Inventor · disambiguated record
Masaaki Hayashi
Also filed as: HAYASHI MASAAKI · KANDA KATUZO
70 granted patents·5 pending applications·7,982 citations·filing 1976–2021
99Inventor score
Files withOLYMPUS OPTICAL CO25HITACHI LTD10DAINIPPON TORYO KK5GLORY KOGYO KK5MITSUMI ELECTRIC CO LTD3
Top patents by PatentIndex Score
75 records- 0198US5372124ATreating instrumentOLYMPUS OPTICAL CO·Filed 1992·Granted Dec 13, 1994·1.6k cites·2 claims
- 0297US5155941AIndustrial endoscope system having a rotary treatment memberOLYMPUS OPTICAL CO·Filed 1990·Granted Oct 20, 1992·1.4k cites·23 claims
- 0395US4833020AMagnetic recording mediumHITACHI LTD·Filed 1988·Granted May 23, 1989·77 cites·30 claims
- 0494US5088492ARadioactive ray detecting endoscopeOLYMPUS OPTICAL CO·Filed 1990·Granted Feb 18, 1992·188 cites·33 claims
- 0594US4611345ABank bill identification deviceGLORY KOGYO KK·Filed 1984·Granted Sep 9, 1986·163 cites·13 claims
- 0693US5681260AGuiding apparatus for guiding an insertable body within an inspected objectOLYMPUS OPTICAL CO·Filed 1994·Granted Oct 28, 1997·686 cites·20 claims
- 0793US5651867APlasma processing method and apparatusHITACHI LTD·Filed 1990·Granted Jul 29, 1997·91 cites·23 claims
- 0892US10279556B2Press machine and press methodMURATA MACHINERY LTD·Filed 2014·Granted May 7, 2019·9 cites·7 claims
- 0992US5245493AMagnetic information storage apparatus including magnetic head and method for making magnetic headHITACHI LTD·Filed 1990·Granted Sep 14, 1993·68 cites·22 claims
- 1091US4950267ALaser beam treatment device for an endoscopeOLYMPUS OPTICAL CO·Filed 1988·Granted Aug 21, 1990·387 cites·9 claims
- 1190US5047043AResecting device for living organism tissue utilizing ultrasonic vibrationsOLYMPUS OPTICAL CO·Filed 1989·Granted Sep 10, 1991·336 cites·5 claims
- 1289US6700282B2Rotary electric machine and method for connecting stator conductorsHITACHI LTD·Filed 2002·Granted Mar 2, 2004·46 cites·7 claims
- 1387US5624380AMulti-degree of freedom manipulatorOLYMPUS OPTICAL CO·Filed 1995·Granted Apr 29, 1997·362 cites·12 claims
- 1487US4995396ARadioactive ray detecting endoscopeOLYMPUS OPTICAL CO·Filed 1988·Granted Feb 26, 1991·272 cites·25 claims
- 1586US4653601AElectric power steering system for a motor vehicleTOYODA MACHINE WORKS LTD·Filed 1985·Granted Mar 31, 1987·48 cites·3 claims
- 1685US4957625ACeramic filter modules in series with piston backwashTOSHIBA CERAMICS CO·Filed 1989·Granted Sep 18, 1990·54 cites·5 claims
- 1783US10271992B2Portable device for treating Meniere's disease and similar conditionsDAIICHI MEDICAL CO LTD·Filed 2014·Granted Apr 30, 2019·12 cites·2 claims
- 1883US4177174AEpoxy resin composition cured by reaction product of phenol carboxylic acids with polyamino compoundsDAINIPPON TORYO KK·Filed 1977·Granted Dec 4, 1979·30 cites·11 claims
- 1982US5534469ALow temperature non-crystallizing sealing glassNIPPON ELECTRIC GLASS CO·Filed 1995·Granted Jul 9, 1996·48 cites·4 claims
- 2080US6501087B1Image reading apparatus having multiple wavelength light sources and control method for the sameGLORY KOGYO KK·Filed 2000·Granted Dec 31, 2002·27 cites·20 claims
- 2179US5697939AApparatus for holding a medical instrument in placeOLYMPUS OPTICAL CO·Filed 1995·Granted Dec 16, 1997·275 cites·18 claims
- 2279US5335061AEndoscope holding apparatus for inspecting the interiors of a reciprocating engine and rotary engine having ignition plug holes, endoscope apparatus including the endoscope holding apparatus and inspecting methodOLYMPUS OPTICAL CO·Filed 1992·Granted Aug 2, 1994·37 cites·28 claims
- 2379US5178135ATherapeutical apparatus of extracorporeal typeOLYMPUS OPTICAL CO·Filed 1991·Granted Jan 12, 1993·226 cites·3 claims
- 2479US5014708ARadioactive ray detecting therapeutic apparatusOLYMPUS OPTICAL CO·Filed 1988·Granted May 14, 1991·149 cites·29 claims
