Issued Patents All Time
Showing 76–100 of 160 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9746826 | Process cartridge, electrophotographic image forming apparatus, and electrophotographic photosensitive drum unit | Shigeo Miyabe, Masanari Morioka | 2017-08-29 |
| 9733614 | Process cartridge, electrophotographic image forming apparatus, and electrophotographic photosensitive drum unit | Shigeo Miyabe, Masanari Morioka | 2017-08-15 |
| 9703257 | Electrophotographic image forming apparatus, developing apparatus, and coupling member | Masanari Morioka, Shigeo Miyabe | 2017-07-11 |
| 9684261 | Cartridge, and electrophotographic image forming apparatus which uses cartridge | Shigeo Miyabe, Masanari Morioka | 2017-06-20 |
| 9684276 | Cleaning apparatus, process cartridge and image forming apparatus | Teruhiko Sasaki, Toshiaki Takeuchi | 2017-06-20 |
| 9678471 | Process cartridge, electrophotographic image forming apparatus, and electrophotographic photosensitive drum unit | Shigeo Miyabe, Masanari Morioka, Masato Hisano | 2017-06-13 |
| 9594343 | Cartridge, mounting method for coupling member, and disassembling method for coupling member | Shigeo Miyabe, Atsushi Takasaka | 2017-03-14 |
| 9477201 | Cartridge, mounting method for coupling member, and disassembling method for coupling member | Shigeo Miyabe, Atsushi Takasaka | 2016-10-25 |
| 9291941 | Developer conveyance apparatus and process cartridge | Satoshi Tsuda | 2016-03-22 |
| 9195166 | Developer storage container having improved workability with mounted developer agitation member and manufacturing method thereof | Satoshi Tsuda | 2015-11-24 |
| 9182733 | Developer supply cartridge, process cartridge and image forming apparatus | Tadashi Horikawa, Sadaaki Tani | 2015-11-10 |
| 9176468 | Rotational force transmitting part | Shigeo Miyabe, Masanari Morioka, Masato Hisano | 2015-11-03 |
| 9176418 | Developer conveyance apparatus and process cartridge | Satoshi Tsuda | 2015-11-03 |
| 9110395 | Image forming apparatus and cartridge | Sadaaki Tani, Akinobu Hirayama, Takateru Ohkubo | 2015-08-18 |
| 8971753 | Process cartridge | — | 2015-03-03 |
| 8874004 | Developing device having movable coupling member for engagement to electrophotographic image forming apparatus | Atsushi Takasaka, Shigeo Miyabe | 2014-10-28 |
| 8688008 | Electrophotographic image forming apparatus, developing apparatus, and coupling member | Masanari Norioka, Shigeo Miyabe | 2014-04-01 |
| 8687994 | Cartridge with roller shaft having an exposed electroconductive portion | Yuuki Nakamura | 2014-04-01 |
| 8682215 | Process cartridge, electrophotographic image forming apparatus, and electrophotographic photosensitive drum unit | Shigeo Miyabe, Masanari Morioka, Masato Hisano | 2014-03-25 |
| 8676090 | Rotational force transmitting part | Shigeo Miyabe, Masanari Morioka, Masato Hisano | 2014-03-18 |
| 8670688 | Developing cartridge and process cartridge with grip portion of sealing member preventing mounting of cartridge | Tetsuya Numata | 2014-03-11 |
| 8630564 | Process cartridge electrophotographic image forming apparatus, and electrophotographic photosensitive drum unit | Shigeo Miyabe, Masanari Morioka, Masato Hisano | 2014-01-14 |
| 8626031 | Image forming apparatus | Shinjiro Toba, Shigeo Miyabe | 2014-01-07 |
| 8532533 | Rotational force transmitting part | Shigeo Miyabe, 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, Shigeo Miyabe, Shinjiro Toba | 2013-08-27 |