Inventor · disambiguated record
Toshihiro Uehara
Also filed as: UEHARA TOSHIHIRO
40 granted patents·10 pending applications·277 citations·filing 1988–2022
97Inventor score
Files withHITACHI METALS LTD21JAPAN BROADCASTING CORP5OHISHI KATSUHIKO5PROTERIAL LTD3AGENCY IND SCIENCE TECHN2
Top patents by PatentIndex Score
50 records- 0188US6767414B2Maraging steel having high fatigue strength and maraging steel strip made of sameHITACHI METALS LTD·Filed 2000·Granted Jul 27, 2004·21 cites·28 claims
- 0286US11471929B2Metal gasket and production method thereforHITACHI METALS LTD·Filed 2016·Granted Oct 18, 2022·1 cites·13 claims
- 0386US7567674B2Content transmission apparatus, content reception apparatus, content transmission program, and content reception programJAPAN BROADCASTING CORP·Filed 2002·Granted Jul 28, 2009·45 cites·24 claims
- 0484US5714114AHigh hardness martensitic stainless steel with good pitting corrosion resistanceHITACHI METALS LTD·Filed 1996·Granted Feb 3, 1998·38 cites·10 claims
- 0582US11890665B2Metal gasket and production method thereforPROTERIAL LTD·Filed 2022·Granted Feb 6, 2024·0 cites·8 claims
- 0679US6562157B2Manufacturing process of nickel-based alloy having improved high temperature sulfidation-corrosion resistanceHITACHI METALS LTD·Filed 2001·Granted May 13, 2003·12 cites·6 claims
- 0779US6562153B1Strain-induced type martensitic steel having high hardness and having high fatigue strengthHITACHI METALS LTD·Filed 2000·Granted May 13, 2003·14 cites·12 claims
- 0877US8747574B2Maraging steel stripOHISHI KATSUHIKO·Filed 2010·Granted Jun 10, 2014·2 cites·3 claims
- 0977US6447624B2Manufacturing process of nickel-based alloy having improved hot sulfidation-corrosion resistanceHITACHI METALS LTD·Filed 2001·Granted Sep 10, 2002·11 cites·6 claims
- 1076US6852177B2Ni-based alloy improved in oxidation-resistance, high temperature strength and hot workabilityHITACHI METALS LTD·Filed 2002·Granted Feb 8, 2005·10 cites·13 claims
- 1174US8409712B2Alloy to be surface-coated and sliding membersYOKOYAMA KENJI·Filed 2009·Granted Apr 2, 2013·2 cites·5 claims
- 1273US6692585B2Ferritic Fe-Cr-Ni-Al alloy having exellent oxidation resistance and high strength and a plate made of the alloyHITACHI METALS LTD·Filed 2001·Granted Feb 17, 2004·9 cites·40 claims
- 1372US5358577AHigh strength and high toughness martensitic stainless steel and method of manufacturing the sameHITACHI METALS LTD·Filed 1993·Granted Oct 25, 1994·17 cites·8 claims
- 1471US7356144B2Control of usage of contents in digital broadcastsJAPAN BROADCASTING CORP·Filed 2002·Granted Apr 8, 2008·12 cites·25 claims
- 1570US6344095B1Low-thermal expansion cast steel with excellent machinabilityHITACHI METALS LTD·Filed 2000·Granted Feb 5, 2002·7 cites·14 claims
- 1670US5288347AMethod of manufacturing high strength and high toughness stainless steelHITACHI METALS LTD·Filed 1992·Granted Feb 22, 1994·17 cites·4 claims
- 1764US9065084B2Steel for solid oxide fuel cell having excellent oxidation resistanceYASUDA NOBUTAKA·Filed 2010·Granted Jun 23, 2015·1 cites·4 claims
- 1862US6776956B2Steel for separators of solid-oxide type fuel cellsHITACHI METALS LTD·Filed 2002·Granted Aug 17, 2004·5 cites·15 claims
- 1960US10995384B2Steel for solid oxide fuel cells and manufacturing method thereofHITACHI METALS LTD·Filed 2015·Granted May 4, 2021·0 cites·6 claims
- 2057US6538855B1Magneto-resistive thin film magnetic head preventing entry of unnecessary magnetic flux and having good reproduction characteristicsMITSUMI ELECTRIC CO LTD·Filed 2000·Granted Mar 25, 2003·4 cites·24 claims
- 2156US12006561B2Martensitic stainless steel for fuel injection member and fuel injection member using samePROTERIAL LTD·Filed 2017·Granted Jun 11, 2024·0 cites·3 claims
- 2256US11208707B2Ni-based alloy and heat-resistant sheet material obtained using sameHITACHI METALS LTD·Filed 2019·Granted Dec 28, 2021·0 cites·5 claims
- 2355US5502350AShadow mask support member having high strength and thermal deformation resistant low-expansion alloy plate and high expansion alloy plate and method of producing the sameHITACHI METALS LTD·Filed 1994·Granted Mar 26, 1996·11 cites·11 claims
