimura, Noritaka Nakayama, Katsunori Katoh +1 more | 1987-06-23 |
| 4665015 | Silver halide color photographic material containing a magenta coupler | Toshifumi Iijima, Kenji Kumashiro, Hiroshi Kashiwagi, Koichi Hatta, Noritaka Nakayama +2 more | 1987-05-12 |
| 4607002 | Silver halide color photo-sensitive material | Noritaka Nakayama, Katsunori Katoh, Kaoru Shinozaki | 1986-08-19 |
| 4600688 | Silver halide color photographic light-sensitive material | Noritaka Nakayama, Katsunori Katoh, Kaoru Shinozaki, Toshihiko Kimura | 1986-07-15 |
| 4581326 | Silver halide color photographic material | Katsunori Katoh, Kosaku Masuda, Kaoru Miyagi, Noritaka Nakayama, Toshihiko Kimura | 1986-04-08 |
| 4562146 | Silver halide color photographic material | Kosaku Masuda, Kaoru Miyagi, Katsunori Katoh, Noritaka Nakayama, Toshihiko Kimura | 1985-12-31 |
| 4548899 | Silver halide color photographic material | Noritaka Nakayama, Katsunori Katoh, Kaoru Shinozaki | 1985-10-22 |
| 4451558 | Silver halide color photographic light-sensitive material | Hiroshi Sugita, Yutaka Kaneko | 1984-05-29 |
| 4324856 | Silver halide photographic material | Shigeto Hirabayashi, Hidetaka Ninomiya, Yutaka Kaneko | 1982-04-13 |
| 4297437 | Processing method of silver halide color photographic material | Yutaka Kaneko, Shigeto Hirabayashi, Hidetaka Ninomiya | 1981-10-27 |
| 4297441 | Photographic material | Yutaka Kaneko, Shigeto Hirabayashi, Hidetaka Ninomiya | 1981-10-27 |