KY

Kouji Yonemura

TC Tokyo Ohka Kogyo Co.: 2 patents #345 of 684Top 55%
Overall (All Time): #2,145,931 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7364831 Positive resist composition and resist pattern formation method Taku Nakao 2008-04-29
6869742 Positive photoresist composition Jyunichi Mizuta, Akira Katano, Satoshi Niikura, Kousuke Doi 2005-03-22