IF

Ippei Fujimoto

Ricoh Company: 120 patents #18 of 9,818Top 1%
Overall (All Time): #9,982 of 4,157,543Top 1%
120
Patents All Time

Issued Patents All Time

Showing 101–120 of 120 patents

Patent #TitleCo-InventorsDate
8515324 Fixing device and image forming apparatus employing the fixing device Kenji Ishii, Naoki Iwaya, Akira Shinshi, Kenichi Hasegawa, Hiroshi Yoshinaga +6 more 2013-08-20
8498561 Fixing device and image forming apparatus incorporating same having a reinforcing member including first and second flanges Yoshiki Yamaguchi, Masaaki Yoshikawa, Kenji Ishii, Hiroshi Yoshinaga, Naoki Iwaya +7 more 2013-07-30
8489008 Fixing device and image forming apparatus incorporating same Naoki Iwaya, Masaaki Yoshikawa, Kenji Ishii, Hiroshi Yoshinaga, Tetsuo Tokuda +5 more 2013-07-16
8472855 Fixing device and image forming apparatus incorporating same Akira Shinshi, Masaaki Yoshikawa, Hiroshi Yoshinaga, Kenichi Hasegawa, Kenji Ishii +7 more 2013-06-25
8463168 Fixing device and image forming apparatus including same Akira Shinshi, Naoki Iwaya, Yoshiki Yamaguchi, Shuntaroh Tamaki, Hiroshi Yoshinaga +3 more 2013-06-11
8447220 Fixing device and image forming apparatus including same Yoshiki Yamaguchi, Masaaki Yoshikawa, Kenji Ishii, Naoki Iwaya, Tetsuo Tokuda +5 more 2013-05-21
8437675 Fixing device and image forming apparatus incorporating same having a laminated heater with a flexible heat generation sheet Kenji Ishii, Masaaki Yoshikawa, Hiroshi Yoshinaga, Naoki Iwaya, Yoshiki Yamaguchi +5 more 2013-05-07
8428501 Fixing device and image forming apparatus incorporating same Akira Shinshi, Yoshiki Yamaguchi, Kenichi Hasegawa, Masaaki Yoshikawa, Hiroshi Yoshinaga +6 more 2013-04-23
8428502 Belt-type fixing device and image forming apparatus using same Tetsuo Tokuda, Masaaki Yoshikawa, Akira Shinshi, Kenichi Hasegawa, Hiroshi Yoshinaga +6 more 2013-04-23
8406647 Fixing device including a radiation member to cool a fixing member and a heat conductive member Akira Shinshi, Yoshiki Yamaguchi, Kenichi Hasegawa, Masaaki Yoshikawa, Hiroshi Yoshinaga +8 more 2013-03-26
8401414 Fixing device and image forming apparatus incorporating same Masaaki Yoshikawa, Yoshiki Yamaguchi, Toshihiko Shimokawa, Kenji Ishii, Naoki Iwaya +7 more 2013-03-19
8401448 Fixing device and image forming apparatus incorporating same Yoshiki Yamaguchi, Kenichi Hasegawa, Masaaki Yoshikawa, Hiroshi Yoshinaga, Kenji Ishii +6 more 2013-03-19
8385804 Fixing device and image forming apparatus employing the fixing device Yoshiki Yamaguchi, Kenichi Hasegawa, Masaaki Yoshikawa, Hiroshi Yoshinaga, Kenji Ishii +8 more 2013-02-26
8364052 Fixing device and image forming apparatus incorporating same Naoki Iwaya, Akira Shinshi, Masaaki Yoshikawa, Kenji Ishii, Kenichi Hasegawa +8 more 2013-01-29
8311469 Fixing device and image forming apparatus incorporating same Masaaki Yoshikawa, Yoshiki Yamaguchi, Toshihiko Shimokawa, Kenji Ishii, Naoki Iwaya +8 more 2012-11-13
8219016 Fixing device and image forming apparatus incorporating same Kenichi Hasegawa, Akira Shinshi, Hiroshi Yoshinaga, Yoshiki Yamaguchi, Yutaka Ikebuchi +3 more 2012-07-10
8213827 Fixing device, image forming apparatus incorporating same, and fixing method Akira Shinshi, Kenichi Hasegawa, Hiroshi Yoshinaga, Yoshiki Yamaguchi, Yutaka Ikebuchi +3 more 2012-07-03
7912392 Image forming apparatus with glossy image printing mode Hiroshi Yoshinaga, Shinichi Namekata, Toshiharu Hachisuka, Hiroyuki Kunii, Yasunori Ishigaya 2011-03-22
7840151 Heating device, fixing apparatus, and image forming system 2010-11-23
7546049 Image forming device with a control means to correct the fixing control temperature Masanao Ehara, Shinichi Namekata, Hiroshi Yoshinaga, Hirofumi Ogawa, Tadashi Ogawa +1 more 2009-06-09