Odor sniffing device and vehicle-mounted security inspection apparatus for container
US-12449333-B2 · Oct 21, 2025 · US
Zhang Qingjun is listed as an inventor on 127 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Zhang Qingjun |
| Total patents | 127 |
| First publication | Apr 30, 2015 |
| Latest publication | Oct 21, 2025 |
Publications ranked by popularity score, then publication date.
US-12449333-B2 · Oct 21, 2025 · US
US-12352726-B2 · Jul 8, 2025 · US
US-11994492-B2 · May 28, 2024 · US
US-2024059568-A1 · Feb 22, 2024 · US
US-11876678-B2 · Jan 16, 2024 · US
US-2023236093-A1 · Jul 27, 2023 · US
US-2023236150-A1 · Jul 27, 2023 · US
US-2022404312-A1 · Dec 22, 2022 · US
US-11476102-B2 · Oct 18, 2022 · US
US-11422070-B2 · Aug 23, 2022 · US
Latest publications not already listed above.
US-11408852-B2 · Aug 9, 2022 · US
US-11400407-B2 · Aug 2, 2022 · US
US-11346808-B2 · May 31, 2022 · US
US-11346807-B2 · May 31, 2022 · US
US-11320407-B2 · May 3, 2022 · US
US-2022006699-A1 · Jan 6, 2022 · US
US-11215626-B2 · Jan 4, 2022 · US
US-2021404988-A1 · Dec 30, 2021 · US
US-11193860-B2 · Dec 7, 2021 · US
US-2021215582-A1 · Jul 15, 2021 · US
US-11022581-B2 · Jun 1, 2021 · US
US-2021141103-A1 · May 13, 2021 · US
US-10989689-B2 · Apr 27, 2021 · US
US-2021118656-A1 · Apr 22, 2021 · US
US-2021055267-A1 · Feb 25, 2021 · US
US-2021048376-A1 · Feb 18, 2021 · US
US-2021025849-A1 · Jan 28, 2021 · US
US-10809394-B2 · Oct 20, 2020 · US
US-10794923-B2 · Oct 6, 2020 · US
US-10782211-B2 · Sep 22, 2020 · US
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Nuctech Co Ltd | 120 |
| Univ Tsinghua | 66 |
| New H3C Tech Co Ltd | 2 |
| Wuhu Jiahong New Mat Co Ltd | 2 |
| Nuctech Company Limted | 2 |
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| G01N27/622 | 58 |
| G01N30/02 | 23 |
| G01N2001/022 | 20 |
| G01N1/02 | 20 |
| H01J49/0422 | 20 |