Heat spreading substrate for a display
US-12431043-B2 · Sep 30, 2025 · US
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Chang Chi Hao patents
Chang Chi Hao is listed as an inventor on 65 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Chang Chi Hao |
| Total patents | 65 |
| First publication | Nov 2, 2017 |
| Latest publication | Sep 30, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Thermal management devices
US-12342504-B2 · Jun 24, 2025 · US
Housings for electronic devices
US-12339714-B2 · Jun 24, 2025 · US
Dual plate OLET displays
US-12324302-B2 · Jun 3, 2025 · US
Covers for electronic devices
US-2024158943-A1 · May 16, 2024 · US
Coated substrates for electronic devices
US-2024150590-A1 · May 9, 2024 · US
Coated metal alloy substrate with at least one chamfered edge and process for production thereof
US-11939677-B2 · Mar 26, 2024 · US
Energy dampeners for electronic devices
US-11808316-B2 · Nov 7, 2023 · US
Housings for electronic devices
US-2023259179-A1 · Aug 17, 2023 · US
Thermal management devices
US-2023262933-A1 · Aug 17, 2023 · US
Recent patents
Latest publications not already listed above.
Coated substrates for electronic devices
US-2023211375-A1 · Jul 6, 2023 · US
Electronic device covers with dyeing layers
US-2023189465-A1 · Jun 15, 2023 · US
Thermal modules with solder-free thermal bonds
US-2023171928-A1 · Jun 1, 2023 · US
Heat spreading substrate for a display
US-2023112533-A1 · Apr 13, 2023 · US
Dual plate olet displays
US-2023055348-A1 · Feb 23, 2023 · US
Covers for electronic devices with a hydrophobic coating
US-2023034431-A1 · Feb 2, 2023 · US
Covers for electronic devices
US-2023031605-A1 · Feb 2, 2023 · US
Covers for electronic devices
US-2023015912-A1 · Jan 19, 2023 · US
Coated metal alloy substrate and process for production thereof
US-2022403528-A1 · Dec 22, 2022 · US
Antenna windows in carbon fiber enclosures
US-11502389-B2 · Nov 15, 2022 · US
Energy dampeners for electronic devices
US-2022349452-A1 · Nov 3, 2022 · US
Switchable displays with movable pixel units
US-11475805-B2 · Oct 18, 2022 · US
Arrays of electrodes to control pixel contrast at display devices
US-11402703-B2 · Aug 2, 2022 · US
Dual Injection-Molded Metal Substrates
US-2022210940-A1 · Jun 30, 2022 · US
Coated Metal Alloy Substrate with at least one Chamfered Edge and Process for Production Thereof
US-2022162766-A1 · May 26, 2022 · US
Multi-color electronic housings
US-2022145488-A1 · May 12, 2022 · US
Covers for electronic devices
US-2022147118-A1 · May 12, 2022 · US
Display having pixels
US-2022148484-A1 · May 12, 2022 · US
Covers for electronic devices
US-2022137680-A1 · May 5, 2022 · US
Water-Based Anti-Corrosion Cutting Fluid for Electronic Device Housings
US-2022119971-A1 · Apr 21, 2022 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Hewlett Packard Development Co | 64 |
| Hewlett Packard Deveopment Company L P | 1 |
| Hewlett Packard Development Co Lp | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| C25D11/026 | 17 |
| C25D11/30 | 16 |
| G06F1/1656 | 10 |
| C25D11/04 | 9 |
| C23C28/00 | 8 |