Issued Patents All Time
Showing 1–25 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7439003 | Magnetic black toner for electrophotography having Mn-containing hematite compound and magnetic two-component developer for electrophotography containing the same | Seijirou Ishimaru, Sadaaki Yoshida, Masahisa Ochiai | 2008-10-21 |
| 7316879 | Imaging color toner, color image forming method and color image forming apparatus | Yasushige Nakamura, Shinichi Yaoi, Tomoaki Tanaka | 2008-01-08 |
| 7316882 | Image forming method | Yasushige Nakamura, Katsuji Ebisu, Yuzo Horikoshi, Takahiro Kashikawa | 2008-01-08 |
| 7252914 | Toner for electrophotography and developer for electrophotography using the same, process cartridge, apparatus for forming image, and method for forming image | Yasushige Nakamura, Tomoaki Tanaka, Seijiro Ishimaru, Sadaaki Yoshida | 2007-08-07 |
| 7254363 | Image-forming process and image-forming apparatus using flash fusing | Yasushige Nakamura | 2007-08-07 |
| 7083887 | Color toner and image forming apparatus using the color toner | Yasushige Nakamura | 2006-08-01 |
| 6963711 | Developing method and developing device for electrophotographic image, and printing device using the developing device | Tomoaki Tanaka, Satoshi Takezawa, Masae Nakamura | 2005-11-08 |
| 6855468 | Color image formation method | Takashi Yamamoto, Masae Nakamura, Masakazu Kinoshita, Shin-ichi Kuramoto, Hachiro Tosaka +2 more | 2005-02-15 |
| 6852457 | Image fixing method | Yasushige Nakamura | 2005-02-08 |
| 6833228 | Toner and an image formation method | Yasushige Nakamura, Seijiro Ishimaru, Mutsuo Watanabe | 2004-12-21 |
| 6821696 | Toner for optical fixing, manufacturing method therefor and image formation apparatus using it | Yasushige Nakamura, Shinichi Yaoi, Tomoaki Tanaka, Seijiro Ishimaru, Satoshi Takezawa +4 more | 2004-11-23 |
| 6746808 | Image forming color toner, color image forming method and color image forming apparatus | Yasushige Nakamura, Shinichi Yaoi, Tomoaki Tanaka, Seijiro Ishimaru, Satoshi Takezawa +1 more | 2004-06-08 |
| 6737210 | Image formation method, electrophotographic toners, and printed matter | Osamu Uchinokura, Hachiroh Tosaka, Hiroshi Yamashita, Shinichi Kuramoto, Masae Nakamura +3 more | 2004-05-18 |
| 6727030 | Toner and an image formation method | Yasushige Nakamura, Seijiro Ishimaru, Mutsuo Watanabe | 2004-04-27 |
| 6704538 | Color image forming apparatus and color toner | Yasushige Nakamura, Shinichi Yaoi, Tomoaki Tanaka | 2004-03-09 |
| 6641965 | COLOR TONER FOR ELECTROPHOTOGRAPHY, AND A COMBINED SET OF COLOR TONERS FOR ELECTROPHOTOGRAPHY USING THE SAME, COLOR DEVELOPING AGENT FOR ELECTROPHOTOGRAPHY USING THE SAME, METHOD FOR FORMING COLOR IMAGES USING THE SAME, AND DEVICE FOR FORMING COLOR IMAGES USING THE SAME | Yasushige Nakamura, Tomoaki Tanaka, Masae Nakamura | 2003-11-04 |
| 6593050 | Flash fixing color toner | Yasushige Nakamura, Shinichi Yaoi | 2003-07-15 |
| 6544707 | Two component developing agent and an image forming apparatus by use of the same | Yasushige Nakamura, Seijiro Ishimaru, Yuji Sato, Tsuyoshi Itagoshi, Hiromichi Kobayashi | 2003-04-08 |
| 6528221 | Flash fixing toner and fabrication method therefor | Satoshi Takezawa, Yasushige Nakamura | 2003-03-04 |
| 6468705 | Optical fixing toner | Seijiro Ishimaru, Yasushige Nakamura, Shinichi Yaoi | 2002-10-22 |
| 6432589 | Image formation method, electrophotographic toners, and printed matter | Osamu Uchinokura, Hachiroh Tosaka, Hiroshi Yamashita, Shinichi Kuramoto, Masae Nakamura +3 more | 2002-08-13 |
| 6416914 | Image formation process and developer used therein | Masae Nakamura, Takashi Yamamoto, Masakazu Kinoshita, Shinichi Kuramoto, Hachiro Tosaka +2 more | 2002-07-09 |
| 6360068 | Electrophotographic image formation process and apparatus | Masakazu Kinoshita, Takashi Yamamoto, Masae Nakamura, Shin-ichi Kuramoto, Hachiro Tosaka +3 more | 2002-03-19 |
| 5986017 | Toner binder for flash fixing, toner, electrostatic photographic printing method and apparatus therefor | Hitoshi Kusaba, Yasuharu Takeuchi, Yuzo Horikoshi, Makoto Koshi, Hiroichi Ishihara +4 more | 1999-11-16 |
| 5618648 | Toner binder, toner, electrophotographic method and apparatus therefor | Yuzo Horikoshi, Norio Sawatari, Takeshi Ogino, Hiroaki Naito, Makoto Koshi +6 more | 1997-04-08 |