Issued Patents All Time
Showing 26–39 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7391990 | Waste developer collecting container for color image forming apparatus | Tomohiko Fujii, Susumu Murakami | 2008-06-24 |
| 7330678 | Waste developer collecting container for image forming apparatus | Susumu Murakami | 2008-02-12 |
| 7197263 | Developer storage device and image forming apparatus | Toshio Yamanaka, Toshiya Mikita | 2007-03-27 |
| 7156389 | Sheet feeder and image forming apparatus having the same | Tadasu Taniguchi, Mitsuyoshi Terada, Toshio Yamanaka, Osamu Fujimoto | 2007-01-02 |
| 6678491 | Optical electric charge removal device and image formation apparatus including the same | Eiichi Kido, Toshiaki Ino, Takayuki Yamanaka, Toshio Yamanaka, Mitsuyoshi Terada +2 more | 2004-01-13 |
| 6647228 | Image forming device | Koichi Nakamura, Koichi Yamauchi, Mitsuyoshi Terada, Tadasu Taniguchi, Yoshikazu Harada +1 more | 2003-11-11 |
| 6463235 | Light-sensitive drum mounting/demounting structure, light-sensitive unit provided with the same structure and image-forming device with the same unit | Toshio Yamanaka, Yoshiya Kinoshita, Naoyuki Harada | 2002-10-08 |
| 6421514 | Charging device | Toshio Yamanaka, Yoshiya Kinoshita, Naoyuki Harada | 2002-07-16 |
| 6188857 | Imaging forming apparatus provided with photoreceptor unit with internal gear unit, the protector unit with internal gear, and internal gear unit | Toshio Yamanaka, Yoshiharu Yoneda, Yasuji Yamauchi, Yasuo Kitabatake, Yoshikazu Harada | 2001-02-13 |
| 6175705 | Image forming apparatus | Yoshikazu Harada, Toshio Yamanaka, Ayumu Oda, Norio Tomita, Kyosuke Taka +2 more | 2001-01-16 |
| 6161446 | Image forming apparatus provided with photoreceptor unit with internal gear unit, the photoreceptor unit with internal gear, and internal gear unit | Toshio Yamanaka, Yoshiharu Yoneda, Yasuji Yamauchi, Yasuo Kitabatake, Yoshikazu Harada | 2000-12-19 |
| 5931460 | Sheet registering device | Tatsuya Inoue | 1999-08-03 |
| 5927148 | Image forming apparatus equipped with photoreceptor having an internal gear | Toshio Yamanaka, Yoshiharu Yoneda, Yasuji Yamauchi, Yasuo Kitabatake, Yoshikazu Harada | 1999-07-27 |
| 5587777 | Developing unit having interlocking mechanism | Takashi Miyaji, Yoshikazu Nishikawa, Yukinori Andou, Toshio Yamanaka | 1996-12-24 |