Inventor · disambiguated record
Kenichiro Ohtsuka
Also filed as: OHTSUKA KENICHIRO
37 granted patents·5 pending applications·680 citations·filing 1997–2017
98Inventor score
Files withSUMITOMO ELECTRIC INDUSTRIES21SEI OPTIFRONTIER CO LTD6OHTSUKA KENICHIRO5MATSUSHITA ELECTRIC WORKS LTD2OHMURA MASAKI2
Top patents by PatentIndex Score
42 records- 0194US10539745B2Optical connectorSEI OPTIFRONTIER CO LTD·Filed 2015·Granted Jan 21, 2020·52 cites·4 claims
- 0292US6409394B1Optical connectorSUMITOMO ELECTRIC INDUSTRIES·Filed 2000·Granted Jun 25, 2002·59 cites·4 claims
- 0391US6062740AOptical connector and method of making the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1998·Granted May 16, 2000·108 cites·12 claims
- 0489US10641971B2Optical connectorSEI OPTIFRONTIER CO LTD·Filed 2017·Granted May 5, 2020·8 cites·2 claims
- 0588US10197739B2Optical connector plug, receptacle for optical connector, and optical connector connection structureSEI OPTIFRONTIER CO LTD·Filed 2016·Granted Feb 5, 2019·15 cites·12 claims
- 0688US10114179B2Optical connector, pin keeper, pin insertion jig, expansion member, and pin insertion toolSEI OPTIFRONTIER CO LTD·Filed 2015·Granted Oct 30, 2018·9 cites·12 claims
- 0788US10101551B2Multi-core/single-core conversion module and multi-core/single-core conversion apparatusSEI OPTIFRONTIER CO LTD·Filed 2017·Granted Oct 16, 2018·6 cites·22 claims
- 0888US6377743B1Optical fiber holderSUMITOMO ELECTRIC INDUSTRIES·Filed 2000·Granted Apr 23, 2002·40 cites·10 claims
- 0987US6095695AOptical connector, and using method and tool thereofSUMITOMO ELECTRIC INDUSTRIES·Filed 1997·Granted Aug 1, 2000·70 cites·19 claims
- 1086US8196793B2Optical fiber cutting apparatus and optical fiber cutting methodOHMURA MASAKI·Filed 2007·Granted Jun 12, 2012·10 cites·7 claims
- 1186US7534051B2Optical fiber connector, optical fiber connecting method, and connector converterSUMITOMO ELECTRIC INDUSTRIES·Filed 2007·Granted May 19, 2009·16 cites·14 claims
- 1285US6565265B2Optical connector and method of assembling optical connectorSUMITOMO ELECTRIC INDUSTRIES·Filed 2001·Granted May 20, 2003·31 cites·9 claims
- 1384US6293708B1Optical connector, and using method and tool thereofSUMITOMO ELECTRIC INDUSTRIES·Filed 2000·Granted Sep 25, 2001·24 cites·6 claims
- 1483US8297850B2Optical connector, and method of assembling optical connectorNISHIOKA DAIZO·Filed 2005·Granted Oct 30, 2012·15 cites·13 claims
- 1580US7341381B2Optical connectorFURUKAWA ELECTRIC CO LTD·Filed 2006·Granted Mar 11, 2008·15 cites·9 claims
- 1676US6331081B1Optical transmission member and manufacturing method thereforSUMITOMO ELECTRIC INDUSTRIES·Filed 1998·Granted Dec 18, 2001·43 cites·14 claims
- 1775US7731429B2Optical connector and method of attaching optical fiber cord to optical connectorSUMITOMO ELECTRIC INDUSTRIES·Filed 2007·Granted Jun 8, 2010·7 cites·8 claims
- 1874US9958620B2Optical fiber with connectorSEI OPTIFRONTIER CO LTD·Filed 2015·Granted May 1, 2018·3 cites·7 claims
- 1974US9176295B2Stranded optical cable with connectorsSAKABE ITARU·Filed 2011·Granted Nov 3, 2015·4 cites·7 claims
- 2074US8254741B2Optical cable connecting closure and optical interconnection systemIMAIZUMI TSUYOSHI·Filed 2008·Granted Aug 28, 2012·13 cites·11 claims
- 2174US7052187B2Optical connector ferrule, optical connector and making method for themSUMITOMO ELECTRIC INDUSTRIES·Filed 2002·Granted May 30, 2006·15 cites·12 claims
