Inventor

MARUYAMA KATSUHIRO

JP3 patents

Patents

3 patents

US6242533B1Jun 5, 2001

Novolak type phenol resin

GUN EI CHEMICAL INDUSTRY CO LTD24 citations89

US6211328B1Apr 3, 2001

Phenol resin

GUN EI CHEMICAL INDUSTRY CO LTD2 citations59

US6653418B1Nov 25, 2003

Process for preparing polymer compound for resist

GUN EI CHEMICAL INDUSTRY CO LTD0 citations44