KM

Katsumi Murofushi

SK Showa Denko K.K.: 34 patents #11 of 1,736Top 1%
BI Bando Chemical Industries: 6 patents #24 of 303Top 8%
RE Resonac: 6 patents #19 of 474Top 5%
SD Showa Denko: 3 patents #59 of 593Top 10%
Overall (All Time): #67,323 of 4,157,543Top 2%
44
Patents All Time

Issued Patents All Time

Showing 1–25 of 44 patents

Patent #TitleCo-InventorsDate
12129445 Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium Naoya FUKUMOTO, Daisuke YAGYU, Tsuyoshi Kato 2024-10-29
12057151 Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium Naoya FUKUMOTO, Tsuyoshi Kato, Daisuke YAGYU, Masaki Nanko, Natsumi SHIBATA 2024-08-06
11912824 Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium Naoya FUKUMOTO, Daisuke YAGYU, Tsuyoshi Kato 2024-02-27
11845906 Fluorine-containing ether compound, lubricant for magnetic recording medium and magnetic recording medium Naoya FUKUMOTO, Daisuke YAGYU, Tsuyoshi Kato 2023-12-19
11820742 Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium Naoya FUKUMOTO, Tsuyoshi Kato, Daisuke YAGYU, Shunya SUZUKI, Ayano ASANO 2023-11-21
11767483 Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium Daisuke YAGYU, Naoya FUKUMOTO, Tsuyoshi Kato 2023-09-26
11661408 Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium Daisuke YAGYU, Naoya FUKUMOTO, Tsuyoshi Kato 2023-05-30
11661478 Magnetic recording medium, fluorine-containing ether compound and lubricant for magnetic recording medium Takuya MINAMI, Yoshishige OKUNO, Yuta YAMAGUCHI, Ryuuta Miyasaka, Naoya FUKUMOTO +5 more 2023-05-30
11639330 Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium Masaki Nanko, Naoya FUKUMOTO, Daisuke YAGYU, Yuta YAMAGUCHI, Tsuyoshi Kato +2 more 2023-05-02
11555005 Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium Naoya FUKUMOTO, Ryuuta Miyasaka, Hiroyuki Tomita, Michio Seri, Naoko Ito 2023-01-17
11514945 Lubricant for magnetic recording medium, and method for producing magnetic recording medium Hiroyuki Tomita, Hiroko Hattori, Naoya FUKUMOTO, Ryuuta Miyasaka, Naoko Ito +1 more 2022-11-29
11427779 Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium Yuta YAMAGUCHI, Daisuke YAGYU, Naoya FUKUMOTO, Shoko UETAKE, Tsuyoshi Kato +2 more 2022-08-30
11332686 Fluorine-containing ether compound, lubricant for magnetic recording medium and magnetic recording medium Naoya FUKUMOTO, Yuta YAMAGUCHI, Naoko Ito 2022-05-17
11292979 Fluorine-containing ether compound, lubricant for magnetic recording medium and magnetic recording medium Yuta YAMAGUCHI, Naoya FUKUMOTO, Naoko Ito, Hiroyuki Tomita, Ichiro Ota 2022-04-05
11279664 Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium Daisuke YAGYU, Yuta YAMAGUCHI, Naoya FUKUMOTO, Tsuyoshi Kato, Shoko UETAKE +4 more 2022-03-22
11261394 Fluorine-containing ether compound, lubricant for magnetic recording media, and magnetic recording medium Tsuyoshi Kato, Daisuke YAGYU, Naoya FUKUMOTO, Masaki Nanko, Masumi Kuritani 2022-03-01
11244700 Magnetic recording medium, sputtering target, sputtering target manufacturing method, and magnetic storage apparatus Yoshitaka Ishibashi, Takayuki Fukushima, Kazuya Niwa, Lei Zhang, Yuji Murakami +5 more 2022-02-08
11220649 Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium Naoya FUKUMOTO, Daisuke YAGYU, Yuta YAMAGUCHI, Shoko UETAKE, Tsuyoshi Kato +2 more 2022-01-11
11180457 Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium Tsuyoshi Kato, Daisuke YAGYU, Naoya FUKUMOTO, Yuta YAMAGUCHI, Masumi Kuritani +2 more 2021-11-23
11126695 Polymer design device, polymer design method, and non-transitory recording medium Takuya MINAMI, Yoshishige OKUNO, Toshio Fujita 2021-09-21
11011200 Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium Shoko UETAKE, Naoya FUKUMOTO, Daisuke YAGYU, Yuta YAMAGUCHI, Naoko Ito +2 more 2021-05-18
10803898 Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium Naoya FUKUMOTO, Daisuke YAGYU, Yuta YAMAGUCHI, Shoko UETAKE, Tsuyoshi Kato +2 more 2020-10-13
8865801 Epoxy resin-based coating composition Isao Yamagami, Hiroki Takenaka 2014-10-21
8840830 Method of molding Shigeru Yamaki, Hideo Miyata, Nobuyuki Mitarai, Nobuaki Ishii, Kunio Yoshida 2014-09-23
8399569 Reactive urethane compound having ether bond, curable composition, and cured material Nobuaki Ishii, Miyuki TOMITA, Yotaro Hattori, Yoshifumi Urakawa 2013-03-19