Issued Patents All Time
Showing 26–50 of 50 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8811834 | Image forming apparatus | — | 2014-08-19 |
| 8731420 | Image forming apparatus and methods of setting transfer current and forming image | — | 2014-05-20 |
| 8620188 | Image forming apparatus having a special color image mode | — | 2013-12-31 |
| 8488980 | Image forming apparatus capable of forming high quality toner image on uneven surface sheet | — | 2013-07-16 |
| 8340542 | Image forming apparatus for improving transfer efficiency and preventing image deterioration | — | 2012-12-25 |
| 8301064 | Image forming apparatus including pressers configured to press a receptor to image bearers downward in the vertical direction | — | 2012-10-30 |
| 8280283 | Heat transmission member included image forming apparatus | Hiromi Ogiyama | 2012-10-02 |
| 8275275 | Image forming apparatus | Emiko Ishikawa, Hiromi Ogiyama, Yasunobu Shimizu, Akio Kosuge, Jun Yura +4 more | 2012-09-25 |
| 8270885 | Image forming apparatus utilizing plural pressers of different weights and image forming method forming an image with the image forming apparatus | — | 2012-09-18 |
| 7813662 | Transfer unit and image forming apparatus using the unit | Tetsuya Muto | 2010-10-12 |
| 7639976 | Image forming apparatus | — | 2009-12-29 |
| 7610004 | Apparatus for detecting amount of toner deposit and controlling density of image, method of forming misalignment correction pattern, and apparatus for detecting and correcting misalignment of image | Shinji Kato, Yuuji Sawai, Hiromi Ogiyama, Shin Kayahara, Atsushi Takehara +1 more | 2009-10-27 |
| 7542713 | Image forming apparatus capable of effectively forming a quality image without causing a vermiculate-like false image | — | 2009-06-02 |
| 7298999 | Image forming apparatus providing an ideal contact pressure of a primary transfer unit | — | 2007-11-20 |
| 7280792 | Method for evaluating changes in resistance of electric resistance member and image forming apparatus using same | Yuuji Sawai, Yoshihiro Fujiwara, Shin Kayahara, Hiromi Ogiyama, Atsushi Takehara +1 more | 2007-10-09 |
| 7203433 | Apparatus for detecting amount of toner deposit and controlling density of image, method of forming misalignment correction pattern, and apparatus for detecting and correcting misalignment of image | Shinji Kato, Yuuji Sawai, Hiromi Ogiyama, Shin Kayahara, Atsushi Takehara +1 more | 2007-04-10 |
| 7162179 | Image forming apparatus | — | 2007-01-09 |
| 7003238 | Intermediate image transfer device for a color image forming apparatus | Yuuji Sawai, Hiromi Ogiyama, Atsushi Takehara, Shin Kayahara, Shinji Kato +1 more | 2006-02-21 |
| 5493136 | Field effect transistor and method of manufacturing the same | Ken-ichiro Matsuzaki, Shigeru Nakajima, Nobuhiro Kuwata, Kenji Otobe, Nobuo Shiga | 1996-02-20 |
| 4729618 | Integrated optic circuit | Yoshikazu Nishiwaki | 1988-03-08 |
| 4523635 | Metal hydride heat pump system | Tomoyoshi Nishizaki, Minoru Miyamoto, Kazuaki Miyamoto, Katsuhiko Yamaji, Yasushi Nakata | 1985-06-18 |
| 4457136 | Metal hydride reactor | Tomoyoshi Nishizaki, Minoru Miyamoto, Kazuaki Miyamoto, Kathuhiko Yamaji, Yasushi Nakata | 1984-07-03 |
| 4422500 | Metal hydride heat pump | Tomoyoshi Nishizaki, Minoru Miyamoto, Kazuaki Miyamoto, Katuhiko Yamaji, Yasushi Nakata | 1983-12-27 |
| 4409799 | Heat pump device | Tomoyoshi Nishizaki, Minoru Miyamoto, Kazuaki Miyamoto, Katuhiko Yamaji, Yasushi Nakata | 1983-10-18 |
| 4402915 | Metal hydride reactor | Tomoyoshi Nishizaki, Kanzi Oguma, Katsuyoshi Sakagami | 1983-09-06 |