- 2579US4984575ATherapeutical apparatus of extracorporeal typeOLYMPUS OPTICAL CO·Filed 1988·Granted Jan 15, 1991·153 cites·2 claims
- 2678US5427103AMRI apparatus for receiving nuclear-magnetic resonance signals of a living bodyOLYMPUS OPTICAL CO·Filed 1993·Granted Jun 27, 1995·40 cites·24 claims
- 2777US6889516B2Cooling system for motor and cooling control methodHITACHI LTD·Filed 2003·Granted May 10, 2005·24 cites·12 claims
- 2877US4685014AProduction method of thin film magnetic headCOMPUTER BASIC TECHNOLOGY ASS·Filed 1982·Granted Aug 4, 1987·28 cites·25 claims
- 2976US5051856AThin film magnetic head with mixed crystal structuresHITACHI LTD·Filed 1989·Granted Sep 24, 1991·23 cites·13 claims
- 3076US4989588AMedical treatment device utilizing ultrasonic waveOLYMPUS OPTICAL CO·Filed 1987·Granted Feb 5, 1991·130 cites·13 claims
- 3175US5078144ASystem for applying ultrasonic waves and a treatment instrument to a body partOLYMPUS OPTICAL CO·Filed 1989·Granted Jan 7, 1992·124 cites·3 claims
- 3275US4306260ADual magnetic head mountHITACHI LTD·Filed 1979·Granted Dec 15, 1981·17 cites·5 claims
- 3374US4525499ANon-aqueous dispersion type resin compositionDAINIPPON TORYO KK·Filed 1984·Granted Jun 25, 1985·21 cites·13 claims
- 3473US9886808B2Magnetic property determination apparatus and magnetic property determination methodGLORY KOGYO KK·Filed 2014·Granted Feb 6, 2018·2 cites·17 claims
- 3572US4219587AProcess for producing pigment-coated phosphorsHITACHI LTD·Filed 1977·Granted Aug 26, 1980·21 cites·13 claims
- 3668US5176140AUltrasonic probeOLYMPUS OPTICAL CO·Filed 1990·Granted Jan 5, 1993·140 cites·27 claims
- 3767US4685528AElectric power steering device for a motor vehicleTOYODA MACHINE WORKS LTD·Filed 1986·Granted Aug 11, 1987·24 cites·5 claims
- 3865US5679216AMethod of manufacturing a multi-degree-of-freedom manipulatorOLYMPUS OPTICAL CO·Filed 1995·Granted Oct 21, 1997·107 cites·2 claims
- 3965US4067838AChelate-forming aqueous resin compositionDAINIPPON TORYO KK·Filed 1976·Granted Jan 10, 1978·13 cites·15 claims
- 4064US5065741AExtracoporeal ultrasonic lithotripter with a variable focusOLYMPUS OPTICAL CO·Filed 1991·Granted Nov 19, 1991·106 cites·7 claims
- 4163US8106294B2Glass composition for dye-sensitized solar cell and material for dye-sensitized solar cellSAWADA MASAHIRO·Filed 2010·Granted Jan 31, 2012·1 cites·6 claims
- 4260US4296014AAqueous dispersion type thermosetting coating compositionDAINIPPON TORYO KK·Filed 1979·Granted Oct 20, 1981·13 cites·13 claims
- 4359US10951539B2Data processing deviceMITSUBISHI ELECTRIC CORP·Filed 2018·Granted Mar 16, 2021·1 cites·32 claims
- 4459USD520012SConnector for data conversionMITSUMI ELECTRIC CO LTD·Filed 2005·Granted May 2, 2006·11 cites·1 claims
- 4559US4977902ASupersonic hyperthermia treating methodOLYMPUS OPTICAL CO·Filed 1989·Granted Dec 18, 1990·62 cites·29 claims
- 4659US4936307AUltrasonic observation system and an ultrasonic endoscope systemOLYMPUS OPTICAL CO·Filed 1988·Granted Jun 26, 1990·54 cites·28 claims
- 4757US2009275461A1Glass composition for dye-sensitized solar cell and material for dye-sensitized solar cellSAWADA MASAHIRO·Filed 2009·Application pending·0 cites
- 4856US6583079B1CRT frit capable of sealing a CRT bulb at a relatively low temperature and in a short timeNIPPON ELECTRIC GLASS CO·Filed 2000·Granted Jun 24, 2003·4 cites·14 claims
- 4955US5621861AMethod of reducing amount of data required to achieve neural network learningMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Apr 15, 1997·28 cites·11 claims
- 5054US5402788ADiagnostic system using nuclear magnetic resonance phenomenonOLYMPUS OPTICAL CO·Filed 1993·Granted Apr 4, 1995·16 cites·17 claims
Showing the top 50 of 75 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →