KN

Kazuhiko Nakayama

TC Tokyo Ohka Kogyo Co.: 1 patents #12 of 39Top 35%
Overall (1997): #122,325 of 185,788Top 70%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5601961 High-sensitivity positive-working photoresist composition Taku Nakao, Kousuke Doi, Nobuo Tokutake, Hidekatsu Kohara, Toshimasa Nakayama 1997-02-11