P

Inventor

WATANABE RYOJI

US45 patents
⚠️ This page may combine multiple inventors who share the name “WATANABE RYOJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TOKYO OHKA KOGYO CO LTD

11 patents
US8007981B2Aug 30, 2011

Resist composition and method of forming resist pattern

TOKYO OHKA KOGYO CO LTD5 citations63
US7776511B2Aug 17, 2010

Positive resist composition and method of forming resist pattern

TOKYO OHKA KOGYO CO LTD6 citations63
US7645559B2Jan 12, 2010

Positive resist composition and method of forming resist pattern

TOKYO OHKA KOGYO CO LTD4 citations63
US11248086B2Feb 15, 2022

Hard-mask forming composition and method for manufacturing electronic component

TOKYO OHKA KOGYO CO LTD0 citations48
US10429735B2Oct 1, 2019

Coating agent for reducing roughness of resist pattern, and method for forming resist pattern in which roughness is reduced

TOKYO OHKA KOGYO CO LTD0 citations42
US10254651B2Apr 9, 2019

Coating agent for reducing roughness of resist pattern, and method for forming resist pattern in which roughness is reduced

TOKYO OHKA KOGYO CO LTD0 citations42
US10503068B2Dec 10, 2019

Method for forming resist pattern

TOKYO OHKA KOGYO CO LTD0 citations41
US9964851B2May 8, 2018

Resist pattern forming method and developer for lithography

TOKYO OHKA KOGYO CO LTD0 citations41
US8349543B2Jan 8, 2013

Pattern-forming method, metal oxide film-forming material and method for using the metal oxide film-forming material

TOKYO OHKA KOGYO CO LTD0 citations41
US9618845B2Apr 11, 2017

Method for forming resist pattern, resist pattern splitting agent, split pattern improving agent, resist pattern splitting material, and positive resist composition for forming split pattern

TOKYO OHKA KOGYO CO LTD0 citations40
US9581909B2Feb 28, 2017

Method of trimming resist pattern

TOKYO OHKA KOGYO CO LTD0 citations39

FUJI XEROX CO LTD

9 patents

OBJECT TECH LICENSING CORP

4 patents

AU CAROLYN F

2 patents

VIOLET CO LTD

2 patents

TOKAI RIKA CO LTD

2 patents

ICI JAPAN LIMITED

2 patents

SANYO ELECTRIC CO

2 patents

CAPTARIS INC

1 patent

MICROSOFT CORP

1 patent

TAUGENT INC

1 patent

TALIGENT INC

1 patent

APPLE COMPUTER

1 patent

ANDO TOMOYUKI

1 patent

HITACHI AUTOMOTIVE SYSTEMS LTD

1 patent

OBEJCT TECHNOLOGY LICENSING CO

1 patent

NAT RES INST METALS

1 patent

TAKESHITA MASARU

1 patent

KAZAMA TOSHIYUKI

1 patent