SN

Shigenobu Nagasawa

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
📍 Kitami, JP: #49 of 98 inventorsTop 50%
Overall (All Time): #3,718,048 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5639165 Method of operating pump and bearing device for pump Kohji Aizawa, Akira Yamaguchi, Shiro Matsui, Kunio Takada, Yoshiaki Chiba 1997-06-17