Inventor · disambiguated record
Manabu Hirakawa
Also filed as: HIRAKAWA MANABU · SHIMOMURA TAKATOSHI
44 granted patents·11 pending applications·386 citations·filing 1977–2025
98Inventor score
Files withSUMITOMO CHEMICAL CO22MITSUBISHI GAS CHEMICAL CO19DAINIPPON PRINTING CO LTD9FANUC CORP4HITACHI CONSTRUCTION MACHINERY1
Top patents by PatentIndex Score
55 records- 0194US10048404B2Polycarbonate resin and optical lensMITSUBISHI GAS CHEMICAL CO·Filed 2015·Granted Aug 14, 2018·4 cites·10 claims
- 0293US10605956B2Polycarbonate resin and optical lensMITSUBISHI GAS CHEMICAL CO·Filed 2018·Granted Mar 31, 2020·3 cites·6 claims
- 0393US6702956B2Liquid crystal polyester resin mixtureSUMITOMO CHEMICAL CO·Filed 2002·Granted Mar 9, 2004·46 cites·6 claims
- 0492US9975843B2Bifunctional compound having norbornane skeleton and method for producing sameMITSUBISHI GAS CHEMICAL CO·Filed 2015·Granted May 22, 2018·4 cites·11 claims
- 0589US6755992B2Liquid crystalline polyester and method for producing thereofSUMITOMO CHEMICAL CO·Filed 2002·Granted Jun 29, 2004·41 cites·7 claims
- 0685US11511430B2Robot controller and management systemFANUC CORP·Filed 2020·Granted Nov 29, 2022·2 cites·1 claims
- 0785US6838546B2Aromatic liquid-crystalline polyester solution compositionSUMITOMO CHEMICAL CO·Filed 2001·Granted Jan 4, 2005·20 cites·8 claims
- 0885US6797345B2Aromatic liquid-crystalline polyester metal laminateSUMITOMO CHEMICAL CO·Filed 2002·Granted Sep 28, 2004·23 cites·7 claims
- 0985US6649730B2Aromatic polyester amideSUMITOMO CHEMICAL CO·Filed 2002·Granted Nov 18, 2003·20 cites·5 claims
- 1083US4265959AProcess for producing semipermeable membranesSUMITOMO CHEMICAL CO·Filed 1978·Granted May 5, 1981·37 cites·15 claims
- 1183US2025282910A1Thermoplastic resin, method for manufacturing same, and optical lensMITSUBISHI GAS CHEMICAL CO·Filed 2025·Application pending·0 cites
- 1281US10689487B2Polycarbonate copolymer, optical lens and film in which said polycarbonate copolymer is used, and method for producing said copolymerMITSUBISHI GAS CHEMICAL CO·Filed 2017·Granted Jun 23, 2020·3 cites·11 claims
- 1381US6140455ALiquid crystalline polyester resin for extrusion moldingSUMITOMO CHEMICAL CO·Filed 1999·Granted Oct 31, 2000·42 cites·7 claims
- 1478US10513485B2Bifunctional compound having norbornane skeleton and method for producing sameMITSUBISHI GAS CHEMICAL CO·Filed 2019·Granted Dec 24, 2019·0 cites·4 claims
- 1578US6512079B2Liquid crystalline polyester and method for producing the sameSUMITOMO CHEMICAL CO·Filed 2001·Granted Jan 28, 2003·14 cites·5 claims
- 1676US10343973B2Bifunctional compound having norbornane skeleton and method for producing sameMITSUBISHI GAS CHEMICAL CO·Filed 2018·Granted Jul 9, 2019·0 cites·4 claims
- 1776US6846433B2Liquid crystalline polyester resin composition and molded product thereofSUMITOMO CHEMICAL CO·Filed 2002·Granted Jan 25, 2005·11 cites·14 claims
- 1875US7005607B2Welding method, welding device, welded joint, and welded structureHITACHI CONSTRUCTION MACHINERY·Filed 2002·Granted Feb 28, 2006·20 cites·20 claims
- 1973US7094359B2Micro powder and method for producing the sameSUMITOMO CHEMICAL CO·Filed 2003·Granted Aug 22, 2006·14 cites·16 claims
- 2073US6867280B2Process for producing aromatic liquid crystal polyesterSUMITOMO CHEMICAL CO·Filed 2002·Granted Mar 15, 2005·10 cites·6 claims
- 2172US10144699B2Bifunctional compound having norbornane skeleton and method for producing sameMITSUBISHI GAS CHEMICAL CO·Filed 2018·Granted Dec 4, 2018·0 cites·6 claims
- 2272US4163725AProcess for preparing of semipermeable membranesSUMITOMO CHEMICAL CO·Filed 1977·Granted Aug 7, 1979·25 cites·6 claims
- 2372US2022185237A1Heating plate, conductive pattern sheet, vehicle, and method of manufacturing heating plateDAINIPPON PRINTING CO LTD·Filed 2022·Application pending·0 cites
- 2472US2022185238A1Heating plate, conductive pattern sheet, vehicle, and method of manufacturing heating plateDAINIPPON PRINTING CO LTD·Filed 2022·Application pending·0 cites
- 2569US10913848B2Polycarbonate resin composition and optical lens using sameMITSUBISHI GAS CHEMICAL CO·Filed 2018·Granted Feb 9, 2021·1 cites·9 claims
