Inventor
FUKUI MASAHIRO
JP73 patents
⚠️ This page may combine multiple inventors who share the name “FUKUI MASAHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
24 patentsUS6553544B2Apr 22, 2003
Method for design of partial circuit
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD224 citations99
US6393601B1May 21, 2002
Layout designing apparatus for integrated circuit, transistor size determining apparatus, circuit characteristic evaluating method, and transistor size determining method
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD235 citations99
US6330707B1Dec 11, 2001
Automatic routing method
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD155 citations98
US5852562ADec 22, 1998
Method and apparatus for designing an LSI layout utilizing cells having a predetermined wiring height in order to reduce wiring zones
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD180 citations98
US7030688B2Apr 18, 2006
Low-pass filter for a PLL, phase-locked loop and semiconductor integrated circuit
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD97 citations97
US6209119B1Mar 27, 2001
Apparatus and method for synthesizing module
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD30 citations93
US5602753AFeb 11, 1997
Method and apparatus for estimating power dissipation and method and apparatus of determining layout/routing
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD31 citations93
US5420800AMay 30, 1995
Layout method for a semiconductor integrated circuit device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD26 citations93
US5416720AMay 16, 1995
Method and apparatus for optimizing block shape in hierarchical IC design
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD25 citations93
US6336207B2Jan 1, 2002
Method and apparatus for designing LSI layout, cell library for designing LSI layout and semiconductor integrated circuit
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD26 citations92
US6292926B1Sep 18, 2001
Functional module model, pipelined circuit synthesis and pipelined circuit device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD26 citations92
US5943486AAug 24, 1999
Compaction method, compaction apparatus, routing method and routing apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD28 citations92
US5677249AOct 14, 1997
Semiconductor apparatus and production method for the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD24 citations92
US5062054AOct 29, 1991
Layout pattern generation and geometric processing system for LSI circuits
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD83 citations92
US6684375B2Jan 27, 2004
Delay distribution calculation method, circuit evaluation method and false path extraction method
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD23 citations91
US6609237B1Aug 19, 2003
Routing path finding method for automated routing/designing process and computer-readable storage medium having stored thereon routing path finding program
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD66 citations91
US5404313AApr 4, 1995
System for assigning positions of block terminals in a VLSI
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD33 citations88
US6516458B1Feb 4, 2003
Layout structure for integrated circuit, method and system for generating layout for CMOS circuit
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD8 citations74
US6415417B1Jul 2, 2002
Method and apparatus for transistor optimization, method and apparatus for layout design of integrated circuit, and integrated circuit
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD9 citations74
US6253351B1Jun 26, 2001
Circuit optimization system
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11 citations74
US5701255ADec 23, 1997
Cell generation method and cell generation system
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD17 citations74
US6202195B1Mar 13, 2001
Semiconductor integrated circuit layout method
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD12 citations73
US7131082B2Oct 31, 2006
Delay distribution calculation method, circuit evaluation method and false path extraction method
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD10 citations72
US4875139AOct 17, 1989
Building block LSI
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6 citations63
CHISSO CORP
11 patentsUS4581155AApr 8, 1986
Halogenopyrimidine derivatives
CHISSO CORP18 citations82
US4533488AAug 6, 1985
Pyrimidine derivatives
CHISSO CORP25 citations82
US4507222AMar 26, 1985
Liquid-crystalline compounds
CHISSO CORP18 citations81
US3966822AJun 29, 1976
Catalytic preparation of ketones from aldehydes
CHISSO CORP20 citations81
US4640795AFeb 3, 1987
5-alkyl-2-(3,4-difluorophenyl)pyrimidine and nematic liquid crystal composition containing same
CHISSO CORP13 citations74
US4468340AAug 28, 1984
Liquid-crystalline phenylcyclohexane derivatives
CHISSO CORP11 citations74
US4431564AFeb 14, 1984
Liquid-crystalline biphenyl or terphenyl derivatives
CHISSO CORP6 citations74
US4387038AJun 7, 1983
4-(Trans-4'-alkylcyclohexyl) benzoic acid 4'"-cyano-4"-biphenylyl esters
CHISSO CORP17 citations74
US4374748AFeb 22, 1983
4'-(β-Alkyloxyethoxy)-4-cyanobiphenyl
CHISSO CORP9 citations74
US4617141AOct 14, 1986
Trans-4-alkyloxymethyl-1-(4'-substituted biphenylyl-4)cyclohexanes
CHISSO CORP4 citations63
US4522741AJun 11, 1985
Trans-4-alkyloxymethyl-1-(4'-substituted biphenylyl-4)cyclohexanes
CHISSO CORP3 citations63
NIPPON TELEGRAPH & TELEPHONE
7 patentsUS12250517B2Mar 11, 2025
Sound system
NIPPON TELEGRAPH & TELEPHONE2 citations75
US11479184B2Oct 25, 2022
Sound collection apparatus
NIPPON TELEGRAPH & TELEPHONE2 citations73
US9552821B2Jan 24, 2017
Encoding method, encoder, program and recording medium
NIPPON TELEGRAPH & TELEPHONE5 citations73
US12401948B2Aug 26, 2025
Speaker system
NIPPON TELEGRAPH & TELEPHONE2 citations72
US12015902B2Jun 18, 2024
Echo cancellation device, echo cancellation method, and program
NIPPON TELEGRAPH & TELEPHONE0 citations63
US11074919B2Jul 27, 2021
Encoding method, decoding method, encoder, decoder, program, and recording medium
NIPPON TELEGRAPH & TELEPHONE0 citations62
US11024319B2Jun 1, 2021
Encoding method, decoding method, encoder, decoder, program, and recording medium
NIPPON TELEGRAPH & TELEPHONE0 citations62
MORIYA TAKEHIRO
2 patentsUS10515643B2Dec 24, 2019
Encoding method, decoding method, encoder, decoder, program, and recording medium
MORIYA TAKEHIRO2 citations72
US9230554B2Jan 5, 2016
Encoding method for acquiring codes corresponding to prediction residuals, decoding method for decoding codes corresponding to noise or pulse sequence, encoder, decoder, program, and recording medium
MORIYA TAKEHIRO6 citations72
KOKUYO KK
1 patentFUKUI MASAHIRO
1 patentJAPAN TOBACCO INC
1 patentUESUGI HIROYUKI
1 patent(unassigned)
1 patentRITSUMEIKAN TRUST
1 patentShowing the top 50 of 73 patents by PatentIndex Score.