Inventor · disambiguated record
Tatsuo Nagata
Also filed as: NAGATA TATSUO
24 granted patents·9 pending applications·252 citations·filing 1991–2022
94Inventor score
Files withNIPPON STEEL & SUMITOMO METAL CORP9HITACHI LTD7NIPPON STEEL CORP5NIPPON STEEL CHEMICAL & MAT CO LTD3YAMAMOTO HIROSHI3
Top patents by PatentIndex Score
33 records- 0195US5156807AMethod for improving machinability of titanium and titanium alloys and free-cutting titanium alloysSUMITOMO METAL IND·Filed 1991·Granted Oct 20, 1992·84 cites·8 claims
- 0288US10038184B2Negative electrode active material, negative electrode and batteryNIPPON STEEL & SUMITOMO METAL CORP·Filed 2015·Granted Jul 31, 2018·3 cites·24 claims
- 0387US10230103B2Negative electrode active material, negative electrode and batteryNIPPON STEEL & SUMITOMO METAL CORP·Filed 2015·Granted Mar 12, 2019·2 cites·11 claims
- 0485US11387449B2Negative electrode active material, negative electrode, and batteryNIPPON STEEL CORP·Filed 2018·Granted Jul 12, 2022·2 cites·18 claims
- 0584US10270092B2Negative electrode active material, negative electrode and batteryNIPPON STEEL & SUMITOMO METAL CORP·Filed 2015·Granted Apr 23, 2019·2 cites·11 claims
- 0684US10128493B2Negative electrode active material, negative electrode and batteryNIPPON STEEL & SUMITOMO METAL CORP·Filed 2015·Granted Nov 13, 2018·2 cites·6 claims
- 0777US8404385B2Mixed carbon material including graphite powder cores and surface carbon material on a surface thereof and negative electrode for nonaqueous secondary batteryYAMAMOTO HIROSHI·Filed 2011·Granted Mar 26, 2013·2 cites·4 claims
- 0875US5243421ASignal processor for a wide televison receiverHITACHI LTD·Filed 1991·Granted Sep 7, 1993·40 cites·6 claims
- 0973US9028711B2Negative electrode material for a nonaqueous electrolyte secondary battery and a method for its manufactureNEGI NORIYUKI·Filed 2011·Granted May 12, 2015·2 cites·6 claims
- 1073US6195132B1Noise reduction signal processing circuit and display apparatusHITACHI LTD·Filed 1999·Granted Feb 27, 2001·44 cites·20 claims
- 1172US10381640B2Negative electrode active materialNIPPON STEEL & SUMITOMO METAL CORPOATION·Filed 2013·Granted Aug 13, 2019·2 cites·4 claims
- 1270US8501047B2Mixed carbon material and negative electrode for a nonaqueous secondary batteryYAMAMOTO HIROSHI·Filed 2011·Granted Aug 6, 2013·1 cites·5 claims
- 1370US6344857B1Gamma correction circuitHITACHI LTD·Filed 1999·Granted Feb 5, 2002·37 cites·21 claims
- 1468US11981108B2Ni-plated steel sheet and manufacturing method thereofNIPPON STEEL CORP·Filed 2021·Granted May 14, 2024·0 cites·11 claims
- 1567US12334563B2Ni-plated steel foil for nickel-hydrogen secondary battery current collector, nickel-hydrogen secondary battery current collector, and nickel-hydrogen secondary batteryNIPPON STEEL CHEMICAL & MAT CO LTD·Filed 2021·Granted Jun 17, 2025·0 cites·15 claims
- 1664US12494533B2Battery case and method of production of sameNIPPON STEEL CORP·Filed 2020·Granted Dec 9, 2025·0 cites·19 claims
- 1763US12100844B2Stainless foil current collector for secondary battery positive electrodesNIPPON STEEL CHEMICAL & MAT CO LTD·Filed 2019·Granted Sep 24, 2024·0 cites·7 claims
- 1860US12199277B2Negative electrode active material, negative electrode, and batteryNIPPON STEEL CORP·Filed 2020·Granted Jan 14, 2025·0 cites·20 claims
- 1959US6151079AImage display apparatus having a circuit for magnifying and processing a picture image in accordance with the type of image signalHITACHI LTD·Filed 1999·Granted Nov 21, 2000·19 cites·12 claims
- 2059US2015243986A1Electrode active material, method for producing electrode active material, electrode, battery, and method for using clathrate compoundNIPPON STEEL & SUMITOMO METAL CORP·Filed 2013·Application pending·0 cites
- 2159US2024170680A1Steel foil for current collector, electrode, and batteryNIPPON STEEL CHEMICAL & MAT CO LTD·Filed 2022·Application pending·0 cites
- 2259US2018205082A1Electrode, method for producing electrode, battery, and method for using clathrate compoundNIPPON STEEL & SUMITOMO METAL CORP·Filed 2018·Application pending·0 cites
- 2357US11056687B2Negative electrode active material, negative electrode, and batteryNIPPON STEEL & SUMITOMO METAL CORP·Filed 2017·Granted Jul 6, 2021·0 cites·16 claims
- 2457US2024167184A1Surface-treated steel sheetNIPPON STEEL CORP·Filed 2022·Application pending·0 cites
- 2550US8591765B2Negative electrode material for nonaqueous electrolyte secondary batteries and manufacturing method thereofNEGI NORIYUKI·Filed 2012·Granted Nov 26, 2013·0 cites·2 claims
- 2650US8033390B2Wear resistant, heat resistant conveyor chainTSUBAKIMOTO CHAIN CO·Filed 2009·Granted Oct 11, 2011·2 cites·5 claims
- 2745US2020266430A1Negative electrode active material, negative electrode, and batteryNIPPON STEEL & SUMITOMO METAL CORP·Filed 2017·Application pending·0 cites
- 2844US2014093781A1Modified Natural Graphite ParticlesNISHIHARA KATSUHIRO·Filed 2012·Application pending·0 cites
- 2944US2004135929A1Digital broadcasting receiving apparatus, receiving method and receiving circuitHITACHI LTD·Filed 2003·Application pending·0 cites
- 3044US2019176224A1Apparatus for producing thin metal strip and method for producing thin metal strip using the sameNIPPON STEEL & SUMITOMO METAL CORP·Filed 2016·Application pending·0 cites
- 3137US5953075AVideo signal processing apparatus with means for magnifying and processing a picture image correspondingly to video signalsHITACHI LTD·Filed 1997·Granted Sep 14, 1999·5 cites·10 claims
- 3237US2013130117A1Modified Natural Graphite Particle and Method for Producing the SameYAMAMOTO HIROSHI·Filed 2011·Application pending·0 cites
- 3333US6078702AImage display apparatusHITACHI LTD·Filed 1997·Granted Jun 20, 2000·3 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →