MY

Motohiko Yoshigai

HI Hitachi: 4 patents #332 of 4,225Top 8%
HH Hitachi High-Technologies: 1 patents #1 of 21Top 5%
Overall (2003): #13,962 of 273,478Top 6%
4
Patents 2003

Issued Patents 2003

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6664738 Plasma processing apparatus Masatsugu Arai, Ryujiro Udo, Naoyuki Tamura, Masanori Kadotani 2003-12-16
6660647 Method for processing surface of sample Tetsuo Ono, Takafumi Tokunaga, Tadashi Umezawa, Tatsumi Mizutani, Tokuo Kure +3 more 2003-12-09
6620737 Plasma etching method Go Saito, Masamichi Sakaguchi, Hitoshi Kobayashi, Satoshi Tani 2003-09-16
6617255 Plasma processing method for working the surface of semiconductor devices Takao Arase, Go Saito, Masamichi Sakaguchi, Hiroaki Ishimura, Takahiro Shimomura 2003-09-09