Inventor
HARAGUCHI TAKAYUKI
JP19 patents
⚠️ This page may combine multiple inventors who share the name “HARAGUCHI TAKAYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOKYO OHKA KOGYO CO LTD
9 patentsUS7442675B2Oct 28, 2008
Cleaning composition and method of cleaning semiconductor substrate
TOKYO OHKA KOGYO CO LTD12 citations82
US6399275B1Jun 4, 2002
Negative-working photolithographic patterning material and method for the preparation of ion-implanted and metal-plated substrates by using the same
TOKYO OHKA KOGYO CO LTD11 citations68
US8354215B2Jan 15, 2013
Method for stripping photoresist
TOKYO OHKA KOGYO CO LTD1 citations51
US7129020B2Oct 31, 2006
Liquid coating composition for forming a top antireflective film and photoresist laminate using the same, as well as method for forming photoresist pattern
TOKYO OHKA KOGYO CO LTD1 citations51
US9250534B2Feb 2, 2016
Nonaqueous cleaning liquid and method for etching processing of silicon substrate
TOKYO OHKA KOGYO CO LTD0 citations50
US9436094B2Sep 6, 2016
Stripping solution for photolithography and pattern formation method
TOKYO OHKA KOGYO CO LTD1 citations49
US10597616B2Mar 24, 2020
Cleaning liquid and method for manufacturing the same
TOKYO OHKA KOGYO CO LTD0 citations45
US10597609B2Mar 24, 2020
Cleaning liquid, anticorrosion agent, and method for manufacturing the same
TOKYO OHKA KOGYO CO LTD0 citations45
US8802610B2Aug 12, 2014
Cleaning liquid and anticorrosive agent comprising a mercapto compound and solvent
TOKYO OHKA KOGYO CO LTD0 citations39