Qiu Weiguang
USPTO Trademark & Patent Filings
Trademark applications and grants for Qiu Weiguang. Qiu Weiguang has 3 trademark applications. The latest application filed is for "P"
- Company Aliases
- Qiu Weiguang
- weiguang qiu
- Qiu; Weiguang - Beijing CN
- Qiu; Weiguang - Fremont CA
- Qiu, Weiguang - Albany CA
- qiu; weiguang - Beijing CN
- Qiu; Weiguang - Albany CA
Trademarks Patents
| Patent Application | Date |
|---|---|
| method and device for gauging an electronic apparatus 20190383876 - 16/441000 Gray; Richard Landry ; et al. | 2019-12-19 |
| PHASE-CONTROLLED NON-ZERO-CROSS PHOTOTRIAC WITH ISOLATED FEEDBACK 20100308780 - 12/480392 Qiu; Weiguang ; et al. | 2010-12-09 |
| CCFL circuit with independent adjustment of frequency and duty cycle 20050012470 - 10/621746 Qiu, Weiguang | 2005-01-20 |
| Method and device for gauging an electronic apparatus 10,983,167 - 16/441,000 Gray , et al. April 20, 2 | 2021-04-20 |
| Method and device for gauging an electronic apparatus 10,983,167 - 16/441,000 Gray , et al. April 20, 2 | 2021-04-20 |
| LED driver with fast open circuit protection, short circuit compensation, and rapid brightness control response 7,550,934 - 12/061,583 Deng , et al. June 23, 2 | 2009-06-23 |
| CCFL circuit with independent adjustment of frequency and duty cycle 6,911,786 - 10/621,746 Qiu June 28, 2 | 2005-06-28 |
Mark Image Registration | Serial | Trademark Application Date |
|---|---|
"P" 90441467 |
P 2020-12-31 |
"PECSU" 90143698 |
PECSU 2020-08-28 |
"BAXAP" 90143691 |
BAXAP 2020-08-28 |
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