MS

Masamichi Sakaguchi

HI Hitachi: 2 patents #899 of 4,225Top 25%
Overall (2003): #52,896 of 273,478Top 20%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6620737 Plasma etching method Go Saito, Hitoshi Kobayashi, Motohiko Yoshigai, Satoshi Tani 2003-09-16
6617255 Plasma processing method for working the surface of semiconductor devices Takao Arase, Motohiko Yoshigai, Go Saito, Hiroaki Ishimura, Takahiro Shimomura 2003-09-09