Inventor · disambiguated record
Takatoshi Kato
Also filed as: KATO TAKATOSHI
99 granted patents·28 pending applications·1,674 citations·filing 1989–2025
99Inventor score
Files withSUMITOMO ELECTRIC INDUSTRIES60MURATA MANUFACTURING CO33HITACHI LTD9KATO TAKATOSHI6NAKAGAWA KAZUSHI3
Top patents by PatentIndex Score
127 records- 0198US6266467B1Optical fiber and optical transmission system including the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2000·Granted Jul 24, 2001·119 cites·39 claims
- 0296US5822488ASingle-mode optical fiber with plural core portionsSUMITOMO ELECTRIC INDUSTRIES·Filed 1996·Granted Oct 13, 1998·62 cites·14 claims
- 0395US6535677B1Dispersion-managed optical fiber, method of manufacturing the same, optical communication system including the same and optical fiber preform thereforSUMITOMO ELECTRIC INDUSTRIES·Filed 2000·Granted Mar 18, 2003·39 cites·77 claims
- 0494US6658190B2Optical fiber and optical communication system including the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2000·Granted Dec 2, 2003·70 cites·22 claims
- 0594US6415089B2Optical fiber and optical transmission system including the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2001·Granted Jul 2, 2002·48 cites·8 claims
- 0692US8041226B2Optical transceiver with equalizing function and a method to setup the optical transceiverSUMITOMO ELECTRIC INDUSTRIES·Filed 2008·Granted Oct 18, 2011·24 cites·7 claims
- 0791US7934006B2Device management systemHITACHI LTD·Filed 2007·Granted Apr 26, 2011·28 cites·8 claims
- 0890US11953351B2Tactile and proximity sensorMURATA MANUFACTURING CO·Filed 2021·Granted Apr 9, 2024·2 cites·20 claims
- 0990US9319142B2Full-duplex optical transceiver applicable to digital coherent systemSUMITOMO ELECTRIC INDUSTRIES·Filed 2014·Granted Apr 19, 2016·12 cites·11 claims
- 1090US5721800ADispersion-shifted fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 1997·Granted Feb 24, 1998·103 cites·8 claims
- 1189US11557821B2Millimeter wave module including first and second conductor patterns connected by first and second conductive members extending through an insulating substrate and methods of manufactureMURATA MANUFACTURING CO·Filed 2020·Granted Jan 17, 2023·2 cites·6 claims
- 1289US8015417B2Remote access system, gateway, client device, program, and storage mediumHITACHI LTD·Filed 2005·Granted Sep 6, 2011·20 cites·8 claims
- 1389US7607140B2Device management systemHITACHI LTD·Filed 2006·Granted Oct 20, 2009·25 cites·5 claims
- 1489US6188360B1Radio-frequency radiation source, radio frequency radiation source array, antenna module, and radio equipmentMURATA MANUFACTURING CO·Filed 1999·Granted Feb 13, 2001·49 cites·31 claims
- 1587US6477306B2Dispersion-compensating optical fiber, and, optical transmission line and dispersion-compensating module respectively including the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2000·Granted Nov 5, 2002·34 cites·31 claims
- 1686US12089002B2Bioacoustic sensor and stethoscope including the sameMURATA MANUFACTURING CO·Filed 2022·Granted Sep 10, 2024·1 cites·10 claims
- 1786US6072929ADispersion-shifted fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 1997·Granted Jun 6, 2000·64 cites·18 claims
- 1885US6400877B1Negative-dispersion optical fiber and optical transmission line incorporating the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2001·Granted Jun 4, 2002·29 cites·26 claims
- 1984US11698295B2Optical sensor including a hard resin and a soft resin and proximity sensor including the sameMURATA MANUFACTURING CO·Filed 2022·Granted Jul 11, 2023·1 cites·20 claims
- 2084US8502616B2Composite electronic moduleMURATA MANUFACTURING CO·Filed 2013·Granted Aug 6, 2013·5 cites·20 claims
- 2184US8413214B2Terminal system for guaranteeing authenticity, terminal, and terminal management serverKATO TAKATOSHI·Filed 2010·Granted Apr 2, 2013·10 cites·7 claims
- 2284US6791776B2Apparatus for information recording and reproducingHITACHI LTD·Filed 2001·Granted Sep 14, 2004·18 cites·8 claims
- 2384US6628230B2Radio frequency module, communication device, and radar deviceMURATA MANUFACTURING CO·Filed 2002·Granted Sep 30, 2003·21 cites·15 claims
