Inventor
TAKEZAWA YOSHITAKA
JP46 patents
⚠️ This page may combine multiple inventors who share the name “TAKEZAWA YOSHITAKA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI CHEMICAL CO LTD
17 patentsUS11814568B2Nov 14, 2023
Anisotropic thermal conductive resin member and manufacturing method thereof
HITACHI CHEMICAL CO LTD2 citations73
US10800872B2Oct 13, 2020
Epoxy resin, epoxy resin composition, epoxy resin cured product, and composite material
HITACHI CHEMICAL CO LTD2 citations73
US11208525B2Dec 28, 2021
Epoxy resin, epoxy resin composition, inorganic filler-containing epoxy resin composition, resin sheet, cured product, and epoxy compound
HITACHI CHEMICAL CO LTD2 citations72
US10597485B2Mar 24, 2020
Production methods for glassy liquid-crystalline epoxy resin and glassy liquid-crystalline epoxy resin composition, storage methods for liquid-crystalline epoxy resin and liquid-crystalline epoxy resin composition, glassy liquid-crystalline epoxy resin and glassy liquid-crystalline epoxy resin composition, liquid-crystalline epoxy resin and liquid-crystalline epoxy resin composition, and production method for cured epoxy resin
HITACHI CHEMICAL CO LTD5 citations72
US10662279B2May 26, 2020
Epoxy resin composition, semi-cured epoxy resin composition, cured epoxy resin composition, molded article, and cured molded article
HITACHI CHEMICAL CO LTD4 citations71
US10988585B2Apr 27, 2021
Resin sheet and cured product of resin sheet
HITACHI CHEMICAL CO LTD2 citations69
US12071714B2Aug 27, 2024
Anisotropic thermal conductive resin fiber, anisotropic thermal conductive resin member, and manufacturing method of these
HITACHI CHEMICAL CO LTD0 citations62
US11149109B2Oct 19, 2021
Epoxy resin composition, cured product and composite material
HITACHI CHEMICAL CO LTD0 citations62
US10934387B2Mar 2, 2021
Epoxy resin, epoxy resin composition, inorganic filler-containing epoxy resin composition, resin sheet, cured product, and epoxy compound
HITACHI CHEMICAL CO LTD0 citations62
US11840619B2Dec 12, 2023
Epoxy resin composition, thermally-conductive material precursor, B-stage sheet, prepreg, heat dissipation material, laminate, metal substrate, and printed circuit board
HITACHI CHEMICAL CO LTD1 citations61
US10584228B2Mar 10, 2020
Epoxy resin composition, thermally-conductive material precursor, B-stage sheet, prepreg, heat dissipation material, laminate, metal substrate, and printed circuit board
HITACHI CHEMICAL CO LTD1 citations61
US11840600B2Dec 12, 2023
Cured epoxy resin material, epoxy resin composition, molded article, and composite material
HITACHI CHEMICAL CO LTD0 citations52
US10941241B2Mar 9, 2021
Epoxy resin molding material, molded product, molded cured product, and method for producing molded cured product
HITACHI CHEMICAL CO LTD0 citations51
US10851200B2Dec 1, 2020
Resin composition and method of producing laminate
HITACHI CHEMICAL CO LTD0 citations48
US10590232B2Mar 17, 2020
Resin composition and method of producing laminate
HITACHI CHEMICAL CO LTD0 citations48
US10000679B2Jun 19, 2018
Phenolic resin composition
HITACHI CHEMICAL CO LTD0 citations41
US10373727B2Aug 6, 2019
Prepreg mica tape and coil using same
HITACHI CHEMICAL CO LTD0 citations39
HITACHI LTD
12 patentsUS6261481B1Jul 17, 2001
Insulating composition
HITACHI LTD83 citations96
US7504720B2Mar 17, 2009
Semiconductor unit, and power conversion system and on-vehicle electrical system using the same
HITACHI LTD38 citations93
US6061139AMay 9, 2000
Nondestructive diagnostic method and nondestructive diagnostic apparatus
HITACHI LTD23 citations90
US7816786B2Oct 19, 2010
Semiconductor unit, and power conversion system and on-vehicle electrical system using the same
HITACHI LTD12 citations84
US7167247B2Jan 23, 2007
Paper quality discriminating machine
HITACHI LTD14 citations83
US6633035B1Oct 14, 2003
Water content-measurement method and water content-measurement apparatus, and electrical component-fabrication method using the measurement apparatus and method
HITACHI LTD9 citations73
US5093888AMar 3, 1992
Optical transmitting system, optical members and polymer for same, and usage of same
HITACHI LTD13 citations70
US6730911B2May 4, 2004
Method and apparatus for paper material discrimination with two near-infrared lights
HITACHI LTD4 citations61
US5774228AJun 30, 1998
Deterioration diagnosis method and device of electrical machine and apparatus
HITACHI LTD6 citations61
US6765043B2Jul 20, 2004
Epoxy resin, epoxy resin composition, cured epoxy resin, and manufacturing method thereof
HITACHI LTD3 citations60
US7279574B2Oct 9, 2007
Epoxy compound and cured epoxy resin product
HITACHI LTD1 citations52
US6852992B2Feb 8, 2005
Method and apparatus of diagnosing deterioration of an article
HITACHI LTD1 citations42
SHOWA DENKO MATERIALS CO LTD
9 patentsUS11466119B2Oct 11, 2022
Epoxy resin, epoxy resin composition, epoxy resin cured product, and composite material
SHOWA DENKO MATERIALS CO LTD2 citations73
US11015020B2May 25, 2021
Epoxy resin, epoxy resin composition, epoxy resin cured product and composite material
SHOWA DENKO MATERIALS CO LTD3 citations73
US10920010B2Feb 16, 2021
Epoxy resin, epoxy resin composition, epoxy resin cured product, and composite material
SHOWA DENKO MATERIALS CO LTD3 citations73
US11440990B2Sep 13, 2022
Epoxy resin, epoxy resin composition, epoxy resin cured product, and composite material
SHOWA DENKO MATERIALS CO LTD2 citations71
US12049538B2Jul 30, 2024
Epoxy resin, epoxy resin composition, epoxy resin cured product and composite material
SHOWA DENKO MATERIALS CO LTD0 citations62
US12116451B2Oct 15, 2024
Epoxy resin, epoxy resin composition, epoxy resin cured product and composite material
SHOWA DENKO MATERIALS CO LTD1 citations60
US11535700B2Dec 27, 2022
Epoxy polymer, epoxy resin, epoxy resin composition, resin sheet, b-stage sheet, cured product, c-stage sheet, metal foil with resin, metal substrate and method for manufacturing
SHOWA DENKO MATERIALS CO LTD0 citations51
US11352562B2Jun 7, 2022
Epoxy resin, epoxy resin composition, epoxy resin cured product and composite material
SHOWA DENKO MATERIALS CO LTD0 citations51
US11560476B2Jan 24, 2023
Epoxy resin, epoxy resin composition, epoxy resin cured product, and composite material
SHOWA DENKO MATERIALS CO LTD0 citations50
RESONAC CORP
2 patentsUS12104009B2Oct 1, 2024
Epoxy resin, epoxy resin composition, epoxy resin cured product and method of producing epoxy resin cured product, composite material, insulating member, electronic appliance, structural material, and vehicle
RESONAC CORP1 citations62
US11919995B2Mar 5, 2024
Epoxy resin, epoxy resin composition, epoxy resin cured product, and composite material
RESONAC CORP0 citations51