Changfeng XIA

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Xi'an, CN

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Patents Grantslast 30 patents

Information Patent Grant
Galvanometer positioning tool and laser printer
- Patent number 12,215,963
- Issue date Feb 4, 2025
- SMC Multi-Media Products Company Ltd.
- Che Yin Tang
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method and circuit for obtaining capacitive feedback signal of capa...
- Patent number 11,402,952
- Issue date Aug 2, 2022
- XI AN ZHISENSOR TECHNOLOGIES CO., LTD.
- Changfeng Xia
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
GALVANOMETER POSITIONING TOOL AND LASER PRINTER
- Publication number 20230221107
- Publication date Jul 13, 2023
- SMC Multi-Media Products Company Ltd.
- Che Yin Tang
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
METHOD AND CIRCUIT FOR OBTAINING CAPACITIVE FEEDBACK SIGNAL OF CAPA...
- Publication number 20220075465
- Publication date Mar 10, 2022
- XI AN ZHISENSOR TECHNOLOGIES CO., LTD.
- Changfeng XIA
- G06 - COMPUTING CALCULATING COUNTING