KS

Katsuhiko Shiraishi

HI Hitachi: 1 patents #433 of 1,362Top 35%
Overall (2019): #392,021 of 560,194Top 70%
1
Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10199188 Gas circuit breaker Masanao Terada, Yuki Nakai, Yoichi Oshita, Hiroaki Hashimoto, Hajime Urai 2019-02-05