RN

Riichi NAGAO

HI Hitachi: 2 patents #13,388 of 28,497Top 50%
HS Hitachi Automotive Systems: 2 patents #689 of 1,636Top 45%
HA Hitachi Astemo: 1 patents #649 of 1,276Top 55%
Overall (All Time): #937,481 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
12151533 Cylinder device Koichi YAMAKA, Yoshihiro Yamaguchi 2024-11-26
10576815 Rotary electric machine housing and rotary electric machine equipped therewith Shinji Yamazaki 2020-03-03
10404131 Dynamo-electric machine Itsurou Sawada, Shinji Yamazaki 2019-09-03
10153109 Gas circuit breaker Masanao Terada, Hiroaki Hashimoto, Yu Hasegawa, Takashi Iida 2018-12-11
9870884 Gas circuit breaker Masanao Terada, Hajime Urai, Daisuke Ebisawa, Hiroaki Hashimoto 2018-01-16