TT

Tsukasa Toyooka

HC Hitachi Construction Machinery Co.: 26 patents #33 of 1,234Top 3%
📍 Ibaraki, JP: #260 of 6,779 inventorsTop 4%
Overall (All Time): #155,777 of 4,157,543Top 4%
26
Patents All Time

Issued Patents All Time

Showing 26–26 of 26 patents

Patent #TitleCo-InventorsDate
5479778 Hydraulic control system for construction machines Toichi Hirata, Genroku Sugiyama, Akira Tatsumi 1996-01-02