TI

Tomoya Ichikawa

Brother Kogyo: 28 patents #275 of 2,767Top 10%
FI Fujifilm Business Innovation: 25 patents #254 of 5,238Top 5%
BI Brother Industries: 4 patents #95 of 325Top 30%
Nsk: 3 patents #483 of 1,559Top 35%
Overall (All Time): #38,452 of 4,157,543Top 1%
60
Patents All Time

Issued Patents All Time

Showing 26–50 of 60 patents

Patent #TitleCo-InventorsDate
10663916 Image forming apparatus Shougo Sato 2020-05-26
10649366 Developing cartridge including supply roller, layer thickness regulation blade, and supply electrode electrically connected to both supply roller and layer thickness regulation blade Atsushi Fukaya, Koji Abe, Naoya Kamimura 2020-05-12
10466646 Process cartridge and image forming apparatus Takashi Shimizu, Masaaki Furukawa, Naoya Kamimura, Takashi Yasuda, Masanari Yoshikawa +1 more 2019-11-05
10379492 Developing cartridge providing layout of electrodes and detection gear Keita Shimizu, Takashi Shimizu, Kazuna Taguchi 2019-08-13
D849131 Toner cartridge Takashi Shimizu, Naoya Kamimura, Koji Abe, Hideshi Nishiyama, Keita Shimizu +2 more 2019-05-21
10241467 Developing cartridge providing layout of electrodes and detection gear Keita Shimizu, Takashi Shimizu, Kazuna Taguchi 2019-03-26
10108130 Developer cartridge having developer electrode Takashi Shimizu 2018-10-23
9964922 Developing cartridge providing layout of electrodes and detection gear Keita Shimizu, Takashi Shimizu, Kazuna Taguchi 2018-05-08
9829086 Pulley apparatus Minoru Tahara 2017-11-28
9488950 Contact member, image holding member, and image forming apparatus Yu Tsuda 2016-11-08
9273772 Pulley apparatus Minoru Tahara 2016-03-01
8761632 Image forming apparatus and rotary developing device Yuri Takeuchi 2014-06-24
8744310 Detachable unit and image forming apparatus Taro Mitsui, Hirohisa Hoshino, Tatsuya Soga, Ryouta Kubo 2014-06-03
8718531 Cleaning apparatus having damping unit to regulate vibration Yuzo Ichikawa, Akiko Kimura 2014-05-06
8682221 Discharger and image forming apparatus Yuzo Ichikawa 2014-03-25
8682186 Image forming device comprising charging device having plural discharge portions Akiko Kimura 2014-03-25
8634755 Cleaning unit, image carrier unit, and image forming apparatus Akiko Kimura, Yuzo Ichikawa, Takahiro Shinkawa, Masaaki Tokunaga, Tsuneo Fukuzawa +2 more 2014-01-21
8588640 Electrical connection structure, electrical connection method, electrical connection member, and image forming apparatus Ryouta Kubo, Hirohisa Hoshino 2013-11-19
8577247 Discharger and image forming apparatus having an electrode cleaning detection member Akiko Kimura, Kanji Watanabe, Yuzo Ichikawa 2013-11-05
8543028 Maintenance system, cleaning system, and image forming apparatus Akiko Kimura 2013-09-24
8509671 Cleaner and image forming apparatus Akiko Kimura, Yuzo Ichikawa, Takahiro Shinkawa, Hirohisa Hoshino, Toshiyuki Matsui 2013-08-13
8385769 Image forming apparatus having a plurality of cleaning members and computer readable medium for the same Yoji Yamaguchi 2013-02-26
8280296 Powder transporting device and image forming apparatus Tadashi Ishikawa 2012-10-02
8195079 Collection device and image forming apparatus Mihoko Tanaka, Satoshi Shigezaki, Tatsuya Soga 2012-06-05
8135326 Image forming apparatus Shigeo Ohno, Yoji Yamaguchi, Kuniaki Tanaka 2012-03-13