SF

Sakae Fujihira

SC Shoei Kako Co.: 1 patents #4 of 8Top 50%
📍 Ibaraki, JP: #4,343 of 6,779 inventorsTop 65%
Overall (All Time): #3,641,174 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5867840 Safety helmet and a head protector therefor Hideaki Hirosawa 1999-02-09