KS

Keiichi Shibuya

SM Smc: 1 patents #36 of 94Top 40%
📍 Kashima, JP: #6 of 25 inventorsTop 25%
Overall (2002): #174,774 of 266,432Top 70%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6433308 High vacuum valve Tsuneo Ishigaki, Mamoru Fukuda, Kenji Waragai 2002-08-13