Jianping LI

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Guangdong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Scissor-leg structural key and its switch device, and a keyboard ap...
- Patent number 11,114,260
- Issue date Sep 7, 2021
- Jianping Li
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Mechanical switch of photoelectrical type and a key assembly of a k...
- Patent number 11,081,300
- Issue date Aug 3, 2021
- Jianping Li
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Key of optical mechanical keyboard comprising a ring lock with a li...
- Patent number 10,680,611
- Issue date Jun 9, 2020
- Jianping Li
- G01 - MEASURING TESTING
Information Patent Grant
Photoelectric keyboard button
- Patent number 10,263,618
- Issue date Apr 16, 2019
- Jianping Li
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
AUTOMATIC TELESCOPIC FOLDING METHOD FOR KEYBOARD AND LIFTING KEY
- Publication number 20210271331
- Publication date Sep 2, 2021
- Dongguan Mingjian Electronic Technology Co., Ltd.
- Jianping LI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
A mechanical switch of photoelectrical type and a key assembly of a...
- Publication number 20210193410
- Publication date Jun 24, 2021
- Dongguan Mingjian Electronic Technology Co., Ltd.
- Jianping LI
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
A scissor-leg structural key and its switch device, and a keyboard...
- Publication number 20210183595
- Publication date Jun 17, 2021
- DONGGUAN MINGJIAN ELECTRONIC TECHNOLOGY GO:,LTD
- Jianping LI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Key assembly in optical mechanical keyboard
- Publication number 20190052266
- Publication date Feb 14, 2019
- Dongguan Mingjian Electronic Technology Co., Ltd.
- Jianping LI
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
PHOTOELECTRIC KEYBOARD BUTTON
- Publication number 20170264294
- Publication date Sep 14, 2017
- Dongguan Mingjian Technology Co., Ltd
- Jianping LI
- H01 - BASIC ELECTRIC ELEMENTS