MK

Masao Kariya

HC Hitachi Construction Machinery Co.: 1 patents #15 of 62Top 25%
📍 Tsukuba, JP: #101 of 299 inventorsTop 35%
Overall (2002): #161,600 of 266,432Top 65%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6409142 Pipe breakage control valve device Genroku Sugiyama 2002-06-25