Method for qualitative identification and quantitative determination of caffeine in drug
US-12352693-B2 · Jul 8, 2025 · US
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Yang Qingrou patents
Yang Qingrou is listed as an inventor on 4 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Yang Qingrou |
| Total patents | 4 |
| First publication | Sep 17, 2020 |
| Latest publication | Jul 8, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Method for qualitative identification and quantitative determination of caffeine in drug
US-2021381963-A1 · Dec 9, 2021 · US
Method for quantitative detection of blood lipid content in blood based on terahertz spectroscopy
US-10914678-B2 · Feb 9, 2021 · US
Method for quantitative detection of blood lipid content in blood based on terahertz spectroscopy
US-2020292448-A1 · Sep 17, 2020 · US
Recent patents
Latest publications not already listed above.
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Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Univ Of Shanghai For Science And Technology | 4 |
| Chongqing Inst For Food And Drug Control | 2 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| G01N21/3581 | 2 |
| G01N2021/3595 | 2 |
| G01N21/3586 | 2 |
| G01N2001/4088 | 2 |
| G01N21/3577 | 2 |