Issued Patents All Time
Showing 1–25 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10054181 | Damping component and damping structure | Rie Endo, Shinji Yamamoto, Kazuaki Takahata, Kazumasa Shibata, Hiroki Kasama +1 more | 2018-08-21 |
| 9958026 | Damping structure | Rie Endo, Shinji Yamamoto, Kazuaki Takahata, Kazumasa Shibata, Hiroki Kasama | 2018-05-01 |
| 9915913 | Cover for image forming apparatus | Kazuaki Takahata, Shinji Yamamoto, Rie Endo, Kazumasa Shibata, Hiroki Kasama | 2018-03-13 |
| 9863496 | Damping component and structure including the same | Rie Endo, Shinji Yamamoto, Kazuaki Takahata, Kazumasa Shibata, Hiroki Kasama | 2018-01-09 |
| 8019258 | Developing apparatus | Shinichi Nishida, Yasushi Shimizu, Kazunari Hagiwara, Katsuhiro Sakaizawa, Rie Endo +1 more | 2011-09-13 |
| 7929009 | Electrophotographic photosensitive drum, electrophotographic image forming apparatus, and method of manufacturing electrophotographic photosensitive drum | Ryuji Yamamoto | 2011-04-19 |
| 7840168 | Developing apparatus | Shinichi Nishida, Yasushi Shimizu, Kazunari Hagiwara, Katsuhiro Sakaizawa, Rie Endo +1 more | 2010-11-23 |
| 7528859 | Electrophotographic image forming apparatus | Ryuji Yamamoto | 2009-05-05 |
| 7463854 | Developing apparatus, processing cartridge, and image forming apparatus | Shinichi Nishida, Kazunari Hagiwara, Yasushi Shimizu, Naoto Kichijima, Hirokazu Usami | 2008-12-09 |
| 7440724 | Cleaning member, cleaning unit, process cartridge, and electrophotographic image-forming apparatus | Tomokazu Morita | 2008-10-21 |
| 7366451 | Developer conveyance screw | — | 2008-04-29 |
| 7086326 | Thermally insulated pot | — | 2006-08-08 |
| 6330409 | Process cartridge and electrophotographic image forming apparatus | Kazushi Watanabe, Isao Ikemoto, Atsushi Numagami | 2001-12-11 |
| 6246849 | Bearing, process cartridge and electrophotographic image forming apparatus | Kazushi Watanabe, Atsushi Numagami | 2001-06-12 |
| 6236821 | Process cartridge having a coupling pin and a coupling pin comprising first, second, and third shaft portion | Kazushi Watanabe, Atsushi Numagami | 2001-05-22 |
| 6169866 | Process cartridge and electrophotographic image forming apparatus | Kazushi Watanabe, Isao Ikemoto, Atsushi Numagami | 2001-01-02 |
| 6144398 | Process cartridge and electrophotographic image forming apparatus | Kazushi Watanabe, Yoshihiro Ito | 2000-11-07 |
| 6118960 | End cover, process cartridge and assembling method for process cartridge | Takao Nakagawa, Kazushi Watanabe, Atsushi Numagami | 2000-09-12 |
| 6101354 | Electrophotographic image forming apparatus to which a process cartridge is detachably mountable and such a process cartridge whose developing member is supported at a position which deviates from a developing position | Takao Nakagawa, Kazushi Watanabe, Toshiyuki Karakama, Atsushi Numagami | 2000-08-08 |
| 6097908 | Electrical connector, process cartridge and electrophotographic image forming apparatus | Seiji Uchiyama, Kazushi Watanabe, Atsushi Numagami | 2000-08-01 |
| 6064841 | Power supply for a charging apparatus having a contact charger for charging an object to be charged | Hiroomi Matsuzaki, Tadayuki Tsuda | 2000-05-16 |
| 6044237 | Developing apparatus | Atsushi Numagami, Kazushi Watanabe | 2000-03-28 |
| 6029032 | Process cartridge and electrophotographic image forming apparatus | Kazushi Watanabe, Isao Ikemoto, Atsushi Numagami | 2000-02-22 |
| 6016413 | Assembling method of process cartridge, assembling method and process cartridge | Kazushi Watanabe, Atsushi Numagami | 2000-01-18 |
| 6006058 | Process cartridge and electrophotographic image forming apparatus having an improved driving system | Kazushi Watanabe, Tadayuki Tsuda, Shinichi Sasaki, Isao Ikemoto, Atsushi Numagami | 1999-12-21 |