TT

Tsukasa Toyooka

HC Hitachi Construction Machinery Co.: 1 patents #7 of 42Top 20%
📍 Ibaraki, JP: #166 of 586 inventorsTop 30%
Overall (1997): #63,952 of 185,788Top 35%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5673558 Hydraulic circuit system for hydraulic excavator Genroku Sugiyama, Toichi Hirata, Koji Ishikawa, Tsuyoshi Nakamura 1997-10-07