HG

Hajime Gotoh

Ricoh Company: 76 patents #69 of 9,818Top 1%
Mitsubishi Electric: 4 patents #7,099 of 25,717Top 30%
Overall (All Time): #22,210 of 4,157,543Top 1%
81
Patents All Time

Issued Patents All Time

Showing 51–75 of 81 patents

Patent #TitleCo-InventorsDate
9026024 Fixing device capable of minimizing damage of endless rotary body and image forming apparatus incorporating same Tadashi Ogawa, Masahiko Satoh, Masaaki Yoshikawa, Hiroshi Yoshinaga, Kenji Ishii +13 more 2015-05-05
9026025 Fixing device including heating span adjuster, image forming apparatus, and fixing method Ryuuichi Mimbu, Masaaki Yoshikawa, Takayuki Seki, Takeshi Yamamoto, Yutaka Ikebuchi +10 more 2015-05-05
9008558 Separator and separation device, fixing device, and image forming apparatus incorporating same Kazuya Saito, Masahiko Satoh, Masaaki Yoshikawa, Kenji Ishii, Tadashi Ogawa +13 more 2015-04-14
8989643 Fixing device with endless belt and image forming apparatus incorporating same Masahiko Satoh, Masaaki Yoshikawa, Kenji Ishii, Tadashi Ogawa, Takahiro Imada +13 more 2015-03-24
8983353 Fixing apparatus and image forming apparatus Arinobu Yoshiura, Masaaki Yoshikawa, Yuji Arai, Yoshiki Yamaguchi, Tetsuo Tokuda +9 more 2015-03-17
8971779 Fixing device with support and image forming apparatus incorporating same Hiroshi Yoshinaga, Masahiko Satoh, Masaaki Yoshikawa, Kenji Ishii, Tadashi Ogawa +13 more 2015-03-03
8958710 Fixing device, image forming apparatus incorporating same, and fixing method Shuutaroh Yuasa, Takeshi Uchitani, Takamasa Hase, Takuya Seshita, Hiroshi Yoshinaga +13 more 2015-02-17
8953994 Fixing device and image forming apparatus incorporating same Naoki Iwaya, Masahiko Satoh, Masaaki Yoshikawa, Kenji Ishii, Hiroshi Yoshinaga +13 more 2015-02-10
8953995 Fixing device and endless belt assembly Akira Suzuki, Masahiko Satoh, Masaaki Yoshikawa, Kenji Ishii, Hiroshi Yoshinaga +13 more 2015-02-10
8953993 Fixing device and image forming apparatus incorporating same Tetsuo Tokuda, Masaaki Yoshikawa, Kenji Ishii, Hiroshi Yoshinaga, Yuji Arai +9 more 2015-02-10
8929791 Fixing device and endless belt assembly Kenji Ishii, Masahiko Satoh, Masaaki Yoshikawa, Hiroshi Yoshinaga, Takeshi Uchitani +13 more 2015-01-06
8929789 Fixing device with resistance heating element capable of accurately generating heat and image forming apparatus with fixing device Hiroshi Yoshinaga, Masaaki Yoshikawa, Kenji Ishii, Yuji Arai, Hiromasa Takagi +9 more 2015-01-06
8918042 Fixing device and image forming apparatus including the fixing device Takahiro Imada, Masahiko Satoh, Masaaki Yoshikawa, Kenji Ishii, Tadashi Ogawa +13 more 2014-12-23
8903296 Fixing device and image forming apparatus incorporating same Toshihiko Shimokawa, Yuji Arai, Hiromasa Takagi, Yoshiki Yamaguchi, Arinobu Yoshiura +9 more 2014-12-02
8886090 Fixing device including an engagement-disengagement unit and image forming apparatus equipped with the fixing device Teppei Kawata, Kenji Ishii, Tadashi Ogawa, Arinobu Yoshiura, Toshihiko Shimokawa +12 more 2014-11-11
8886103 Fixing device capable of minimizing damage of endless belt and image forming apparatus incorporating same Kensuke Yamaji, Masahiko Satoh, Masaaki Yoshikawa, Hiroshi Yoshinaga, Kenji Ishii +12 more 2014-11-11
8886101 Fixing device capable of enhancing durability of endless belt and image forming apparatus incorporating the same Teppei Kawata, Masahiko Satoh, Masaaki Yoshikawa, Kenji Ishii, Hiroshi Yoshinaga +13 more 2014-11-11
8873984 Fixing device, image forming apparatus incorporating same, and fixing method Kenji Ishii, Yuji Arai, Yoshiki Yamaguchi, Arinobu Yoshiura, Toshihiko Shimokawa +8 more 2014-10-28
8855506 Image forming apparatus Takamasa Hase, Masahiko Satoh, Shinichi Namekata, Kenji Ishii, Takeshi Uchitani +14 more 2014-10-07
8831498 Fixing device and guide mechanism included therein Naoki Iwaya, Masahiko Satoh, Masaaki Yoshikawa, Hiroshi Yoshinaga, Kenji Ishii +12 more 2014-09-09
8792797 Fixing device, image forming apparatus, and heater control method Yutaka Ikebuchi, Masaaki Yoshikawa, Kenji Ishii, Hiroshi Yoshinaga, Yuji Arai +9 more 2014-07-29
8761650 Fixing device and image forming apparatus Hiromasa Takagi, Masaaki Yoshikawa, Kenji Ishii, Hiroshi Yoshinaga, Yuji Arai +9 more 2014-06-24
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
8676104 Fixing device and image forming apparatus Masaaki Yoshikawa, Tetsuo Tokuda, Yutaka Ikebuchi, Takuya Seshita, Hiroshi Yoshinaga +9 more 2014-03-18