RF

Ryouji Fukuyama

HH Hitachi High-Technologies: 3 patents #776 of 1,917Top 45%
Overall (All Time): #1,591,717 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7122479 Etching processing method Yutaka Ohmoto, Mamoru Yakushiji, Michinobu Mizumura 2006-10-17
7026252 Etching aftertreatment method Michinobu Mizumura, Mamoru Yakushiji, Yutaka Ohmoto, Katsuya Watanabe 2006-04-11
7009714 Method of dry etching a sample and dry etching system Yutaka Ohmoto, Mamoru Yakushiji 2006-03-07