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 1–25 of 131 patents

Patent #TitleCo-InventorsDate
12386293 Fixing device and image forming apparatus with a controller to switch between a first heating and a second heating Kentaro Yamashita, Arinobu Yoshiura, Daisuke Inoue, Mototaka IWAMA, Ryohhei Sugiyama 2025-08-12
11789399 Image forming apparatus which changes speed in lamination mode 2023-10-17
11780244 Heating device, liquid applying apparatus, image forming apparatus, post-processing apparatus, and conveying device Takashi Seto 2023-10-10
11691835 Conveying device, liquid applying apparatus, image forming apparatus, and post-processing apparatus Takashi Seto 2023-07-04
11402781 Heating device, liquid applying apparatus, image forming apparatus, post-processing apparatus, and conveying device Takashi Seto 2022-08-02
11353812 Fixing device and image forming apparatus Hiroshi Yoshinaga, Takeshi Uchitani, Yutaka Ikebuchi, Takuya Seshita, Shuutaroh Yuasa 2022-06-07
11003119 Fixing device and image forming apparatus Hiroshi Yoshinaga, Takeshi Uchitani, Yutaka Ikebuchi, Takuya Seshita, Shuutaroh Yuasa 2021-05-11
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
10802428 Image forming apparatus Tomoya Adachi, Yuusuke Furuichi, Yukimichi Someya, Masahiro Samei, Daisuke Inoue 2020-10-13
10712695 Image forming apparatus configured to control a lighting duty of a heat generator Daisuke Inoue, Tomoya Adachi, Yuusuke Furuichi, Yukimichi Someya, Masahiro Samei 2020-07-14
10571834 Fixing method, image forming method, and image forming apparatus Ryohei Matsuda, Daisuke Inoue, Teppei Kawata, Akio Takei 2020-02-25
10551777 Fixing device and image forming apparatus Hiroshi Yoshinaga, Takeshi Uchitani, Yutaka Ikebuchi, Takuya Seshita, Shuutaroh Yuasa 2020-02-04
10539912 Image forming apparatus Tomoya Adachi, Yuusuke Furuichi, Yukimichi Someya, Masahiro Samei, Daisuke Inoue 2020-01-21
10209654 Fixing device and image forming apparatus Hiroshi Yoshinaga, Takeshi Uchitani, Yutaka Ikebuchi, Takuya Seshita, Shuutaroh Yuasa 2019-02-19
10001734 Fixing device and image forming apparatus including fixing device with vibration dampening Hiroshi Seo, Yuusuke Furuichi, Takashi Fujita, Daisuke Inoue 2018-06-19
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 Masahiko Satoh, Shinichi Namekata, Kenji Ishii, Takeshi Uchitani, Tadashi Ogawa +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
9891548 Image forming method, toner, and image forming apparatus Yukiko Iwasaki, Minoru Masuda, Tsuneyasu Nagatomo, Kenji Yoneda 2018-02-13
9874839 Fixing device and image forming apparatus Kazunari Sawada, Kenji Ishii, Kazuhito Kishi, Takayuki Seki, Hiroshi Yoshinaga +5 more 2018-01-23
9851663 Fixing device and image forming apparatus Shohta Kobashigawa, Kenji Ishii, Kazuhito Kishi, Takayuki Seki, Hiroshi Yoshinaga +6 more 2017-12-26
9829840 Fixing device and image forming apparatus Takashi Seto, Kenji Ishii, Susumu Matsusaka, Yasuhiko Ogino, Shohta Kobashigawa +6 more 2017-11-28
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
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