Assignee
FURUKAWA ELECTRIC CO LTD
JP·2,298 granted patents·715 pending applications·32,272 citations·filing 1973–2025
Top patents by PatentIndex Score
3,013 records- 0199US6292288B1Raman amplifier, optical repeater, and raman amplification methodFURUKAWA ELECTRIC CO LTD·Filed 2000·Granted Sep 18, 2001·201 cites·54 claims
- 0298US11161101B2Catalyst structure and method for producing the catalyst structureFURUKAWA ELECTRIC CO LTD·Filed 2018·Granted Nov 2, 2021·26 cites·16 claims
- 0398US8755659B2Optical transmission system and multi-core optical fiberFURUKAWA ELECTRIC CO LTD·Filed 2012·Granted Jun 17, 2014·238 cites·11 claims
- 0498US8737793B2Multi-core optical fiber and method of manufacturing the sameFURUKAWA ELECTRIC CO LTD·Filed 2013·Granted May 27, 2014·250 cites·7 claims
- 0598US6461054B1Adapter having a light-shielding shutter and optical module receptacle having a light-shielding shutterFURUKAWA ELECTRIC CO LTD·Filed 2000·Granted Oct 8, 2002·224 cites·20 claims
- 0698US5368661AMethod for joining parts of Ni-Ti alloys with different metalsFURUKAWA ELECTRIC CO LTD·Filed 1993·Granted Nov 29, 1994·169 cites·4 claims
- 0798US3980808AElectric cableFURUKAWA ELECTRIC CO LTD·Filed 1974·Granted Sep 14, 1976·122 cites·7 claims
- 0897US12009636B2Wavelength-variable laserFURUKAWA ELECTRIC CO LTD·Filed 2023·Granted Jun 11, 2024·2 cites·11 claims
- 0997US11337336B2Cooling deviceFURUKAWA ELECTRIC CO LTD·Filed 2021·Granted May 17, 2022·5 cites·9 claims
- 1097US11314017B2Optical fiberFURUKAWA ELECTRIC CO LTD·Filed 2020·Granted Apr 26, 2022·7 cites·15 claims
- 1197US10677535B1Heat sinkFURUKAWA ELECTRIC CO LTD·Filed 2020·Granted Jun 9, 2020·6 cites·8 claims
- 1297US9891378B2Cascaded core multicore fiber and manufacturing method for sameFURUKAWA ELECTRIC CO LTD·Filed 2017·Granted Feb 13, 2018·12 cites·10 claims
- 1397US9870841B2Aluminum alloy wire rod, aluminum alloy stranded wire, coated wire, wire harness and manufacturing method of aluminum alloy wire rodFURUKAWA ELECTRIC CO LTD·Filed 2017·Granted Jan 16, 2018·9 cites·9 claims
- 1497US7809223B2Polarization-maintaining optical fiber, method of manufacturing polarization-maintaining optical-fiber connecting portion, and polarization-maintaining optical-fiber connecting portionFURUKAWA ELECTRIC CO LTD·Filed 2008·Granted Oct 5, 2010·223 cites·18 claims
- 1597US6082443ACooling device with heat pipeFURUKAWA ELECTRIC CO LTD·Filed 1998·Granted Jul 4, 2000·366 cites·20 claims
- 1697US5885381ANi-Ti-Pd superelastic alloy material, its manufacturing method, and orthodontic archwire made of this alloy materialFURUKAWA ELECTRIC CO LTD·Filed 1998·Granted Mar 23, 1999·87 cites·1 claims
- 1796US11719879B2Optical fiberFURUKAWA ELECTRIC CO LTD·Filed 2021·Granted Aug 8, 2023·5 cites·15 claims
- 1896US11150028B2Cooling device with superimposed fin groups and parallel heatpipesFURUKAWA ELECTRIC CO LTD·Filed 2020·Granted Oct 19, 2021·5 cites·20 claims
- 1996US10020638B2Optical semiconductor device, semiconductor laser module, and optical fiber amplifierFURUKAWA ELECTRIC CO LTD·Filed 2017·Granted Jul 10, 2018·11 cites·6 claims
- 2096US9424961B2Insulated wire, and electric/electronic equipments, motor and transformer using the sameFURUKAWA ELECTRIC CO LTD·Filed 2015·Granted Aug 23, 2016·10 cites·6 claims
- 2196US9318815B2Crimp terminal, connection structural body and method for producing the sameFURUKAWA ELECTRIC CO LTD·Filed 2013·Granted Apr 19, 2016·15 cites·5 claims
- 2296US9263167B2Aluminum alloy wire rod, aluminum alloy stranded wire, coated wire, wire harness and manufacturing method of aluminum alloy wire rodFURUKAWA ELECTRIC CO LTD·Filed 2015·Granted Feb 16, 2016·8 cites·13 claims
- 2396US8632263B2Optical module mounting unit and optical moduleFURUKAWA ELECTRIC CO LTD·Filed 2013·Granted Jan 21, 2014·20 cites·7 claims
- 2496US7788052B2Method and device for determining state of health of the battery, and battery power supply systemFURUKAWA ELECTRIC CO LTD·Filed 2008·Granted Aug 31, 2010·41 cites·14 claims
- 2596US7626394B2Method and apparatus for determining deterioration of secondary battery, and power supply system therewithFURUKAWA ELECTRIC CO LTD·Filed 2008·Granted Dec 1, 2009·69 cites·12 claims
