Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10488772 | Electrostatic-image developing toner, electrostatic image developer, and toner cartridge | Shinichi Yaoi, Asafumi FUJITA, Yasushige Nakamura | 2019-11-26 |
| 10353310 | Electrostatic-image developing toner, electrostatic image developer, and toner cartridge | Asafumi FUJITA, Shinichi Yaoi, Yasushige Nakamura | 2019-07-16 |
| 9915886 | Image forming apparatus, electrostatic charge image developer, and electrostatic charge image developing toner | Asafumi FUJITA, Shinichi Yaoi, Yasushige Nakamura | 2018-03-13 |
| 9874827 | Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge | Yasushige Nakamura, Shinichi Yaoi, Asafumi FUJITA | 2018-01-23 |
| 8383308 | Positively chargeable two-component developer, image forming method, and image forming apparatus | Sakon Takahashi, Daisuke Ishizuka, Michio Take, Chiaki Suzuki | 2013-02-26 |
| 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, Sadaaki Yoshida, Yoshimichi Katagiri | 2007-08-07 |
| 6967070 | Electrophotographic toner and image forming method | Yasushige Nakamura, Toru Takahashi, Tsuneo Watanuki, Norio Sawatari, Yasuyuki Furuse | 2005-11-22 |
| 6833228 | Toner and an image formation method | Yasushige Nakamura, Mutsuo Watanabe, Yoshimichi Katagiri | 2004-12-21 |
| 6821696 | Toner for optical fixing, manufacturing method therefor and image formation apparatus using it | Yoshimichi Katagiri, Yasushige Nakamura, Shinichi Yaoi, Tomoaki Tanaka, Satoshi Takezawa +4 more | 2004-11-23 |
| 6803165 | Toner for electrophotography, developing agent for electrophotography using the toner, image forming method, and image forming device | Yasushige Nakamura | 2004-10-12 |
| 6746808 | Image forming color toner, color image forming method and color image forming apparatus | Yasushige Nakamura, Shinichi Yaoi, Tomoaki Tanaka, Yoshimichi Katagiri, Satoshi Takezawa +1 more | 2004-06-08 |
| 6727030 | Toner and an image formation method | Yasushige Nakamura, Mutsuo Watanabe, Yoshimichi Katagiri | 2004-04-27 |
| 6544707 | Two component developing agent and an image forming apparatus by use of the same | Yasushige Nakamura, Yoshimichi Katagiri, Yuji Sato, Tsuyoshi Itagoshi, Hiromichi Kobayashi | 2003-04-08 |
| 6468705 | Optical fixing toner | Yoshimichi Katagiri, Yasushige Nakamura, Shinichi Yaoi | 2002-10-22 |
| 5750301 | Toner for a two-component type developer | Masatomi Funato, Yoshitake Shimizu, Norio Kubo, Kazuya Nagao, Terumichi Asano | 1998-05-12 |
| 5580691 | Toner for a two-component type developer | Masatomi Funato, Yoshitake Shimizu, Norio Kubo, Kazuya Nagao, Terumichi Asano | 1996-12-03 |
| 5521045 | Toner for a two-component-type magnetic developing agent having excellent spent resistance | Masatomi Funato, Yoshitake Shimizu, Kazuya Nagao | 1996-05-28 |
| 5514509 | Electrophotographic developer | Hideaki Kawata, Nobuaki Kawano, Fumie Kimura | 1996-05-07 |
| 5500319 | Toner for a two-component-type magnetic developing agent having excellent spent resistance | Masatomi Funato, Yoshitake Shimizu, Kazuya Nagao | 1996-03-19 |
| 5376489 | Two-component developer | Naruo Yabe, Tetsuya Nakano, Masahide Inoue, Teruaki Teratani, Koichi Tsuyama +1 more | 1994-12-27 |
| 5240804 | Electrophotographic developer comprising resin coated carrier | Tetsuya Nakano, Naruo Yabe, Masahide Inoue, Teruaki Teratani, Koichi Tsuyama +1 more | 1993-08-31 |
| 5232807 | Electrophotographic developer | Tetsuya Nakano, Naruo Yabe, Masahide Inoue, Teruaki Teratani, Koichi Tsuyama +1 more | 1993-08-03 |
| 5223367 | Start developer | Tetsuya Nakano, Masahide Inoue, Koichi Tsuyama, Teruaki Teratani, Naruo Yabe +1 more | 1993-06-29 |