MH

Masataka Hiyoshi

NC Nippon Steel Chemical: 5 patents #15 of 184Top 9%
NC NS Sumikin Chemical: 3 patents #27 of 144Top 20%
NM Nippon Steel & Sumitomo Metal: 3 patents #369 of 1,491Top 25%
Overall (All Time): #547,381 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
12142770 Carbon material for use as catalyst carrier of polymer electrolyte fuel cell and method of producing the same Takashi Iijima, Kenichiro Tadokoro, Shinya Furukawa, Tomoko Komura, Kazuyoshi Masaki +2 more 2024-11-12
12057589 Carbon material for catalyst carrier of polymer electrolyte fuel cell and method of producing the same Takashi Iijima, Kenichiro Tadokoro, Shinya Furukawa, Tomoko Komura, Kazuyoshi Masaki +2 more 2024-08-06
11394034 Support for polymer electrolyte fuel cell catalyst, method of producing support for polymer electrolyte fuel cell catalyst, catalyst layer for polymer electrolyte fuel cell, and fuel cell Takashi Iijima, Kenichiro Tadokoro, Shinya Furukawa, Tomoko Komura, Kazuhiko Mizuuchi 2022-07-19
11302928 Carbon material for catalyst carrier of polymer electrolyte fuel cell, and method of producing the same Takashi Iijima, Kenichiro Tadokoro, Shinya Furukawa, Tomoko Komura, Kazuyoshi Masaki +2 more 2022-04-12
10886539 Catalyst-carrier carbon material, solid-polymer fuel cell catalyst, solid-polymer fuel cell, and method for manufacturing catalyst-carrier carbon material Takashi Iijima, Noriyuki Negi, Katsumasa MATSUMOTO, Shinya Furukawa, Kenichiro Tadokoro +4 more 2021-01-05
10167199 Method for manufacturing highly pure silicon, highly pure silicon obtained by this method, and silicon raw material for manufacturing highly pure silicon Shinji Tokumaru, Jiro Kondo, Hitoshi Dohnomae, Yutaka Kishida, Shigeru Nakazawa +1 more 2019-01-01
10103398 Support carbon material and catalyst for solid polymer type fuel cell use Shinya Furukawa, Takashi Iijima, Katsumasa MATSUMOTO, Noriyuki Negi, Hiroyuki Hayashida 2018-10-16
10096837 Supporting carbon material for solid polymer fuel cell and catalyst metal particle-supporting carbon material Takashi Iijima, Katsumasa MATSUMOTO, Hiroyuki Hayashida, Kazuhiko Mizuuchi, Takumi KOUNO +2 more 2018-10-09
10003085 Carbon support material for solid polymer type fuel cell use and metal catalyst particle- supporting carbon material and methods of production of same Katsumasa MATSUMOTO, Takashi Iijima, Hiroyuki Hayashida, Kazuhiko Mizuuchi, Takumi KOUNO +2 more 2018-06-19