TH

Toshiharu Hachisuka

Ricoh Company: 16 patents #1,360 of 9,818Top 15%
Overall (All Time): #293,869 of 4,157,543Top 8%
16
Patents All Time

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
10955777 Fixing device including at least one temperature detector and a device-side connector and image forming apparatus including same Seiji Saitoh, Hiroshi Seo, Yutaka Naitoh, Daisuke Inoue, Masao Katoh +4 more 2021-03-23
10788775 Fixing device and image forming apparatus including same Jun Okamoto, Seiji Saitoh, Yutaka Naitoh, Hiroshi Seo, Daisuke Inoue +4 more 2020-09-29
9727011 Image forming apparatus and image forming method Yutaka Ikebuchi, Hiroshi Yoshinaga, Takayuki Seki, Yuji Arai, Ryuuichi Mimbu +5 more 2017-08-08
9448514 Image forming apparatus and image forming method Yutaka Ikebuchi, Hiroshi Yoshinaga, Takayuki Seki, Yuji Arai, Ryuuichi Mimbu +5 more 2016-09-20
8666270 Image forming apparatus Keisuke Kubota, Atsushi Nagata, Takashi Kagami 2014-03-04
8346112 Cooling member included fixing device and image forming apparatus 2013-01-01
8195057 Image forming apparatus and fixing device used therein 2012-06-05
8073352 Image forming apparatus, and method of controlling warming-up time of image forming apparatus Hiroyuki Kunii, Ippei Fijimoto, Hiroshi Yoshinaga, Yasunori Ishigaya, Shinichi Namekata 2011-12-06
7912392 Image forming apparatus with glossy image printing mode Hiroshi Yoshinaga, Shinichi Namekata, Hiroyuki Kunii, Ippei Fujimoto, Yasunori Ishigaya 2011-03-22
7869729 Fixing device capable of providing stable quality of fixed image 2011-01-11
7672630 Image forming apparatus and image forming method with improved cleaning mechanism 2010-03-02
7313353 Fixing unit with heat-resisting resin base member and image forming toner for use in the fixing unit Masahiko Satoh, Masami Tomita, Setsuo Soga, Takahiro Yoshikawa, Yasuhiro Kohira +3 more 2007-12-25
7127204 Belt fixing unit with heat-resisting resin base member and image forming toner for use in the fixing unit Masahiko Satoh, Masami Tomita, Setsuo Soga, Takahiro Yoshikawa, Yasuhiro Kohira +3 more 2006-10-24
6865363 Method and apparatus for image forming capable of effectively performing an image fixing process Masamichi Yamada 2005-03-08
6577840 Method and apparatus for image forming capable of effectively performing an image fixing process Masamichi Yamada 2003-06-10
6405002 Image formation apparatus Hiromi Ogiyama, Yuji Sawai 2002-06-11