HK

Hideyo Kato

HC Hitachi Construction Machinery Co.: 1 patents #7 of 31Top 25%
📍 Ibaraki, JP: #110 of 447 inventorsTop 25%
Overall (1989): #105,171 of 140,708Top 75%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4813447 Flow control valve apparatus Ken Ichiryu, Takashi Kanai, Masami Ochiai, Yuusaku Nozawa 1989-03-21