Quan Liu
Inventor
Stats
- 33 US patents issued
- 92 US Applications filed
- most recent filing
This is official USPTO record data
Details
- 33 US Patents Issued
- 92 US Applications Filed
- 496 Total Citation Count
- May 1, 2024 Most Recent Filing
- Dec 18, 2002 Earliest Filing
Work History
Inventor Addresses
| Address | Duration |
|---|---|
| Ames, IA | Jan 03, 08 - Jan 03, 08 |
| Ames, IA, US | Jan 27, 09 - Oct 26, 10 |
| Beijing City, CN | Jul 09, 20 - Jul 09, 20 |
| Beijing, CN | Sep 30, 10 - Mar 06, 25 |
| Carmel, IN, US | Feb 18, 10 - Jun 14, 16 |
| Changsha, CN | Sep 27, 12 - Aug 29, 13 |
| Cheongju-si, KR | Sep 21, 23 - Dec 31, 24 |
| Dalian, Liaoning, CN | May 26, 16 - May 26, 16 |
| Durham, NC | Oct 21, 08 - Oct 30, 08 |
| Durhan, NC, US | Aug 30, 07 - Aug 30, 07 |
| Fujian, CN | Mar 05, 24 - Jan 28, 25 |
| Guangdong, CN | May 26, 16 - Apr 25, 17 |
| Hefei, CN | Mar 23, 23 - Mar 23, 23 |
| Hubei, CN | Jul 02, 24 - Jul 02, 24 |
| Jiangsu, CN | Dec 04, 14 - Apr 13, 21 |
| Kunshan, CN | Oct 03, 19 - Apr 16, 24 |
| Kunshan, Jiangsu, CN | Sep 10, 20 - Sep 10, 20 |
| La Mirada, CA | Dec 25, 08 - Dec 25, 08 |
| La Mirada, CA, US | Feb 09, 10 - Feb 09, 10 |
| Lanzhou, CN | Oct 06, 22 - Jun 15, 23 |
| Liaoning, CN | Oct 03, 17 - Oct 03, 17 |
| Madison, WI | Nov 30, 04 - Apr 10, 07 |
| Madison, WI, US | Nov 27, 03 - Jun 30, 05 |
| Nanjing, CN | Aug 23, 07 - Nov 11, 21 |
| Nashville, TN, US | Jul 27, 23 - Mar 06, 25 |
| Ningde, CN | May 02, 24 - May 02, 24 |
| Petaluma, CA, US | Jan 01, 15 - Aug 01, 24 |
| QINGDAO, CN | Apr 28, 16 - May 16, 19 |
| Qingdao, CN | Apr 05, 18 - Jul 27, 21 |
| Redmond, WA | Aug 12, 08 - Aug 12, 08 |
| Rohnert Park, CA, US | Oct 20, 16 - Jun 06, 17 |
| Santa Rosa, CA, US | Mar 14, 13 - Jun 02, 15 |
| Shanghai, CN | Apr 14, 11 - Dec 09, 14 |
| Shenzhen City, CN | Feb 21, 13 - Feb 21, 13 |
| Shenzhen, CN | Jan 10, 13 - Feb 08, 24 |
| Shoreview, MN, US | Sep 27, 12 - May 14, 13 |
| Singapore, SG | Oct 11, 12 - Sep 27, 18 |
| Suzhou City, CN | Oct 22, 20 - Oct 22, 20 |
| Suzhou, CN | Nov 28, 19 - Aug 22, 24 |
| Wuhan, CN | Nov 02, 17 - May 26, 20 |
| Wuxi, CN | May 30, 24 - Feb 04, 25 |
| Xiamen, CN | Sep 29, 22 - May 18, 23 |
| Xiamen, Fujian, CN | Sep 15, 22 - Sep 15, 22 |
| Yueqing, CN | Feb 20, 18 - Feb 20, 18 |
| Zhuhai, CN | Feb 07, 13 - Oct 21, 14 |
| yueqing, CN | Nov 30, 17 - Nov 30, 17 |
Technology Profile
| Technology | Matters | |
|---|---|---|
| A01C: | PLANTING; SOWING; FERTILISING | 1 |
| A23L: | FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT | 1 |
| A47C: | CHAIRS | 1 |
Patents / Publication
| Patents / Publication # | Year of Publication / Issued | Title | Citations |
|---|---|---|---|
| 2025/0081,774 | 2025 | DISPLAY SUBSTRATE, DISPLAY DEVICE, AND DISPLAY SUBSTRATE MANUFACTURING METHOD | 0 |
| 2025/0078,291 | 2025 | Meta-Optic Accelerators for Machine Vision and Related Methods | 0 |
| 12214659 | 2025 | Power take-off (PTO) assembly in a transmission and PTO assembly operating method | 0 |
| 12209910 | 2025 | Radio frequency tagging optical spectrometer and method for measurements of optical spectra | 0 |
| 12184165 | 2024 | Power factor correction circuit | 0 |
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