Inventor · disambiguated record
Kazuhito Saito
Also filed as: SAITO KAZUHITO
44 granted patents·13 pending applications·758 citations·filing 1977–2025
98Inventor score
Files withSUMITOMO ELECTRIC INDUSTRIES36IDEMITSU KOSAN CO5KOKUSAI ELECTRIC CORP4RICOH KK4HITACHI INT ELECTRIC INC2
Top patents by PatentIndex Score
57 records- 0196US4830456AOptical connector and process for producing the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1987·Granted May 16, 1989·130 cites·47 claims
- 0287US4316262ARemote meter reading systemRICOH KK·Filed 1979·Granted Feb 16, 1982·31 cites·5 claims
- 0385US5613021AOptical fiber switching device having one of a robot mechanism and an optical fiber length adjustment unitSUMITOMO ELECTRIC INDUSTRIES·Filed 1995·Granted Mar 18, 1997·62 cites·16 claims
- 0483US8297850B2Optical connector, and method of assembling optical connectorNISHIOKA DAIZO·Filed 2005·Granted Oct 30, 2012·15 cites·13 claims
- 0581US5044711AOptical-fiber aligning member and method of forming the memberSUMITOMO ELECTRIC INDUSTRIES·Filed 1990·Granted Sep 3, 1991·53 cites·17 claims
- 0681US4950048AOptical connector ferruleSUMITOMO ELECTRIC INDUSTRIES·Filed 1987·Granted Aug 21, 1990·46 cites·18 claims
- 0780US7618200B2Photoelectric coupling assembly and manufacturing method thereofSUMITOMO ELECTRIC INDUSTRIES·Filed 2007·Granted Nov 17, 2009·8 cites·11 claims
- 0879US5483608AOptical switch for switching plural optical fibersSUMITOMO ELECTRIC INDUSTRIES·Filed 1994·Granted Jan 9, 1996·53 cites·12 claims
- 0979US5446810AOptical switch, optical fiber arranging member and method of manufacturing the optical fiber arranging memberSUMITOMO ELECTRIC INDUSTRIES·Filed 1993·Granted Aug 29, 1995·50 cites·23 claims
- 1076US7268097B2Desulfurizing agent for hydrocarbon derived from petroleum, method for producing hydrogen for use in fuel cell and method for producing nickel-based desulfurizing agentIDEMITSU KOSAN CO·Filed 2001·Granted Sep 11, 2007·20 cites·22 claims
- 1176US6854897B2Ferrule part and optical communications moduleSUMITOMO ELECTRIC INDUSTRIES·Filed 2003·Granted Feb 15, 2005·18 cites·20 claims
- 1273US7717623B2Optical connector and optical connector assembling methodSUMITOMO ELECTRIC INDUSTRIES·Filed 2006·Granted May 18, 2010·7 cites·18 claims
- 1373US7364369B2Lead frame, optical coupling part using lead frame, and manufacturing method of optical coupling partSUMITOMO ELECTRIC INDUSTRIES·Filed 2007·Granted Apr 29, 2008·5 cites·6 claims
- 1471US7957616B2Method of producing an optical connecting component, and optical connecting componentSUMITOMO ELECTRIC INDUSTRIES·Filed 2007·Granted Jun 7, 2011·2 cites·6 claims
- 1571US2025308962A1Substrate processing apparatus, substrate processing method, method of manufacturing semiconductor device and non-transitory computer-readable recording mediumKOKUSAI ELECTRIC CORP·Filed 2025·Application pending·0 cites
- 1668US5581644ATransmission line switching apparatusSUMITOMO ELECTRIC INDUSTRIES·Filed 1994·Granted Dec 3, 1996·27 cites·40 claims
- 1767US7712975B2Photoelectric coupling assembly and manufacturing method thereofSUMITOMO ELECTRIC INDUSTRIES·Filed 2009·Granted May 11, 2010·3 cites·6 claims
- 1867US7645075B2Optical connection structure of optical backplane to circuit substrateNEC CORP·Filed 2006·Granted Jan 12, 2010·4 cites·6 claims
- 1966US12362210B2Substrate processing apparatus, method of manufacturing semiconductor device and non-transitory computer-readable recording mediumKOKUSAI ELECTRIC CORP·Filed 2022·Granted Jul 15, 2025·0 cites·15 claims
- 2066US7021842B2Optical fiber arraySUMITOMO ELECTRIC INDUSTRIES·Filed 2002·Granted Apr 4, 2006·10 cites·19 claims
- 2165US4983012AOptical fiber connectorSUMITOMO ELECTRIC INDUSTRIES·Filed 1990·Granted Jan 8, 1991·27 cites·4 claims
- 2265US4352104ARemote meter reading apparatusRICOH KK·Filed 1980·Granted Sep 28, 1982·23 cites·11 claims
- 2364US10998210B2Substrate processing apparatusKOKUSAI ELECTRIC CORP·Filed 2018·Granted May 4, 2021·1 cites·10 claims
- 2464US7401983B2Method for manufacturing optical coupling part and optical coupling partSUMITOMO ELECTRIC INDUSTRIES·Filed 2006·Granted Jul 22, 2008·3 cites·10 claims
