Negative electrodes for electrochemical cells
US-2026045489-A1 · Feb 12, 2026 · US
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Chakraborty Rupak patents
Chakraborty Rupak is listed as an inventor on 23 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Chakraborty Rupak |
| Total patents | 23 |
| First publication | Jan 2, 2020 |
| Latest publication | Feb 12, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
System and method for large volume design, build, and test
US-12450151-B1 · Oct 21, 2025 · US
Battery recycling
US-2025253426-A1 · Aug 7, 2025 · US
Negative electrodes for electrochemical cells
US-12362352-B2 · Jul 15, 2025 · US
Device architectures for metal-air batteries
US-2025174770-A1 · May 29, 2025 · US
Device architectures for metal-air batteries
US-12308414-B2 · May 20, 2025 · US
Low cost metal electrodes
US-12294086-B2 · May 6, 2025 · US
Low cost metal electrodes
US-2025096261-A1 · Mar 20, 2025 · US
Stack of electric batteries including series of fluidly connected unit cells
US-12237548-B2 · Feb 25, 2025 · US
Battery recycling
US-12136713-B2 · Nov 5, 2024 · US
Recent patents
Latest publications not already listed above.
Rolling diaphragm seal
US-2024145827-A1 · May 2, 2024 · US
Negative electrodes for electrochemical cells
US-2023369576-A1 · Nov 16, 2023 · US
Negative electrodes for electrochemical cells
US-11552290-B2 · Jan 10, 2023 · US
Negative electrodes for electrochemical cells
US-2022344647-A9 · Oct 27, 2022 · US
Electrodes for alkaline iron batteries
US-2022223845-A1 · Jul 14, 2022 · US
Method of iron electrode manufacture and articles and systems therefrom
US-2022149359-A1 · May 12, 2022 · US
Battery recycling
US-2021351450-A1 · Nov 11, 2021 · US
Rechargeable battery using iron negative electrode and manganese oxide positive electrode
US-2021028452-A1 · Jan 28, 2021 · US
Low cost metal electrodes
US-2021028457-A1 · Jan 28, 2021 · US
Device architectures for metal-air batteries
US-2020411932-A1 · Dec 31, 2020 · US
Low cost air electrodes
US-2020411879-A1 · Dec 31, 2020 · US
Negative electrodes for electrochemical cells
US-2020036002-A1 · Jan 30, 2020 · US
Rolling diaphragm seal
US-2020006745-A1 · Jan 2, 2020 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Form Energy Inc | 23 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| Y02E60/10 | 21 |
| H01M4/248 | 14 |
| H01M12/08 | 13 |
| H01M2300/0014 | 13 |
| H01M2004/021 | 12 |