TH

Takamasa Hase

Ricoh Company: 130 patents #10 of 9,818Top 1%
Overall (All Time): #8,281 of 4,157,543Top 1%
131
Patents All Time

Issued Patents All Time

Showing 51–75 of 131 patents

Patent #TitleCo-InventorsDate
9141047 Fixing device and image forming apparatus Takeshi Uchitani, Masahiko Satoh, Masaaki Yoshikawa, Kenji Ishii, Tadashi Ogawa +15 more 2015-09-22
9069304 Image forming apparatus Takuya Seshita, Masahiko Satoh, Masaaki Yoshikawa, Hiroshi Yoshinaga, Naoki Iwaya +12 more 2015-06-30
9063493 Fixing device Kensuke Yamaji, Masahiko Satoh, Masaaki Yoshikawa, Kenji Ishii, Hiroshi Yoshinaga +11 more 2015-06-23
9063480 Fixing device, image forming device, and separating member Arinobu Yoshiura, Masahiko Satoh, Masaaki Yoshikawa, Kenji Ishii, Tadashi Ogawa +13 more 2015-06-23
9052658 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 2015-06-09
9042802 Image forming apparatus Shinya Nakayama, Atsushi Yamamoto, Hideyuki Santo, Minoru Masuda, Yukiko Iwasaki +1 more 2015-05-26
9042799 Fixing device and image forming apparatus Hiroshi Yoshinaga, Takeshi Uchitani, Yutaka Ikebuchi, Takuya Seshita, Shuutaroh Yuasa 2015-05-26
9042761 Fixing device and image forming apparatus Takeshi Uchitani, Masahiko Satoh, Masaaki Yoshikawa, Kenji Ishii, Tadashi Ogawa +15 more 2015-05-26
9037008 Fixing device and image forming apparatus including same Masahiko Satoh, Masaaki Yoshikawa, Kenji Ishii, Hiroshi Yoshinaga, Tadashi Ogawa +13 more 2015-05-19
9031439 Fixing device and image forming device Kenji Ishii, Tadashi Ogawa, Teppei Kawata, Arinobu Yoshiura, Toshihiko Shimokawa +12 more 2015-05-12
9031485 Fixing device and endless belt assembly Kenji Ishii, Masahiko Satoh, Masaaki Yoshikawa, Hiroshi Yoshinaga, Takeshi Uchitani +12 more 2015-05-12
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
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 Hajime Gotoh, Masahiko Satoh, Masaaki Yoshikawa, Kenji Ishii, Tadashi Ogawa +13 more 2015-03-24
8989607 Thermal fixing device and image forming apparatus including same which detects the speed of a belt on the outer surface of a fixing member Satoshi Ueno, Masanao Ehara, Tadashi Ogawa, Hiroshi Seo, Shuutaroh Yuasa 2015-03-24
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
8971782 Fixing device, image forming apparatus incorporating same, and method for heating fixing rotary body Kazuya Saito, Masanao Ehara, Tadashi Ogawa, Takeshi Uchitani, Satoshi Ueno +3 more 2015-03-03
8958710 Fixing device, image forming apparatus incorporating same, and fixing method Shuutaroh Yuasa, Takeshi Uchitani, Takuya Seshita, Hiroshi Yoshinaga, Kenji Ishii +13 more 2015-02-17
8953966 Fixing device and image forming apparatus Tadashi Ogawa, Takeshi Uchitani, Teppei Kawata, Shuutaroh Yuasa, Kensuke Yamaji 2015-02-10
8953960 Fixing device and image forming apparatus Satoshi Ueno, Masanao Ehara, Tadashi Ogawa, Teppei Kawata, Kazuya Saito +2 more 2015-02-10
8953967 Fixation device having temperature control and image forming apparatus including the same 2015-02-10
8953991 Fixing device and image forming apparatus Satoshi Ueno, Tadashi Ogawa, Takeshi Uchitani, Teppei Kawata, Kazuya Saito +2 more 2015-02-10
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
8929791 Fixing device and endless belt assembly Kenji Ishii, Masahiko Satoh, Masaaki Yoshikawa, Hiroshi Yoshinaga, Takeshi Uchitani +13 more 2015-01-06