HM

Hiroki Muramatsu

Canon: 20 patents #3,238 of 19,416Top 20%
SS Sumitomo Wiring Systems: 2 patents #1,192 of 2,615Top 50%
Kyocera: 1 patents #2,054 of 3,732Top 60%
Overall (All Time): #177,492 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12422761 Fixing member Noriaki Kobayashi, Naoki Akiyama, Hiroto Sugimoto, Akeshi Asaka, Yasuhiro Miyahara 2025-09-23
12346046 Fixing film Akeshi Asaka, Naoki Akiyama, Hiroto Sugimoto, Yasuhiro Miyahara, Noriaki Kobayashi 2025-07-01
12276672 Sensor device Moriyuki Shimizu, Masaharu Nakamura, Rieko Nagao, Koichi Kato, Toshinari Kobayashi +2 more 2025-04-15
12235602 Fixing belt and heat fixing device Noriaki Kobayashi, Tomoyo Miyakai, Ryo Ishifuji 2025-02-25
12070925 Fixing rotating member, fixing apparatus and electrophotographic image forming apparatus, and method for producing fixing rotating member Ryo Ishifuji, Yohei Miyauchi, Yasuharu Notoya, Yusuke Baba, Masaaki Takahashi +1 more 2024-08-27
12059874 Fixing rotating member, fixing apparatus, electrophotographic image forming apparatus, and method for producing fixing rotating member Yohei Miyauchi, Yasuharu Notoya, Naoko Kasai, Yusuke Baba, Masaaki Takahashi +1 more 2024-08-13
12061430 Fixing belt and heat fixing device Noriaki Kobayashi 2024-08-13
12001158 Fixing member, method for producing the same, fixing apparatus, and electrophotographic image forming apparatus Naoko Kasai, Yohei Miyauchi, Masatsugu Toyonori, Yasuharu Notoya, Tomoyo Miyakai +1 more 2024-06-04
11988983 Fixing member, method for producing the same, fixing apparatus, and electrophotographic image forming apparatus Yohei Miyauchi, Masatsugu Toyonori, Naoko Kasai, Yasuharu Notoya, Tomoyo Miyakai 2024-05-21
11934128 Fixing belt having increased surface roughness Hiroto Sugimoto, Naoki Akiyama, Yasuhiro Miyahara, Noriaki Kobayashi, Akeshi Asaka 2024-03-19
11855475 Charge/discharge control apparatus Kyohei Morita 2023-12-26
11644777 Pressurizing member, fixing device, and electrophotographic image-forming apparatus Ryo Ishifuji, Yasuharu Notoya, Yohei Miyauchi, Naoko Kasai, Yusuke Baba +1 more 2023-05-09
11561495 Pressing rotating member and production method thereof, fixing apparatus, and electrophotographic image forming apparatus Naoko Kasai, Yohei Miyauchi, Yasuharu Notoya, Takuji Oishi, Yasuhiro Miyahara +3 more 2023-01-24
11429046 Fixing belt and method of manufacturing the fixing belt Akeshi Asaka, Naoki Akiyama, Hiroto Sugimoto, Yasuhiro Miyahara, Noriaki Kobayashi 2022-08-30
11137707 Fixing apparatus with pressing member having connected pores in elastic layer Akeshi Asaka, Naoki Akiyama, Hiroto Sugimoto, Yasuhiro Miyahara, Noriaki Kobayashi 2021-10-05
10890869 Fixing member, heat fixing apparatus, and image forming apparatus Yasuhiro Miyahara, Naoki Akiyama, Hiroto Sugimoto, Akeshi Asaka, Noriaki Kobayashi +2 more 2021-01-12
10859955 Image heating member having a parting layer formed of a fluorine-containing resin tube, image heating apparatus and manufacturing method of the image heating member Akeshi Asaka, Naoki Akiyama, Hiroto Sugimoto, Yasuhiro Miyahara, Noriaki Kobayashi 2020-12-08
10379464 Electrophotographic member, fixing member, fixing apparatus, image forming apparatus, and method of producing electrophotographic belt Toshinori Nakayama, Kota Arimoto, Masayuki Tamaki, Yusuke Yamaguchi, Ryo Yashiro +3 more 2019-08-13
9701500 Sheet conveying apparatus and image forming apparatus Kenjiro Sugaya, Osamu Sugino, Masahiro Tsujibayashi, Michiaki Endo, Teppei Nagata +1 more 2017-07-11
9261832 Image heating apparatus for heating toner image on sheet Toshinori Nakayama, Koichi Kakubari, Shigeaki Takada, Hiroto Ito 2016-02-16
9086664 Fixing device with a heat generating layer containing a high molecular compound and a carbon fiber, and an electrophotographic image forming apparatus containing the fixing device Katsuhisa Matsunaka, Yutaka Arai, Jun Miura, Jiro Ishizuka, Shuichi Tamura +6 more 2015-07-21
8965262 Fixing member, method of producing fixing member, and fixing device 2015-02-24
8722281 Fuel cell, fuel cell module, and fuel cell device 2014-05-13