WI

Wataru Idetsu

HC Hitachi Construction Machinery Co.: 3 patents #381 of 1,234Top 35%
📍 Chiyoda, JP: #751 of 1,712 inventorsTop 45%
Overall (All Time): #1,601,976 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6678956 Method of producing spray deposit on bearing boss Ryohei Suzuki, Osamu Gokita 2004-01-20
6634725 Crawler Genroku Sugiyama, Akihiko Yamamoto, Yuji Yoshitomi, Akiomi Kono 2003-10-21
6390572 Crawler belt Genroku Sugiyama, Yoshiaki Sekiguchi, Kazuyoshi Hatano 2002-05-21