Rongming HU

Follow

Person

Hangzhou, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Threshold variable feedback circuit,consumable chip, and consumable
- Patent number 11,351,790
- Issue date Jun 7, 2022
- HANGZHOU CHIP JET TECHNOLOGY CO., LTD.
- Rongming Hu
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method for reusing ink cartridge, system of reusing ink cartridge,...
- Patent number 10,737,500
- Issue date Aug 11, 2020
- HANGZHOU CHIPJET TECHNOLOGY CO., LTD.
- Rongming Hu
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
THRESHOLD VARIABLE FEEDBACK CIRCUIT,CONSUMABLE CHIP, AND CONSUMABLE
- Publication number 20210339536
- Publication date Nov 4, 2021
- HANGZHOU CHIPJET TECHNOLOGY CO., LTD.
- Rongming HU
- G05 - CONTROLLING REGULATING
Information Patent Application
METHOD FOR REUSING INK CARTRIDGE, SYSTEM OF REUSING INK CARTRIDGE,...
- Publication number 20200094569
- Publication date Mar 26, 2020
- HANGZHOU CHIPJET TECHNOLOGY CO., LTD.
- Rongming HU
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY