Issued Patents All Time
Showing 25 most recent of 65 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12326672 | Developing sleeve and electrophotographic image forming apparatus | Kazutoshi Kobayashi, Yukio Hosoya, Toshiyuki Fujita | 2025-06-10 |
| 12287592 | Image forming method and image forming system | Kazumi OURA, Hiroshi Nagasawa, Masaharu Matsubara, Koji Shibata, Makoto Nomiya +1 more | 2025-04-29 |
| 11972509 | Local gonio-reflection characteristics-acquiring method, image processing method, image display method, and local gonio-reflection characteristics-acquiring apparatus | Takayuki Ishikawa | 2024-04-30 |
| 11886145 | Electrostatic charge image developing toner and manufacturing method of same, image forming method, image forming system and output product using same | — | 2024-01-30 |
| 8668846 | Photoelectric conversion element and solar cell | Hidekazu KAWASAKI, Kazuya Isobe, Hideya MIWA, Kazukuni NISHIMURA, Mayuko Ushiro | 2014-03-11 |
| 8471143 | Photoelectric conversion element and solar cell | Hidekazu KAWASAKI, Kazuya Isobe, Hideya MIWA, Kazukuni NISHIMURA, Mayuko Ushiro | 2013-06-25 |
| 8410356 | Photoelectric conversion element and solar cell | Hidekazu KAWASAKI, Kazuya Isobe, Hideya MIWA, Kazukuni NISHIMURA, Mayuko Ushiro | 2013-04-02 |
| 8395041 | Photoelectric conversion element and solor cell | Hidekazu KAWASAKI, Kazuya Isobe, Hideya MIWA, Kazukuni NISHIMURA, Mayuko Ushiro | 2013-03-12 |
| 8247687 | Photoelectric conversion element and solar cell | Hideya MIWA, Kazuya Isobe, Kazukuni NISHIMURA, Hidekazu KAWASAKI, Mayuko Ushiro | 2012-08-21 |
| 8242355 | Photoelectric conversion element and solar cell | Kazukuni NISHIMURA, Fumitaka Mochizuki, Hideya MIWA, Hidekazu KAWASAKI | 2012-08-14 |
| 8241824 | Electrophotographic photoreceptor, image forming method, image forming apparatus and process cartridge | — | 2012-08-14 |
| 8039741 | Photoelectric conversion element and solar cell | Fumitaka Mochizuki, Kazukuni NISHIMURA | 2011-10-18 |
| 8029955 | Electrophotographic photoreceptor and image forming method | Eiichi Sakai, Yoshihiko Eto, Kimiyuki Itou, Takeo Oshiba | 2011-10-04 |
| 7947898 | Photoelectric conversion element and solar cell | Tomoko Sakimura, Fumitaka Mochizuki, Hideya MIWA | 2011-05-24 |
| 7943848 | Photoelectric conversion element, method of manufacturing the same and solar cell | Kazukuni NISHIMURA, Fumitaka Mochizuki | 2011-05-17 |
| 7897312 | Image forming method | — | 2011-03-01 |
| 7851118 | Image forming method, image forming apparatus and organic photoreceptor | Masao Asano, Hiroshi Yamazaki, Kunio Shigeta | 2010-12-14 |
| 7846626 | Image forming method and image forming apparatus | Masao Asano, Hiroshi Yamazaki, Kunio Shigeta | 2010-12-07 |
| 7482106 | Image forming method and image forming apparatus | Hideo Yoshizawa | 2009-01-27 |
| 7479359 | Photoconductor for electrophotography | Keiichi Inagaki, Masao Asano, Hiroshi Yamazaki, Hideo Yoshizawa | 2009-01-20 |
| 7477866 | Image forming method and image forming apparatus | Kunio Shigeta | 2009-01-13 |
| 7473509 | Image forming method and image forming apparatus | Masao Asano, Hiroshi Yamazaki | 2009-01-06 |
| 7459256 | Image forming method and image forming apparatus | Kunio Shigeta, Shigeaki Tokutake | 2008-12-02 |
| 7449267 | Image forming method | Masao Asano, Hiroshi Yamazaki | 2008-11-11 |
| 7285366 | Organic photoreceptor, an image forming method, an image forming apparatus and a process cartridge | Shigeki Takenouchi, Satoshi Uchino | 2007-10-23 |