Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11112734 | Belt device, belt regulator, roller unit, and image forming apparatus | Naohiro Kumagai, Masanari Fujita, Masaharu Furuya, Hiroki Nakamatsu, Yoshiki Hozumi | 2021-09-07 |
| 10955771 | Belt control device and image forming apparatus incorporating same | Naohiro Kumagai, Masanari Fujita, Masaharu Furuya, Hiroki Nakamatsu, Yoshiki Hozumi | 2021-03-23 |
| 8639174 | To-be-transferred object length measurement device and image forming apparatus and computer-readable storage medium | Masahiro Ashikawa, Tatsuya Watahiki, Minoru Takahashi, Hideyuki Takayama, Takahisa Koike +6 more | 2014-01-28 |
| 8548345 | Image forming apparatus with transfer nip adjustment function | Ryuichi Minbe, Kenji Sengoku, Junpei Fujita, Osamu Ichihashi | 2013-10-01 |
| 8433221 | Image forming apparatus with transfer nip adjustment function | Ryuichi Minbe, Kenji Sengoku, Junpei Fujita, Osamu Ichihashi | 2013-04-30 |
| 7764918 | Cleaning device and image forming apparatus | — | 2010-07-27 |
| 7532370 | Optical encoder, motor driver and image forming apparatus | Koichi Kudo, Takuroh Kamiya, Ryuuichi Mimbu, Junya Takigawa, Toshiyuki Andoh +1 more | 2009-05-12 |
| 7379683 | Mark detector, drive controller, belt drive unit, and image forming apparatus | Takuro Kamiya, Koichi Kudo | 2008-05-27 |
| 7346287 | Transfer device for forming a stable transfer electric field, and an image forming apparatus including the transfer device | Hiromi Ogiyama, Kohki Katoh, Akihiro Sugino, Mitsuru Takahashi, Yuuji Sawai | 2008-03-18 |
| 7286779 | Apparatus for suppressing deformations in a belt of an image forming device | — | 2007-10-23 |
| 7233761 | Method and apparatus for transferring multiple toner images and image forming apparatus | — | 2007-06-19 |
| 6947693 | Image forming apparatus including rotary member speed detection mechanism | Takuroh Kamiya, Junya Takigawa, Yoshihiro Sakai, Ryuuichi Mimbu, Toshiyuki Andoh +1 more | 2005-09-20 |
| 6901234 | Image forming apparatus including an intermediate image transfer belt and high resistance contact member | Hiromi Ogiyama, Shin Kayahara, Ryuuichi Minbu, Yuuji Sawai, Mitsuru Takahashi +2 more | 2005-05-31 |
| 6829450 | Transfer bias applying method for an image forming apparatus and device for the same | Takahiro Tamiya, Akihiro Sugino, Hiromi Ogiyama, Kohki Katoh, Mitsuru Takahashi +1 more | 2004-12-07 |
| 6785500 | Image forming apparatus including image transfer body with elastic layer and coating layer | Mitsuru Takahashi, Yuuji Sawai, Hiromi Ogiyama, Akihiro Sugino, Kohki Katoh | 2004-08-31 |
| 6741821 | Image forming apparatus, and process cartridge for use in image forming apparatus | Akihiro Sugino, Yuuji Sawai, Mitsuru Takahashi, Kohki Katoh, Hiromi Ogiyama +1 more | 2004-05-25 |
| 6697595 | Method and apparatus for forming an image with no degradation | Toshiaki Motohashi, Yuuji Sawai, Shin Kayahara, Ryuta Takeichi, Mitsuru Takahashi +2 more | 2004-02-24 |
| 6618565 | Transfer bias applying method for an image forming apparatus and device for the same | Takahiro Tamiya, Akihiro Sugino, Hiromi Ogiyama, Kohki Katoh, Mitsuru Takahashi +1 more | 2003-09-09 |
| 6212351 | Image transferring method and image forming apparatus for transferring toner image from image carrier to recording medium either via or carried on intermediate image transfer belt | Shin Kayahara, Yasunori Kawaishi | 2001-04-03 |
| 6163661 | Electrostatic image forming apparatus capable of reducing defective image transfer caused by free toner particles deposited on a corona discharger | Shinichi Namekata, Yuji Sawai, Toshiaki Motohashi | 2000-12-19 |
| 5983060 | Image forming apparatus which removes a surface potential of an intermediate transfer member | Shin-Ichi Namekata, Hideo Yuu, Satoru Uchida, Mitsuru Takahashi, Hiroshi Ono +1 more | 1999-11-09 |
| 5890030 | Electrostatic image forming apparatus | Shinichi Namekata, Yuji Sawai, Toshiaki Motohashi | 1999-03-30 |
| 5442428 | Image recording apparatus | Mitsuru Takahashi, Yasunori Kawaishi, Hideo Yu, Toshiaki Motohashi, Hideki Kamiyama | 1995-08-15 |