KK

Katunori Kojima

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #3,567,244 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6498314 Vacuum switch and vacuum switchgear using the same Takuya Miyo, Toru Tanimizu, Syuuichi Kikukawa, Ayumu Morita, Hiroshi Yokoyama +2 more 2002-12-24