HU

Hajime Urai

HI Hitachi: 4 patents #28 of 1,215Top 3%
Overall (2018): #44,917 of 503,207Top 9%
4
Patents 2018

Issued Patents 2018

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
10157719 Gas circuit breaker Yuki Nakai, Masanao Terada, Takashi Iida, Noriyuki Yaginuma 2018-12-18
9959999 Method for controlling power switching apparatus Koichiro Adachi, Katsuhiko Shiraishi, Masataka Sasaki 2018-05-01
9899172 Circuit breaker and circuit breaker operating method Yasuaki Aoyama, Hiroaki Hashimoto, Katsuhiko Shiraishi, Tatsuro Kato, Ayumu Morita +2 more 2018-02-20
9870884 Gas circuit breaker Masanao Terada, Daisuke Ebisawa, Hiroaki Hashimoto, Riichi NAGAO 2018-01-16