- 2696US7362074B2Method for determining deterioration of accumulator battery, method for measuring internal impedance of secondary battery, equipment for measuring internal impedance of secondary battery, equipment for determining deterioration of secondary battery, and power supply systemFURUKAWA ELECTRIC CO LTD·Filed 2005·Granted Apr 22, 2008·68 cites·11 claims
- 2796US6269866B1Cooling device with heat pipeFURUKAWA ELECTRIC CO LTD·Filed 2000·Granted Aug 7, 2001·214 cites·5 claims
- 2895US11709313B2Optical fiberFURUKAWA ELECTRIC CO LTD·Filed 2022·Granted Jul 25, 2023·2 cites·16 claims
- 2995US11644622B2Reinforcing sleeve, reinforcing structure of spliced portion of optical fiberFURUKAWA ELECTRIC CO LTD·Filed 2022·Granted May 9, 2023·4 cites·13 claims
- 3095US11624871B2Optical fiberFURUKAWA ELECTRIC CO LTD·Filed 2021·Granted Apr 11, 2023·3 cites·10 claims
- 3195US11581706B2Wavelength-variable laserFURUKAWA ELECTRIC CO LTD·Filed 2021·Granted Feb 14, 2023·2 cites·12 claims
- 3295US11547987B2Structured catalyst for oxidation for exhaust gas purification, method for producing same, automobile exhaust gas treatment device, catalytic molding, and gas purification methodFURUKAWA ELECTRIC CO LTD·Filed 2019·Granted Jan 10, 2023·8 cites·13 claims
- 3395US11085703B2HeatsinkFURUKAWA ELECTRIC CO LTD·Filed 2020·Granted Aug 10, 2021·5 cites·10 claims
- 3495US10598441B2Heat sinkFURUKAWA ELECTRIC CO LTD·Filed 2017·Granted Mar 24, 2020·17 cites·7 claims
- 3595US10096394B2Aluminum alloy wire rod, aluminum alloy stranded wire, covered wire and wire harness, and method of manufacturing aluminum alloy wire rodFURUKAWA ELECTRIC CO LTD·Filed 2017·Granted Oct 9, 2018·8 cites·10 claims
- 3695US9994945B2Aluminum alloy wire rod, aluminum alloy stranded wire, covered wire, wire harness, and method of manufacturing aluminum alloy wire rodFURUKAWA ELECTRIC CO LTD·Filed 2017·Granted Jun 12, 2018·5 cites·17 claims
- 3795US9601905B2Optical semiconductor device, semiconductor laser module, and optical fiber amplifierFURUKAWA ELECTRIC CO LTD·Filed 2015·Granted Mar 21, 2017·11 cites·2 claims
- 3895US7692852B2Raman amplifier, optical repeater, and Raman amplification methodFURUKAWA ELECTRIC CO LTD·Filed 2007·Granted Apr 6, 2010·16 cites·20 claims
- 3995US7440167B2Optical fiber for Raman amplification, optical fiber coil, Raman amplifier, and optical communication systemFURUKAWA ELECTRIC CO LTD·Filed 2007·Granted Oct 21, 2008·24 cites·12 claims
- 4095US6490515B1Passenger detecting apparatusFURUKAWA ELECTRIC CO LTD·Filed 2000·Granted Dec 3, 2002·140 cites·7 claims
- 4195US6300573B1Communication cableFURUKAWA ELECTRIC CO LTD·Filed 2000·Granted Oct 9, 2001·122 cites·16 claims
- 4295US4991542AMethod of forming a thin film by plasma CVD and apapratus for forming a thin filmFURUKAWA ELECTRIC CO LTD·Filed 1988·Granted Feb 12, 1991·212 cites·5 claims
- 4394US11905399B2Resin formed body and resin compositionFURUKAWA ELECTRIC CO LTD·Filed 2021·Granted Feb 20, 2024·2 cites·16 claims
- 4494US10571199B2Cooling device with superimposed fin groupsFURUKAWA ELECTRIC CO LTD·Filed 2018·Granted Feb 25, 2020·6 cites·20 claims
- 4594US10483013B2Insulated wire excellent in bending resistance, as well as coil and electric or electronic equipment using the sameFURUKAWA ELECTRIC CO LTD·Filed 2017·Granted Nov 19, 2019·6 cites·6 claims
- 4694US9564691B2Method for manufacturing crimp terminal, crimp terminal, and wire harnessFURUKAWA ELECTRIC CO LTD·Filed 2015·Granted Feb 7, 2017·8 cites·13 claims
- 4794US9263168B2Aluminum alloy wire rod, aluminum alloy stranded wire, coated wire, wire harness and manufacturing method of aluminum alloy wire rodFURUKAWA ELECTRIC CO LTD·Filed 2015·Granted Feb 16, 2016·5 cites·12 claims
- 4894US8382384B2Optical module mounting unit and optical moduleFURUKAWA ELECTRIC CO LTD·Filed 2009·Granted Feb 26, 2013·23 cites·11 claims
- 4994US8014644B2Optical waveguide, optical waveguide module and method for forming optical waveguideFURUKAWA ELECTRIC CO LTD·Filed 2011·Granted Sep 6, 2011·25 cites·19 claims
- 5094US7295741B2Optical fiber, optical fiber ribbon, and optical interconnection systemFURUKAWA ELECTRIC CO LTD·Filed 2005·Granted Nov 13, 2007·38 cites·20 claims
Showing the top 50 of 3,013 patent records by PatentIndex Score.
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