YT

Yoichi Takehana

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
MI Mitsui Petrochemical Industries: 1 patents #503 of 1,024Top 50%
📍 Nishitokyo, JP: #176 of 277 inventorsTop 65%
Overall (All Time): #3,843,193 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5085899 Dust-proof film Hiroaki Nakagawa 1992-02-04