Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6963711 | Developing method and developing device for electrophotographic image, and printing device using the developing device | Tomoaki Tanaka, Satoshi Takezawa, Yoshimichi Katagiri | 2005-11-08 |
| 6855468 | Color image formation method | Takashi Yamamoto, Masakazu Kinoshita, Yoshimichi Katagiri, Shin-ichi Kuramoto, Hachiro Tosaka +2 more | 2005-02-15 |
| 6737210 | Image formation method, electrophotographic toners, and printed matter | Osamu Uchinokura, Hachiroh Tosaka, Hiroshi Yamashita, Shinichi Kuramoto, Takashi Yamamoto +3 more | 2004-05-18 |
| 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, Yoshimichi Katagiri | 2003-11-04 |
| 6432589 | Image formation method, electrophotographic toners, and printed matter | Osamu Uchinokura, Hachiroh Tosaka, Hiroshi Yamashita, Shinichi Kuramoto, Takashi Yamamoto +3 more | 2002-08-13 |
| 6416914 | Image formation process and developer used therein | Takashi Yamamoto, Masakazu Kinoshita, Yoshimichi Katagiri, Shinichi Kuramoto, Hachiro Tosaka +2 more | 2002-07-09 |
| 6389246 | Color image forming apparatus | Takashi Yamamoto | 2002-05-14 |
| 6360068 | Electrophotographic image formation process and apparatus | Masakazu Kinoshita, Takashi Yamamoto, Yoshimichi Katagiri, Shin-ichi Kuramoto, Hachiro Tosaka +3 more | 2002-03-19 |