Inventor · disambiguated record
Ryoei Watanabe
Also filed as: WATANABE RYOEI
4 granted patents·13 pending applications·2 citations·filing 2013–2023
58Inventor score
Top patents by PatentIndex Score
17 records- 0179US12303912B2Separation method for valuable resourcesDOWA ECO SYSTEM CO LTD·Filed 2021·Granted May 20, 2025·1 cites·7 claims
- 0265US2023104457A1Method for recovering lithium and method for processing lithium ion secondary batteryDOWA ECO SYSTEM CO LTD·Filed 2021·Application pending·0 cites
- 0364US2025357566A1Recycled positive-electrode material, method for producing same, method for using recycled positive-electrode material, recycled positive electrode, and lithium ion secondary batteryDOWA ECO SYSTEM CO LTD·Filed 2023·Application pending·0 cites
- 0463US2025357567A1Method for recovering valuable materials from lithium ion secondary batteriesDOWA ECO SYSTEM CO LTD·Filed 2023·Application pending·0 cites
- 0562US9359659B2Method for recovering valuable material from lithium-ion secondary battery, and recovered material containing valuable materialDOWA ECO SYSTEM CO LTD·Filed 2013·Granted Jun 7, 2016·1 cites·6 claims
- 0658US12503747B2Method for separating lithiumDOWA ECO SYSTEM CO LTD·Filed 2020·Granted Dec 23, 2025·0 cites·23 claims
- 0758US2023411719A1Method for recovering valuable materials from lithium ion secondary batteryDOWA ECO SYSTEM CO LTD·Filed 2021·Application pending·0 cites
- 0857US2023318063A1Valuable matter recovery methodDOWA ECO SYSTEM CO LTD·Filed 2021·Application pending·0 cites
- 0957US2023323506A1Method for recovering valuable substanceDOWA ECO SYSTEM CO LTD·Filed 2021·Application pending·0 cites
- 1057US2024387892A1Recycled cathode material precursor, recycled cathode material, method for manufacturing them, and recycled lithium ion secondary batteryDOWA ECO SYSTEM CO LTD·Filed 2022·Application pending·0 cites
- 1153US2025115487A1Method of recovering valuable materialsDOWA ECO SYSTEM CO LTD·Filed 2023·Application pending·0 cites
- 1252US2023119544A1Method for concentrating valuable metal contained in lithium ion secondary batteryDOWA ECO SYSTEM CO LTD·Filed 2021·Application pending·0 cites
- 1351US2023107938A1Method for recovering valuable substanceDOWA ECO SYSTEM CO LTD·Filed 2021·Application pending·0 cites
- 1450US2025153229A1Method for processing solar cell moduleDOWA ECO SYSTEM CO LTD·Filed 2022·Application pending·0 cites
- 1549US2023116994A1Metal recovery methodDOWA ECO SYSTEM CO LTD·Filed 2021·Application pending·0 cites
- 1643US2023366061A1Method for recovering valuable substanceDOWA ECO SYSTEM CO LTD·Filed 2021·Application pending·0 cites
- 1738US10233099B2Radioactive cesium decontaminator and method of producing the same, and method of removing the radioactive cesiumTHE JIKEI UNIV·Filed 2013·Granted Mar 19, 2019·0 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →