Inventor · disambiguated record
Koki Hirano
Also filed as: HIRANO KOKI
46 granted patents·7 pending applications·281 citations·filing 1981–2023
97Inventor score
Files withHITACHI METALS LTD25HITACHI CABLE9IDEMITSU PETROCHEMICAL CO7JIDOSHA DENKI KOGYO KK2USHIWATA TAKAMI2
Top patents by PatentIndex Score
53 records- 0189US7995875B2Mirror-embedded optical waveguide and fabrication method of sameHITACHI CABLE·Filed 2008·Granted Aug 9, 2011·20 cites·3 claims
- 0287US7794158B2Fabrication method of optical interconnection component and optical interconnection component itselfHITACHI CABLE·Filed 2007·Granted Sep 14, 2010·19 cites·7 claims
- 0385US7905663B2Electronic apparatus and photoelectric conversion moduleHITACHI CABLE·Filed 2009·Granted Mar 15, 2011·8 cites·7 claims
- 0484US11610699B2Multi-core cable and signal transmission pathHITACHI METALS LTD·Filed 2021·Granted Mar 21, 2023·2 cites·20 claims
- 0578US4399380AAir cooled wiper motorJIDOSHA DENKI KOGYO KK·Filed 1981·Granted Aug 16, 1983·31 cites·6 claims
- 0676US4559484AStop-position controlling device for electric windshield wiperJIDOSHA DENKI KOGYO KK·Filed 1984·Granted Dec 17, 1985·26 cites·7 claims
- 0775US8452181B2Combined optical and electrical transmission assembly and moduleYASUDA HIROKI·Filed 2008·Granted May 28, 2013·7 cites·17 claims
- 0872US12372471B2Resin composition quality controlling method, cable and tube quality controlling method, determination device, inspection system, cable, and tubeHITACHI METALS LTD·Filed 2022·Granted Jul 29, 2025·0 cites·5 claims
- 0972US6667359B1Polypropylene compositions for automotive partsIDEMITSU PETROCHEMICAL CO·Filed 2000·Granted Dec 23, 2003·12 cites·12 claims
- 1072US5486561APolypropylene resin compositionIDEMITSU PETROCHEMICAL CO·Filed 1993·Granted Jan 23, 1996·27 cites·6 claims
- 1170US8027553B2Connected body and optical transceiver moduleHITACHI CABLE·Filed 2007·Granted Sep 27, 2011·5 cites·9 claims
- 1269US9887499B2Communication cable connector and communication cable with connectorHITACHI METALS LTD·Filed 2015·Granted Feb 6, 2018·3 cites·12 claims
- 1369US2024087771A1Cable connection structure and method for manufacturing cable connection structurePROTERIAL LTD·Filed 2023·Application pending·0 cites
- 1468US8155493B2Flexible optical waveguide and process for its productionUSHIWATA TAKAMI·Filed 2009·Granted Apr 10, 2012·3 cites·10 claims
- 1567US11946924B2Crosslinked fluoropolymer resin and control method for sameHITACHI METALS LTD·Filed 2021·Granted Apr 2, 2024·0 cites·5 claims
- 1667US8116633B2Optical-electrical transceiver moduleYASUDA HIROKI·Filed 2009·Granted Feb 14, 2012·4 cites·9 claims
- 1765US9583894B2Cable signal detector and connectorized communication cableHITACHI METALS LTD·Filed 2015·Granted Feb 28, 2017·2 cites·19 claims
- 1864US7509001B2Optical circuit boardHITACHI CABLE·Filed 2007·Granted Mar 24, 2009·2 cites·2 claims
- 1963US11996217B2Shielded cableHITACHI METALS LTD·Filed 2022·Granted May 28, 2024·0 cites·14 claims
- 2062US5527581ACar interior member and molding method of the sameIDEMITSU PETROCHEMICAL CO·Filed 1994·Granted Jun 18, 1996·23 cites·20 claims
- 2161US10270676B2Signal detecting deviceHITACHI METALS LTD·Filed 2016·Granted Apr 23, 2019·1 cites·16 claims
- 2261US9746368B2Communication light detection adapter and light communication detection structure for checking an optical communication lineHITACHI METALS LTD·Filed 2015·Granted Aug 29, 2017·1 cites·10 claims
- 2361US6303071B1Method and apparatus for producing a blow molded articleIDEMITSU PETROCHEMICAL CO·Filed 1997·Granted Oct 16, 2001·21 cites·16 claims
- 2459US5786427AHighly rigid propylenic resin and blow molded article made therefromIDEMITSU PETROCHEMICAL CO·Filed 1997·Granted Jul 28, 1998·15 cites·7 claims
- 2558US10643762B2Insulated wire and cableHITACHI METALS LTD·Filed 2017·Granted May 5, 2020·0 cites·20 claims
- 2658US7805042B2Flexible optical interconnection structure and method for fabricating sameHITACHI CABLE·Filed 2008·Granted Sep 28, 2010·2 cites·16 claims
- 2756US8218923B2Optical waveguide substrate with optical fiber fixation groove, process for its production, stamps for use in this production process, and opto-electronic hybrid integrated module including said optical waveguide substrateUSHIWATA TAKAMI·Filed 2009·Granted Jul 10, 2012·0 cites·9 claims
- 2856US5714227ACar interior member and method for producing the sameIDEMITSU PETROCHEMICAL CO·Filed 1996·Granted Feb 3, 1998·24 cites·22 claims
- 2954US2011206922A1Foaming polypropylene resin composition and molded foam using the samePRIME POLYMER CO LTD·Filed 2009·Application pending·0 cites
- 3053US11905486B2Viscosity index improver composition and lubricating oil compositionIDEMITSU KOSAN CO·Filed 2020·Granted Feb 20, 2024·0 cites·8 claims
- 3153US9608393B2Repeater with two connectors mounted on two opposite sides of a circuit boardHITACHI METALS LTD·Filed 2016·Granted Mar 28, 2017·1 cites·12 claims
- 3252US10254197B2Optical fiber monitoring systemHITACHI METALS LTD·Filed 2017·Granted Apr 9, 2019·0 cites·9 claims
- 3350US8787764B2Photoelectric composite wiring component and electronic apparatus using the photoelectric composite wiring componentFUKASAKU IZUMI·Filed 2007·Granted Jul 22, 2014·1 cites·13 claims
- 3447US6711326B2Wavelength separation optical device and multiple wavelength light transmission moduleHITACHI CABLE·Filed 2003·Granted Mar 23, 2004·1 cites·3 claims
- 3547US6704478B2Wavelength separation optical device and multiple wavelength light transmission moduleHITACHI CABLE·Filed 2002·Granted Mar 9, 2004·1 cites·4 claims
- 3645US9979555B2Communication monitoring deviceHITACHI METALS LTD·Filed 2016·Granted May 22, 2018·0 cites·7 claims
- 3745US9769039B2Communication visualization deviceHITACHI METALS LTD·Filed 2015·Granted Sep 19, 2017·0 cites·8 claims
- 3845US5425926AProcess of coating molded article of olefinic resinSUZUKI MOTOR CO·Filed 1994·Granted Jun 20, 1995·12 cites·7 claims
- 3942US9729354B2Cable signal detectorHITACHI METALS LTD·Filed 2015·Granted Aug 8, 2017·0 cites·17 claims
- 4042US9692683B2Communication visualization systemHITACHI METALS LTD·Filed 2015·Granted Jun 27, 2017·0 cites·12 claims
- 4142US9470578B2Optical transmission moduleHITACHI METALS LTD·Filed 2015·Granted Oct 18, 2016·0 cites·5 claims
- 4242US5736613AHighly rigid propylenic resin and blow molded article made therefromIDEMITSU PETROCHEMICAL CO·Filed 1995·Granted Apr 7, 1998·7 cites·8 claims
- 4341US2006083461A1Multimode wavelength multiplexing optical transceiverHITACHI CABLE·Filed 2005·Application pending·0 cites
- 4440US9712372B2Cable signal detectorHITACHI METALS LTD·Filed 2015·Granted Jul 18, 2017·0 cites·19 claims
- 4539US9842482B2Signal detecting deviceHITACHI METALS LTD·Filed 2016·Granted Dec 12, 2017·0 cites·6 claims
- 4638US10149378B2Communication deviceHITACHI METALS LTD·Filed 2016·Granted Dec 4, 2018·0 cites·7 claims
- 4738US2016105340A1RepeaterHITACHI METALS LTD·Filed 2015·Application pending·0 cites
- 4836US10075211B2Crosstalk reduction method and repeaterHITACHI METALS LTD·Filed 2015·Granted Sep 11, 2018·0 cites·20 claims
- 4936US9826631B2RepeaterHITACHI METALS LTD·Filed 2016·Granted Nov 21, 2017·0 cites·12 claims
- 5036US9389376B2Optical transmission moduleHITACHI METALS LTD·Filed 2015·Granted Jul 12, 2016·0 cites·6 claims
Showing the top 50 of 53 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →