Issued Patents All Time
Showing 26–50 of 61 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9317008 | Image forming apparatus employing cleanerless system | Takeshi Bito, Hiroki Mori | 2016-04-19 |
| 9280082 | Developing device | Masatoshi Shiraki, Hiroki Mori | 2016-03-08 |
| 9268261 | Developing device for preventing toner leakage | Hiroki Mori | 2016-02-23 |
| 9250603 | Developing cartridge and process cartridge for stably rotating developing roller | Hiroki Mori | 2016-02-02 |
| 9239975 | Image forming apparatus performing a delay process when a number of sheets printed in a unit of time is equal to or greater than a reference number | Masahito Saeki | 2016-01-19 |
| 9217743 | Screening method utilizing thalidomide-targeting factor | Hideki Ando, Takumi Itoh, Kentaro Hotta | 2015-12-22 |
| 9164420 | Developing device having seal member and recess portion in the developing roller | — | 2015-10-20 |
| 9139816 | Viral particle-like structure in physiological conditions, and method of forming it | Akira Nakanishi, Masaaki Kawano | 2015-09-22 |
| 9116463 | Seal configuration for suppressing developer leakage in a developing device | Soun Kanada | 2015-08-25 |
| 9109043 | Screening method for antidiabetic agent using newly identified insulin secretion regulation factor | Takeshi Imai | 2015-08-18 |
| 9091960 | Developing device for preventing toner leakage | Hiroki Mori | 2015-07-28 |
| 9069280 | Developing cartridge and process cartridge for stably rotating developing roller | Hiroki Mori | 2015-06-30 |
| 9026004 | Developing cartridge and process cartridge for stably rotating developing roller | Hiroki Mori | 2015-05-05 |
| 9020395 | Developing cartridge and process cartridge for stably rotating developing roller | Hiroki Mori | 2015-04-28 |
| 8923711 | Image forming apparatus configured to control a transfer bias | — | 2014-12-30 |
| 8852555 | Process for production of surface-coated inorganic particles | Mamoru Hatakeyama, Masanori Abe, Satoshi Sakamoto, Yuka Masaike, Kosuke Nishio +2 more | 2014-10-07 |
| 8855524 | Developing apparatus, process cartridge and image forming apparatus | Keigo Nakajima | 2014-10-07 |
| 8781377 | Developing device | Masatoshi Shiraki, Hiroki Mori | 2014-07-15 |
| 8682216 | Developing cartridge and process cartridge for stably rotating developing roller | Hiroki Mori | 2014-03-25 |
| 8494419 | Processing unit including developing roller having roller body and covering layer covering circumferential surface of roller body, and supporting member that supports developing roller | Masatoshi Shiraki | 2013-07-23 |
| 8437667 | Developing apparatus capable of stirring old and new developer and image forming apparatus having the developing apparatus | — | 2013-05-07 |
| 8412065 | Image forming apparatus with developing roller cleaning capability | Masatoshi Shiraki, Hiroki Mori | 2013-04-02 |
| 8399022 | Spherical ferrite nanoparticles and method for producing the same | Masanori Abe, Takashi Nakagawa, Masaru Tada, Ryuichi Shimazu, Toshiyuki Tanaka | 2013-03-19 |
| 8394413 | Spherical ferrite nanoparticles and method for producing the same | Masanori Abe, Takashi Nakagawa, Masaru Tada, Ryuichi Shimazu, Toshiyuki Tanaka | 2013-03-12 |
| 8346130 | Image forming apparatus and a method of cleaning photosensitive drum surface | Kumiko Suzuki | 2013-01-01 |