YS

Yosimi Sugaya

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
HC Hitachi Powdered Metals Co.: 1 patents #113 of 246Top 50%
📍 Funabashi, JP: #699 of 1,104 inventorsTop 65%
Overall (All Time): #3,927,697 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4829950 Valve lifter and method of producing the same Hisanobu Kanamaru 1989-05-16