Systems and methods of determining hygiene condition of an interior space
US-2022074935-A1 · Mar 10, 2022 · US
Zhao He is listed as an inventor on 2 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Zhao He |
| Total patents | 2 |
| First publication | Sep 17, 2020 |
| Latest publication | Mar 10, 2022 |
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Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Procter & Gamble | 2 |
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| A61K8/375 | 1 |
| A61K8/463 | 1 |
| A61K8/345 | 1 |
| A61K8/27 | 1 |
| A61K8/4933 | 1 |