Chunhua LI

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Touch pen, driving method thereof and touch system
- Patent number 11,144,138
- Issue date Oct 12, 2021
- Hefei BOE Optoelectronics Technology Co., Ltd.
- Chunhua Li
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Electronic pen and inclined handwriting adjustment method thereof,...
- Patent number 11,093,050
- Issue date Aug 17, 2021
- Hefei BOE Optoelectronics Technology Co., Ltd.
- Guanglei Yang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Stylus and human-machine interactive apparatus
- Patent number 10,983,612
- Issue date Apr 20, 2021
- Hefei BOE Optoelectronics Technology Co., Ltd.
- Chunhua Li
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
TOUCH PEN, DRIVING METHOD THEREOF AND TOUCH SYSTEM
- Publication number 20210149504
- Publication date May 20, 2021
- HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
- Chunhua LI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Electronic Pen and Inclined Handwriting Adjustment Method Thereof,...
- Publication number 20200218367
- Publication date Jul 9, 2020
- HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
- Guanglei Yang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
STYLUS AND HUMAN-MACHINE INTERACTIVE APPARATUS
- Publication number 20200103987
- Publication date Apr 2, 2020
- HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
- Chunhua LI
- G06 - COMPUTING CALCULATING COUNTING