HW

Hiromu Watanbe

MC Mitsui Mining & Smelting Co.: 1 patents #444 of 838Top 55%
Overall (All Time): #2,784,897 of 4,157,543Top 70%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10615425 Tin oxide, electrode catalyst for fuel cells, membrane electrode assembly, and solid polymer fuel cell Koichi Miyake, Susumu Takahashi, Naohiko Abe, Ryoma Tsukuda, Kenichi Amitani +4 more 2020-04-07