KI

Koshichi Ito

HC Hitachi Koki Co.: 1 patents #557 of 888Top 65%
📍 Hitachinaka, JP: #1,699 of 2,447 inventorsTop 70%
Overall (All Time): #4,071,996 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4336847 Percussion drill Yoshihiko Watanabe 1982-06-29