YK

Yoshio Kawai

SC Shin-Etsu Chemical Co.: 5 patents #13 of 245Top 6%
CL Central Glass Company, Limited: 3 patents #1 of 71Top 2%
Sumitomo Electric Industries: 3 patents #364 of 3,885Top 10%
NT NTT: 1 patents #50 of 267Top 20%
📍 Joetsu, JP: #7 of 35 inventorsTop 20%
Overall (2003): #7,188 of 273,478Top 3%
5
Patents 2003

Issued Patents 2003

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6667415 Tertiary butyl 4,4-bis(4′-hydroxyphenyl) pentanoate derivatives and positive resist materials containing the same Fujio Yagihashi, Jun Watanabe, Minoru Takamizawa, Akinobu Tanaka, Tadahito Matsuda 2003-12-23
6623909 Polymers, resist compositions and patterning process Jun Hatakeyama, Toshiaki Takahashi, Toshinobu Ishihara, Jun Watanabe, Tohru Kubota 2003-09-23
6603037 Ester compounds Yuji Harada, Jun Hatakeyama, Masaru Sasago, Masayuki Endo, Shinji Kishimura +3 more 2003-08-05
6582880 Polymers, resist compositions and patterning process Yuji Harada, Jun Watanabe, Jun Hatakeyama, Masaru Sasago, Masayuki Endo +5 more 2003-06-24
6511787 Polymers, resist compositions and patterning process Yuji Harada, Jun Hatakeyama, Jun Watanabe, Masaru Sasago, Masayuki Endo +5 more 2003-01-28