Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9561922 | Sheet feeding device and image forming apparatus | Takashi Hiratsuka, Takaaki Aoyagi, Yasumi Yoshida | 2017-02-07 |
| 9170542 | Image forming apparatus that transfers toner image onto sheet | Takashi Hiratsuka, Yasumi Yoshida, Takaaki Aoyagi | 2015-10-27 |
| 9126838 | Method for purifying chlorosilanes | Masayuki Hasegawa, Yoichi Tonomura, Tohru Kubota, Shuji Tanaka | 2015-09-08 |
| 8155576 | Sheet processing apparatus and image forming apparatus | Daijiro Kato, Katsuaki Hirai, Masahiro Funakoshi, Shoko Magata, Yuichi Yamamoto | 2012-04-10 |
| 8064105 | Image scanning device and image forming device | Ayumu Murakami, Shoko Magata, Yuichi Yamamoto, Takayuki Suga, Haruhisa Oshida | 2011-11-22 |
| 8014045 | Image scanner with image scanning device positioning | Ayumu Murakami, Shoko Magata, Yuichi Yamamoto | 2011-09-06 |
| 7942399 | Sheet processing apparatus and image forming apparatus having the same | Katsuaki Hirai, Shoko Magata, Yuichi Yamamoto, Masahiro Funakoshi, Daijiro Kato | 2011-05-17 |
| 7852527 | Image reader | — | 2010-12-14 |
| 7755812 | Image reading apparatus, and image expansion and contraction correcting method | Haruhisa Oshida, Shoko Magata, Ayumu Murakami, Yuichi Yamamoto, Takayuki Suga | 2010-07-13 |
| 7715060 | Image reading apparatus | Takayuki Suga, Hyoe Iwata, Yukihiro Miura, Takehiro Kishi | 2010-05-11 |
| 7713015 | Bookbinding apparatus and image forming system | Shoko Magata, Masahiro Funakoshi, Yuichi Yamamoto, Daijiro Kato | 2010-05-11 |
| 7691357 | Method for producing polycrystalline silicon | Takaaki Shimizu, Kyoji Oguro | 2010-04-06 |
| 7623275 | Image-reading apparatus | Ayumu Murakami, Shoko Magata, Yuichi Yamamoto | 2009-11-24 |
| 7577392 | Image reading apparatus and image forming apparatus provided with the same | Shoko Magata, Ayumu Murakami, Yuichi Yamamoto | 2009-08-18 |
| 7515312 | Image scanning device and image forming device | Ayumu Murakami, Shoko Magata, Yuichi Yamamoto, Takayuki Suga, Haruhisa Oshida | 2009-04-07 |
| 7463392 | Image reader and image forming apparatus | Yuichi Yamamoto, Haruhisa Oshida, Ayumu Murakami, Shoko Magata, Takayuki Suga | 2008-12-09 |
| 7420716 | Image reading apparatus | Hiroaki Takagishi, Takayuki Suga | 2008-09-02 |
| 7021543 | Image reader using off-axial optical system for imaging optical system | Hyoe Iwata, Yukihiro Miura, Takehiro Kishi, Takayuki Suga | 2006-04-04 |
| 6952290 | Sensing of original size | Katsuhiro Ishido, Nobuo Matsuoka, Akihiro Kashiwabara, Toshio Hayashi, Tsunao Honbo +2 more | 2005-10-04 |
| 6938667 | Automatic wind-up screen device | Noboru Sugiyama, Takashi Aoki, Naoto Sawaguchi | 2005-09-06 |
| 5760924 | Original scanning apparatus | Hiroyuki Takahara, Yoshimitsu Nakane | 1998-06-02 |
| 5628406 | Separating apparatus and image forming apparatus | Yasumi Yoshida, Masanari Shirai, Makoto Tanaka | 1997-05-13 |
| 5500726 | Fixing device with separation member capable of varying contact pressure | Yasumi Yoshida | 1996-03-19 |
| 5478066 | Sheet supply apparatus | Yasumi Yoshida, Makoto Tanaka, Hiroyuki Takahara, Ryusei Kominato, Shinsuke Ubayashi | 1995-12-26 |
| 5300987 | Image forming apparatus which reduces or eliminates density irregularity due to thermal deformation of a developing sleeve | Toru Katsumi | 1994-04-05 |