Issued Patents All Time
Showing 76–100 of 150 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8355652 | Development cartridge and image forming apparatus | Yuuki Nakamura, Takahito Ueno | 2013-01-15 |
| 8295734 | Rotational force transmitting parts | Takahito Ueno, Masanari Morioka, Masato Hisano | 2012-10-23 |
| 8280278 | Process cartridge, electrophotographic image forming apparatus, and electrophotographic photosensitive drum unit | Takahito Ueno, Masanari Morioka, Masato Hisano | 2012-10-02 |
| 8275286 | Process cartridge, electrophotographic image forming apparatus, and electrophotographic photosensitive drum unit | Takahito Ueno, Masanari Morioka, Masato Hisano | 2012-09-25 |
| 8270879 | Electrophotographic image forming apparatus | Tetsuya Numata, Takahito Ueno | 2012-09-18 |
| 8233821 | Cartridge, assembling method for cartridge, and disassembling method for cartridge | Takahito Ueno, Atsushi Takasaka | 2012-07-31 |
| 8155554 | Process cartridge and electrophotographic image forming apparatus | Takahito Ueno | 2012-04-10 |
| 7945185 | Process cartridge and electrophotographic image forming apparatus | Takahito Ueno | 2011-05-17 |
| 7840155 | Developing device and image forming apparatus | Masaaki Sato, Osamu Anan | 2010-11-23 |
| 7711287 | Cartridge and electrophotographic image forming apparatus | Eiichiro Kimizuka, Masayuki Fukuda | 2010-05-04 |
| 7702251 | Process cartridge and electrophotographic image forming apparatus | Takahito Ueno | 2010-04-20 |
| 7689146 | Electrophotographic image forming apparatus and process cartridge | Masaaki Sato, Kazuo Chadani | 2010-03-30 |
| 7664436 | Color electrophotographic image forming apparatus | Daisuke Aoki, Takahito Ueno | 2010-02-16 |
| 7580659 | Developing device and image forming apparatus | Masaaki Sato, Osamu Anan | 2009-08-25 |
| 7499663 | Electrophotographic image forming apparatus and process cartridge | Masaaki Sato, Kazuo Chadani | 2009-03-03 |
| 7450877 | Process cartridge and electrophotographic image forming apparatus | Takahito Ueno | 2008-11-11 |
| 7412193 | Developer feeding member, developing apparatus, process cartridge and developer feeding member mounting method | Masaaki Sato, Shinjiro Toba, Hiroomi Matsuzaki | 2008-08-12 |
| 7349657 | Developer feeding member, developing apparatus, process cartridge and developer feeding member mounting method | Masaaki Sato, Shinjiro Toba, Hiroomi Matsuzaki | 2008-03-25 |
| 7315710 | Electrophotographic photosensitive drum supporting apparatus, process cartridge and electrophotographic image forming apparatus | Takahito Ueno, Atsushi Numagami, Isao Koishi, Akiyoshi Fujita | 2008-01-01 |
| D555718 | Image forming apparatus | Shinjiro Toba, Takahito Ueno | 2007-11-20 |
| 7248810 | Cartridge, process cartridge, and electrophotographic image forming apparatus | Shinjiro Toba, Takahito Ueno | 2007-07-24 |
| 7224925 | Developer feeding member, developing apparatus, process cartridge and developer feeding member mounting method | Masaaki Sato, Shinjiro Toba, Hiroomi Matsuzaki | 2007-05-29 |
| 7212768 | Process cartridge and electrophotographic image forming apparatus | Atsushi Numagami, Shinjiro Toba | 2007-05-01 |
| 7184690 | Electrophotographic photosensitive drum supporting apparatus, process cartridge and electrophotographic image forming apparatus | Takahito Ueno, Atsushi Numagami, Isao Koishi, Akiyoshi Fujita | 2007-02-27 |
| 7164875 | Electrophotographic image forming apparatus having a plurality of mounting portions for detachably mounting a plurality process cartridges | Shinjiro Toba, Takahito Ueno | 2007-01-16 |