- 2668US12037451B2Thermoplastic resin, molded object, and monomer for thermoplastic resinMITSUBISHI GAS CHEMICAL CO·Filed 2020·Granted Jul 16, 2024·0 cites·17 claims
- 2768US2024400755A1Polyester resin, method for producing same, resin composition, molded article, and optical memberMITSUBISHI GAS CHEMICAL CO·Filed 2022·Application pending·0 cites
- 2867US12439483B2Heat-generating plateDAINIPPON PRINTING CO LTD·Filed 2021·Granted Oct 7, 2025·0 cites·1 claims
- 2964US12060453B2Polyester carbonate resin, and molded body which is obtained by molding resin composition containing resinMITSUBISHI GAS CHEMICAL CO·Filed 2020·Granted Aug 13, 2024·0 cites·14 claims
- 3064US11732088B2Polyester carbonate resin and optical lensMITSUBISHI GAS CHEMICAL CO·Filed 2019·Granted Aug 22, 2023·0 cites·7 claims
- 3164US6838018B2Liquid crystalline polyester resin composition and its molded articleSUMITOMO CHEMICAL CO·Filed 2003·Granted Jan 4, 2005·4 cites·14 claims
- 3263US11338774B2Heating plate, conductive pattern sheet, vehicle, and method of manufacturing heating plateDAINIPPON PRINTING CO LTD·Filed 2019·Granted May 24, 2022·0 cites·8 claims
- 3360US12049541B2Polyester resin compositionMITSUBISHI GAS CHEMICAL CO·Filed 2019·Granted Jul 30, 2024·0 cites·10 claims
- 3460US9708445B2Polycarbonate resin usable as oil-adsorbing materialMITSUBISHI GAS CHEMICAL CO·Filed 2014·Granted Jul 18, 2017·0 cites·9 claims
- 3559US12290932B2Trajectory generation device and automatic position control deviceFANUC CORP·Filed 2021·Granted May 6, 2025·0 cites·6 claims
- 3658US2023109138A1Resin composition, optical lens containing this, and optical filmMITSUBISHI GAS CHEMICAL CO·Filed 2021·Application pending·0 cites
- 3757US7009026B2Method for producing a liquid crystalline polyester and the liquid crystalline polyesterSUMITOMO CHEMICAL CO·Filed 2003·Granted Mar 7, 2006·3 cites·4 claims
- 3857US6743376B2Liquid-crystalline resin composition and moldingSUMITOMO CHEMICAL CO·Filed 2001·Granted Jun 1, 2004·1 cites·4 claims
- 3955US11897135B2Human-cooperative robot systemFANUC CORP·Filed 2019·Granted Feb 13, 2024·0 cites·4 claims
- 4055US10384649B2Heating plate, conductive pattern sheet, vehicle, and method of manufacturing heating plateDAINIPPON PRINTING CO LTD·Filed 2015·Granted Aug 20, 2019·0 cites·10 claims
- 4153US2025033197A1Control device, teaching device, and mechanical systemFANUC CORP·Filed 2022·Application pending·0 cites
- 4252US10912155B2Heating plate, conductive pattern sheet, vehicle, and method of manufacturing heating plateDAINIPPON PRINTING CO LTD·Filed 2017·Granted Feb 2, 2021·0 cites·8 claims
- 4351US2019159296A1Heating electrode device, electrical heating glass, heat-generating plate, vehicle, window for building, sheet with conductor, conductive pattern sheet, conductive heat-generating body, laminated glass, and manufacturing method for conductive heat-generating bodyDAINIPPON PRINTING CO LTD·Filed 2016·Application pending·0 cites
- 4450US6204336B1High-rigidity ethylene/propylene block copolymer and process for the production thereofSUMITOMO CHEMICAL CO·Filed 1996·Granted Mar 20, 2001·10 cites·5 claims
- 4549US4548769AProcess for producing semipermeable membraneSUMITOMO CHEMICAL CO·Filed 1985·Granted Oct 22, 1985·11 cites·12 claims
- 4649US2023236340A1Optical filmMITSUBISHI GAS CHEMICAL CO·Filed 2021·Application pending·0 cites
- 4747US9982129B2Polycarbonate resin composition, and optical material and optical lens each manufactured using sameMITSUBISHI GAS CHEMICAL CO·Filed 2015·Granted May 29, 2018·0 cites·15 claims
- 4843US2022039216A1Transparent heating element, heating element with cover, sensor device, and mobile objectDAINIPPON PRINTING CO LTD·Filed 2019·Application pending·0 cites
- 4943US2004091686A1Aromatic liquid-crystalline polyester solution compositionSUMITOMO CHEMICAL CO·Filed 2003·Application pending·0 cites
- 5042US11279323B2Patterned conductor, sheet with conductor, heating plate, vehicle, and manufacturing method of patterned conductorDAINIPPON PRINTING CO LTD·Filed 2017·Granted Mar 22, 2022·0 cites·16 claims
Showing the top 50 of 55 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Manabu Hirakawa files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →