P

Inventor

KOSHIYAMA JUN

JP25 patents
⚠️ This page may combine multiple inventors who share the name “KOSHIYAMA JUN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TOKYO OHKA KOGYO CO LTD

16 patents
US6015467AJan 18, 2000

Method of removing coating from edge of substrate

TOKYO OHKA KOGYO CO LTD49 citations91
US6117623ASep 12, 2000

Remover solvent for partial removal of photoresist layer

TOKYO OHKA KOGYO CO LTD21 citations88
US7795197B2Sep 14, 2010

Cleaning liquid for lithography and method for resist pattern formation

TOKYO OHKA KOGYO CO LTD10 citations83
US7741260B2Jun 22, 2010

Rinsing fluid for lithography

TOKYO OHKA KOGYO CO LTD12 citations83
US5518860AMay 21, 1996

Positive-working quinonediazide photoresist composition containing hydroxyalkyl substituted pyridine compound

TOKYO OHKA KOGYO CO LTD13 citations74
US8367312B2Feb 5, 2013

Detergent for lithography and method of forming resist pattern with the same

TOKYO OHKA KOGYO CO LTD5 citations72
US7897325B2Mar 1, 2011

Lithographic rinse solution and method for forming patterned resist layer using the same

TOKYO OHKA KOGYO CO LTD2 citations62
US7811748B2Oct 12, 2010

Resist pattern forming method and composite rinse agent

TOKYO OHKA KOGYO CO LTD2 citations62
US6734258B2May 11, 2004

Protective coating composition for dual damascene process

TOKYO OHKA KOGYO CO LTD5 citations62
US7884062B2Feb 8, 2011

Cleaning liquid for lithography and cleaning method using same

TOKYO OHKA KOGYO CO LTD4 citations61
US7179399B2Feb 20, 2007

Material for forming protective film

TOKYO OHKA KOGYO CO LTD0 citations52
US9291905B2Mar 22, 2016

Developing solution for photolithography, method for forming resist pattern, and method and apparatus for producing developing solution for photolithography

TOKYO OHKA KOGYO CO LTD0 citations50
US6835530B2Dec 28, 2004

Base material for lithography

TOKYO OHKA KOGYO CO LTD1 citations50
US10576433B2Mar 3, 2020

Method for purifying liquid, method for producing chemical solution or cleaning solution, filter medium, and filter device

TOKYO OHKA KOGYO CO LTD0 citations46
US7576046B2Aug 18, 2009

Cleaning liquid for lithography and method of cleaning therewith

TOKYO OHKA KOGYO CO LTD0 citations42
US10576432B2Mar 3, 2020

Polyimide and/or polyamideimide porous body and method for manufacturing same, method for separation and/or adsorption, separation material, adsorption material, filter media, laminate, and filter device

TOKYO OHKA KOGYO CO LTD0 citations38

KOSHIYAMA JUN

3 patents

YOSHIDA MASAAKI

2 patents

SAWANO ATSUSHI

2 patents

ISHIKAWA KIYOSHI

1 patent

SHIRAI YURIKO

1 patent