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 1–25 of 81 patents

Patent #TitleCo-InventorsDate
10935911 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 2021-03-02
10345747 Fixing device and image forming apparatus incorporating same Takuya Seshita, Kohichi Utsunomiya, Takahiro Imada, Yutaka Ikebuchi 2019-07-09
10001735 Fixing device and image forming apparatus Takahiro Imada, Masaaki Yoshikawa, Kenji Ishii, Hiroshi Yoshinaga, Yuji Arai +9 more 2018-06-19
9989904 Fixing device and image forming apparatus for preventing separation of a fixing rotator and a holder Yuji Arai, Takuya Seshita, Takahiro Imada 2018-06-05
9983526 Fixing device and image forming apparatus including same Takeshi Uchitani, Masahiko Satoh, Kenji Ishii, Tadashi Ogawa, Teppei Kawata +19 more 2018-05-29
9971289 Image forming apparatus Takamasa Hase, Masahiko Satoh, Shinichi Namekata, Kenji Ishii, Takeshi Uchitani +14 more 2018-05-15
9927748 Fixing device and image forming apparatus Hiroshi Yoshinaga, Masahiko Satoh, Masaaki Yoshikawa, Kenji Ishii, Tadashi Ogawa +12 more 2018-03-27
9811031 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 2017-11-07
9727008 Fixing device and image forming apparatus including the fixing device Teppei Kawata, Masahiko Satoh, Kenji Ishii, Masaaki Yoshikawa, Hiroshi Yoshinaga +13 more 2017-08-08
9715197 Fixing device and image forming apparatus incorporating fixing device Takuya Seshita, Yuji Arai, Takahiro Imada, Akira Suzuki, Motoyoshi Yamano 2017-07-25
9715203 Fixing device and image forming apparatus including same Takeshi Uchitani, Masahiko Satoh, Kenji Ishii, Tadashi Ogawa, Teppei Kawata +19 more 2017-07-25
9690243 Image forming apparatus including a fixing device that includes a radiant heat heating source and a fixing member that rotates before an abnormality solved Takamasa Hase, Masahiko Satoh, Shinichi Namekata, Kenji Ishii, Takeshi Uchitani +14 more 2017-06-27
9575444 Fixing device and image forming apparatus including same Takuya Seshita, Takahiro Imada, Kensuke Yamaji, Akira Suzuki 2017-02-21
9557692 Fixing device and image forming apparatus Takahiro Imada, Masaaki Yoshikawa, Kenji Ishii, Hiroshi Yoshinaga, Yuji Arai +9 more 2017-01-31
9535380 Fixing device and image forming apparatus Toshihiko Shimokawa, Yutaka Ikebuchi, Hiroshi Yoshinaga, Takayuki Seki, Yuji Arai +9 more 2017-01-03
9519251 Fixing device and image forming apparatus comprising a multilayered twill fabric slide sheet Takahiro Imada, Yuji Arai, Takuya Seshita, Motoyoshi Yamano, Akira Suzuki 2016-12-13
9507306 Fixing device with a temperature detector adjacent an easily deformable location and image forming apparatus including same Takeshi Uchitani, Masahiko Satoh, Masaaki Yoshikawa, Kenji Ishii, Tadashi Ogawa +13 more 2016-11-29
9494896 Fixing device with separation plate and image forming apparatus thereof Kensuke Yamaji, Takuya Seshita, Takahiro Imada, Akira Suzuki 2016-11-15
9454114 Fixing device and image forming apparatus including same Takamasa Hase, Masahiko Satoh, Masaaki Yoshikawa, Kenji Ishii, Hiroshi Yoshinaga +13 more 2016-09-27
9405250 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 +12 more 2016-08-02
9405242 Fixing device and image forming device Takamasa Hase, Kenji Ishii, Tadashi Ogawa, Teppei Kawata, Arinobu Yoshiura +12 more 2016-08-02
9405270 Fixing device and image forming apparatus incorporating same Tadashi Ogawa, Kenji Ishii, Teppei Kawata, Arinobu Yoshiura, Toshihiko Shimokawa +8 more 2016-08-02
9367010 Fixing device and image forming device Hiromasa Takagi, Masahiko Satoh, Masaaki Yoshikawa, Kenji Ishii, Hiroshi Yoshinaga +13 more 2016-06-14
9342003 Fixing device for an image forming apparatus including a rotatable driver to define a driving span in an axial direction of the driver Akira Suzuki, Takuya Seshita, Takeshi Yamamoto, Takahiro Imada 2016-05-17
9341999 Image forming apparatus which adjusts a time interval between successive recording media and the changing time at which the time interval is changed Takuya Seshita, Takeshi Yamamoto, Yasunori Ishigaya, Takahiro Imada, Akira Suzuki 2016-05-17