Inventor · disambiguated record
Tomoyuki Yokokawa
Also filed as: YOKOKAWA TOMOYUKI
21 granted patents·3 pending applications·373 citations·filing 1998–2020
95Inventor score
Top patents by PatentIndex Score
24 records- 0195US7321709B2Optical cableSUMITOMO ELECTRIC INDUSTRIES·Filed 2005·Granted Jan 22, 2008·46 cites·15 claims
- 0293US6229944B1Optical fiber cableSUMITOMO ELECTRIC INDUSTRIES·Filed 1999·Granted May 8, 2001·129 cites·11 claims
- 0392US10677996B2Optical connector, detaching jig, and capSEI OPTIFRONTIER CO LTD·Filed 2019·Granted Jun 9, 2020·15 cites·18 claims
- 0492US6545222B2Cable, and method for removing sheath at intermediate part of cableSUMITOMO ELECTRIC INDUSTRIES·Filed 2001·Granted Apr 8, 2003·77 cites·4 claims
- 0580US6757465B1Optical fiber cable and method of producing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2000·Granted Jun 29, 2004·22 cites·8 claims
- 0678US11209604B2Connecting harnessSUMITOMO ELECTRIC INDUSTRIES·Filed 2020·Granted Dec 28, 2021·2 cites·23 claims
- 0778US11073671B2Termination unitSEI OPTIFRONTIER CO LTD·Filed 2017·Granted Jul 27, 2021·3 cites·11 claims
- 0877US7637125B2Glass tube processing method, apparatus and glass tubeSUMITOMO ELECTRIC INDUSTRIES·Filed 2004·Granted Dec 29, 2009·7 cites·7 claims
- 0975US10591693B2Termination unit and optical fiber exchange method using the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2018·Granted Mar 17, 2020·2 cites·9 claims
- 1072US8024945B2Glass tube processing apparatusSUMITOMO ELECTRIC INDUSTRIES·Filed 2009·Granted Sep 27, 2011·1 cites·1 claims
- 1171US7068901B2Optical fiber preform producing method, optical fiber production method, and optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2003·Granted Jun 27, 2006·6 cites·27 claims
- 1270US8015845B2Glass tube processing methodSUMITOMO ELECTRIC INDUSTRIES·Filed 2010·Granted Sep 13, 2011·1 cites·12 claims
- 1370US7376316B2Manufacturing method of optical fiber preform, manufacturing method of optical fiber, and optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2004·Granted May 20, 2008·5 cites·20 claims
- 1469USD828811SHousing for an optical fiber connectorSEI OPTIFRONTIER CO LTD·Filed 2017·Granted Sep 18, 2018·12 cites·1 claims
- 1569US7010203B2Optical fiber manufacturing method and optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2003·Granted Mar 7, 2006·5 cites·16 claims
- 1668US6411761B1Optical fiber cableSUMITOMO ELECTRIC INDUSTRIES·Filed 2000·Granted Jun 25, 2002·11 cites·3 claims
- 1763US7239783B2Optical fiber, dispersion compensator, and optical transmission systemSUMITOMO ELECTRIC INDUSTRIES·Filed 2003·Granted Jul 3, 2007·7 cites·33 claims
- 1852US6122427ASpacer type optical fiber cableSUMITOMO ELECTRIC INDUSTRIES·Filed 1998·Granted Sep 19, 2000·17 cites·9 claims
- 1947US7016581B2Dispersion compensation unit and optical communication systemSUMITOMO ELECTRIC INDUSTRIES·Filed 2003·Granted Mar 21, 2006·1 cites·29 claims
- 2046USD828812SPull tab for an optical fiber connectorSEI OPTIFRONTIER CO LTD·Filed 2017·Granted Sep 18, 2018·4 cites·1 claims
- 2140US7206484B2Optical fiber, dispersion compensator, and optical transmission systemSUMITOMO ELECTRIC INDUSTRIES·Filed 2003·Granted Apr 17, 2007·0 cites·59 claims
- 2239US2019361177A1Optical connector and optical fiber with connectorSEI OPTIFRONTIER CO LTD·Filed 2017·Application pending·0 cites
- 2339US2019391343A1Optical connector and optical fiber with connectorSEI OPTIFRONTIER CO LTD·Filed 2017·Application pending·0 cites
- 2438US2019293889A1Optical wiring rackSEI OPTIFRONTIER CO LTD·Filed 2017·Application pending·0 cites
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