Haining GU

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Hangzhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Cartridge test device, cartridge component, and cartridge component...
- Patent number 12,285,952
- Issue date Apr 29, 2025
- HANGSHOU CHIP JET TECHNOLOGY CO., LTD.
- Haining Gu
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink cartridge verification method, system, readable storage medium...
- Patent number 11,738,561
- Issue date Aug 29, 2023
- HANGZHOU CHIPJET TECHNOLOGY CO., LTD.
- Yuanjin Shao
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Core-shell structure supported tungsten composite catalyst and prep...
- Patent number 10,500,568
- Issue date Dec 10, 2019
- Hangzhou Normal University
- Pengfei Zhang
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
CARTRIDGE TEST DEVICE, CARTRIDGE COMPONENT, AND CARTRIDGE COMPONENT...
- Publication number 20220339946
- Publication date Oct 27, 2022
- HANGZHOU CHIPJET TECHNOLOGY CO., LTD.
- Haining GU
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
INK CARTRIDGE VERIFICATION METHOD, SYSTEM, READABLE STORAGE MEDIUM...
- Publication number 20210379903
- Publication date Dec 9, 2021
- HANGZHOU CHIPJET TECHNOLOGY CO., LTD.
- Yuanjin SHAO
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
CORE-SHELL STRUCTURE SUPPORTED TUNGSTEN COMPOSITE CATALYST AND PREP...
- Publication number 20190009255
- Publication date Jan 10, 2019
- Hangzhou Normal University
- Pengfei ZHANG
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL