YH

Yukihiro Hirai

UN Unknown: 2 patents #12,644 of 83,584Top 20%
NM Nihon Micronics: 1 patents #96 of 171Top 60%
Overall (All Time): #862,186 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
8106507 Semiconductor package having socket function, semiconductor module, electronic circuit module and circuit board with socket 2012-01-31
7351070 Microconnector for FPC connection and method of producing the same 2008-04-01
6887085 Terminal for spiral contactor and spiral contactor 2005-05-03
6763581 Method for manufacturing spiral contactor Chihiro Ueda, Kouichi Yoshida 2004-07-20
6517362 Spiral contactor, semiconductor device inspecting apparatus and electronic part using same, and method of manufacturing the same Chihiro Ueda, Kouichi Yoshida 2003-02-11
6271674 Probe card Yoshiei Hasegawa, Tadashi Sugiyama, Takahiko Tandai, Norie Yamaguchi, Satoshi Narita 2001-08-07