HK

Hiroyuki Kunii

Ricoh Company: 32 patents #573 of 9,818Top 6%
UI Ube Industries: 1 patents #895 of 1,686Top 55%
Canon: 1 patents #14,899 of 19,416Top 80%
Overall (All Time): #103,437 of 4,157,543Top 3%
34
Patents All Time

Issued Patents All Time

Showing 1–25 of 34 patents

Patent #TitleCo-InventorsDate
9696654 Image forming apparatus comprising image density detector and toner concentration detector Masayoshi Nakayama, Takuma Higa, Masaki Sukesako, Kazuaki Kamihara, Yuichi Aizawa +2 more 2017-07-04
9488931 Image forming apparatus Makoto Yasuda, Jun Hitosugi, Takamasa Ozeki, Mutsuki Morinaga, Emiko Shiraishi +14 more 2016-11-08
9229399 Image forming apparatus and method having a forcible toner consumption process Kazuaki Kamihara, Toshihiro Sugiyama, Takuma Higa, Masayoshi Nakayama, Masaki Sukesako +1 more 2016-01-05
9229412 Gloss applier and image forming apparatus incorporating same Akiyasu Amita 2016-01-05
8971787 Paper edge cleaner and image forming apparatus using the paper edge cleaner 2015-03-03
8892015 Fixing device and image forming apparatus incorporating same Akiyasu Amita 2014-11-18
8849172 Glossing device, fixing device, and image forming apparatus incorporating same Akiyasu Amita, Kunihiko Tomita, Satoshi Muramatsu 2014-09-30
8774692 Fixing device and image forming apparatus incorporating same Satoshi Muramatsu, Kunihiko Tomita, Akiyasu Amita 2014-07-08
8755730 Glossing device and image forming apparatus incorporating same Akiyasu Amita, Satoshi Muramatsu, Kunihiko Tomita 2014-06-17
8724178 Image forming apparatus Akiyasu Amita, Shuntaroh Tamaki 2014-05-13
8688021 Glossing device, fixing device, and image forming apparatus incorporating same Akiyasu Amita, Satoshi Muramatsu, Kunihiko Tomita 2014-04-01
8655253 Glossing device and image forming apparatus incorporating same Akiyasu Amita 2014-02-18
8401452 Fixing device with gloss control unit and image forming apparatus Akiyasu Amita, Shuntaroh Tamaki 2013-03-19
8358945 Fixing device, image forming apparatus including same, and control method for fixing device 2013-01-22
8331839 Gloss applicator and image forming apparatus Akiyasu Amita, Shuntaroh Tamaki 2012-12-11
8073352 Image forming apparatus, and method of controlling warming-up time of image forming apparatus Ippei Fijimoto, Hiroshi Yoshinaga, Toshiharu Hachisuka, Yasunori Ishigaya, Shinichi Namekata 2011-12-06
7912392 Image forming apparatus with glossy image printing mode Hiroshi Yoshinaga, Shinichi Namekata, Toshiharu Hachisuka, Ippei Fujimoto, Yasunori Ishigaya 2011-03-22
7738827 Image forming apparatus with toner image fixing unit, and the fixing method thereof Yukimichi Someya, Takashi Fujita, Hisashi Kikuchi, Katsuhiro Echigo, Shigeo Kurotaka +2 more 2010-06-15
7570911 Image forming method and apparatus for fixing an image Atsushi Nakafuji, Yukimichi Someya, Katsuhiro Echigo, Takashi Fujita, Hisashi Kikuchi +2 more 2009-08-04
7526242 Transferring apparatus and image forming apparatus Hiromitsu Takagaki, Takashi Fujita, Atsushi Nakafuji, Hirohmi Tamura, Kohji Ue 2009-04-28
7433641 Fixing member, fixing device, and image forming apparatus Hisashi Kikuchi, Toshihiko Baba, Shigeo Kurotaka, Atsushi Nakafuji, Yukimichi Someya +2 more 2008-10-07
7369803 Fixing device and image forming apparatus using the same Katsuhiro Echigo, Takashi Fujita, Shigeo Kurotaka, Hisashi Kikuchi, Yukimichi Someya +3 more 2008-05-06
7333760 Fixing device with temperature control Toshihiko Baba, Shigeo Kurotaka, Katsuhiro Echigo, Takashi Fujita, Hisashi Kikuchi +3 more 2008-02-19
7299003 Fixing unit and image forming apparatus providing a quick start-up and reduction in energy consumption Shigeo Kurotaka, Masami Tomita, Katsuhiro Echigo, Takashi Fujita, Toshihiko Baba +4 more 2007-11-20
7269384 Transfer-fixing unit with a surface layer of predefined hardness for use in an image forming apparatus Yukimichi Someya, Takashi Fujita, Atsushi Nakafuji, Katsuhiro Echigo, Shigeo Kurotaka +5 more 2007-09-11