Copper foil, current collector and lithium ion secondary battery
US-2025300189-A1 · Sep 25, 2025 · US
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Cheng Kuei-Sen patents
Cheng Kuei-Sen is listed as an inventor on 32 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Cheng Kuei-Sen |
| Total patents | 32 |
| First publication | Feb 7, 2017 |
| Latest publication | Sep 25, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Copper foil, current collector and lithium ion secondary battery
US-2025297340-A1 · Sep 25, 2025 · US
Surface-treated copper foil for lithium ion secondary battery, and current collector and lithium ion secondary battery
US-2025300188-A1 · Sep 25, 2025 · US
Copper foil for current collector of lithium secondary battery
US-11962014-B2 · Apr 16, 2024 · US
Electrolytic copper foil, electrode comprising the same, and lithium ion battery comprising the same
US-11365486-B2 · Jun 21, 2022 · US
Electrodeposited copper foil, current collector, electrode, and lithium ion secondary battery comprising the same
US-11283080-B2 · Mar 22, 2022 · US
Electrodeposited copper foil, current collector, electrode, and lithium ion secondary battery comprising the same
US-2021242467-A1 · Aug 5, 2021 · US
Surface-treated copper foil for lithium-ion secondary batteries
US-10991948-B1 · Apr 27, 2021 · US
Electrodeposited copper foil with anti-burr property
US-10923730-B2 · Feb 16, 2021 · US
Electrodeposited copper foil with anti-burr property
US-2020295378-A1 · Sep 17, 2020 · US
Recent patents
Latest publications not already listed above.
Surface-treated copper foil
US-10697082-B1 · Jun 30, 2020 · US
Copper foil for current collector of lithium secondary battery and negative electrode including the same
US-10665865-B2 · May 26, 2020 · US
Electrolytic copper foil, electrode comprising the same, and lithium ion battery comprising the same
US-2020119360-A1 · Apr 16, 2020 · US
Copper foil for current collector of lithium secondary battery and negative electrode including the same
US-2020106102-A1 · Apr 2, 2020 · US
Copper foil for negative electrode current collector of lithium ion secondary battery
US-10581081-B1 · Mar 3, 2020 · US
Electrodeposited copper foil and method for producing the same, and current collector for lithium secondary battery and secondary battery comprising the electrodeposited copper foil
US-10424793-B2 · Sep 24, 2019 · US
Surface treated copper foil for high speed printed circuit board products including the copper foil and methods of making
US-2019211466-A1 · Jul 11, 2019 · US
Surface treated copper foil for high speed printed circuit board products including the copper foil and methods of making
US-10337115-B1 · Jul 2, 2019 · US
Copper foil for current collector of lithium secondary battery
US-2019173091-A1 · Jun 6, 2019 · US
Electrodeposited copper foil and method for producing the same, and current collector for lithium secondary battery and secondary battery comprising the electrodeposited copper foil
US-2019148736-A1 · May 16, 2019 · US
Copper foil for current collector of lithium secondary battery
US-10205170-B1 · Feb 12, 2019 · US
Composite thin copper foil and carrier
US-10057984-B1 · Aug 21, 2018 · US
Composite thin copper foil and carrier
US-2018220531-A1 · Aug 2, 2018 · US
Multilayer carrier foil
US-9955588-B1 · Apr 24, 2018 · US
Copper foil and methods of use
US-2017203544-A1 · Jul 20, 2017 · US
Copper foil having uniform thickness and methods for manufacturing the copper foil
US-9711799-B1 · Jul 18, 2017 · US
Copper foil and methods of use
US-9707738-B1 · Jul 18, 2017 · US
Heat-dissipating copper foil and graphene composite
US-9709348-B2 · Jul 18, 2017 · US
Surface-treated electrolytic copper foil and method for wireless charging of flexible printed circuit board
US-9673646-B1 · Jun 6, 2017 · US
Surface-treated copper foil
US-9647272-B1 · May 9, 2017 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Chang Chun Petrochemical Co Ltd | 32 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| C25D1/04 | 30 |
| C25D3/38 | 26 |
| Y02E60/10 | 23 |
| H01M4/661 | 20 |
| C25D7/0614 | 18 |