YA

Yoshihito Asai

HI Hitachi: 1 patents #867 of 2,942Top 30%
Overall (1997): #56,733 of 185,788Top 35%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5610381 Compression gas puffer type circuit breaker Eisaku Mizufune, Kenichi Natsui, Yukio Kurosawa, Goro Daimon, Katsuichi Kashimura +2 more 1997-03-11