HK

Hiroaki Kumakura

NS National Institute For Materials Science: 6 patents #50 of 901Top 6%
NM National Research Institute For Metals: 4 patents #16 of 167Top 10%
CC Central Japan Railway Comany: 2 patents #68 of 313Top 25%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
KT Kabushiki Kaisha Toshiba: 1 patents #13,537 of 21,451Top 65%
📍 Ibaraki, JP: #949 of 6,779 inventorsTop 15%
Overall (All Time): #461,108 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
10431823 Method for manufacturing base material powder having carbon nano-coating layer, method for manufacturing MgB2 superconductor using the method, MgB2 superconductor, method for manufacturing positive electrode material for lithium ion battery, lithium ion battery, and method for manufacturing photocatalyst Shujun YE, Akira Hasegawa, Yoshimi Kubo, Eiki Yasukawa, Akihiro Nomura 2019-10-01
9741472 Method for manufacturing MgB2 superconductor, and MgB2 superconductor Akiyoshi Matsumoto, Shujun YE 2017-08-22
8871684 Iron-based superconducting wire and method for producing the same Yoshihiko Takano, Yoshikazu Mizuguchi 2014-10-28
8173579 Fabrication method of a MgB2 superconducting tape and wire Takayuki Nakane, Hitoshi Kitaguchi, Hiroki Fujii 2012-05-08
7763568 Method for producing MgB2 superconductor and MgB2 superconductor Hideyuki Yamada, Nobuhito Uchiyama, Hitoshi Kitaguchi, Akiyoshi Matsumoto 2010-07-27
7749939 MgB2 superconductor, its wire, and a manufacturing method thereof Hitoshi Kitaguchi, Masazumi Hirakawa, Hideyuki Yamada 2010-07-06
7569520 Metal sheath magnesium diboride superconducting wire and its manufacturing method Kazuhide Tanaka, Masaya Takahashi, Michiya Okada, Hitoshi Kitaguchi 2009-08-04
6240620 Making of bismuth 2212 superconducting wire or tape Hitoshi Kitaguchi, Hanping Miao, Kazumasa Togano 2001-06-05
4746373 Method of manufacturing compound superconductors Yutaka Yamada, Satoru Murase, Mitsuo Sasaki, Ei Nakamura, Kazumasa Togano +1 more 1988-05-24
4729801 Process for producing superconducting compound tape or wire material by electron beam irradiation Kazumasa Togano, Hirosada Irie, Susumu Tsukamoto, Kyoji Tachikawa 1988-03-08
4664933 Process for production of A-15 type superconductor compound Kyoji Tachikawa, Kazumasa Togano 1987-05-12