- 2454US10633717B2Low thermal expansion superalloy and manufacturing method thereofHITACHI METALS LTD·Filed 2016·Granted Apr 28, 2020·0 cites·8 claims
- 2554US8915226B2Electrode material for electrode of spark plugYOKOYAMA TAIJI·Filed 2012·Granted Dec 23, 2014·1 cites·6 claims
- 2653US8480821B2Piston ring material for internal combustion engineOHISHI KATSUHIKO·Filed 2009·Granted Jul 9, 2013·0 cites·9 claims
- 2752US2024043948A1Method for manufacturing austenitic stainless steel stripPROTERIAL LTD·Filed 2021·Application pending·0 cites
- 2851US2010158745A1Piston ring material for internal combustion engineHITACHI METALS LTD·Filed 2007·Application pending·0 cites
- 2950US8845958B2Process for manufacturing Ni-base alloy and Ni-base alloyAOKI CHUYA·Filed 2009·Granted Sep 30, 2014·0 cites·7 claims
- 3049US9863019B2High-strength Ni-base alloyHITACHI METALS LTD·Filed 2015·Granted Jan 9, 2018·0 cites·3 claims
- 3149US2012145289A1Piston Ring Material For Internal Combustion EngineOHISHI KATSUHIKO·Filed 2012·Application pending·0 cites
- 3249US2010189590A1Maraging steel and maraging steel for metallic beltHITACHI METALS LTD·Filed 2007·Application pending·0 cites
- 3348US8444778B2Low-thermal-expansion Ni-based super-heat-resistant alloy for boiler and having excellent high-temperature strength, and boiler component and boiler component production method using the sameUEHARA TOSHIHIRO·Filed 2008·Granted May 21, 2013·0 cites·5 claims
- 3448US5459621AMethod and apparatus for rotary-head type signal recording and reproducing of digital video/audio signalsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Oct 17, 1995·7 cites·6 claims
- 3547US2010092333A1Hydrogen-permeable alloy, and hydrogen-permeable film and its production methodHITACHI METALS LTD·Filed 2008·Application pending·0 cites
- 3646US9783872B2Electrode material and spark plugNGK SPARK PLUG CO·Filed 2014·Granted Oct 10, 2017·0 cites·10 claims
- 3746US8741215B2Heat-resisting steel for engine valves excellent in high temperature strengthOHISHI KATSUHIKO·Filed 2010·Granted Jun 3, 2014·0 cites·2 claims
- 3842US7481970B2Heat resistant alloy for use as material of engine valveHITACHI METALS LTD·Filed 2005·Granted Jan 27, 2009·0 cites·6 claims
- 3942US2014230968A1Maraging steelOHISHI KATSUHIKO·Filed 2012·Application pending·0 cites
- 4041US2012190321A1Nonmagnetic stainless steel, member for radio-controlled timepiece, production process of nonmagnetic stainless steel and radio wave receiverSATO JUNICHI·Filed 2010·Application pending·0 cites
- 4139US2012114964A1Coated-surface sliding part having excellent coating adhesion and method for producing the sameHONDA FUMIAKI·Filed 2010·Application pending·0 cites
- 4238US2014038064A1Steel for solid oxide fuel cells having excellent oxidation resistance, and member for solid oxide fuel cells using sameYASUDA NOBUTAKA·Filed 2012·Application pending·0 cites
- 4337US5414566AApparatus and method for generating high speed dubbing signalJAPAN BROADCASTING CORP·Filed 1994·Granted May 9, 1995·7 cites·18 claims
- 4437US5267099ADigital signal recording/reproducing systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1991·Granted Nov 30, 1993·4 cites·10 claims
- 4536US6289162B1High-speed image reproduction method and apparatusJAPAN BROADCASTING CORP·Filed 1998·Granted Sep 11, 2001·7 cites·9 claims
- 4636US4882124AAlloys having excellent erosion resistanceAGENCY IND SCIENCE TECHN·Filed 1988·Granted Nov 21, 1989·3 cites·2 claims
- 4734US6859342B1Magnetic head device with a short auxiliary memberMITSUMI ELECTRIC CO LTD·Filed 2000·Granted Feb 22, 2005·0 cites·2 claims
- 4834US4988999ADigital modulation methodJAPAN BROADCASTING CORP·Filed 1990·Granted Jan 29, 1991·8 cites·8 claims
- 4933US2002018324A1Ferromagnetic tunneling magneto-resistive headFiled 2001·Application pending·0 cites
- 5030US5096664AAlloys having excellent erosion resistance and stress corrosion cracking resistanceAGENCY IND SCIENCE TECHN·Filed 1991·Granted Mar 17, 1992·1 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →