P

Inventor

SHIMADA MASAHIKO

JP58 patents
⚠️ This page may combine multiple inventors who share the name “SHIMADA MASAHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SUMITOMO CHEMICAL CO

16 patents
US12222648B2Feb 11, 2025

Salt, acid generator, resist composition and method for producing resist pattern

SUMITOMO CHEMICAL CO2 citations75
US9671691B2Jun 6, 2017

Resin, resist composition and method for producing resist pattern

SUMITOMO CHEMICAL CO2 citations73
US11640114B2May 2, 2023

Compound, resin, photoresist composition and process for producing photoresist pattern

SUMITOMO CHEMICAL CO0 citations63
US12578639B2Mar 17, 2026

Carboxylate, carboxylic acid generator, resin, resist composition and method for producing resist pattern

SUMITOMO CHEMICAL CO0 citations52
US12572072B2Mar 10, 2026

Salt, acid generator, resin, resist composition and method for producing resist pattern

SUMITOMO CHEMICAL CO0 citations52
US12572071B2Mar 10, 2026

Carboxylate, carboxylic acid generator, resin, resist composition and method for producing resist pattern

SUMITOMO CHEMICAL CO0 citations52
US12529957B2Jan 20, 2026

Salt, acid generator, resin, resist composition and method for producing resist pattern

SUMITOMO CHEMICAL CO0 citations52
US12124167B2Oct 22, 2024

Carboxylate, resist composition and method for producing resist pattern

SUMITOMO CHEMICAL CO0 citations52
US12013636B2Jun 18, 2024

Salt, acid generator, resist composition and method for producing resist pattern

SUMITOMO CHEMICAL CO0 citations52
US11327399B2May 10, 2022

Photoresist composition and process for producing photoresist pattern

SUMITOMO CHEMICAL CO0 citations52
US10747111B2Aug 18, 2020

Compound, resin, photoresist composition and process for producing photoresist pattern

SUMITOMO CHEMICAL CO0 citations52
US9519218B2Dec 13, 2016

Resin, resist composition and method for producing resist pattern

SUMITOMO CHEMICAL CO0 citations52
US9758466B2Sep 12, 2017

Compound, resin, resist composition and method for producing resist pattern

SUMITOMO CHEMICAL CO0 citations51
US8003296B2Aug 23, 2011

Chemically amplified positive resist composition

SUMITOMO CHEMICAL CO0 citations51
US7998656B2Aug 16, 2011

Chemically amplified positive resist composition

SUMITOMO CHEMICAL CO0 citations50
US9983478B2May 29, 2018

Resin, resist composition and method for producing resist pattern

SUMITOMO CHEMICAL CO0 citations42

RICOH KK

9 patents

HONDA MOTOR CO LTD

5 patents

ICHIKAWA KOJI

4 patents

SARAYAMA SEIJI

3 patents

MARUHA CORP

1 patent

ASAHI DENKA KOGYO KK

1 patent

KANEGAFUCHI CHEMICAL IND

1 patent

TOYO DENSO KK

1 patent

FUJITSU LTD

1 patent

KATAOKA MASAHIRO

1 patent

MATSUMOTO TAKUYA

1 patent

CENTRAL RES INST ELECT

1 patent

SUMITOMO ELECTRIC INDUSTRIES

1 patent

RICOH CO LTD

1 patent

SHIMADA MASAHIKO

1 patent

SATO NOBUYUKI

1 patent

KOSHIO KAIHEI

1 patent

Showing the top 50 of 58 patents by PatentIndex Score.