Junjie LEI

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Shenzhen, CN

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Patents Grantslast 30 patents

Information Patent Grant
Electronic pen, method and device for controlling electronic pen, a...
- Patent number 11,614,790
- Issue date Mar 28, 2023
- SHENZHEN QIANFENYI INTELLIGENT TECHNOLOGY CO., LTD
- Hongyao Zhong
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
LUNG FUNCTION DETECTION METHOD, SYSTEM AND APPARATUS, AND COMPUTER...
- Publication number 20250127452
- Publication date Apr 24, 2025
- SHENZHEN HUAYI MEDICAL TECHNOLOGIES CO., LTD
- Weidong SONG
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ELECTRONIC PEN, METHOD AND DEVICE FOR CONTROLLING ELECTRONIC PEN, A...
- Publication number 20220269331
- Publication date Aug 25, 2022
- SHENZHEN QIANFENYI INTELLIGENT TECHNOLOGY CO., LTD
- Hongyao ZHONG
- G06 - COMPUTING CALCULATING COUNTING