Inventor · disambiguated record
Katsuhiko Naoi
Also filed as: NAOI KATSUHIKO
30 granted patents·13 pending applications·1,036 citations·filing 1992–2020
96Inventor score
Top patents by PatentIndex Score
43 records- 0197US5324599AReversible electrode materialMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1992·Granted Jun 28, 1994·271 cites·7 claims
- 0296US5723230AOligosulfide type electrode material and secondary battery containing such electrode materialYAZAKI CORP·Filed 1996·Granted Mar 3, 1998·184 cites·5 claims
- 0395US7572542B2Nanocarbon composite structure having ruthenium oxide trapped thereinUNIV TOKYO AGRICULTURE·Filed 2005·Granted Aug 11, 2009·42 cites·6 claims
- 0495US5882819ASulfide-series electrode material and secondary battery with high energy densityYAZAKI CORP·Filed 1996·Granted Mar 16, 1999·167 cites·19 claims
- 0595US5792575ALithium sulfur secondary battery and elecrode material for a non-aqueous batteryYAZAKI CORP·Filed 1996·Granted Aug 11, 1998·165 cites·68 claims
- 0694US5783330AElectrode material and secondary batteryYAZAKI CORP·Filed 1996·Granted Jul 21, 1998·160 cites·24 claims
- 0787US9287553B2Composite of metal oxide nanoparticles and carbon, method of production thereof, electrode and electrochemical element employing said compositeNAOI KATSUHIKO·Filed 2011·Granted Mar 15, 2016·5 cites·17 claims
- 0886US10490316B2Titanium oxide particles, titanium oxide particle production method, power storage device electrode including titanium oxide particles, and power storage device provided with electrode including titanium oxide particlesNIPPON CHEMICON·Filed 2015·Granted Nov 26, 2019·2 cites·14 claims
- 0973US9005814B2Lithium titanate crystal structure, composite of lithium titanate crystal structure and carbon, method of production thereof, and electrode and electrochemical element employing said compositeNAOI KATSUHIKO·Filed 2011·Granted Apr 14, 2015·2 cites·12 claims
- 1072US10784514B2Conductive carbon, electrode material including said conductive carbon, and electrode using said electrode materialNIPPON CHEMICON·Filed 2019·Granted Sep 22, 2020·0 cites·20 claims
- 1171US10374222B2Electrode material for lithium ion secondary batteries, method for producing electrode material for lithium ion secondary batteries, and lithium ion secondary batteryNIPPON CHEMICON·Filed 2013·Granted Aug 6, 2019·1 cites·11 claims
- 1271US9299977B2Manufacturing method of electrode materialNIPPON CHEMICON·Filed 2012·Granted Mar 29, 2016·2 cites·7 claims
- 1370US9296623B2Lithium titanate nanoparticles, composite of lithium titanate nanoparticles and carbon, method of production thereof, electrode material consisting of said composite, electrode, electrochemical element, and electrochemical capacitor employing said electrode materialNAOI KATSUHIKO·Filed 2011·Granted Mar 29, 2016·1 cites·5 claims
- 1467US6072026AAniline polymer electrode material and secondary cellYAZAKI CORP·Filed 1997·Granted Jun 6, 2000·19 cites·4 claims
- 1566US11024469B2Electrode, method for producing said electrode, electricity storage device provided with said electrode, and conductive carbon mixture for electricity storage device electrodeNIPPON CHEMICON·Filed 2019·Granted Jun 1, 2021·0 cites·20 claims
- 1665US2017279116A1Carbon that carries a metal oxide nanoparticle, an electrode, and an electrochemical device incorporating the sameNIPPON CHEMICON·Filed 2017·Application pending·0 cites
- 1764US11398626B2Method of producing metal compound particle group, metal compound particle group, and electricity storage device electrode containing metal compound particle groupNIPPON CHEMICON·Filed 2019·Granted Jul 26, 2022·0 cites·10 claims
- 1864US10109431B2Composite of metal oxide nanoparticles and carbon, method of production thereof, electrode and electrochemical element employing said compositeNIPPON CHEMICON·Filed 2016·Granted Oct 23, 2018·0 cites·7 claims
- 1962US9905853B2Conductive carbon, electrode material including said carbon, electrode in which said electrode material is used, and electric storage device provided with said electrodeNIPPON CHEMICON·Filed 2014·Granted Feb 27, 2018·0 cites·20 claims
- 2061US9368793B2Lithium titanate crystal structure, composite of lithium titanate crystal structure and carbon, method of production thereof, and electrode and electrochemical element employing said compositeNIPPON CHEMICON·Filed 2015·Granted Jun 14, 2016·1 cites·12 claims
