Transistor, transistor preparation method, and electronic device
US-2026060077-A1 · Feb 26, 2026 · US
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Li Haijun patents
Li Haijun is listed as an inventor on 32 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Li Haijun |
| Total patents | 32 |
| First publication | May 7, 2015 |
| Latest publication | Feb 26, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Refrigeration system
US-12546514-B2 · Feb 10, 2026 · US
Storage-stable polyisocyanate composition and preparation method
US-12304993-B2 · May 20, 2025 · US
Method and system for fish identification based on body surface texture features and geometric features
US-12236703-B1 · Feb 25, 2025 · US
Chip, chip preparation method, radio frequency power amplifier, and terminal
US-2024421108-A1 · Dec 19, 2024 · US
Semiconductor component and electronic device
US-2024313069-A1 · Sep 19, 2024 · US
Semiconductor device and manufacturing method therefor, power amplification circuit, and electronic device
US-2024274688-A1 · Aug 15, 2024 · US
Refrigeration system
US-2024230172-A1 · Jul 11, 2024 · US
Charging control apparatus and method, and electric vehicle
US-2023398894-A1 · Dec 14, 2023 · US
Semiconductor device, electronic device, and semiconductor device preparation method
US-2023395455-A1 · Dec 7, 2023 · US
Recent patents
Latest publications not already listed above.
High electron mobility transistor and manufacturing method thereof, chip, and electronic device
US-2023343835-A1 · Oct 26, 2023 · US
Semiconductor device and manufacturing method thereof
US-2023299022-A1 · Sep 21, 2023 · US
Storage-stable polyisocyanate composition and preparation method therefor
US-2023272151-A1 · Aug 31, 2023 · US
Screw compressor with male and female rotors
US-11725658-B2 · Aug 15, 2023 · US
Pipeline radar and television inspection robot
US-11708933-B2 · Jul 25, 2023 · US
Noise reduction device for outlet side of fan and heat exchange system including the same
US-11668328-B2 · Jun 6, 2023 · US
Storage-stable polyisocyanate composition and preparation method
US-2023132686-A1 · May 4, 2023 · US
Noise reduction device for outlet side of fan and heat exchange system including the same
US-2022025906-A1 · Jan 27, 2022 · US
On-line Solution Heat Treatment Process for Austenitic Stainless Steel Plates
US-2022025473-A1 · Jan 27, 2022 · US
A screw compressor with male and female rotors
US-2021372401-A1 · Dec 2, 2021 · US
Pipeline radar and television inspection robot
US-2021010628-A1 · Jan 14, 2021 · US
System of electron irradiation
US-2020314995-A1 · Oct 1, 2020 · US
Heat pump system and regulating method thereof
US-10473364-B2 · Nov 12, 2019 · US
Heat pump unit and multi-functional mode control method
US-2019128581-A1 · May 2, 2019 · US
Heat pump system, heat pump unit using the same, and method for controlling multiple functional modes thereof
US-10197306-B2 · Feb 5, 2019 · US
System and method for executing third party module with web servers
US-9888092-B2 · Feb 6, 2018 · US
Heat pump system and regulating method thereof
US-2017370623-A1 · Dec 28, 2017 · US
Method for preparing biuret polyisocyanate
US-9701624-B2 · Jul 11, 2017 · US
System and method for supporting an object oriented scripting tool
US-9569181-B2 · Feb 14, 2017 · US
Method For Preparing Biuret Polyisocyanate
US-2016311765-A1 · Oct 27, 2016 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Carrier Corp | 10 |
| Huawei Tech Co Ltd | 8 |
| Wanhua Chemical Group Co Ltd | 6 |
| Wanhua Chemical Ningbo Co Ltd | 3 |
| Johnson Controls Air Conditioning And Refrigeration Wuxi Co Ltd | 2 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| F25B41/20 | 6 |
| F25B13/00 | 6 |
| H10D62/8503 | 6 |
| H10D30/475 | 6 |
| H10D30/015 | 5 |