Issued Patents All Time
Showing 25 most recent of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11921453 | Image forming apparatus | Shintaro Yamada, Akihiro Kawasaki | 2024-03-05 |
| 9448501 | Toner for developing electrostatic image, image forming apparatus, image forming method, and process cartridge | Ryota Inoue, Yoshitaka Sekiguchi, Shun Saito | 2016-09-20 |
| 9152066 | Toner, developer, process cartridge, and image forming apparatus | Ryota Inoue, Masahiro Seki, Shun Saito, Yoshitaka Sekiguchi, Yoshihiro Mikuriya +4 more | 2015-10-06 |
| 8805222 | Image developing device, process cartridge including image developing device, and image forming device including image developing device | Naoki Nakatake, Tomohiro Kubota, Shoh Tsuritani, Yuji Nagatomo, Yasuhide Matsuno +7 more | 2014-08-12 |
| 8329371 | Toner for non-magnetic one-component developer, method of preparing the toner, developer and image forming method | Yoshihiro Mikuriya, Hideaki Yasunaga, Kazuoki Fuwa, Masayuki Hagi, Masahide Inoue | 2012-12-11 |
| 8192910 | Image forming method, image forming apparatus and process cartridge | Naoki Nakatake, Masayuki Hagi, Yoshitaka Sekiguchi, Kazuoki Fuwa, Yoshihiro Mikuriya +1 more | 2012-06-05 |
| 8103199 | Developing device, and image forming method and process cartridge using the developing device | Hideaki Yasunaga, Masayuki Hagi, Yoshihiro Mikuriya, Yoshitaka Sekiguchi, Kazuoki Fuwa +1 more | 2012-01-24 |
| 8041270 | Image developer using one-component developer | Hideaki Yasunaga, Masayuki Hagi, Yoshihiro Mikuriya, Kazuoki Fuwa, Masahide Inoue +2 more | 2011-10-18 |
| 8021814 | Toner, and oilless fixing method and process cartridge using the toner | Masayuki Hagi, Yoshihiro Mikuriya, Hideaki Yasunaga, Kazuoki Fuwa, Yoshitaka Sekiguchi +2 more | 2011-09-20 |
| 8007973 | Full-color toner kit, process cartridge, and image forming method | Kazuoki Fuwa, Yoshihiro Mikuriya, Masayuki Hagi, Hideaki Yasunaga, Yoshitaka Sekiguchi | 2011-08-30 |
| 7981593 | Toner, developer including the toner, and image forming method and apparatus using the toner | Hideaki Yasunaga, Kazuoki Fuwa, Yoshihiro Mikuriya, Masayuki Hagi, Masahide Inoue | 2011-07-19 |
| 7970323 | Developing device, developer therefor, and image forming method and apparatus, and process cartridge using the developing device | Masayuki Hagi, Yoshihiro Mikuriya, Hideaki Yasunaga, Yoshitaka Sekiguchi, Kazuoki Fuwa +1 more | 2011-06-28 |
| 7873300 | Single component development device, process cartridge and toner | Kazuoki Fuwa, Masayuki Hagi, Yoshihiro Mikuriya, Hideaki Yasunaga, Yoshitaka Sekiguchi +1 more | 2011-01-18 |
| 7867680 | Non-magnetic toner for one-component development and method of preparing the toner, and image developer, image forming apparatus, process cartridge and image forming method | Yoshihiro Mikuriya, Kazuoki Fuwa, Yoshitaka Sekiguchi, Hideaki Yasunaga, Masayuki Hagi | 2011-01-11 |
| 7838193 | Toner and image forming method using the toner | Masayuki Hagi, Takuya Kadota, Atsushi Yamamoto, Katsunori Kurose, Yoshihiro Mikuriya +5 more | 2010-11-23 |
| 7727694 | Toner for developing electrostatic image, and image forming method and apparatus and process cartridge using the toner | Hiroyuki Murakami, Masahide Inoue, Masayuki Hagi, Takuya Kadota, Yoshihiro Mikuriya +3 more | 2010-06-01 |
| 7695885 | Developer and image forming method using the developer | Hideaki Yasunaga, Minoru Nakamura, Masayuki Hagi, Takuya Kadota, Yoshihiro Mikuriya +3 more | 2010-04-13 |
| 7635549 | Toner and developer, toner container, process cartridge, image forming method and image forming apparatus | Minoru Nakamura, Chiyoshi Nozaki, Yoshihiro Mikuriya, Tsuyoshi Nozaki, Atsushi Yamamoto +3 more | 2009-12-22 |
| 7632619 | Toner, fixing method and image forming method using the toner | Yoshihiro Mikuriya, Atsushi Yamamoto, Takuya Kadota, Masayuki Hagi, Katsunori Kurose +1 more | 2009-12-15 |
| 7556906 | Toner, and image forming method, image forming apparatus, and process cartridge using the toner | Masayuki Hagi, Takuya Kadota, Yoshihiro Mikuriya, Katsunori Kurose, Atsushi Yamamoto +5 more | 2009-07-07 |
| 7222794 | Optical reader applicable to plurality of uses | Toshimitsu Kumagai, Mitsuharu Ishii, Yuichirou Takashima, Toshitaka Aoki | 2007-05-29 |
| 7055150 | Printer firmware installation method, printer and printer system | Hirotomo Terada, Yoshinobu Nakamura, Kota Ariyama | 2006-05-30 |
| 7048188 | Optical reader applicable to plurality of uses | Toshimitsu Kumagai, Mitsuharu Ishii, Yuichirou Takashima, Toshitaka Aoki | 2006-05-23 |
| 6899274 | Optical reader applicable to plurality of uses | Toshimitsu Kumagai, Mitsuharu Ishii, Yuichirou Takashima, Toshitaka Aoki | 2005-05-31 |
| 6860426 | Optical reader applicable to plurality of uses | Toshimitsu Kumagai, Mitsuhara Ishii, Yuichirou Takashima, Toshitaka Aoki | 2005-03-01 |