- 2160US10438751B2Titanium oxide crystal body and power storage device electrode including titanium oxide crystalline bodyNIPPON CHEMICON·Filed 2016·Granted Oct 8, 2019·0 cites·11 claims
- 2260US10332692B2Electrode, method for producing said electrode, electricity storage device provided with said electrode, and conductive carbon mixture for electricity storage device electrodeNIPPON CHEMICON·Filed 2015·Granted Jun 25, 2019·0 cites·2 claims
- 2359US2014209833A1Carbon that carries a metal oxide nanoparticle, an electrode, and an electrochemical device incorporating the sameNIPPON CHEMICON·Filed 2014·Application pending·0 cites
- 2458US8644003B2Electrolytic capacitor element and process for producing the sameNAOI KATSUHIKO·Filed 2006·Granted Feb 4, 2014·2 cites·12 claims
- 2557US2022356068A1Lithium vanadium oxide crystal, electrode material, and power storage device, and method for manufacturing lithium vanadium oxide crystalNIPPON CHEML CON CORP·Filed 2020·Application pending·0 cites
- 2654US10573896B2Conductive carbon, electrode material including said conductive carbon, and electrode using said electrode materialNIPPON CHEMICON·Filed 2015·Granted Feb 25, 2020·0 cites·21 claims
- 2753US10505187B2Method of producing metal compound particle group, metal compound particle group, and electricity storage device electrode containing metal compound particle groupNIPPON CHEMICON·Filed 2015·Granted Dec 10, 2019·0 cites·17 claims
- 2853US2010025627A1Reaction method, metal oxide nanoparticle or carbon carrying the nanoparticle, obtained by the method, electrode containing the carbon, and electrochemical device with the electrodeK & W LTD·Filed 2006·Application pending·0 cites
- 2952US10847801B2Electroconductive carbon, electrode material containing said carbon, electrode using said electrode material, and power storage device provided with said electrodeNIPPON CHEMICON·Filed 2014·Granted Nov 24, 2020·0 cites·9 claims
- 3051US2022077463A1Metal compound particle group, electrode for power storage device, power storage device, and method for producing metal compound particle groupNIPPON CHEMICON·Filed 2019·Application pending·0 cites
- 3148US9859035B2Process for producing composite material of metal oxide with conductive carbonNIPPON CHEMICON·Filed 2013·Granted Jan 2, 2018·0 cites·4 claims
- 3246US2014287314A1Sheet composite, manufacturing method thereof, and electrode and electrochemical element employing said compositeNIPPON CHEMICON·Filed 2012·Application pending·0 cites
- 3345US2007287060A1Battery Positive Electrode Material Containing Sulfur and /or Sulfur Compound having S-S Bond, and Process for Producing the SameAOI ELECTRONICS CO LTD·Filed 2005·Application pending·0 cites
- 3444US9496556B2Negative electrode active material having nanosize tin oxide particle disperded on surface of nanosize conductive carbon powder, method for producing the same, and lithium ion secondary battery using the sameNAOI KATSUHIKO·Filed 2012·Granted Nov 15, 2016·0 cites·4 claims
- 3542US2014377663A1Sheet composite, manufacturing method thereof, and electrode and electrochemical element employing said sheet compositeNIPPON CHEMICON·Filed 2012·Application pending·0 cites
- 3642US2012183860A1Negative electrode active material, method for producing the negative electrode active material, and lithium ion secondary battery using the negative electrode active materialNAOI KATSUHIKO·Filed 2010·Application pending·0 cites
- 3741US7291392B2Inorganic/organic complex nano-beads and method for manufacturing the sameAOI ELECTRONICS CO LTD·Filed 2001·Granted Nov 6, 2007·2 cites·11 claims
- 3841US2003068550A1Electrode material and applications thereforFiled 2002·Application pending·0 cites
- 3939US9843037B2Electrode material and manufacturing method thereofNIPPON CHEMICON·Filed 2015·Granted Dec 12, 2017·0 cites·8 claims
- 4038US2012132861A1Electrode material and electrode containing the electrode materialTAMAMITSU KENJI·Filed 2010·Application pending·0 cites
- 4136US6277518B1Electrode materials for use in batteries, and electrodes and batteries using sameNEC CORP·Filed 1998·Granted Aug 21, 2001·10 cites·11 claims
- 4236US2004157122A1Energy storage device material from heterocyclic organic sulfur compounds and method of designing itFiled 2002·Application pending·0 cites
- 4335US2015243975A1Manufacturing method for electrode material, electrode material, and electric storage device provided with the electrode materialNIPPON CHEMICON·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →