Fuel cell system
US-12489125-B2 · Dec 2, 2025 · US
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Kim Hak Yoon patents
Kim Hak Yoon is listed as an inventor on 39 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Kim Hak Yoon |
| Total patents | 39 |
| First publication | Apr 23, 2020 |
| Latest publication | Dec 2, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Positive Electrode Material, Positive Electrode Including the Same, and Lithium Secondary Battery
US-2025260000-A1 · Aug 14, 2025 · US
Fuel cell system
US-12308500-B2 · May 20, 2025 · US
Method of preparing positive electrode active material for lithium secondary battery and positive electrode active material prepared by the same
US-12278376-B2 · Apr 15, 2025 · US
Negative electrode and secondary battery including negative electrode
US-12249718-B2 · Mar 11, 2025 · US
Nozzle assembly for vehicle
US-2025079485-A1 · Mar 6, 2025 · US
Ejector nozzle and ejector including same
US-12155097-B2 · Nov 26, 2024 · US
Positive electrode and lithium secondary battery including the same
US-12126020-B2 · Oct 22, 2024 · US
Method of producing positive electrode material for secondary battery
US-12021228-B2 · Jun 25, 2024 · US
Fuel cell system
US-2024105971-A1 · Mar 28, 2024 · US
Recent patents
Latest publications not already listed above.
Positive Electrode and Lithium Secondary Battery Including the Same
US-2024097112-A1 · Mar 21, 2024 · US
Positive Electrode Active Material, and Positive Electrode and Secondary Battery Which Include the Same
US-2024072244-A1 · Feb 29, 2024 · US
Ejector nozzle and ejector including same
US-2024055623-A1 · Feb 15, 2024 · US
Positive Electrode Active Material, and Positive Electrode and Lithium Secondary Battery Which Include the Same
US-2024021788-A1 · Jan 18, 2024 · US
Fuel cell system and method of controlling same
US-11862824-B2 · Jan 2, 2024 · US
Positive Electrode for Lithium Secondary Battery and Lithium Secondary Battery Including the Same
US-2023402597-A1 · Dec 14, 2023 · US
Composite conductive material having excellent dispersibility, slurry for forming lithium secondary battery electrode using the same, and lithium secondary battery
US-11837376-B2 · Dec 5, 2023 · US
Method of Preparing Lithium Secondary Battery and Lithium Secondary Battery Prepared Thereby
US-2023387399-A1 · Nov 30, 2023 · US
Ejector nozzle and ejector including same
US-11824235-B2 · Nov 21, 2023 · US
Fluid discharge valve
US-2023296190-A1 · Sep 21, 2023 · US
Positive Electrode and Lithium Secondary Battery Including the Same
US-2023155127-A1 · May 18, 2023 · US
Fuel cell system
US-2023047763-A1 · Feb 16, 2023 · US
System and method for fuel supply control for a fuel cell
US-11581555-B2 · Feb 14, 2023 · US
Method of Producing Positive Electrode Material for Secondary Battery
US-2022416231-A1 · Dec 29, 2022 · US
Positive Electrode Active Material for Lithium Secondary Battery and Method of Preparing the Positive Electrode Active Material
US-2022416238-A1 · Dec 29, 2022 · US
Method of Preparing Positive Electrode Active Material for Lithium Secondary Battery and Positive Electrode Active Material Prepared by the Same
US-2022407077-A1 · Dec 22, 2022 · US
Fuel Cell System and Method of Controlling Same
US-2022190363-A1 · Jun 16, 2022 · US
System and method for fuel supply control for a fuel cell
US-2022166039-A1 · May 26, 2022 · US
Negative Electrode and Secondary Battery Including Negative Electrode
US-2022158192-A1 · May 19, 2022 · US
Electrode And Secondary Battery Including Same
US-2022158194-A1 · May 19, 2022 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Hyundai Motor Co Ltd | 18 |
| Lg Energy Solution Ltd | 17 |
| Kia Corp | 12 |
| Kia Motors Corp | 6 |
| Lg Chemical Ltd | 4 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| Y02E60/10 | 23 |
| H01M10/052 | 18 |
| Y02E60/50 | 18 |
| H01M10/0525 | 16 |
| H01M2004/028 | 14 |