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 26–50 of 131 patents

Patent #TitleCo-InventorsDate
9715201 Fixing device and image forming apparatus including a rotation load applicator Takashi Fujita, Seiji Saitoh, Kenji Ishii, Akiyasu Amita, Kenichi Hasegawa +4 more 2017-07-25
9715198 Fixing device and image forming apparatus Hiroshi Yoshinaga, Takeshi Uchitani, Yutaka Ikebuchi, Takuya Seshita, Shuutaroh Yuasa 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 Masahiko Satoh, Shinichi Namekata, Kenji Ishii, Takeshi Uchitani, Tadashi Ogawa +14 more 2017-06-27
9678460 Fixing device, image forming apparatus, and fixing method Susumu Matsusaka, Yasuhiko Ogino, Shohta Kobashigawa, Kenji Ishii, Kazuhito Kishi +6 more 2017-06-13
9651905 Fixing device and image forming apparatus Ippei Fujimoto, Kazuhito Kishi, Takashi Seto, Takayuki Seki, Kazunari Sawada +5 more 2017-05-16
9639042 Fixing device and image forming apparatus Kenji Ishii, Susumu Matsusaka, Yasuhiko Ogino, Shohta Kobashigawa, Kazuhito Kishi +5 more 2017-05-02
9612556 Fixing device and image forming apparatus Yasuhiko Ogino, Kenji Ishii, Takashi Seto, Ippei Fujimoto, Kazuhito Kishi +6 more 2017-04-04
9568868 Image forming apparatus Shinichi Namekata, Takeshi Uchitani, Shuutaroh Yuasa, Kazuya Saito, Ryota Yamashina +3 more 2017-02-14
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
9454114 Fixing device and image forming apparatus including same Masahiko Satoh, Masaaki Yoshikawa, Kenji Ishii, Hiroshi Yoshinaga, Tadashi Ogawa +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 Kenji Ishii, Tadashi Ogawa, Teppei Kawata, Arinobu Yoshiura, Toshihiko Shimokawa +12 more 2016-08-02
9400439 Toner, developer, and image forming apparatus Kousuke Nagata, Masahide Yamada, Shinya Nakayama, Akiyoshi Sabu, Tatsuya Morita +2 more 2016-07-26
9367010 Fixing device and image forming device Hiromasa Takagi, Masahiko Satoh, Masaaki Yoshikawa, Kenji Ishii, Hiroshi Yoshinaga +13 more 2016-06-14
9366982 Toner, developer, and image forming apparatus Atsushi Yamamoto, Hiroshi Yamada, Kohsuke Nagata 2016-06-14
9316971 Image forming method for forming toner image on recording medium Tadashi Ogawa, Takeshi Uchitani, Satoshi Ueno, Teppei Kawata, Kazuya Saito +2 more 2016-04-19
9310733 Fixing device and image forming apparatus including same Hiroshi Yoshinaga, Masaaki Yoshikawa, Kenichi Hasegawa, Kenji Ishii, Akira Shinshi +8 more 2016-04-12
9291967 Fixing device and image forming apparatus incorporating same Naoki Iwaya, Masahiko Satoh, Masaaki Yoshikawa, Kenji Ishii, Hiroshi Yoshinaga +13 more 2016-03-22
9285724 Fixing device and image forming apparatus Hiroshi Yoshinaga, Takeshi Uchitani, Yutaka Ikebuchi, Takuya Seshita, Shuutaroh Yuasa 2016-03-15
9244411 Fixing device and image forming apparatus incorporating same Takuya Seshita, Hiroshi Yoshinaga, Takeshi Uchitani, Yutaka Ikebuchi, Shuutaroh Yuasa 2016-01-26
9239559 Fixing device and image forming apparatus including same Takeshi Uchitani, Masahiko Satoh, Kenji Ishii, Tadashi Ogawa, Teppei Kawata +19 more 2016-01-19
9235177 Fixing device and image forming apparatus incorporating same Takuya Seshita, Masahiko Satoh, Masaaki Yoshikawa, Hiroshi Yoshinaga, Kenji Ishii +15 more 2016-01-12
9207596 Image forming apparatus including a fixing device Masahiko Satoh, Shinichi Namekata, Kenji Ishii, Takeshi Uchitani, Tadashi Ogawa +14 more 2015-12-08
9152108 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 2015-10-06
9146512 Fixing device and image forming device Kazuya Saito, Takeshi Uchitani, Shuutaroh Yuasa, Ippei Fujimoto, Shinichi Namekata +3 more 2015-09-29