Method and device for testing product quality
US-12417528-B2 · Sep 16, 2025 · US
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Yu Yangyang patents
Yu Yangyang is listed as an inventor on 10 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Yu Yangyang |
| Total patents | 10 |
| First publication | Jun 22, 2017 |
| Latest publication | Sep 16, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Electrochemical device and electronic device
US-2025105453-A1 · Mar 27, 2025 · US
Battery and electronic apparatus
US-2024356125-A1 · Oct 24, 2024 · US
Method and device for testing product quality
US-2023039805-A1 · Feb 9, 2023 · US
Collision energy absorption structure and rail vehicle having same
US-11186300-B2 · Nov 30, 2021 · US
Collision energy absorption structure and rail vehicle having same
US-2021221413-A1 · Jul 22, 2021 · US
Coupling assembly and rail vehicle having same
US-10518789-B2 · Dec 31, 2019 · US
Coupling assembly and rail vehicle having same
US-2019329800-A1 · Oct 31, 2019 · US
Railway vehicle and head vehicle barrier-removing device thereof
US-9889864-B2 · Feb 13, 2018 · US
Railway vehicle and head vehicle barrier-removing device thereof
US-2017174233-A1 · Jun 22, 2017 · US
Recent patents
Latest publications not already listed above.
No data yet.
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Crrc Qingdao Sifang Co Ltd | 6 |
| Goertek Inc | 2 |
| Ningde Amperex Technology Ltd | 2 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| B61F19/04 | 4 |
| B61F1/10 | 4 |
| G06T2207/20081 | 2 |
| G06T2207/10144 | 2 |
| G06V10/44 | 2 |