SM

Shiro Matsui

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #3,718,049 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

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