SU

Shunsuke Umezawa

CK Ckd: 1 patents #8 of 23Top 35%
Overall (2016): #227,218 of 481,213Top 50%
1
Patents 2016

Issued Patents 2016

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9267614 External seal structure of vacuum valve Yoshiyuki Yamada 2016-02-23