YS

Yosuke Sakakibara

CC Citizen Watch Co.: 2 patents #460 of 1,225Top 40%
Overall (All Time): #2,332,251 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4853048 Permanent magnetic alloy comprising gold, platinum and cobalt Shotaro Shimizu 1989-08-01
4444719 Gold solders Takao Kasai, Tsuneji Takasugi 1984-04-24