Changfeng LI
Inventor
Stats
- 23 US patents issued
- 289 US Applications filed
- most recent filing
This is official USPTO record data
Details
- 23 US Patents Issued
- 289 US Applications Filed
- 1214 Total Citation Count
- Oct 10, 2024 Most Recent Filing
- Sep 23, 2014 Earliest Filing
Work History
| Patent Owner | Applications Filed | Year |
|---|---|---|
| BOE Technology Group Cp., Ltd. | 1
| 2016
|
| JILIN ASYMCHEM LABORATORIES CO., LTD. | 1
| 2014
|
| ASYMCHEM LABORATORIES (FUXIN) CO., LTD. | 1
| 2014
|
| ASYMCHEM LIFE SCIENCE (TIANJIN) CO., LTD. | 1
| 2014
|
| BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD. | 4
55 47 | 2014
2015 2016 |
| TIANJIN ASYMCHEM PHARMACEUTICAL CO., LTD. | 1
| 2014
|
| ASYMCHEM LABORATORIES (TIANJIN) CO., LTD. | 1
| 2014
|
| BEIJING BOE OPOELECTRONICS TECHNOLOGY CO., LTD | 1
| 2015
|
| BOE TECHNOLOGY GROUP CO., LTD. | 4
55 47 1 | 2014
2015 2016 2017 |
Inventor Addresses
| Address | Duration |
|---|---|
| Beijing, CA | Nov 26, 19 - Nov 26, 19 |
| Beijing, CN | Jan 28, 16 - Mar 18, 25 |
| Changzhou, CN | Apr 07, 22 - Dec 26, 23 |
| TEDA Tianjin, CN | May 31, 18 - Jun 19, 18 |
| Tianjin, CN | Nov 10, 16 - Apr 02, 19 |
Technology Profile
| Technology | Matters | |
|---|---|---|
| A41B: | SHIRTS; UNDERWEAR; BABY LINEN; HANDKERCHIEFS | 1 |
| A43B: | CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR | 1 |
| A46B: | BRUSHES | 1 |
Patents / Publication
| Patents / Publication # | Year of Publication / Issued | Title | Citations |
|---|---|---|---|
| 12251699 | 2025 | Micro-fluidic substrate, micro-fluidic structure and driving method thereof | 0 |
| 2025/0069,529 | 2025 | DISPLAY PANEL AND DISPLAY DEVICE | 0 |
| 12236824 | 2025 | Gate driving circuit, method of driving gate driving circuit, and display panel | 0 |
| 12230340 | 2025 | Shift register unit, gate driving circuit and display device | 0 |
| 12228823 | 2025 | Light emitting substrate, display apparatus, and method of driving light emitting substrate | 0 |
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