TH

Tadaichi Hamada

CK Ckd: 1 patents #167 of 332Top 55%
Overall (All Time): #3,254,990 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7971599 Air-operated valve Tatsuhito Aoyama, Katsunori Hirose, Takashi Yajima 2011-07-05