Jin CAO

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Inkjet assembly, inkjet printing apparatus and inkjet printing meth...
- Patent number 11,794,471
- Issue date Oct 24, 2023
- BOE Technology Group Co., Ltd.
- Jinsong Zhang
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Inkjet assembly, inkjet printing apparatus and inkjet printing meth...
- Patent number 11,584,131
- Issue date Feb 21, 2023
- BOE Technology Group Co., Ltd.
- Jin Cao
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
INKJET ASSEMBLY, INKJET PRINTING APPARATUS AND INKJET PRINTING METH...
- Publication number 20230391077
- Publication date Dec 7, 2023
- BOE TECHNOLOGY GROUP CO., LTD.
- Jinsong ZHANG
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
INKJET ASSEMBLY, INKJET PRINTING APPARATUS AND INKJET PRINTING METH...
- Publication number 20220184960
- Publication date Jun 16, 2022
- BOE TECHNOLOGY GROUP CO., LTD.
- Jin CAO
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
INKJET ASSEMBLY, INKJET PRINTING APPARATUS AND INKJET PRINTING METH...
- Publication number 20220184945
- Publication date Jun 16, 2022
- BOE TECHNOLOGY GROUP CO., LTD.
- Jinsong ZHANG
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS