YH

Yoshiyuki Hirokawa

TA Takata: 2 patents #220 of 608Top 40%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
📍 Hikone, JP: #142 of 328 inventorsTop 45%
Overall (All Time): #2,287,716 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5427698 Coating composition for lubrication Isao Tonomura, Hirohumi Michioka, Yoshio Fuwa 1995-06-27
5376454 Surface coating member Takamasa Sugasawa 1994-12-27