HY

Hirohiko Yatsuzuka

HI Hitachi: 1 patents #856 of 3,149Top 30%
Overall (1994): #123,828 of 165,921Top 75%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5298703 Gas circuit breaker Tuneo Kishi, Takashi Minakawa, Isao Nishida 1994-03-29