TOK
Mark Identification

TOK

Serial Number

74351997

Filing Date

Jan 25, 1993

Registration Date

Dec 28, 1993

Trademark by

TOKYO OHKA KOGYO CO. LTD.

Active Trademark

Classification Information

photoresists; namely, organic liquid chemicals used in the fabrication of integrated circuits and developer; namely, chemicals consisting of high - purity water and trace amounts of surfactants used to remove exposed photoresist in the fabrication of integrated circuits

Chemicals