DK

Daisuke Kawana

TC Tokyo Ohka Kogyo Co.: 1 patents #49 of 105Top 50%
Overall (2017): #448,879 of 506,227Top 90%
1
Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9766541 Positive-type resist composition, method for forming resist pattern, photo-reactive quencher, and polymeric compound Hiroto Yamazaki, Yoshitaka Komuro, Masatoshi Arai, Kenta Suzuki, Tatsuya Fujii 2017-09-19