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 76–100 of 120 patents

Patent #TitleCo-InventorsDate
8774666 Fixing device and image forming apparatus incorporating same Kazuya Saito, Takeshi Uchitani, Takamasa Hase, Shuutaroh Yuasa, Shinichi Namekata +3 more 2014-07-08
8761650 Fixing device and image forming apparatus Hiromasa Takagi, Masaaki Yoshikawa, Kenji Ishii, Hiroshi Yoshinaga, Yuji Arai +9 more 2014-06-24
8737878 Image forming apparatus including removable fixing device Yoshiki Yamaguchi, Akira Shinshi, Kenichi Hasegawa, Hiroshi Yoshinaga, Naoki Iwaya +3 more 2014-05-27
8725038 Belt assembly, fixing device, and image forming apparatus incorporating same Yoshiki Yamaguchi, Masaaki Yoshikawa, Kenji Ishii, Yuji Arai, Hiromasa Takagi +9 more 2014-05-13
8682218 Fixing device and image forming apparatus incorporating same Yoshiki Yamaguchi, Masaaki Yoshikawa, Kenji Ishii, Hiroshi Yoshinaga, Yuji Arai +9 more 2014-03-25
8682192 Image forming apparatus Yutaka Ikebuchi, Yoshiki Yamaguchi, Toshihiko Shimokawa, Kenji Ishii, Naoki Iwaya +5 more 2014-03-25
8676101 Fixing device having metal pipe with rough section and image forming apparatus incorporating same Masaaki Yoshikawa, Akira Shinshi, Yoshiki Yamaguchi, Toshihiko Shimokawa, Tetsuo Tokuda +5 more 2014-03-18
8676104 Fixing device and image forming apparatus Masaaki Yoshikawa, Tetsuo Tokuda, Yutaka Ikebuchi, Takuya Seshita, Hiroshi Yoshinaga +9 more 2014-03-18
8676103 Fixing device and image forming apparatus incorporating same Masaaki Yoshikawa, Yuji Arai, Hiromasa Takagi, Yoshiki Yamaguchi, Arinobu Yoshiura +9 more 2014-03-18
8655211 Fixing device and image forming apparatus incorporating same Yuji Arai, Hiromasa Takagi, Yoshiki Yamaguchi, Naoki Iwaya, Arinobu Yoshiura +9 more 2014-02-18
8655244 Fixing device and image forming apparatus incorporating same Kenichi Hasegawa, Masaaki Yoshikawa, Akira Shinshi, Kenji Ishii, Hiroshi Yoshinaga +8 more 2014-02-18
8655246 Fixing device and image forming apparatus incorporating same Tetsuo Tokuda, Masaaki Yoshikawa, Kenji Ishii, Hiroshi Yoshinaga, Naoki Iwaya +6 more 2014-02-18
8630572 Fixing device and image forming apparatus including same Hiroshi Yoshinaga, Tetsuo Tokuda, Takamasa Hase, Toshihiko Shimokawa, Kenji Ishii +7 more 2014-01-14
8615175 Fixing unit and image forming apparatus including same Takahiro Imada, Masaaki Yoshikawa, Kenji Ishii, Akira Shinshi, Hiroshi Yoshinaga +7 more 2013-12-24
8600276 Heat conduction unit, fixing device, and image forming apparatus Kenji Ishii, Masaaki Yoshikawa, Tetsuo Tokuda, Yoshiki Yamaguchi, Kenichi Hasegawa +8 more 2013-12-03
8600277 Fixing device and image forming apparatus incorporating same Masaaki Yoshikawa, Yoshiki Yamaguchi, Toshihiko Shimokawa, Kenji Ishii, Naoki Iwaya +6 more 2013-12-03
8594549 Image forming apparatus incorporating a fixing device and contact member to reduce fixing member deformation Toshihiko Shimokawa, Masaaki Yoshikawa, Akira Shinshi, Kenji Ishii, Hiroshi Yoshinaga +8 more 2013-11-26
8588668 Fixing device and image forming apparatus incorporating same Kenji Ishii, Masaaki Yoshikawa, Yoshiki Yamaguchi, Toshihiko Shimokawa, Naoki Iwaya +6 more 2013-11-19
8588670 Fixing device having a reflector and image forming apparatus incorporating same Toshihiko Shimokawa, Masaaki Yoshikawa, Kenji Ishii, Naoki Iwaya, Tetsuo Tokuda +7 more 2013-11-19
8588638 Fixing device and image forming apparatus incorporating same Naoki Iwaya, Masaaki Yoshikawa, Kenji Ishii, Hiroshi Yoshinaga, Tetsuo Tokuda +6 more 2013-11-19
8583020 Fixing device and image forming apparatus incorporating same Masaaki Yoshikawa, Yoshiki Yamaguchi, Toshihiko Shimokawa, Kenji Ishii, Naoki Iwaya +5 more 2013-11-12
8583019 Fixing device and image forming apparatus incorporating same Kenji Ishii, Masaaki Yoshikawa, Yoshiki Yamaguchi, Toshihiko Shimokawa, Naoki Iwaya +7 more 2013-11-12
8559839 Fixing device and image forming apparatus incorporating Takamasa Hase, Kenji Ishii, Masaaki Yoshikawa, Tetsuo Tokuda, Naoki Iwaya +5 more 2013-10-15
8548366 Fixing device and image forming apparatus incorporating same Tetsuo Tokuda, Masaaki Yoshikawa, Kenji Ishii, Hiroshi Yoshinaga, Naoki Iwaya +5 more 2013-10-01
8543025 Fixing device and image forming apparatus incorporating same Yutaka Ikebuchi, Masaaki Yoshikawa, Kenji Ishii, Hiroshi Yoshinaga, Naoki Iwaya +6 more 2013-09-24