Issued Patents All Time
Showing 25 most recent of 62 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8512926 | Electrophotographic toner, electrophotographic developer, toner cartridge, and image forming method | Yutaka Sugizaki, Susumu Yoshino, Hiroshi Nakazawa | 2013-08-20 |
| 8501380 | Electrostatic latent image developing toner, electrostatic latent image developer, toner cartridge, process cartridge and image forming apparatus | Yuka Ishihara, Masaki Nakamura, Satoshi Inoue | 2013-08-06 |
| 7867681 | Electrostatic image developing toner, electrostatic image developer, toner cartridge, process cartridge, and image forming apparatus | Satoshi Yoshida, Shinpei Takagi, Noriyuki Mizutani, Yusuke Ikeda | 2011-01-11 |
| 7820349 | Toner for electrostatic latent image development, production method thereof, and developer for electrostatic latent image development | Seiichi Takagi, Takashi Imai, Susumu Yoshino, Emi Takahashi, Toyofumi Inoue +2 more | 2010-10-26 |
| 7642031 | Electrophotographic toner and electrophotographic developer and image forming method | Yosuke Tsurmi, Yusuke Ikeda, Hiroyuki Tanaka, Satoshi Yoshida, Noriyuki Mizutani +5 more | 2010-01-05 |
| 7575841 | Toner for electrophotography, manufacturing method of toner for electrophotography, developer for electrophotography, and image forming method | Kazufumi Tomita, Moegi Iguchi, Yasuo Matsumura, Yusuke Ikeda, Shigeru Hayashi +4 more | 2009-08-18 |
| 7572564 | Toner for electrostatic image development, electrostatic image developer and image forming method using the same | Shuji Sato, Shigeru Hayashi | 2009-08-11 |
| 7498113 | Toner for developing electrostatic image, production method thereof, resin particle dispersion, and electrostatic image developer | Yasuo Matsumura, Takashi Imai, Shuji Sato, Yusuke Ikeda, Yosuke Tsurumi +4 more | 2009-03-03 |
| 7488562 | Electrophotographic toner, method for producing the same, electrophotographic developer, method for producing the developer, and image forming method | Shuji Sato, Shigeru Hayashi, Yosuke Tsurumi, Yusuke Ikeda, Hiroshi Nakazawa | 2009-02-10 |
| 7410741 | Toner for electrophotography and developer for electrophotography, as well as image forming method | Norihito Fukushima, Shuji Sato, Masaaki Suwabe, Kazufumi Tomita, Fumio Ojima | 2008-08-12 |
| 7291436 | Electrophotographic toner, method for producing the same, electrophotographic developer, and image forming method | Masaki Nakamura, Takashi Imai, Yuka Ishihara, Hirokazu Yamada, Hirokazu Hamano +2 more | 2007-11-06 |
| 7267864 | Image supporting material, method for use thereof and image forming apparatus utilizing the same | Osamu Ide, Shigeru Hayashi | 2007-09-11 |
| 6942951 | Image forming method | Takashi Imai, Manabu Serizawa, Hirokazu Hamano, Norihito Fukushima, Yuka Ishihara | 2005-09-13 |
| 6895206 | Image fixing apparatus and image fixing method for a crystalline resin-containing toner | Masaki Nakamura, Toshimizu Ozawa, Norihito Fukushima, Hirokazu Hamano, Yuka Ishihara +1 more | 2005-05-17 |
| 6881528 | Image formation method | Takashi Imai, Katsumi Nukada, Wataru Yamada | 2005-04-19 |
| 6864029 | Electrophotographic toner, manufacture of the same, electrostatic latent image developer, and image forming method | Hirokazu Hamano, Manabu Serizawa, Yuka Ishihara, Norihito Fukushima, Takashi Imai | 2005-03-08 |
| 6607864 | Image forming method | Manabu Serizawa, Hirokazu Hamano, Yuka Ishihara, Norihito Fukushima, Takashi Imai | 2003-08-19 |
| 6582867 | Toner for developing electrostatic latent image, process for producing the same, and process for forming image | Manabu Serizawa, Norihito Fukushima, Takashi Imai, Hirokazu Hamano | 2003-06-24 |
| 6582869 | Electrophotographic toner, method of manufacturing the same, electrophotographic developer, and image forming method | Norihito Fukushima, Takashi Imai, Manabu Serizawa, Hirokazu Hamano, Masanori Ichimura | 2003-06-24 |
| 6569592 | Image forming method | Yuka Ishihara, Manabu Serizawa, Hirokazu Hamano, Norihito Fukushima, Takashi Imai | 2003-05-27 |
| 6500594 | Electrophotographic developer and process for forming image | Hirokazu Hamano, Manabu Serizawa, Norihito Fukushima, Takashi Imai, Masanori Ichimura | 2002-12-31 |
| 6413691 | Electrophotographic toner, process for producing the same, electrophotographic developer, and process for forming image | Masato Mikami, Norihito Fukushima, Chisato Urano, Takashi Imai, Jun Igarashi | 2002-07-02 |
| 6232466 | Process for preparing titanyl phthalocyanine crystal by solvent treatment of amorphous or quasi-amorphous titanyl phthalocyanine | Akihiko Tokida, Katsumi Nukada, Hidemi Nukada, Yasuo Sakaguchi | 2001-05-15 |
| 6203956 | Electrophotographic toner and image-forming method | Chisato Urano, Masato Mikami, Norihito Fukushima | 2001-03-20 |
| 5907001 | Process for the preparation of photopatternable polymers | Daniel A. Foucher, Peter M. Kazmaier, Timothy J. Fuller, Ram S. Narang | 1999-05-25 |