Loudspeaker
US-12568336-B2 · Mar 3, 2026 · US
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Ren Li patents
Ren Li is listed as an inventor on 64 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Ren Li |
| Total patents | 64 |
| First publication | Mar 24, 2016 |
| Latest publication | Mar 3, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Speaker box
US-12526560-B2 · Jan 13, 2026 · US
Self-diagnosis and self-repair intelligent coating based on microfluidic technology and preparation method thereof
US-2026008927-A1 · Jan 8, 2026 · US
Device for in-situ hydrogen absorption and hydrolysis hydrogen production based on magnesium-based solid hydrogen storage alloy and use thereof
US-2026001759-A1 · Jan 1, 2026 · US
Speaker box and electronic device
US-12452580-B2 · Oct 21, 2025 · US
Sound device
US-12413912-B2 · Sep 9, 2025 · US
Medium-voltage photovoltaic grid-connected inverter system and photovoltaic power generation system
US-12374897-B2 · Jul 29, 2025 · US
Sound device
US-12356173-B2 · Jul 8, 2025 · US
Loudspeaker
US-12356172-B2 · Jul 8, 2025 · US
Sound device
US-12335708-B2 · Jun 17, 2025 · US
Recent patents
Latest publications not already listed above.
Hyaluronic acid-based zwitterionic polymer brush, preparation method thereof, and use thereof
US-12297300-B2 · May 13, 2025 · US
Rolling and sliding adaptive device for guiding and fixing drill pipe
US-12252942-B2 · Mar 18, 2025 · US
Composite loaded with nano-magnesium hydride and preparation method thereof
US-12227413-B2 · Feb 18, 2025 · US
Medium-voltage photovoltaic grid-connected inverter system and photovoltaic power generation system
US-12212133-B2 · Jan 28, 2025 · US
Coupling numerical simulation method for site selection of underground salt cavern hydrogen storage
US-12131104-B2 · Oct 29, 2024 · US
Assembly method for deep in-situ high-fidelity coring calibration platform
US-12128512-B2 · Oct 29, 2024 · US
Real-time temperature-pressure detection and rapid processing system for calibration platform
US-12130646-B2 · Oct 29, 2024 · US
Medium-voltage photovoltaic grid-connection inverter system, and photovoltaic power generation system
US-12126180-B2 · Oct 22, 2024 · US
Rolling and sliding adaptive device for guiding and fixing drill pipe
US-2024344410-A1 · Oct 17, 2024 · US
Speaker box
US-2024340562-A1 · Oct 10, 2024 · US
Speaker box
US-2024340566-A1 · Oct 10, 2024 · US
Speaker box and electronic device
US-2024340561-A1 · Oct 10, 2024 · US
Speaker box and electronic device
US-2024340575-A1 · Oct 10, 2024 · US
Bending foam assembly and speaker box
US-2024340564-A1 · Oct 10, 2024 · US
Speaker box
US-2024340563-A1 · Oct 10, 2024 · US
Bottom cylinder for high-temperature and high-pressure environment simulator
US-12085100-B2 · Sep 10, 2024 · US
Coupling numerical simulation method for site selection of underground salt cavern hydrogen storage
US-2024289521-A1 · Aug 29, 2024 · US
High-temperature and high-pressure simulator for deep in-situ environment
US-12071820-B2 · Aug 27, 2024 · US
Composite loaded with nano-magnesium hydride and preparation method thereof
US-2024262684-A1 · Aug 8, 2024 · US
Assembly method for deep in-situ high-fidelity coring calibration platform
US-2024261911-A1 · Aug 8, 2024 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Aac Microtech Changzhou Co Ltd | 21 |
| Univ Sichuan | 13 |
| Univ South China Tech | 10 |
| Sungrow Power Supply Co Ltd | 6 |
| Univ Huazhong Science Tech | 4 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| H04R2499/11 | 13 |
| H04R7/04 | 11 |
| H04R9/025 | 11 |
| H04R2400/11 | 10 |
| H04R1/025 | 9 |