- 2273US7717623B2Optical connector and optical connector assembling methodSUMITOMO ELECTRIC INDUSTRIES·Filed 2006·Granted May 18, 2010·7 cites·18 claims
- 2371US7512307B2Method of making optical connector ferrule, die for making optical connector ferrule, optical connector ferrule made by this method, and optical connector and optical wiring system using the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2006·Granted Mar 31, 2009·2 cites·10 claims
- 2471US7410303B2Method and metal mold for manufacturing optical connector ferrule, optical connector ferrule manufactured by using the method, and optical connector and optical wiring system using the ferruleSUMITOMO ELECTRIC INDUSTRIES·Filed 2002·Granted Aug 12, 2008·8 cites·16 claims
- 2568US8480311B2Optical connector, method of attaching the optical connector to coated optical fiber, and optical connection memberOHTSUKA KENICHIRO·Filed 2008·Granted Jul 9, 2013·5 cites·21 claims
- 2667US8478100B2Optical cable gripping memberTODA YOSHINOBU·Filed 2009·Granted Jul 2, 2013·6 cites·3 claims
- 2767US6264375B1Fiber optic connector ferrule and method of making the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1999·Granted Jul 24, 2001·29 cites·5 claims
- 2866US6964525B2Optical connector and backplane assemblySUMITOMO ELECTRIC INDUSTRIES·Filed 2004·Granted Nov 15, 2005·9 cites·16 claims
- 2966US6196732B1Optical connector, method of making the same, and ferrule for optical connectorSUMITOMO ELECTRIC INDUSTRIES·Filed 1999·Granted Mar 6, 2001·27 cites·12 claims
- 3061US8511910B2Optical connector and method of assembling the sameOHTSUKA KENICHIRO·Filed 2008·Granted Aug 20, 2013·3 cites·5 claims
- 3160US7927025B2Optical fiber branch cable, method of wiring the same, and method of providing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2007·Granted Apr 19, 2011·3 cites·13 claims
- 3255US8292514B2Optical connecting member and method of fitting the sameOHTSUKA KENICHIRO·Filed 2008·Granted Oct 23, 2012·2 cites·4 claims
- 3352US7162126B2Optical module having a semiconductor optical device mounted on a bared cladding of an optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2004·Granted Jan 9, 2007·3 cites·15 claims
- 3449US8434948B2Optical fiber connector and optical cableOHTSUKA KENICHIRO·Filed 2008·Granted May 7, 2013·2 cites·8 claims
- 3549US6676300B2Ferrule for optical connector and making method thereofSUMITOMO ELECTRIC INDUSTRIES·Filed 2002·Granted Jan 13, 2004·2 cites·16 claims
- 3647US2011116745A1Optical connector, and assembling method of optical connectorSUMITOMO ELECTRIC INDUSTRIES·Filed 2011·Application pending·0 cites
- 3746USD556688SOptical communication connectorMATSUSHITA ELECTRIC WORKS LTD·Filed 2005·Granted Dec 4, 2007·6 cites·1 claims
- 3843US2009224019A1Optical fiber cutting method, device used in same method, and connector assembly method including same methodSUMITOMO ELECTRIC INDUSTRIES·Filed 2007·Application pending·0 cites
- 3942US2010187276A1Optical fiber cutting device, optical fiber cutting method, and optical fiber cutting blade memberOHMURA MASAKI·Filed 2008·Application pending·0 cites
- 4041US2010247039A1Optical connector and method of assembling the sameOHTSUKA KENICHIRO·Filed 2008·Application pending·0 cites
- 4138USD571301SCore connector for an optical communication connectorMATSUSHITA ELECTRIC WORKS LTD·Filed 2005·Granted Jun 17, 2008·3 cites·1 claims
- 4238US2002102068A1Ferrule for optical connectorFiled 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →