Inventor · disambiguated record
Yoshinori Ohtsuka
Also filed as: OHTSUKA YOSHINORI
42 granted patents·4 pending applications·1,607 citations·filing 1990–2024
99Inventor score
Top patents by PatentIndex Score
46 records- 0196US5396247AAnalog-to-digital conversion circuit having a pulse circulating portionNIPPON DENSO CO·Filed 1993·Granted Mar 7, 1995·133 cites·21 claims
- 0295US5922212ASemiconductor sensor having suspended thin-film structure and method for fabricating thin-film structure bodyNIPPON DENSO CO·Filed 1996·Granted Jul 13, 1999·122 cites·20 claims
- 0392US6055139AMagnetic recording medium and method of forming the same and magnetic disk driveFUJITSU LTD·Filed 1996·Granted Apr 25, 2000·60 cites·9 claims
- 0492US5353100AImage apparatus with removable process kit rotatable about a photoreceptor shaftSHARP KK·Filed 1993·Granted Oct 4, 1994·46 cites·19 claims
- 0591US6199430B1Acceleration sensor with ring-shaped movable electrodeDENSO CORP·Filed 1999·Granted Mar 13, 2001·77 cites·48 claims
- 0691US5416444ARing oscillator and pulse phase difference encoding circuitNIPPON DENSO CO·Filed 1994·Granted May 16, 1995·55 cites·10 claims
- 0790US5134371AMagnetic detection device using an oscillator whose detection element is a magnetoresitance effective elementNIPPON DENSO CO·Filed 1990·Granted Jul 28, 1992·72 cites·38 claims
- 0890US5128624APulse phase difference encoding circuitNIPPON SOKEN·Filed 1991·Granted Jul 7, 1992·79 cites·8 claims
- 0989US6324032B1Magnetic recording medium having linear or curved tracking servo patterns formed obliquely relative to direction of tracks, and magnetic recording apparatus using the sameFUJITSU LTD·Filed 1999·Granted Nov 27, 2001·48 cites·11 claims
- 1089US5359287AMagnetic detecting circuit having magnetoresistance effective elements oriented in at least two different directionsNIPPON DENSO CO·Filed 1993·Granted Oct 25, 1994·53 cites·19 claims
- 1188US5181417APressure detecting deviceNIPPON SOKEN·Filed 1991·Granted Jan 26, 1993·65 cites·22 claims
- 1286US5572057ASemiconductor acceleration sensor with movable electrodeNIPPON DENSO CO·Filed 1994·Granted Nov 5, 1996·54 cites·65 claims
- 1386US5331294AOscillation circuit including a ring oscillator having a changeable number of inverter circuitsNIPPON DENSO CO·Filed 1992·Granted Jul 19, 1994·52 cites·11 claims
- 1485US6828046B2Soft magnetic film of FeCoMO having a high saturation flux density, a moderate soft magnetism and a uniaxial magnetic anisotropyFUJITSU LTD·Filed 2001·Granted Dec 7, 2004·19 cites·21 claims
- 1585US5504356ASemiconductor accelerometerNIPPON DENSO CO·Filed 1993·Granted Apr 2, 1996·49 cites·25 claims
- 1684US5864064AAcceleration sensor having coaxially-arranged fixed electrode and movable electrodeNIPPON DENSO CO·Filed 1996·Granted Jan 26, 1999·59 cites·48 claims
- 1782US6094550ADeveloping apparatusSHARP KK·Filed 1998·Granted Jul 25, 2000·33 cites·25 claims
- 1880US6751052B1Thin film magnetic head with short lower magnetic pole pieceFUJITSU LTD·Filed 2000·Granted Jun 15, 2004·16 cites·20 claims
- 1980US6614620B2Thin film magnetic headFUJITSU LTD·Filed 2001·Granted Sep 2, 2003·15 cites·13 claims
- 2080US5995339AMagnetoresistive head with a front flux guide and an embedded MR elementFUJITSU LTD·Filed 1997·Granted Nov 30, 1999·36 cites·15 claims
- 2179US5568071APulse phase difference encoding circuitNIPPON SOKEN·Filed 1995·Granted Oct 22, 1996·49 cites·65 claims
- 2279US5347343APhotosensitive drum cartridge and an image forming apparatus using the sameSHARP KK·Filed 1993·Granted Sep 13, 1994·26 cites·4 claims
- 2378US5420546AVariable frequency oscillator having an output frequency that is controllableNIPPON DENSO CO·Filed 1994·Granted May 30, 1995·37 cites·2 claims
- 2477US5528200ARing oscillator and pulse phase difference encoding circuitNIPPON DENSO CO·Filed 1995·Granted Jun 18, 1996·28 cites·5 claims
- 2576US6180421B1Method and apparatus for manufacturing magnetic headFUJITSU LTD·Filed 2000·Granted Jan 30, 2001·16 cites·11 claims
- 2676US6028332ASemiconductor type yaw rate sensorDENSO CORP·Filed 1998·Granted Feb 22, 2000·70 cites·12 claims
- 2776US5774308AThin film inductive head and magnetic writing/reading drive including the sameFUJITSU LTD·Filed 1996·Granted Jun 30, 1998·29 cites·13 claims
- 2875US5500549ASemiconductor yaw rate sensorNIPPON DENSO CO·Filed 1994·Granted Mar 19, 1996·41 cites·27 claims
- 2975US5289135APulse phase difference encoding circuitNIPPON SOKEN·Filed 1992·Granted Feb 22, 1994·31 cites·14 claims
- 3073US7949265B2Toner supply device, developing device and image forming apparatus with residual quantity of toner based controlSHARP KK·Filed 2008·Granted May 24, 2011·4 cites·11 claims
- 3173US5859753ASpin valve magnetoresistive head with spun valves connected in seriesFUJITSU LTD·Filed 1996·Granted Jan 12, 1999·25 cites·12 claims
- 3271US6567239B1Thin film magnetic head including a coil insulating resin filler and an insulating metallic layer covering at least partly the insulating resin filler on a datum planeFUJITSU LTD·Filed 2000·Granted May 20, 2003·12 cites·6 claims
- 3366US6083410AThin film magnetic head and process for producing sameFUJITSU LTD·Filed 1997·Granted Jul 4, 2000·18 cites·12 claims
- 3463US5771141AMagnetoresistive head and magnetic recording/reproducing apparatusFUJITSU LTD·Filed 1996·Granted Jun 23, 1998·18 cites·12 claims
- 3561US6813824B2Method of producing thin film magnetic headFUJITSU LTD·Filed 2002·Granted Nov 9, 2004·7 cites·5 claims
- 3661US5622633ASemiconductor sensor with suspended microstructure and method for fabricating sameNIPPON DENSO CO·Filed 1995·Granted Apr 22, 1997·20 cites·15 claims
- 3758US5717630AMagnetic memory deviceFUJITSU LTD·Filed 1996·Granted Feb 10, 1998·13 cites·33 claims
- 3852US2024340383A1Information processing system, multifunction peripheral cooperation method, and non-transitory computer-readable mediumSHARP KK·Filed 2024·Application pending·0 cites
- 3949US5287145AProcess kit of image forming apparatusSHARP KK·Filed 1993·Granted Feb 15, 1994·7 cites·8 claims
- 4044US7167341B2Thin film magnetic head having lower auxiliary magnetic pole on lower magnetic pole layerFUJITSU LTD·Filed 2003·Granted Jan 23, 2007·0 cites·8 claims
- 4144US2006184929A1Replacement part and image forming apparatusSHARP KK·Filed 2006·Application pending·0 cites
- 4243US2006061900A1Magnetic recording medium, magnetic storage device, and fabricating method thereofFUJITSU LTD·Filed 2004·Application pending·0 cites
- 4341US6692977B2Method for manufacturing magnetic headFUJITSU LTD·Filed 2003·Granted Feb 17, 2004·0 cites·5 claims
- 4439US2002078551A1Method of fabricating thin-film magnetic headFUJITSU LTD·Filed 2001·Application pending·0 cites
- 4538US5686835APhysical quantity detection device for converting a physical quantity into a corresponding time intervalNIPPON DENSO CO·Filed 1996·Granted Nov 11, 1997·7 cites·17 claims
- 4633US5968451AProcess and apparatus for sterilizing container holding fluid dietMORINAGA & CO·Filed 1997·Granted Oct 19, 1999·6 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →