Inventor · disambiguated record
Kazuyuki Sohma
Also filed as: SOHMA KAZUYUKI
24 granted patents·16 pending applications·70 citations·filing 2004–2025
93Inventor score
Top patents by PatentIndex Score
40 records- 0189US10358577B2Ultraviolet-curable resin composition and optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2018·Granted Jul 23, 2019·4 cites·10 claims
- 0289US8989543B2Optical cableSUMITOMO ELECTRIC INDUSTRIES·Filed 2012·Granted Mar 24, 2015·11 cites·18 claims
- 0388US10509161B2Optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2018·Granted Dec 17, 2019·6 cites·6 claims
- 0488US10048436B2Optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2017·Granted Aug 14, 2018·6 cites·12 claims
- 0584US10162108B2Optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2017·Granted Dec 25, 2018·4 cites·5 claims
- 0683US9746605B2Optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2015·Granted Aug 29, 2017·6 cites·5 claims
- 0783US9018528B2Method for producing wiring harness, and wiring harnessKAKUTA TATSUYA·Filed 2010·Granted Apr 28, 2015·5 cites·8 claims
- 0878US8483532B2Low adhesion plastic-cladding optical fiberSOHMA KAZUYUKI·Filed 2011·Granted Jul 9, 2013·5 cites·5 claims
- 0977US2023039163A1Optical fiber, and method of manufacturing optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2022·Application pending·0 cites
- 1074US9229159B2Optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2013·Granted Jan 5, 2016·3 cites·2 claims
- 1173US9054434B2Method for producing wiring harness, and wiring harnessKAKUTA TATSUYA·Filed 2010·Granted Jun 9, 2015·9 cites·20 claims
- 1269US9297950B2Optical fiberSOHMA KAZUYUKI·Filed 2012·Granted Mar 29, 2016·3 cites·5 claims
- 1369US9186078B2Optical fiber sheetSUMITOMO ELECTRIC INDUSTRIES·Filed 2012·Granted Nov 17, 2015·4 cites·5 claims
- 1467US8634687B2Coated plastic cladding optical fiber and optical fiber cableSAKABE ITARU·Filed 2011·Granted Jan 21, 2014·2 cites·8 claims
- 1567US2025172748A1Method of manufacturing optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2025·Application pending·0 cites
- 1665US12111494B2Optical fiber and method for manufacturing optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2021·Granted Oct 8, 2024·0 cites·9 claims
- 1764US12399315B2Method of manufacturing optical fiber and optical-fiber-manufacturing apparatusSUMITOMO ELECTRIC INDUSTRIES·Filed 2022·Granted Aug 26, 2025·0 cites·4 claims
- 1863US2023174408A1Optical fiber eccentric measurement method and optical fiber manufacturing methodSUMITOMO ELECTRIC INDUSTRIES·Filed 2022·Application pending·0 cites
- 1962US2025197271A1Method of manufacturing optical fiber and apparatus for manufacturing optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2023·Application pending·0 cites
- 2061US6997016B2Method and apparatus for manufacturing glass tubeSUMITOMO ELECTRIC INDUSTRIES·Filed 2004·Granted Feb 14, 2006·2 cites·12 claims
- 2161US2024418930A1Optical fiber and optical cableSUMITOMO ELECTRIC INDUSTRIES·Filed 2024·Application pending·0 cites
- 2260US2024294418A1Method for manufacturing optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2024·Application pending·0 cites
- 2358US12054629B2Resin composition, optical fiber, and method for manufacturing optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2020·Granted Aug 6, 2024·0 cites·7 claims
- 2457US11947161B2Resin composition, optical fiber secondary coating material, optical fiber and manufacturing method of optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2020·Granted Apr 2, 2024·0 cites·17 claims
- 2555US12487397B2Optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2022·Granted Dec 2, 2025·0 cites·17 claims
- 2655US11960115B2Optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2020·Granted Apr 16, 2024·0 cites·13 claims
- 2755US11835756B2Optical fiber with primary and secondary coating layersSUMITOMO ELECTRIC INDUSTRIES·Filed 2019·Granted Dec 5, 2023·0 cites·12 claims
- 2855US2023257300A1Method for manufacturing optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2023·Application pending·0 cites
- 2954US9733425B2Optical fiber and process for producing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2015·Granted Aug 15, 2017·0 cites·8 claims
- 3053US2023102849A1Method for producing optical fiber and apparatus for producing optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2021·Application pending·0 cites
- 3153US2024369758A1Optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2022·Application pending·0 cites
- 3249US10809458B2Splicing structure of optical fibersSUMITOMO ELECTRIC INDUSTRIES·Filed 2018·Granted Oct 20, 2020·0 cites·5 claims
- 3349US2021230337A1Resin composition for covering optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2020·Application pending·0 cites
- 3448US2019064433A1Optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2018·Application pending·0 cites
- 3545US2018105462A1Manufacturing method of optical fiber and optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2017·Application pending·0 cites
- 3645US2019384000A1Optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2019·Application pending·0 cites
- 3744US2021149107A1Optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2020·Application pending·0 cites
- 3843US2014178019A1Optical cableSUMITOMO ELECTRIC INDUSTRIES·Filed 2012·Application pending·0 cites
- 3943US2014376866A1Optical fiber and optical cableSUMITOMO ELECTRIC INDUSTRIES·Filed 2012·Application pending·0 cites
- 4040US10451796B2Optical fiber and method for producing optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2017·Granted Oct 22, 2019·0 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →