Inventor · disambiguated record
Masaya Ito
Also filed as: ITO MASAYA
60 granted patents·16 pending applications·999 citations·filing 1984–2025
99Inventor score
Top patents by PatentIndex Score
76 records- 0194US6559579B2Alumina-based sintered body insulator for spark plugsNGK SPARK PLUG CO·Filed 2000·Granted May 6, 2003·40 cites·6 claims
- 0292US5475666AOptically modulated overwritable recording deviceMITSUBISHI ELECTRIC CORP·Filed 1993·Granted Dec 12, 1995·75 cites·29 claims
- 0392US4557704AJunction structure of turbine shaftNGK SPARK PLUG CO·Filed 1984·Granted Dec 10, 1985·44 cites·9 claims
- 0490US8455001B2Cellulose derivative and method for production thereofITO MASAYA·Filed 2008·Granted Jun 4, 2013·19 cites·26 claims
- 0590US6657166B2Silicon nitride sintered material and production process thereofNGK SPARK PLUG CO·Filed 2002·Granted Dec 2, 2003·22 cites·22 claims
- 0690US4778345ATurbine rotorNGK SPARK PLUG CO·Filed 1986·Granted Oct 18, 1988·38 cites·12 claims
- 0788US8709450B2Cellulose derivative and hydrogel thereofKANEKO HIROAKI·Filed 2008·Granted Apr 29, 2014·8 cites·16 claims
- 0888US5019684AWire disconnection position detecting apparatusFANUC LTD·Filed 1989·Granted May 28, 1991·25 cites·8 claims
- 0988US4991991AJoint structure between a ceramic shaft and a metallic shaftNGK SPARK CO LTD·Filed 1987·Granted Feb 12, 1991·53 cites·10 claims
- 1088US4624897AClad brazing filler for bonding ceramic to metal, glass, or other ceramic and composites using such fillerNGK SPARK PLUG CO·Filed 1984·Granted Nov 25, 1986·44 cites·2 claims
- 1185US5820011AUltrasonic tool hornNGK SPARK PLUG CO·Filed 1996·Granted Oct 13, 1998·63 cites·8 claims
- 1284US7705273B2Ceramic heater, method of producing the same, and glow plug using a ceramic heaterNGK SPARK PLUG CO·Filed 2005·Granted Apr 27, 2010·14 cites·15 claims
- 1382US8748409B2Polysaccharide derivative and hydrogel thereofKANEKO HIROAKI·Filed 2010·Granted Jun 10, 2014·6 cites·11 claims
- 1482US4689457AWire-cut electric discharge machineFANUC LTD·Filed 1985·Granted Aug 25, 1987·22 cites·2 claims
- 1581US5001019AJoined ceramic and metalNGK SPARK PLUG CO·Filed 1989·Granted Mar 19, 1991·31 cites·16 claims
- 1681US4984927ACeramic and metal joining structureNGK SPARK PLUG CO·Filed 1989·Granted Jan 15, 1991·32 cites·18 claims
- 1781US4723862ACeramic-metal joint structureNGK SPARK PLUG CO·Filed 1986·Granted Feb 9, 1988·33 cites·12 claims
- 1878US6563089B2Silicon nitride—tungsten carbide composite sintered material, production process therefor, and glow plug comprising the sameNGK SPARK PLUG CO·Filed 2002·Granted May 13, 2003·17 cites·10 claims
- 1978US6082175AElectronic component having terminal connecting leads with a high temperature ceramic element and a method of making the sameNGK SPARK PLUG CO·Filed 1997·Granted Jul 4, 2000·57 cites·23 claims
- 2074US8378091B2Cellulose derivativeTEIJIN LTD·Filed 2006·Granted Feb 19, 2013·2 cites·14 claims
- 2172US8991679B2Solder piece, chip solder and method of fabricating solder pieceABE MASAHIKO·Filed 2011·Granted Mar 31, 2015·2 cites·3 claims
- 2272US5168841ATappet with ceramic seat plateNGK SPARK PLUG CO·Filed 1991·Granted Dec 8, 1992·27 cites·11 claims
- 2371US8224520B2Failure determination apparatus for vehicle, failure determination method and computer readable medium for failure determinationITO MASAYA·Filed 2009·Granted Jul 17, 2012·2 cites·5 claims
- 2469US6621052B2Silicon nitride-tungsten carbide composite sintered material, process for preparing the same and glow plugNGK SPARK PLUG CO·Filed 2001·Granted Sep 16, 2003·10 cites·12 claims
- 2566US5756954AWire electric discharge machining method at a cornerFANUC LTD·Filed 1995·Granted May 26, 1998·27 cites·4 claims
- 2665US5073085ACeramic turbocharger rotorNGK SPARK PLUG CO·Filed 1989·Granted Dec 17, 1991·18 cites·5 claims
- 2765US4559277ACeramic and aluminum alloy compositeNGK SPARK PLUG CO·Filed 1984·Granted Dec 17, 1985·18 cites·6 claims
- 2865US2025384155A1Access management device, access management system, storage medium storing access management program, and access management methodDENSO CORP·Filed 2025·Application pending·0 cites
- 2964US7282670B2Ceramic heater and glow plug having the sameNGK SPARK PLUG CO·Filed 2003·Granted Oct 16, 2007·10 cites·9 claims
- 3064US4678884AWire discharge machining power sourceFANUC LTD·Filed 1985·Granted Jul 7, 1987·15 cites·13 claims
- 3163US11772605B2Security device for vehicle, security system for vehicle, security method for vehicle, and non-transitory computer-readable storage medium for vehicleDENSO CORP·Filed 2022·Granted Oct 3, 2023·0 cites·16 claims
- 3263US4850095AMethod of forming crowned sliding surface in mechanical partNGK SPARK PLUG CO·Filed 1988·Granted Jul 25, 1989·19 cites·7 claims
- 3362US8118155B2Panel sorting method and panel sorting deviceNODA SHIGEKAZU·Filed 2007·Granted Feb 21, 2012·7 cites·2 claims
- 3462US5881607ACeramic-metal composite assemblyNGK SPARK PLUG CO·Filed 1992·Granted Mar 16, 1999·17 cites·17 claims
- 3562US2024329207A1Vehicle upper structureTOYODA GOSEI KK·Filed 2024·Application pending·0 cites
- 3661US9532163B2Short range radio communication system and short range radio communication terminalDENSO CORP·Filed 2013·Granted Dec 27, 2016·1 cites·14 claims
- 3761US6849207B2Silicon nitride sintered material and production process thereofNGK SPARK PLUG CO·Filed 2001·Granted Feb 1, 2005·6 cites·5 claims
- 3859US12173634B2Particulate filterCATALER CORP·Filed 2021·Granted Dec 24, 2024·0 cites·20 claims
- 3959US5937708ACeramic-metal composite assemblyNGK SPARK PLUG CO·Filed 1994·Granted Aug 17, 1999·15 cites·16 claims
- 4058US5066547AMetal and ceramic heat-connected bodyNGK SPARK PLUG CO·Filed 1989·Granted Nov 19, 1991·12 cites·10 claims
- 4157US5914054AElectrical discharge machine with a handling robotFANUC LTD·Filed 1997·Granted Jun 22, 1999·19 cites·6 claims
- 4257US5585163ACeramic-metal composite assemblyNGK SPARK PLUG CO·Filed 1993·Granted Dec 17, 1996·14 cites·13 claims
- 4357US2025121359A1Exhaust gas purification catalytic deviceCATALER CORP·Filed 2023·Application pending·0 cites
- 4457US2024269614A1Particulate filterCATALER CORP·Filed 2022·Application pending·0 cites
- 4556US11685652B2Chlorine dioxide generation device and chlorine dioxide generation systemLUMICA CORP·Filed 2020·Granted Jun 27, 2023·0 cites·10 claims
- 4655US2011178184A1HydrogelTEIJIN LTD·Filed 2009·Application pending·0 cites
- 4754US7915028B2Tissue regeneration substrate, complex thereof with cells, and method for its productionTEIJIN LTD·Filed 2004·Granted Mar 29, 2011·0 cites·15 claims
- 4854US5390843AMethod of producing a carburized ceramic-steel joined bodyNGK SPARK PLUG CO·Filed 1991·Granted Feb 21, 1995·11 cites·2 claims
- 4953US2016199946A1Solder piece, chip solder and method of fabricating solder pieceSENJU METAL INDUSTRY CO·Filed 2016·Application pending·0 cites
- 5052US5590964AWire temperature measuring method for a wire electric discharge machineFANUC LTD·Filed 1993·Granted Jan 7, 1997·12 cites·4 claims
Showing the top 50 of 76 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Masaya Ito files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →