Inventor · disambiguated record
Masao Takahashi
Also filed as: TAKAHASHI MASAO
100 granted patents·11 pending applications·2,018 citations·filing 1974–2023
99Inventor score
Files withNGK INSULATORS LTD12NIPPON OILS & FATS CO LTD9TOSHIBA KK9KONICA MINOLTA INC6MIZUSAWA INDUSTRIAL CHEM6
Top patents by PatentIndex Score
111 records- 0196US4394763AError-correcting systemFUJITSU LTD·Filed 1980·Granted Jul 19, 1983·173 cites·11 claims
- 0291US6249370B1Display deviceNGK INSULATORS LTD·Filed 1999·Granted Jun 19, 2001·101 cites·17 claims
- 0391US5852337APiezoelectric film-type elementNGK INSULATORS LTD·Filed 1997·Granted Dec 22, 1998·70 cites·14 claims
- 0490US7696607B2Semiconductor devicePANASONIC CORP·Filed 2007·Granted Apr 13, 2010·16 cites·19 claims
- 0590US4326900AWater-in-oil emulsion explosive compositionNIPPON OILS & FATS CO LTD·Filed 1979·Granted Apr 27, 1982·35 cites·12 claims
- 0688US6297578B1Piezoelectric/electrostrictive elementNGK INSULATORS LTD·Filed 2000·Granted Oct 2, 2001·26 cites·2 claims
- 0788US6091182APiezoelectric/electrostrictive elementNGK INSULATORS LTD·Filed 1997·Granted Jul 18, 2000·59 cites·11 claims
- 0887US4315784AWater-in-oil emulsion explosive composition with imidazoline derivative emulsifierNIPPON OILS & FATS CO LTD·Filed 1979·Granted Feb 16, 1982·29 cites·7 claims
- 0986US7640646B2Method for producing composite of aluminum alloy and thermoplastic resinTAISEI PLAS CO LTD·Filed 2008·Granted Jan 5, 2010·7 cites·15 claims
- 1086US4394198AWater-in-oil emulsion explosive compositionNIPPON OILS & FATS CO LTD·Filed 1981·Granted Jul 19, 1983·33 cites·6 claims
- 1185US8836950B2SAGNAC interferometer-type fiber-optic current sensorSASAKI KINICHI·Filed 2010·Granted Sep 16, 2014·10 cites·5 claims
- 1285US5862275ADisplay deviceNGK INSULATORS LTD·Filed 1997·Granted Jan 19, 1999·73 cites·23 claims
- 1385US4012559ARadiation curable coating composition and precoated metal having top coat based on the sameTORAY INDUSTRIES·Filed 1975·Granted Mar 15, 1977·34 cites·3 claims
- 1484US6845301B2System for protecting and controlling substation main circuit componentsTOSHIBA KK·Filed 2002·Granted Jan 18, 2005·51 cites·15 claims
- 1584US6703257B2Piezoelectric/electrostrictive film type elements and process for producing the sameNGK INSULATORS LTD·Filed 2002·Granted Mar 9, 2004·25 cites·2 claims
- 1684US5266397AAmorphous silica-type fillerMIZUSAWA INDUSTRIAL CHEM·Filed 1992·Granted Nov 30, 1993·34 cites·13 claims
- 1784US4476169AMultilayer glass structureTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1982·Granted Oct 9, 1984·42 cites·9 claims
- 1884US4420419AAbrasion-resistant granular zeolite and process for preparation thereofMIZUSAWA INDUSTRIAL CHEM·Filed 1982·Granted Dec 13, 1983·42 cites·8 claims
- 1983US9285582B2Optical scanning endoscopeHOYA CORP·Filed 2013·Granted Mar 15, 2016·6 cites·12 claims
- 2083US5526003AAntenna for mobile communicationMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Jun 11, 1996·65 cites·3 claims
- 2182US9389248B2Sagnac interferometer-type fiber-optic current sensorTOSHIBA KK·Filed 2014·Granted Jul 12, 2016·5 cites·9 claims
- 2282US6882089B2Piezoelectric/electrostrictive deviceNGK INSULATORS LTD·Filed 2003·Granted Apr 19, 2005·25 cites·17 claims
- 2382US5013603AInk jet recording paper with amorphous silica fillerMIZUSAWA INDUSTRIAL CHEM·Filed 1990·Granted May 7, 1991·49 cites·5 claims
- 2481US8367210B2Composite article of aluminum alloy with resin and method for production thereofTAISEI PLAS CO LTD·Filed 2003·Granted Feb 5, 2013·16 cites·10 claims
- 2581US4315787AWater-in-oil emulsion explosive compositionNIPPON OILS & FATS CO LTD·Filed 1980·Granted Feb 16, 1982·24 cites·7 claims
- 2680US8393792B2Bearing deviceMURAMOTO YUKITAKA·Filed 2009·Granted Mar 12, 2013·11 cites·2 claims
- 2778US5948825AMicroemulsion preparation containing a slightly absorbable substanceINST ADVANCED SKIN RES INC·Filed 1994·Granted Sep 7, 1999·55 cites·5 claims
- 2878US4892591AFiller for ink jet recording paperMIZUSAWA INDUSTRIAL CHEM·Filed 1988·Granted Jan 9, 1990·27 cites·10 claims
- 2977US7001354B2Perfusion system for off-pump coronary artery bypassNEMOTO KYORINDO CO LTD·Filed 2003·Granted Feb 21, 2006·71 cites·4 claims
- 3077USD292629SElectric washing machineHITACHI LTD·Filed 1985·Granted Nov 3, 1987·17 cites·1 claims
- 3177US4351738AYarn treating composition for high-speed friction draw-false twist texturing and a filamentary yarn treated with the sameTEIJIN LTD·Filed 1980·Granted Sep 28, 1982·28 cites·6 claims
- 3275US7538433B2Semiconductor devicePANASONIC CORP·Filed 2006·Granted May 26, 2009·5 cites·20 claims
- 3375US7170189B2Semiconductor wafer and testing method thereforMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Jan 30, 2007·7 cites·18 claims
- 3473US5418043AAmorphous silica fillerMIZUSAWA INDUSTRIAL CHEM·Filed 1994·Granted May 23, 1995·15 cites·8 claims
- 3572US4547234AExplosive compositionNIPPON OILS & FATS CO LTD·Filed 1984·Granted Oct 15, 1985·25 cites·11 claims
- 3670US8376620B2Sliding bearingTAIHO KOGYO CO LTD·Filed 2004·Granted Feb 19, 2013·12 cites·11 claims
- 3770US8237281B2Semiconductor deviceTAKEMURA KOJI·Filed 2011·Granted Aug 7, 2012·2 cites·26 claims
- 3870US5844410ADevice for optically measuring physical quantity in power equipment and method of manufacturing the sameTOSHIBA KK·Filed 1997·Granted Dec 1, 1998·24 cites·19 claims
- 3969US7888801B2Semiconductor devicePANASONIC CORP·Filed 2009·Granted Feb 15, 2011·3 cites·17 claims
- 4069US4504048AMicro-adjustable displacement and rotation setting apparatusCITIZEN WATCH CO LTD·Filed 1982·Granted Mar 12, 1985·21 cites·2 claims
- 4169US3950284APolymer dispersed liquidTORAY INDUSTRIES·Filed 1974·Granted Apr 13, 1976·13 cites·3 claims
- 4268US4414044AWater-in-oil emulsion explosive compositionNIPPON OILS & FATS CO LTD·Filed 1982·Granted Nov 8, 1983·22 cites·8 claims
- 4366US7278124B2Design method for semiconductor integrated circuit suppressing power supply noiseMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Oct 2, 2007·13 cites·22 claims
- 4466US6919667B2Piezoelectric/electrostrictive film deviceNGK INSULATORS LTD·Filed 2002·Granted Jul 19, 2005·9 cites·3 claims
- 4565US8993950B2Solid-state imaging device with plural CCD registersTOSHIBA KK·Filed 2013·Granted Mar 31, 2015·1 cites·10 claims
- 4665US8102056B2Semiconductor device having pads and which minimizes defects due to bonding and probing processesTAKEMURA KOJI·Filed 2006·Granted Jan 24, 2012·3 cites·23 claims
- 4765US7999256B2Semiconductor devicePANASONIC CORP·Filed 2008·Granted Aug 16, 2011·2 cites·17 claims
- 4865US6231585B1Device for stabilizing a treatment site and method of useMEDIVAS LLC·Filed 1999·Granted May 15, 2001·142 cites·44 claims
- 4962US6071295ADevice to hold an anastomotic site of coronary artery motionless and bloodless for the bypass operationMEDIVAS OPCAB INC·Filed 1997·Granted Jun 6, 2000·100 cites·7 claims
- 5062US5001053AMethod and apparatus for measuring the product of an antigen-antibody reactionNIHON KOHDEN CORP·Filed 1988·Granted Mar 19, 1991·27 cites·6 claims
Showing the top 50 of 111 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Masao Takahashi 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 →