YH

Yoshiaki Haino

SC Shigematsu Works Co.: 2 patents #4 of 16Top 25%
Overall (All Time): #2,337,123 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4752974 Air-feed type dust protective helmet — 1988-06-28
4748695 Face shield assembly Nobuo Shigematsu 1988-06-07