KH

Katsuichiro Hayakawa

TK Tanaka Kikinzoku Kogyo K.K.: 2 patents #140 of 436Top 35%
NC Nippon Steel Chemical: 1 patents #96 of 184Top 55%
Nissan Motor Co.: 1 patents #4,519 of 8,689Top 55%
Overall (All Time): #1,898,940 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10562018 Electrode catalyst, and membrane electrode assembly and fuel cell using electrode catalyst Yoshinori Suzue, Kazuki Arihara, Tetsuya Mashio, Hiroyuki Tanaka, Koichi Matsutani +1 more 2020-02-18
9368805 Catalyst for polymer electrolyte fuel cell and method for producing the same Tomoyuki Tada, Koichi Matsutani, Takeshi Kaieda, Hitoshi Nakajima 2016-06-14