YK

Yoshio Kawai

NT NTT: 5 patents #1 of 290Top 1%
SC Shin-Etsu Chemical Co.: 4 patents #12 of 182Top 7%
FC Fujisawa Pharmaceutical Co.: 2 patents #7 of 110Top 7%
JC Japan Hydrazine Co.: 1 patents #1 of 8Top 15%
📍 Joetsu, JP: #3 of 23 inventorsTop 15%
Overall (1997): #924 of 185,788Top 1%
8
Patents 1997

Issued Patents 1997

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
5679496 Chemically amplified positive resist composition Youichi Ohsawa, Satoshi Watanabe, Katsuyuki Oikawa, Akinobu Tanaka, Jiro Nakamura 1997-10-21
5670503 Pyrazole derivatives Hitoshi Yamazaki, Hirokazu Tanaka, Teruo Oku 1997-09-23
5663365 Process for the preparation of pyrazolones Yasuo Yamamoto, Naoki Shirakawa, Shinichi Takano 1997-09-02
5636004 Projection exposure method and apparatus Akihiro Ootaka, Tadahito Matsuda 1997-06-03
5629134 Chemically amplified positive resist composition Katsuyuki Oikawa, Toshinobu Ishihara, Fujio Yagihashi, Akinobu Tanaka, Jiro Nakamura 1997-05-13
5624931 Pyrazole derivatives Teruo Oku, Hiroshi Marusawa, Hitoshi Yamazaki, Yoshito Abe 1997-04-29
5624787 Chemically amplified positive resist composition Satoshi Watanabe, Katsuyuki Oikawa, Toshinobu Ishihara, Akinobu Tanaka, Tadahito Matsuda 1997-04-29
5612170 Positive resist composition Katsuya Takemura, Junji Tsuchiya, Toshinobu Ishihara, Akinobu Tanaka, Jiro Nakamura 1997-03-18