Issued Patents All Time
Showing 1–25 of 46 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9025994 | Image forming apparatus | Takeshi Yamashita, Yasuhiro Fujiwara | 2015-05-05 |
| 8983323 | Color image forming apparatus with a line velocity difference set between image carriers | Takeshi Yamashita, Yuji Nagatomo, Naoki Nakatake, Yasuhiro Fujiwara, Takafumi Miyazaki +5 more | 2015-03-17 |
| 8472817 | Image forming apparatus | Rumi Konishi, Yoshinori Shirasaki | 2013-06-25 |
| 7796919 | Image forming apparatus capable of preventing worsening of image quality caused by excessively charged developer | Susumu Murakami, Yoshiaki Kojoh, Takahisa Narikiyo, Kuniaki Nakano | 2010-09-14 |
| 7734235 | Image forming apparatus including a metallic driving roller | Atsushi Takehara, Akihiro Kawasaki, Tomoya Adachi, Takafumi Miyazaki | 2010-06-08 |
| 7636539 | Tandem intermediate-transfer type image forming apparatus | Akihiro Kawasaki, Atsushi Takehara, Takafumi Miyazaki, Tomoya Adachi | 2009-12-22 |
| 7587159 | Image forming method and apparatus including a relationship between secondary roller diameter and recording medium ingress position | Kazuoki Fuwa, Masayuki Hagi, Yoshihiro Mikuriya, Hideaki Yasunaga, Hiroaki Kato +1 more | 2009-09-08 |
| 7428400 | Primary transfer unit of image forming apparatus | Akihiro Kawasaki, Atsushi Takehara, Takafumi Miyazaki, Tomoya Adachi | 2008-09-23 |
| 7418234 | Image forming apparatus | Susumu Murakami, Minoru Tomiyori, Hideshi Izumi, Takahisa Narikiyo, Kuniaki Nakano | 2008-08-26 |
| 7415218 | Image forming apparatus having charging unit with separate intake and exhaust ducts | Takashi Hori, Kuniaki Nakano, Tomohiko Fujii | 2008-08-19 |
| 7398041 | Color image forming apparatus using base-layer | Susumu Murakami, Kuniaki Nakano | 2008-07-08 |
| 7379694 | Belt transfer apparatus and image forming device | Toshiki Takiguchi, Yoko Sawa, Hirokazu Yamauchi, Yoshiaki Masuda, Hiroshi Ishii | 2008-05-27 |
| 7369800 | Device for preventing contact between transfer body and transfer medium tail edge portion in image forming apparatus | Hideshi Izumi, Susumu Murakami, Minoru Tomiyori, Tomohiko Fujii | 2008-05-06 |
| 7330686 | Color image forming apparatus including a voltage attenuating intermediate transfer belt | Kuniaki Nakano, Susumu Murakami | 2008-02-12 |
| 7305207 | Cleaning system | Susumu Murakami, Kuniaki Nakano | 2007-12-04 |
| 7280788 | Image forming apparatus and transferring method | Kuniaki Nakano | 2007-10-09 |
| 7254359 | Transfer apparatus and image forming apparatus | Susumu Murakami, Kuniaki Nakano | 2007-08-07 |
| 7251450 | Paper separator and processor cartridge | Susumu Murakami, Hideshi Izumi, Minoru Tomiyori | 2007-07-31 |
| 7245865 | Transfer apparatus and image forming apparatus | Susumu Murakami, Kuniaki Nakano | 2007-07-17 |
| 7236713 | Image forming device including secondary transfer counter roller switchable between ground and electrically floating states to facilitate removal of recording medium from intermediate transfer member | Susumu Murakami, Kuniaki Nakano | 2007-06-26 |
| 7221883 | Electrostatic image transfer device using intermediate transfer belt having simplified image transfer voltage requirements | Susumu Murakami, Takahiro Fukunaga, Kuniaki Nakano, Hideshi Izumi, Minoru Tomiyori | 2007-05-22 |
| 7218874 | Image forming apparatus and method for controlling fixing mechanism portion | Minoru Tomiyori, Akira Kohno, Hideshi Izumi, Susumu Murakami | 2007-05-15 |
| 7215914 | Transfer device | Susumu Murakami, Takahiro Fukunaga, Kuniaki Nakano, Hideshi Izumi, Minoru Tomiyori | 2007-05-08 |
| 7164877 | Image forming apparatus | Susumu Murakami, Takahiro Fukunaga, Masanori Yamada, Kuniaki Nakano | 2007-01-16 |
| 7159862 | Sheet delivery mechanism for image forming apparatus | Yasushi Matsutomo, Yoshiaki Hiramoto, Susumu Murakami, Hideshi Izumi, Motokazu Nakao +2 more | 2007-01-09 |