Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10185246 | Powder material storage container and image forming apparatus | Ryo Fukuno, Keisuke Kubo, Kenjo Nagata, Toshiaki Suzuki, Daisuke UCHIMITSU | 2019-01-22 |
| 10108109 | Developing device and image forming apparatus | Shunichiro Shishikura, Toshiaki Suzuki, Hiroaki Okuma, Daisuke UCHIMITSU, Ryo Fukuno | 2018-10-23 |
| 9996036 | Image forming apparatus capable of reducing image banding | Yu Tsuda, Shigemi Murata | 2018-06-12 |
| 9482991 | Image forming apparatus for transporting collected toner and new toner with reduced clogging | Ryota Kubo, Kiyotoshi Kaneyama, Kuniaki Tanaka, Yoshinobu Kariya, Hideaki Ozawa +3 more | 2016-11-01 |
| 9244376 | Developing device | Shinichi Kuramoto, Ryota Tomishi, Shinji Okuyama | 2016-01-26 |
| 9195168 | Developing device and image forming apparatus | Shinichi Kuramoto, Hiroaki Okuma, Ryota Tomishi, Shinji Okuyama, Kiyohito HORII +3 more | 2015-11-24 |
| 9128418 | Developing device and image forming apparatus | Hiroaki Okuma, Toshiaki Suzuki, Kiyohito HORII | 2015-09-08 |
| 8805249 | Image forming apparatus | Makoto Kanno, Yuji Sakoda, Kiyohito HORII | 2014-08-12 |
| 7917064 | Charge roll, process cartridge, image forming apparatus, charging method, and cleaning method of charge roll | Yuki Nagamori, Mikio Yamaguchi, Mitsuo Yamamoto | 2011-03-29 |
| 7826771 | Electrostatic latent image holder unit and image forming apparatus using the same | Mitsuo Yamamoto, Katsuya Takenouchi, Junichi Ichikawa | 2010-11-02 |
| 7706713 | Image forming apparatus and cleaning method therefor | Yuji Terai | 2010-04-27 |
| 7474864 | Cleaning device and image forming apparatus | Masanori Kobayashi, Mitsuo Yamamoto | 2009-01-06 |
| 7024125 | Charging device and image forming apparatus | Koya Tanaka | 2006-04-04 |
| 6684042 | Charging device and image forming apparatus using the same | Yuki Nagamori, Yutaka Kanai, Yasuo Takayama | 2004-01-27 |
| 6243550 | Compact image formation system having a plurality of paper trays | Takashi Fuchiwaki, Nobukazu Takahashi, Kazunori Numao, Fumio Furusawa, Junichiro Sameshima +2 more | 2001-06-05 |
| 6222606 | Duplex imaging apparatus | Takashi Fuchiwaki, Akihisa Maruyama, Katsuya Takenouchi, Keitaro Sonoguchi, Yasutaka Naito +6 more | 2001-04-24 |
| 6173136 | Fuser for two-sided imager | Takashi Fuchiwaki, Akihisa Maruyama, Katsuya Takenouchi, Keitaro Sonoguchi, Yasutaka Naito +6 more | 2001-01-09 |
| 6078762 | Image formation apparatus for document production or reproduction | Takashi Fuchiwaki, Nobukazu Takahashi, Kazunori Numao, Fumio Furusawa, Junichiro Sameshima +2 more | 2000-06-20 |
| 5842081 | Method and apparatus for charging an electrographic photoreceptor | Yoichi Kaname, Akio Arai, Ryuji Katsuno, Yoshitaka Kuroda, Jin Iwasaki | 1998-11-24 |