YO

Youichi Ohsawa

SC Shin-Etsu Chemical Co.: 5 patents #16 of 264Top 7%
📍 Joetsu, JP: #7 of 33 inventorsTop 25%
Overall (2004): #6,602 of 270,089Top 3%
5
Patents 2004

Issued Patents 2004

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6713612 Sulfonyldiazomethanes, photoacid generators, resist compositions, and patterning process Katsuhiro Kobayashi, Koji Hasegawa, Takao Yoshihara, Kazunori Maeda, Toshihiko Fujii 2004-03-30
6692893 Onium salts, photoacid generators, resist compositions, and patterning process Jun Watanabe, Takeshi Nagata, Jun Hatakeyama 2004-02-17
6689530 Sulfonyldiazomethanes, photoacid generations, resist compositions, and patterning process Katsuhiro Kobayashi, Kazunori Maeda 2004-02-10
6682869 Chemical amplification, positive resist compositions Jun Watanabe, Takanobu Takeda, Akihiro Seki 2004-01-27
6673511 Resist composition Jun Hatakeyama, Takeru Watanabe 2004-01-06