TY

Tsutomu Yamakawa

NC Nihon Dempa Kogyo Co.: 2 patents #17 of 57Top 30%
SC Shin-Etsu Chemical Co.: 1 patents #80 of 218Top 40%
📍 Joetsu, JP: #12 of 54 inventorsTop 25%
Overall (2011): #33,166 of 364,097Top 10%
3
Patents 2011

Issued Patents 2011

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8008980 Surface mount type crystal oscillator Kouichi Moriya, Hidenori Harima 2011-08-30
7985293 Hydraulic composition Yoshiaki Sasage 2011-07-26
7932786 Surface mount type crystal oscillator Kouichi Moriya, Hidenori Harima 2011-04-26