Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9857770 | Air blowing system and image forming apparatus including same | Masatsugu Hatanaka, Hisashi Yamanaka | 2018-01-02 |
| 9465359 | Air blowing system and image forming apparatus including same | Masatsugu Hatanaka, Hisashi Yamanaka | 2016-10-11 |
| 7881622 | Image forming apparatus | Haruo Sayama, Yasushi Matsutomo, Michihiro Yamashita, Yuriko Kamei, Yasuhiro Takai | 2011-02-01 |
| 7778556 | Toner supply device, image forming apparatus and toner shortage detecting method | Yasunobu Ohkawa, Jinichi Nagata, Yasuhiro Takai | 2010-08-17 |
| 7520504 | Paper processing device, paper processing method and image forming apparatus | Yasushi Matsutomo, Haruo Sayama, Michihiro Yamashita, Yuriko Kamei, Yasuhiro Takai | 2009-04-21 |
| 7444115 | Two-side image forming apparatus | Yasuaki Fukada, Takashi Makiura, Takashi Kubo, Showtaro Okamoto, Yoshiyuki Nagai | 2008-10-28 |
| 7280947 | Gear-driving-system designing system | Yoshinobu Okumura, Tomohiko Okada | 2007-10-09 |
| 6192153 | Image processing device | Michiyuki Suzuki, Yoshinori Hayashi | 2001-02-20 |
| 6085063 | Digital image forming apparatus | Yoshinori Hayashi, Michiyuki Suzuki | 2000-07-04 |
| 5915691 | Document feeder and cover for an image forming apparatus | Masanobu Deguchi, Takahiro Fukunaga, Masakiyo Okuda, Junichi Kajiwara, Yukinari Sato +5 more | 1999-06-29 |