KS

Katsuhiko Shiraishi

HI Hitachi: 2 patents #175 of 1,326Top 15%
Overall (2017): #134,828 of 506,227Top 30%
2
Patents 2017

Issued Patents 2017

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9754742 Gas circuit breaker Masanao Terada, Yoichi Oshita 2017-09-05
9620315 Gas circuit breaker Masanao Terada, Hajime Urai, Yoichi Oshita, Hiroaki Hashimoto, Noriyuki Yaginuma 2017-04-11