Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10488772 | Electrostatic-image developing toner, electrostatic image developer, and toner cartridge | Asafumi FUJITA, Yasushige Nakamura, Seijiro Ishimaru | 2019-11-26 |
| 10353310 | Electrostatic-image developing toner, electrostatic image developer, and toner cartridge | Asafumi FUJITA, Yasushige Nakamura, Seijiro Ishimaru | 2019-07-16 |
| 9915886 | Image forming apparatus, electrostatic charge image developer, and electrostatic charge image developing toner | Asafumi FUJITA, Seijiro Ishimaru, Yasushige Nakamura | 2018-03-13 |
| 9874827 | Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge | Yasushige Nakamura, Asafumi FUJITA, Seijiro Ishimaru | 2018-01-23 |
| 9726993 | Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge | Yasushige Nakamura | 2017-08-08 |
| 8802340 | Electrophotographic toner, developer for electrophotography using the toner, process cartridge, and image forming apparatus using the same | Yasushige Nakamura | 2014-08-12 |
| 8597865 | Electrostatic-image-developing toner, electrostatic image developer, image forming apparatus, and image forming method | Daisuke Ishizuka, Yasushige Nakamura | 2013-12-03 |
| 8435708 | Magenta toner for light fixing, developer for electrostatic image, developer cartridge, and image forming apparatus | Yasushige Nakamura | 2013-05-07 |
| 7678521 | Electrophotographic toner and image forming apparatus | Akiko Kimura, Yasushige Nakamura | 2010-03-16 |
| 7316879 | Imaging color toner, color image forming method and color image forming apparatus | Yasushige Nakamura, Tomoaki Tanaka, Yoshimichi Katagiri | 2008-01-08 |
| 6821696 | Toner for optical fixing, manufacturing method therefor and image formation apparatus using it | Yoshimichi Katagiri, Yasushige Nakamura, 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, Tomoaki Tanaka, Yoshimichi Katagiri, Seijiro Ishimaru, Satoshi Takezawa +1 more | 2004-06-08 |
| 6704538 | Color image forming apparatus and color toner | Yasushige Nakamura, Tomoaki Tanaka, Yoshimichi Katagiri | 2004-03-09 |
| 6620568 | Flash fixing color toner and image forming process using the same | Yasushige Nakamura | 2003-09-16 |
| 6593050 | Flash fixing color toner | Yoshimichi Katagiri, Yasushige Nakamura | 2003-07-15 |
| 6468705 | Optical fixing toner | Seijiro Ishimaru, Yoshimichi Katagiri, Yasushige Nakamura | 2002-10-22 |
| 6229978 | Having aggregated toner dispersion member developing apparatus | Hiroaki Naito, Katsuya Shimatsu, Jun Shimizu | 2001-05-08 |