Issued Patents All Time
Showing 51–75 of 150 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9703257 | Electrophotographic image forming apparatus, developing apparatus, and coupling member | Masanari Morioka, Takahito Ueno | 2017-07-11 |
| 9684261 | Cartridge, and electrophotographic image forming apparatus which uses cartridge | Takahito Ueno, Masanari Morioka | 2017-06-20 |
| 9678471 | Process cartridge, electrophotographic image forming apparatus, and electrophotographic photosensitive drum unit | Takahito Ueno, Masanari Morioka, Masato Hisano | 2017-06-13 |
| 9594343 | Cartridge, mounting method for coupling member, and disassembling method for coupling member | Takahito Ueno, Atsushi Takasaka | 2017-03-14 |
| 9477201 | Cartridge, mounting method for coupling member, and disassembling method for coupling member | Takahito Ueno, Atsushi Takasaka | 2016-10-25 |
| 9176468 | Rotational force transmitting part | Takahito Ueno, Masanari Morioka, Masato Hisano | 2015-11-03 |
| 8874004 | Developing device having movable coupling member for engagement to electrophotographic image forming apparatus | Atsushi Takasaka, Takahito Ueno | 2014-10-28 |
| 8798501 | Cover member and cartridge | Naoki Hayashi | 2014-08-05 |
| 8688008 | Electrophotographic image forming apparatus, developing apparatus, and coupling member | Masanari Norioka, Takahito Ueno | 2014-04-01 |
| 8682215 | Process cartridge, electrophotographic image forming apparatus, and electrophotographic photosensitive drum unit | Takahito Ueno, Masanari Morioka, Masato Hisano | 2014-03-25 |
| 8676090 | Rotational force transmitting part | Takahito Ueno, Masanari Morioka, Masato Hisano | 2014-03-18 |
| 8630564 | Process cartridge electrophotographic image forming apparatus, and electrophotographic photosensitive drum unit | Takahito Ueno, Masanari Morioka, Masato Hisano | 2014-01-14 |
| 8626031 | Image forming apparatus | Shinjiro Toba, Takahito Ueno | 2014-01-07 |
| 8532533 | Rotational force transmitting part | Takahito Ueno, Masanari Morioka, Masato Hisano | 2013-09-10 |
| 8521060 | Cartridge with a protecting member and a sealing member for sealing a developer supply opening | Tetsuya Numata, Takahito Ueno, Shinjiro Toba | 2013-08-27 |
| 8494411 | Cartridge, mounting method for coupling member, and disassembling method for coupling member | Takahito Ueno, Atsushi Takasaka | 2013-07-23 |
| 8494399 | Process cartridge and electrophotrographic image forming apparatus | Takahito Ueno | 2013-07-23 |
| 8483589 | Developing device, developing cartridge, process cartridge and image forming apparatus | Tetsushi Uneme, Tetsuya Numata | 2013-07-09 |
| 8452210 | Rotational force transmitting part | Takahito Ueno, Masanari Morioka, Masato Hisano | 2013-05-28 |
| 8437669 | Electrophotographic image forming apparatus, developing apparatus, and coupling member | Masanari Morioka, Takahito Ueno | 2013-05-07 |
| 8433219 | Cartridge, mounting method for coupling member, and disassembling method for coupling member | Takahito Ueno, Atsushi Takasaka | 2013-04-30 |
| 8417152 | Process cartridge and image forming apparatus | Yoshifumi Takeyama, Tetsuya Numata | 2013-04-09 |
| 8391748 | Cartridge, assembling method for cartridge, and disassembling method for cartridge | Takahito Ueno, Atsushi Takasaka | 2013-03-05 |
| 8369748 | Image forming apparatus with developing cartridge having engaging portion | Takahito Ueno, Daisuke Aoki | 2013-02-05 |
| 8369722 | Image forming apparatus | Atsushi Takasaka, Daisuke Aoki | 2013-02-05 |