Inventor · disambiguated record
Ryuta Haga
Also filed as: HAGA RYUTA
9 granted patents·2 pending applications·3 citations·filing 2013–2023
75Inventor score
Files withJFE CHEMICAL CORP11
Top patents by PatentIndex Score
11 records- 0182US9327978B2Method for producing non-graphitizable carbon material, non-graphitizable carbon material, negative electrode material for lithium-ion secondary battery, and lithium-ion secondary batteryJFE CHEMICAL CORP·Filed 2013·Granted May 3, 2016·3 cites·4 claims
- 0267US11804594B2Carbonaceous substance-coated graphite particles, negative electrode for lithium ion secondary battery, and lithium ion secondary batteryJFE CHEMICAL CORP·Filed 2022·Granted Oct 31, 2023·0 cites·8 claims
- 0367US11804593B2Carbonaceous substance-coated graphite particles, negative electrode for lithium ion secondary battery and lithium ion secondary batteryJFE CHEMICAL CORP·Filed 2022·Granted Oct 31, 2023·0 cites·8 claims
- 0467US2025125353A1Carbon-coated non-graphitizable carbon, lithium ion secondary battery negative electrode, and lithium ion secondary batteryJFE CHEMICAL CORP·Filed 2023·Application pending·0 cites
- 0565US12074311B2Method for producing carbonaceous substance-coated graphite particlesJFE CHEMICAL CORP·Filed 2021·Granted Aug 27, 2024·0 cites·8 claims
- 0662US12330946B2Carbon material for negative electrode of lithium ion secondary battery and method of producing the same, and negative electrode and lithium ion secondary battery using the carbon materialJFE CHEMICAL CORP·Filed 2020·Granted Jun 17, 2025·0 cites·14 claims
- 0762US9735421B2Method for producing amorphous carbon particles, amorphous carbon particles, negative electrode material for lithium ion secondary battery, and lithium ion secondary batteryJFE CHEMICAL CORP·Filed 2014·Granted Aug 15, 2017·0 cites·14 claims
- 0860US11942641B2Method for producing carbonaceous substance-coated graphite particlesJFE CHEMICAL CORP·Filed 2020·Granted Mar 26, 2024·0 cites·3 claims
- 0958US9379384B2Method for producing non-graphitizable carbon material, negative electrode material for lithium ion secondary battery, and lithium ion secondary batteryJFE CHEMICAL CORP·Filed 2014·Granted Jun 28, 2016·0 cites·1 claims
- 1053US2017309895A1Amorphous carbon particlesJFE CHEMICAL CORP·Filed 2017·Application pending·0 cites
- 1152US10170752B2Method for producing amorphous carbon particle, amorphous carbon particles, negative electrode material for lithium ion secondary batteries, and lithium ion secondary batteryJFE CHEMICAL CORP·Filed 2013·Granted Jan 1, 2019·0 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →