Issued Patents All Time
Showing 25 most recent of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7759035 | Electrostatic charge image developing toner and image forming method | Mikio Kouyama, Takato Chiba, Kenji Hayashi, Hiroyuki Yasukawa | 2010-07-20 |
| 7402613 | Colored fine particle dispersion and a water-based ink for an ink-jet system | Hiroaki Ando | 2008-07-22 |
| 7354960 | Water-based ink and process for producing water-based ink | Masaki Nakamura, Akihiko Takeda | 2008-04-08 |
| 7265165 | Colored minute particles dispersion, aqueous ink, and image forming method using the same | Kenichi Ohkubo, Atsushi Tomotake | 2007-09-04 |
| 7132464 | Ink for ink-jet recording and image forming method | Masaki Nakamura, Atsushi Tomotake | 2006-11-07 |
| 7053136 | Colored particle aqueous dispersion, water-based ink, and image forming method | Hiroaki Ando | 2006-05-30 |
| 7037957 | Water-based ink comprising colored particles and image forming method using the same | Hiroaki Ando | 2006-05-02 |
| 7011701 | Dye and ink jet printing ink | Kyoko Iwamoto, Satoru Ikesu, Takatugu Suzuki, Mari Takahashi | 2006-03-14 |
| 6825247 | Water-based ink and preparing method thereof | Hiroaki Ando, Shinzo Omi | 2004-11-30 |
| 6777463 | Particles containing a colorant and a water-based ink comprising polymer emulsion | Hiroaki Ando, Shinzo Omi | 2004-08-17 |
| 6746115 | Ink-jet image recording method | Atsushi Tomotake, Masaki Nakamura | 2004-06-08 |
| 5753017 | Ink jet recording ink and recording method employing the same | Akira Onodera, Hidenobu Ohya, Daisuke Ishibashi, Tawara Komamura, Katsunori Katoh +2 more | 1998-05-19 |
| 5470985 | Metal complex compound | Yuko Nagasawa, Kazuo Asano | 1995-11-28 |
| 5112532 | Non-linear optical material and non-linear optical device employing it | Noritaka Nakayama, Toyoaki Masukawa, Miki Morita | 1992-05-12 |
| 5093882 | Wavelength conversion device | Kazuo Asano, Miki Horii, Yuko Nagasawa | 1992-03-03 |
| 5084373 | Light-sensitive color photographic material improved on the sharpness and graininess thereof | Yoshikazu Watanabe, Yoshitaka Yamada, Toshihiko Kimura | 1992-01-28 |
| 4988614 | Silver halide color photographic light-sensitive material containing novel magenta couplers | Osamu Ishige, Toyoaki Masukawa, Junichi Kohno | 1991-01-29 |
| 4909598 | Non-linear optical device | Miki Morita, Yoshitaka Takahashi | 1990-03-20 |
| 4871658 | Silver halide photographic material that is resistant to fogging during storage | Eiichi Sakamoto, Yutaka Kaneko, Takashi Kamio, Atsuo Ezaki, Hideo Akamatsu +1 more | 1989-10-03 |
| 4840883 | Light-sensitive silver halide color photographic material containing novel cyan coupler | Toyoaki Masukawa, Hiroyuki Iizuka | 1989-06-20 |
| 4818672 | Silver halide color photographic light-sensitive material improved in cyan image characteristics | Toyoaki Masukawa, Yasuo Tsuda, Noritaka Nakayama, Toshihiko Kimura | 1989-04-04 |
| 4788284 | Diphenylimidazole type dyes | Toyoaki Masukawa, Yasuo Tsuda, Noritaka Nakayama | 1988-11-29 |
| 4766060 | Silver halide photographic material | Ryosuke Sato | 1988-08-23 |
| 4692529 | Method for synthesizing a magenta coupler by selectively etherifying 4-hydroxy-5-pyrazolone | Kasaku Masuda, Ryosuke Sato, Fumio Ishii, Kazuhiko Kimura | 1987-09-08 |
| 4324856 | Silver halide photographic material | Satoshi Kawakatsu, Shigeto Hirabayashi, Yutaka Kaneko | 1982-04-13 |