YS

Yasushi Shikanai

UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Ashikawa, JP: #37 of 73 inventorsTop 55%
Overall (All Time): #3,850,033 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5111797 Process and device for improving combustion efficiency of a combustion machine 1992-05-12