Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10710829 | Paper conveyance device, image forming apparatus, paper conveyance control method, and recording medium | Hiroshi Yamaguchi, Hitoshi Asano, Toshikazu Higashi | 2020-07-14 |
| 10075607 | Reading apparatus, reading method, and reading program | Hitoshi Asano, Katsuhide Sakai, Harumitsu Fujimori | 2018-09-11 |
| 9966767 | Charge control device and image forming apparatus including charge control device | Yuhei Tatsumoto, Satoshi Teshima | 2018-05-08 |
| 9362541 | Magnesium cell and magnesium cell system | Yuhei Tatsumoto, Yasutaka Tanimura, Hiroshi Hiraguchi | 2016-06-07 |
| 9350188 | Electronic device and power-source device | Takashi Hasebe, Hiroshi Hiraguchi, Mineo Yamamoto, Yuhei Tatsumoto | 2016-05-24 |
| 9207622 | Power controller and image forming apparatus | Yuhei Tatsumoto, Satoshi Teshima | 2015-12-08 |
| 9075381 | Image forming device and charging method for secondary battery | Hiroshi Hiraguchi, Takashi Hasebe, Yasutaka Tanimura, Yuhei Tatsumoto | 2015-07-07 |
| 9069552 | Image forming apparatus having plurality of power supplies to control power provided from a commercial power supply | Hiroshi Hiraguchi, Takashi Hasebe, Mineo Yamamoto, Yuhei Tatsumoto | 2015-06-30 |
| 8954777 | Electronic apparatus and image forming apparatus | Yuhei Tatsumoto, Takashi Hasebe, Yasutaka Tanimura, Hiroshi Eguchi, Hiroshi Hiraguchi | 2015-02-10 |
| 8731427 | Image forming apparatus performing control of changing targets of power supply from charging device | Hiroshi Eguchi, Shigeru Yamazaki, Yuhei Tatsumoto | 2014-05-20 |
| 8639366 | Control apparatus and image forming apparatus | Yuta Tachibana, Norihiko Nakano, Hiroyuki Watanabe | 2014-01-28 |
| 8629643 | Image forming apparatus having stepping motor arranged in conveying path for paper, and method for controlling stepping motor in image forming apparatus | Yuta Tachibana, Hiroyuki Watanabe, Norihiko Nakano | 2014-01-14 |
| 7913102 | Variable frequency clock output circuit and apparatus, motor driving apparatus, and image forming apparatus | Yuta Tachibana, Katsunori Takahashi, Toru Kasamatsu, Norihiko Nakano | 2011-03-22 |
| 7424264 | Image formation apparatus and image formation method | Akihiro Hayashi, Kenichi Hayashi, Hiroyuki Yoshikawa, Tatsuya Eguchi | 2008-09-09 |
| 6172696 | Image forming apparatus having photosensitive drum driven by stepping motor | Teruhiko Fujikura, Toshikazu Higashi, Akira Takasu | 2001-01-09 |
| 6166510 | Image forming apparatus | Toshikazu Higashi, Teruhiko Fujikura, Akira Takasu | 2000-12-26 |
| 6118963 | Method and apparatus for eliminating positional deviations of a photosensitive drum driven by a stepping motor which is by half steps | Teruhiko Fujikura, Toshikazu Higashi, Akira Takasu | 2000-09-12 |
| 5857137 | Image forming apparatus and method comprising refeeding unit with priority refeeding | Toshio Sakata, Masayoshi Kuroda, Taiichi Oominami | 1999-01-05 |
| 5590872 | Sheet reversing apparatus for a copying machine | Taiichi Oominami, Toshio Sakata, Masayoshi Kuroda, Masami Nakane, Kazuhiko Nakatsuka | 1997-01-07 |