HPK INC.
Patent Applications and Registrations
Patent applications and USPTO patent grants for HPK INC..The latest application filed is for "method of producing carbon fiber".
- HPK INC. - Pyeongtaek-si KR
- HPK INC. - Gyeonggi-do KR
| Patent | Date |
|---|---|
| Method of manufacturing composite anode material and composite anode material for lithium secondary battery Grant 11,367,865 - Cho , et al. June 21, 2 | 2022-06-21 |
| Method of producing carbon fiber Grant 11,268,215 - Cho , et al. March 8, 2 | 2022-03-08 |
| Method Of Producing Carbon Fiber App 20200378034 - CHO; Chang Hyun ; et al. | 2020-12-03 |
| Method Of Manufacturing Composite Anode Material And Composite Anode Material For Lithium Secondary Battery App 20200321607 - CHO; Chang Hyun ; et al. | 2020-10-08 |
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