TF

Tomohiko Fujii

Ricoh Company: 20 patents #1,076 of 9,818Top 15%
Sharp Kabushiki Kaisha: 5 patents #3,007 of 10,731Top 30%
Bridgestone: 1 patents #1,586 of 2,860Top 60%
SC Sanyo Electric Co.: 1 patents #3,644 of 6,347Top 60%
📍 Kasai, JP: #244 of 5,842 inventorsTop 5%
Overall (All Time): #146,636 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 1–25 of 27 patents

Patent #TitleCo-InventorsDate
9817347 Fixing device, fixing method, and image forming apparatus Masahiro Samei, Tamotsu Ikeda, Yoshihiro Fukuhata, Minoru Toyoda, Yoshiharu Takahashi +1 more 2017-11-14
9791813 Fixing device and image forming apparatus Yoshihiro Fukuhata, Yuusuke Furuichi 2017-10-17
9740147 Separator, fixing device, and image forming apparatus Hitoshi Fujiwara, Tomoya Adachi, Masahiro Samei, Yutaka Naitoh, Yoshiharu Takahashi +3 more 2017-08-22
9720361 Belt device, fixing device, and image forming apparatus Yuusuke Furuichi, Yoshihiro Fukuhata 2017-08-01
9690242 Fixing device and image forming apparatus incorporating same Masahiro Samei, Yoshihiro Fukuhata, Tamotsu Ikeda, Minoru Toyoda, Yoshiharu Takahashi +1 more 2017-06-27
9568865 Belt device, fixing device, and image forming apparatus Yuusuke Furuichi, Yoshihiro Fukuhata 2017-02-14
9568869 Fixing device and image forming apparatus Yoshihiro Fukuhata, Yuusuke Furuichi 2017-02-14
9429891 Fixing device and image forming apparatus Shigeo Nanno, Yutaka Naitoh, Minoru Toyoda, Hitoshi Fujiwara 2016-08-30
9395660 Image forming apparatus and image forming method including forming a cleaning toner image Masahiro Samei, Yoshiharu Takahashi, Daisuke Inoue, Yoshihiro Fukuhata, Minoru Toyoda 2016-07-19
9342044 Fixing device and image forming apparatus and method of assembling the fixing device Yutaka Naitoh, Minoru Toyoda, Hitoshi Fujiwara, Tomoya Adachi, Yasuharu Kawarasaki +3 more 2016-05-17
9182709 Fixing device, image forming apparatus with same, and method of assembling fixing device Yutaka Naitoh, Shigeo Nanno, Minoru Toyoda, Hitoshi Fujiwara, Tomoya Adachi +2 more 2015-11-10
9164435 Fixing device and image forming apparatus Tomoya Adachi, Atsushi Takehara, Yutaka Naitoh, Minoru Toyoda, Hitoshi Fujiwara +9 more 2015-10-20
9113046 Tire contour measurement data correction method and tire visual inspection device Akinobu Mizutani 2015-08-18
9104150 Fixing unit, image forming apparatus incorporating the fixing unit, and image forming method Minoru Toyoda, Tomoya Adachi, Yutaka Naitoh, Yoshiharu Takahashi, Hitoshi Fujiwara +1 more 2015-08-11
9063486 Fixing device and image forming apparatus Shigeo Nanno, Yutaka Naitoh, Minoru Toyoda, Hitoshi Fujiwara 2015-06-23
9052652 Fixing device including a friction reducer and an image forming apparatus including the fixing device Shigeo Nanno, Minoru Toyoda, Hitoshi Fujiwara, Tomoya Adachi, Yasuharu Kawarasaki 2015-06-09
9046843 Fixing device and image forming apparatus Shigeo Nanno, Yutaka Naitoh, Minoru Toyoda, Hitoshi Fujiwara, Tomoya Adachi +1 more 2015-06-02
9008559 Fixing device with mechanism capable of heating belt effectively and image forming apparatus incorporating same Tomoya Adachi, Shigeo Nanno, Yutaka Naitoh, Minoru Toyoda, Hitoshi Fujiwara 2015-04-14
8938192 Fixing device having pipe heater and image forming apparatus with fixing device Yutaka Naitoh, Shigeo Nanno, Minoru Toyoda 2015-01-20
8693936 Fixing device and image forming apparatus incorporating same Shigeo Nanno, Yutaka Naitoh, Tomoya Adachi, Minoru Toyoda 2014-04-08
8583025 Image forming apparatus which decreases a sheet transportation speed difference between a registration device and a transfer device Tomoya Adachi, Masashi Yamamoto 2013-11-12
7884812 Liquid crystal projector Hisashi Nakamura 2011-02-08
7860410 Transfer device including detecting mechanism for detecting replacement belt unit and image forming apparatus using the same Hiroshi Tachiki, Kohichi Yamauchi 2010-12-28
7512355 Ozone exhaust system for image forming apparatus Susumu Murakami, Takashi Hori 2009-03-31
7415218 Image forming apparatus having charging unit with separate intake and exhaust ducts Takashi Hori, Kuniaki Nakano, Yoshie Iwakura 2008-08-19