Swivel device for vehicle seat
US-2025332975-A1 · Oct 30, 2025 · US
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Park Heejun patents
Park Heejun is listed as an inventor on 29 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Park Heejun |
| Total patents | 29 |
| First publication | Aug 30, 2018 |
| Latest publication | Oct 30, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Organic electric element, display panel comprising the same and display device comprising the same
US-12262570-B2 · Mar 25, 2025 · US
Etching gas compositions, methods of forming micropatterns, and methods of manufacturing semiconductor device
US-12183591-B2 · Dec 31, 2024 · US
Swivel device for vehicle seat
US-2024227633-A1 · Jul 11, 2024 · US
Accessory case for electronic device and electronic device comprising same
US-2024187031-A1 · Jun 6, 2024 · US
Organic light emitting device
US-11895911-B2 · Feb 6, 2024 · US
Compound and organic light emitting device including the same
US-11844270-B2 · Dec 12, 2023 · US
Luminescent material and electroluminescent display device using the same
US-11814401-B2 · Nov 14, 2023 · US
Apparatus and method for quantitative assessment of medical images for diagnosis of chronic obstructive pulmonary disease
US-2023342923-A1 · Oct 26, 2023 · US
Organic compound and organic electroluminescent device comprising the same
US-11744145-B2 · Aug 29, 2023 · US
Recent patents
Latest publications not already listed above.
Organic light emitting device
US-11696497-B2 · Jul 4, 2023 · US
Organic light emitting device
US-2023172060-A1 · Jun 1, 2023 · US
Electronic device comprising multiple microphones
US-11622184-B2 · Apr 4, 2023 · US
Organic light emitting device
US-11515480-B2 · Nov 29, 2022 · US
Electronic apparatus comprising speaker module, and lighting apparatus
US-11473755-B2 · Oct 18, 2022 · US
Etching gas compositions, methods of forming micropatterns, and methods of manufacturing semiconductor device
US-2022310407-A1 · Sep 29, 2022 · US
Compound and organic light-emission device
US-11332474-B2 · May 17, 2022 · US
Organic electroluminescence device
US-11302875-B2 · Apr 12, 2022 · US
Electronic apparatus comprising speaker module, and lighting apparatus
US-2021372595-A1 · Dec 2, 2021 · US
Electronic device comprising multiple microphones
US-2021321185-A1 · Oct 14, 2021 · US
Luminescent material and electroluminescent display device using the same
US-2021198298-A1 · Jul 1, 2021 · US
Organic electric element, display panel comprising the same and display device comprising the same
US-2021202846-A1 · Jul 1, 2021 · US
Novel compound and organic light emitting device
US-2020335698-A1 · Oct 22, 2020 · US
Organic light emitting device
US-2020203619-A1 · Jun 25, 2020 · US
Organic light emitting device
US-2020203620-A1 · Jun 25, 2020 · US
Organic compound and organic electroluminescent device comprising the same
US-2020144506-A1 · May 7, 2020 · US
Organic electroluminescence device
US-2020106025-A1 · Apr 2, 2020 · US
Compound and organic light-emission device
US-2020048273-A1 · Feb 13, 2020 · US
Flame-retardant, fireproof, semi-incombustible plywood ceiling material, and method for manufacturing same
US-2018245336-A1 · Aug 30, 2018 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Lg Display Co Ltd | 18 |
| Samsung Electronics Co Ltd | 7 |
| Rohm & Haas Elect Materials Korea Ltd | 2 |
| Mat Science Co Ltd | 2 |
| Hyundai Transys Inc | 2 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| H10K50/15 | 16 |
| H10K85/636 | 14 |
| H10K85/615 | 14 |
| H10K85/633 | 14 |
| H10K50/11 | 14 |