- 2564US6964523B2Optical switch, optical-fiber-arraying-member, production method thereof, and arraying method of optical fibersSUMITOMO ELECTRIC INDUSTRIES·Filed 2003·Granted Nov 15, 2005·7 cites·6 claims
- 2664US5436987ATransmission line switching apparatus including connected optical fibersSUMITOMO ELECTRIC INDUSTRIES·Filed 1994·Granted Jul 25, 1995·25 cites·40 claims
- 2763US2024295042A1Solid-electrolyte-type electrolyzer and method for maintaining sameIDEMITSU KOSAN CO·Filed 2022·Application pending·0 cites
- 2862US5386485AOptical fiber switching device having an optical fiber length adjustment unit and method for using the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1993·Granted Jan 31, 1995·19 cites·40 claims
- 2960US8321046B2Substrate processing apparatusSUEYOSHI MASAKO·Filed 2011·Granted Nov 27, 2012·2 cites·8 claims
- 3059US4162484AData collection systemRICOH KK·Filed 1977·Granted Jul 24, 1979·7 cites·4 claims
- 3155US7600927B2Optical splicer, optical module, and method of producing optical splicerSUMITOMO ELECTRIC INDUSTRIES·Filed 2007·Granted Oct 13, 2009·1 cites·3 claims
- 3254US7680365B2Optical fiber sheet and its manufacturing methodSUMITOMO ELECTRIC INDUSTRIES·Filed 2006·Granted Mar 16, 2010·1 cites·5 claims
- 3351US5926588AOptical switchSUMITOMO ELECTRIC INDUSTRIES·Filed 1994·Granted Jul 20, 1999·13 cites·36 claims
- 3450US6711322B1Optical switch, optical-fiber-arraying-member, production method thereof, and arraying method of optical fibersSUMITOMO ELECTRIC INDUSTRIES·Filed 1999·Granted Mar 23, 2004·13 cites·30 claims
- 3550US5661826ATransmission line switching apparatusSUMITOMO ELECTRIC INDUSTRIES·Filed 1996·Granted Aug 26, 1997·13 cites·4 claims
- 3648US8844602B2Method of processing terminus of optical fiber and terminus processing toolSAITO KAZUHITO·Filed 2008·Granted Sep 30, 2014·4 cites·7 claims
- 3747US8014887B2Substrate processing apparatusHITACHI INT ELECTRIC INC·Filed 2007·Granted Sep 6, 2011·0 cites·20 claims
- 3847US5504825AOptical fiber switching device and methodSUMITOMO ELECTRIC INDUSTRIES·Filed 1994·Granted Apr 2, 1996·10 cites·20 claims
- 3947US5337378AOptical fiber switch including partitions for restricting surplus fibersSUMITOMO ELECTRIC INDUSTRIES·Filed 1993·Granted Aug 9, 1994·13 cites·20 claims
- 4047US2011116745A1Optical connector, and assembling method of optical connectorSUMITOMO ELECTRIC INDUSTRIES·Filed 2011·Application pending·0 cites
- 4146US7142771B2Method of and apparatus for expanding mode field diameter of optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2003·Granted Nov 28, 2006·1 cites·12 claims
- 4246US6002819AOptical switch and switching methodSUMITOMO ELECTRIC INDUSTRIES·Filed 1997·Granted Dec 14, 1999·14 cites·31 claims
- 4344US2008090115A1Desulfurizing Agent for Organousulfur Compound-Containing Fuel Oil, and Process for Producing Hydrogen for Fuel CellIDEMITSU KOSAN CO·Filed 2005·Application pending·0 cites
- 4443US2009075131A1Desulfurizing agent and method of desulfurization with the sameIDEMITSU KOSAN CO·Filed 2006·Application pending·0 cites
- 4543US2004052458A1Optical waveguide deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 2003·Application pending·0 cites
- 4641US2020216961A1Substrate processing apparatus, a non-transitory computer-readable recording mediumKOKUSAI ELECTRIC CORP·Filed 2020·Application pending·0 cites
- 4741US2002003927A1Optical deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 2001·Application pending·0 cites
- 4840US8303738B2Metal heating apparatus, metal heating method, and light source apparatusYAMADA EIICHIRO·Filed 2004·Granted Nov 6, 2012·0 cites·39 claims
- 4940US5940553AOptical switchSUMITOMO ELECTRIC INDUSTRIES·Filed 1997·Granted Aug 17, 1999·7 cites·13 claims
- 5039US7510648B2Method for desulfurization of liquid hydrocarbons and process for production of hydrogen for fuel cellsIDEMITSU KOSAN CO·Filed 2003·Granted Mar 31, 2009·0 cites·5 claims
Showing the top 50 of 57 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →