HK

Hirokazu Karasawa

FC Furukawa Co.: 1 patents #1 of 6Top 20%
NT National Institute Of Advanced Industrial Science And Technology: 1 patents #25 of 161Top 20%
📍 Tsukuba, JP: #92 of 334 inventorsTop 30%
Overall (2004): #209,909 of 270,089Top 80%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6752222 Downhole percussion drills Tetsuji Ohno, Akinori Ota, Tsutomu Kaneko, Naoto Yamada, Tetsuomi Miyamoto 2004-06-22