Inventor · disambiguated record
Keita Yamada
Also filed as: YAMADA KEITA
2 granted patents·9 pending applications·9 citations·filing 1980–2024
48Inventor score
Top patents by PatentIndex Score
11 records- 0158US12294053B2Method for producing high-purity aqueous lithium salt solutionASAKA RIKEN CO LTD·Filed 2021·Granted May 6, 2025·0 cites·5 claims
- 0257US2025043391A1Method for recovering lithium from lithium-salt-containing aqueous solutionASAKA RIKEN CO LTD·Filed 2022·Application pending·0 cites
- 0357US2025333816A1Method for extracting aluminumASAKA RIKEN CO LTD·Filed 2023·Application pending·0 cites
- 0451US2025219177A1Method for recovering lithium from waste lithium ion batteriesASAKA RIKEN CO LTD·Filed 2023·Application pending·0 cites
- 0551US2024263268A1Method for dissolving battery powder in hydrochloric acidASAKA RIKEN CO LTD·Filed 2022·Application pending·0 cites
- 0649US2024294337A1Article Transport FacilityDAIFUKU KK·Filed 2024·Application pending·0 cites
- 0746US2025167328A1Method for recovering lithium from waste lithium ion batteriesASAKA RIKEN CO LTD·Filed 2023·Application pending·0 cites
- 0844US2025007022A1Method for recovering lithium from waste lithium-ion batteriesASAKA RIKEN CO LTD·Filed 2022·Application pending·0 cites
- 0942US4297134AMethod of recovering goldYAMADA KEITA·Filed 1980·Granted Oct 27, 1981·9 cites·3 claims
- 1040US2019353659A1Pancreatic cancer detection methodSUMITOMO CHEMICAL CO·Filed 2018·Application pending·0 cites
- 1136US2013145605A1Nut-holding member and bolt-joining methodKAJIMURA NORIHIKO·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →