Katsumi Oya

HI Hitachi: 1 patents #17,742 of 28,497Top 65%

HS Hitachi Tohbu Semiconductor: 1 patents #126 of 223Top 60%

📍 Itabashi, JP: #108 of 173 inventorsTop 65%

Overall (All Time): #3,489,386 of 4,157,543Top 85%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6787374	Semiconductor device manufacturing method and semiconductor device sorting system to be used with the same	Hisao Yamagata	2004-09-07