AY

Akira YAMAGISHI

HI Hitachi: 4 patents #28 of 1,215Top 3%
Overall (2018): #49,532 of 503,207Top 10%
4
Patents 2018

Issued Patents 2018

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
10113933 Leakage oil detector system and method Li Lu, Toshiaki Rokunohe, Tomohiro Moriyama, Jun Nukaga, Yasutomo Saito 2018-10-30
9953744 Electrical insulating paper and stationary induction electrical apparatus using the same Kohhei AIDA, Hisashi Morooka, Kenichi Kawamura 2018-04-24
9947453 Stationary induction electric apparatus Yasunori Ono, Akira Nishimizu, Naoya Miyamoto, Kohei Yamaguchi 2018-04-17
9898830 Oil leakage detector and oil leakage detection method Li Lu, Satoshi Ichimura, Tomohiro Moriyama, Jun Nukaga, Toshiaki Rokunohe +1 more 2018-02-20