KA

Ken Akizuki

Nissan Motor Co.: 6 patents #1,257 of 8,689Top 15%
NC NS Sumikin Chemical: 2 patents #40 of 144Top 30%
TK Tanaka Kikinzoku Kogyo K.K.: 1 patents #216 of 436Top 50%
Overall (All Time): #716,146 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
11031604 Catalyst and electrode catalyst layer, membrane electrode assembly, and fuel cell using the catalyst Tetsuya Mashio, Yoshihisa Furuya, Atsushi Ohma 2021-06-08
10573901 Catalyst and manufacturing method thereof, and electrode catalyst layer using the catalyst Atsushi Ohma, Yoshitaka Ono, Tetsuya Mashio, Koichi Matsutani 2020-02-25
10535881 Catalyst and electrode catalyst layer, membrane electrode assembly, and fuel cell using the catalyst Tetsuya Mashio, Yoshihisa Furuya, Atsushi Ohma 2020-01-14
10135074 Carbon powder for catalyst, catalyst, electrode catalyst layer, membrane electrode assembly, and fuel cell using the carbon powder Shinichi Takahashi, Atsushi Ohma, Tetsuya Mashio 2018-11-20
9947934 Catalyst and electrode catalyst layer, membrane electrode assembly, and fuel cell using the catalyst Atsushi Ohma, Tetsuya Mashio, Yoshitaka Ono, Shinichi Takahashi 2018-04-17
9847532 Fuel cell electrode catalyst layer, fuel cell electrode, fuel cell membrane electrode assembly and fuel cell having a proton-conductive material coated on a catalyst thereof Yoshitaka Ono, Atsushi Ohma, Norifumi Horibe, Kenichi Toyoshima 2017-12-19
9799903 Electrocatalyst for solid polymer fuel cell Hiroshi Iden, Atsushi Ohma, Kei Sakai, Kazuyuki Satou, Yoshitaka Ono +1 more 2017-10-24