Issued Patents All Time
Showing 25 most recent of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12117767 | Image forming apparatus having plural dividing plates in a duct for guiding air | Yuya Otsuka, Hiroki Sato | 2024-10-15 |
| 11526128 | Image forming apparatus having duct with flow dividing plates | Yuya Otsuka, Hiroki Sato | 2022-12-13 |
| 9588475 | Sheet transport apparatus and image forming apparatus | Kiyoshi Watanabe | 2017-03-07 |
| 9152097 | Fixing apparatus | Koji Nojima | 2015-10-06 |
| 8998199 | Sheet stacking apparatus and image forming apparatus | — | 2015-04-07 |
| 8520265 | Engraving processing apparatus and image forming apparatus | Hideaki Kosasa, Masahiko Yokota, Wataru Kawata, Toshiro Tomono, Akihiro Shimizu +1 more | 2013-08-27 |
| 8301055 | Image forming apparatus with air cooling of sheets through multiple ducts | — | 2012-10-30 |
| 7980542 | Sheet processing apparatus and image forming apparatus | Wataru Kawata, Masahiko Yokota, Hideaki Kosasa, Akihiro Shimizu, Shoji Takeda +1 more | 2011-07-19 |
| 7758032 | Sheet processing apparatus and image forming apparatus | Wataru Kawata, Masahiko Yokota, Hideaki Kosasa, Akihiro Shimizu, Shoji Takeda +1 more | 2010-07-20 |
| 7403740 | Sheet feeding unit and image forming apparatus | — | 2008-07-22 |
| 7349639 | Image forming apparatus and management system | Takashi Yahagi | 2008-03-25 |
| 7277668 | Sheet feeding unit and image forming apparatus | — | 2007-10-02 |
| 7242878 | Image forming apparatus and management system | Takashi Yahagi | 2007-07-10 |
| 7192118 | Droplet ejecting head and droplet ejecting apparatus | Masakazu Okuda | 2007-03-20 |
| 6921149 | Liquid drop discharging head and liquid drop discharging device | Masakazu Okuda | 2005-07-26 |
| 6769680 | Sheet feeding apparatus and image forming apparatus equipped therewith | Ryukichi Inoue, Masayuki Fukuda | 2004-08-03 |
| 6719391 | Ink jet recording apparatus and ink jet recording method | — | 2004-04-13 |
| 6502816 | Sheet feeding apparatus and image forming apparatus having same | Ryukichi Inoue, Yoshiyuki Yamazaki, Yoshihiro Matsuo, Masayuki Fukuda | 2003-01-07 |
| 6450615 | Ink jet printing apparatus and method using a pressure generating device to induce surface waves in an ink meniscus | Yasuhiro Otsuka, Torahiko Kanda, Fuminori Takizawa, Masakazu Okuda, Hirofumi Nakamura | 2002-09-17 |
| 6439685 | Printing apparatus and method thereof | — | 2002-08-27 |
| 6375183 | Sheet feeding apparatus with inclined separation plane, and image forming apparatus having same | Ryukichi Inoue, Yoshihiro Matsuo | 2002-04-23 |
| 6328421 | Fluid drop projecting head using taper-shaped chamber for generating a converging surface wave | Yasuhiro Otsuka, Fuminori Takizawa | 2001-12-11 |
| 6308947 | Sheet feeding apparatus | Ryukichi Inoue, Yoshiyuki Yamazaki, Yoshihiro Matsuo | 2001-10-30 |
| 6196664 | Ink droplet eject apparatus and method | Torahiko Kanda, Yasuhiro Otsuka | 2001-03-06 |
| 6070867 | Sheet supplying apparatus | Yuzuru Tsurumi, Shigeru Okamura, Hiroyuki Ishii, Takeshi Niimura, Masahide Tanoue +1 more | 2000-06-06 |