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Norifumi Ohtsuka

AC Asahi Glass Co.: 1 patents #70 of 281Top 25%
AT Agency Of Industrial Science And Technology: 1 patents #8 of 126Top 7%
Overall (2003): #148,278 of 273,478Top 55%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6514425 Dry etching gas Akira Sekiya, Tetsuya Takagaki, Shinsuke Morikawa, Shunichi Yamashita, Tsuyoshi Takaichi +3 more 2003-02-04