TK

Takumi KOUNO

NC NS Sumikin Chemical: 2 patents #40 of 144Top 30%
NM Nippon Steel & Sumitomo Metal: 2 patents #488 of 1,491Top 35%
NC Nippon Steel Chemical: 1 patents #96 of 184Top 55%
📍 Ashiya, JP: #109 of 346 inventorsTop 35%
Overall (All Time): #1,425,820 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
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, Masataka Hiyoshi, Katsumasa MATSUMOTO, Shinya Furukawa +4 more 2021-01-05
10096837 Supporting carbon material for solid polymer fuel cell and catalyst metal particle-supporting carbon material Takashi Iijima, Masataka Hiyoshi, Katsumasa MATSUMOTO, Hiroyuki Hayashida, Kazuhiko Mizuuchi +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, Masataka Hiyoshi, Hiroyuki Hayashida, Kazuhiko Mizuuchi +2 more 2018-06-19