Issued Patents All Time
Showing 1–25 of 83 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12070844 | Hydraulic hammering device | Tsutomu Kaneko, Isao Kobayashi, Atsushi Shioda, Shinsuke Nagano | 2024-08-27 |
| 11590642 | Hydraulic hammering device | Tsutomu Kaneko, Isao Kobayashi, Atsushi Shioda, Shinsuke Nagano | 2023-02-28 |
| 10493610 | Hydraulic hammering device | Masahiro Koizumi, Toshio Matsuda, Tomohiro Goto, Shunsuke Echigoya | 2019-12-03 |
| 9465333 | Recording material conveying device and image forming apparatus | — | 2016-10-11 |
| 9195175 | Transfer device | — | 2015-11-24 |
| 9025985 | Image forming apparatus | Ginga Nakamura, Toshiki Takiguchi | 2015-05-05 |
| 8971731 | Recording material conveying device and image forming apparatus | — | 2015-03-03 |
| 8855513 | Image forming apparatus | Toshiki Takiguchi | 2014-10-07 |
| 8818240 | Transfer device | — | 2014-08-26 |
| 8355659 | Fixing device and image forming apparatus having same | Toshiaki Kagawa, Masashi Hirai, Atsushi Ide, Takashi Mukai | 2013-01-15 |
| 8292297 | Sheet separation mechanism and image forming apparatus with first and second biasing members | — | 2012-10-23 |
| 8295726 | Fixing device, image forming apparatus, and method for controlling fixing device | Toshiaki Kagawa, Masashi Hirai, Atsushi Ide, Takashi Mukai | 2012-10-23 |
| 7917071 | Transfer belt unit and image forming apparatus using the same | Masashi Hirai, Mikio Kakui, Yoshiaki Masuda, Kuniaki Nakano, Kazuaki Ishikawa +1 more | 2011-03-29 |
| 7856194 | Intermediate transfer unit-mounting and dismounting mechanism and intermediate transfer unit-mounting and dismounting method | — | 2010-12-21 |
| 7796919 | Image forming apparatus capable of preventing worsening of image quality caused by excessively charged developer | Yoshiaki Kojoh, Takahisa Narikiyo, Kuniaki Nakano, Yoshie Iwakura | 2010-09-14 |
| 7684735 | Charging apparatus and image forming apparatus | Toshiaki Ino, Syouichi Fujita, Yasuhiro Nishimura | 2010-03-23 |
| 7653325 | Electrostatic charger | Minoru Tomiyori, Seiichii Kizu | 2010-01-26 |
| 7653319 | Image forming apparatus that adds a toner image to a non-image area of a photoreceptor to prevent warping of cleaning blade | Masanobu Yamamoto | 2010-01-26 |
| 7620358 | Developer collecting apparatus having tiltable waste developer container | Hideaki Kadowaki | 2009-11-17 |
| 7515838 | Developer collecting device and image forming apparatus having the same | Hideaki Kadowaki | 2009-04-07 |
| 7512355 | Ozone exhaust system for image forming apparatus | Tomohiko Fujii, Takashi Hori | 2009-03-31 |
| 7418234 | Image forming apparatus | Minoru Tomiyori, Hideshi Izumi, Takahisa Narikiyo, Kuniaki Nakano, Yoshie Iwakura | 2008-08-26 |
| 7403738 | Developer collecting apparatus and image forming apparatus having the same | Hideaki Kadowaki, Yasuhiro Takai | 2008-07-22 |
| 7398041 | Color image forming apparatus using base-layer | Yoshie Iwakura, Kuniaki Nakano | 2008-07-08 |
| 7392007 | Intermediate transfer system and method for cleaning intermediate transfer belt | Kuniaki Nakano, Takahiro Fukunaga | 2008-06-24 |