YH

Yukihiro Hirai

UN Unknown: 1 patents #273 of 2,925Top 10%
Overall (2003): #84,669 of 273,478Top 35%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
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