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 patentsUS12222648B2Feb 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 patentsUS6592663B1Jul 15, 2003
Production of a GaN bulk crystal substrate and a semiconductor device formed on a GaN bulk crystal substrate
RICOH KK167 citations99
US7261775B2Aug 28, 2007
Methods of growing a group III nitride crystal
RICOH KK22 citations92
US7250640B2Jul 31, 2007
Production of a GaN bulk crystal substrate and a semiconductor device formed on a GaN bulk crystal substrate
RICOH KK14 citations92
US7001457B2Feb 21, 2006
Crystal growth method, crystal growth apparatus, group-III nitride crystal and group-III nitride semiconductor device
RICOH KK31 citations92
US6949140B2Sep 27, 2005
Crystal growth method, crystal growth apparatus, group-III nitride crystal and group-III nitride semiconductor device
RICOH KK49 citations92
US6780239B2Aug 24, 2004
Crystal growth method, crystal growth apparatus, group-III nitride crystal and group-III nitride semiconductor device
RICOH KK40 citations92
US7531038B2May 12, 2009
Crystal growth method
RICOH KK9 citations84
US7508003B2Mar 24, 2009
Production of a GaN bulk crystal substrate and a semiconductor device formed thereon
RICOH KK8 citations84
US7828896B2Nov 9, 2010
Methods of growing a group III nitride crystal
RICOH KK4 citations63
HONDA MOTOR CO LTD
5 patentsUS11358607B2Jun 14, 2022
Vehicle control device
HONDA MOTOR CO LTD2 citations73
US11453329B2Sep 27, 2022
Vehicular light switch and vehicular light system
HONDA MOTOR CO LTD2 citations71
US10960879B2Mar 30, 2021
Vehicle control system, vehicle control method, and vehicle control program
HONDA MOTOR CO LTD1 citations62
US11685305B2Jun 27, 2023
Vehicular light switch and vehicular light system
HONDA MOTOR CO LTD0 citations61
US10974648B2Apr 13, 2021
Vehicle drive assist system
HONDA MOTOR CO LTD0 citations44
ICHIKAWA KOJI
4 patentsUS8614048B2Dec 24, 2013
Resin, resist composition and method for producing resist pattern
ICHIKAWA KOJI3 citations63
US9221785B2Dec 29, 2015
Salt and photoresist composition containing the same
ICHIKAWA KOJI2 citations62
US9360754B2Jun 7, 2016
Resin and photoresist composition comprising the same
ICHIKAWA KOJI0 citations51
US9507258B2Nov 29, 2016
Resin and photoresist composition comprising the same
ICHIKAWA KOJI0 citations42
SARAYAMA SEIJI
3 patentsUS8623138B2Jan 7, 2014
Crystal growth apparatus
SARAYAMA SEIJI2 citations62
US8591647B2Nov 26, 2013
Production of a GaN bulk crystal substrate and a semiconductor device formed thereon
SARAYAMA SEIJI1 citations62
US8562737B2Oct 22, 2013
Crystal growth method, crystal growth apparatus, group-III nitride crystal and group III nitride semiconductor device
SARAYAMA SEIJI0 citations51
MARUHA CORP
1 patentASAHI DENKA KOGYO KK
1 patentKANEGAFUCHI CHEMICAL IND
1 patentTOYO DENSO KK
1 patentFUJITSU LTD
1 patentKATAOKA MASAHIRO
1 patentMATSUMOTO TAKUYA
1 patentCENTRAL RES INST ELECT
1 patentSUMITOMO ELECTRIC INDUSTRIES
1 patentRICOH CO LTD
1 patentSHIMADA MASAHIKO
1 patentSATO NOBUYUKI
1 patentKOSHIO KAIHEI
1 patentShowing the top 50 of 58 patents by PatentIndex Score.