OT

Osamu Tomikawa

HC Hitachi Construction Machinery Co.: 1 patents #7 of 42Top 20%
📍 Ibaraki, JP: #166 of 586 inventorsTop 30%
Overall (1997): #96,892 of 185,788Top 55%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5632190 Burglarproof device for hydraulic machine Kazuhiro Sunamura, Shigehiro Yoshinaga, Toichi Hirata 1997-05-27