- 2484US6360046B1Dispersion-shifted optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2000·Granted Mar 19, 2002·29 cites·14 claims
- 2583US6181858B1Dispersion-shifted fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 1998·Granted Jan 30, 2001·64 cites·8 claims
- 2683US5852701ADispersion-shifted fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 1997·Granted Dec 22, 1998·66 cites·25 claims
- 2782US9654415B2Information processing system, management server group, and server management programKATO TAKATOSHI·Filed 2012·Granted May 16, 2017·7 cites·12 claims
- 2882US8525610B2Composite electronic module and method of manufacturing composite electronic moduleKATO TAKATOSHI·Filed 2011·Granted Sep 3, 2013·5 cites·5 claims
- 2982US6980385B2Apparatus for information recording and reproducingHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted Dec 27, 2005·15 cites·12 claims
- 3081US6335995B1Dispersion-shifted fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2000·Granted Jan 1, 2002·21 cites·5 claims
- 3180US6515554B2High-frequency circuit device and communication apparatusMURATA MANUFACTURING CO·Filed 2001·Granted Feb 4, 2003·13 cites·15 claims
- 3280US6256440B1Dispersion-shifted optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2000·Granted Jul 3, 2001·19 cites·29 claims
- 3379US11933684B2Tactile and proximity sensor, and sensor arrayMURATA MANUFACTURING CO·Filed 2020·Granted Mar 19, 2024·1 cites·18 claims
- 3479US6681072B2Optical fiber, method of making optical fiber preform, and method of making optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2001·Granted Jan 20, 2004·9 cites·10 claims
- 3579US6567596B2Optical fiber suitable for use in WDM transmission systemSUMITOMO ELECTRIC INDUSTRIES·Filed 2000·Granted May 20, 2003·20 cites·10 claims
- 3678US6614976B2Optical fiber having a large positive dispersionSUMITOMO ELECTRIC INDUSTRIES·Filed 2002·Granted Sep 2, 2003·18 cites·14 claims
- 3778US6556758B2Optical fiber and optical transmission line including the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2001·Granted Apr 29, 2003·20 cites·21 claims
- 3878US6169837B1Dispersion-flattened optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 1998·Granted Jan 2, 2001·48 cites·20 claims
- 3978US6062046AMethod of making a single-mode optical fiber with multiple concentric core portions including the RIT processSUMITOMO ELECTRIC INDUSTRIES·Filed 1998·Granted May 16, 2000·19 cites·1 claims
- 4077US2025355116A1Object detection sensor and object detection methodMURATA MANUFACTURING CO·Filed 2025·Application pending·0 cites
- 4176US5732178ASingle-mode optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 1996·Granted Mar 24, 1998·45 cites·15 claims
- 4275US6204739B1Dielectric resonant apparatusMURATA MANUFACTURING CO·Filed 1999·Granted Mar 20, 2001·23 cites·6 claims
- 4374US2024397259A1Bioacoustic sensor and stethoscope including the sameMURATA MANUFACTURING CO·Filed 2024·Application pending·0 cites
- 4473US6526323B1Decentralized supervisory control systemTOSHIBA KK·Filed 2000·Granted Feb 25, 2003·22 cites·23 claims
- 4572US6731847B1Optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 2000·Granted May 4, 2004·13 cites·18 claims
- 4672US6532331B1Single-mode optical fiber floor long haul transmissionSUMITOMO ELECTRIC INDUSTRIES·Filed 2000·Granted Mar 11, 2003·14 cites·4 claims
- 4772US6323740B1High-frequency circuit device and communication apparatusMURATA MANUFACTURING CO·Filed 1999·Granted Nov 27, 2001·18 cites·37 claims
- 4872US2025369783A1Composite sensorMURATA MANUFACTURING CO·Filed 2025·Application pending·0 cites
- 4971US6917743B2Optical fiber, optical transmission line, and optical communications systemSUMITOMO ELECTRIC INDUSTRIES·Filed 2003·Granted Jul 12, 2005·17 cites·14 claims
- 5071US6522821B1Dispersion-compensating optical fiber and optical transmission system including the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2000·Granted Feb 18, 2003·13 cites·11 claims
Showing the top 50 of 127 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →