Chi Hang To

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Hong Kong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Commutator
- Patent number 8,878,417
- Issue date Nov 4, 2014
- Johnson Electric S.A.
- Guo Hua Luo
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Motor and Fuel Pump
- Publication number 20130309109
- Publication date Nov 21, 2013
- JOHNSON ELECTRIC S.A.
- Yiu Chung WU
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
COMMUTATOR
- Publication number 20110234040
- Publication date Sep 29, 2011
- Guo Hua LUO
- H01 - BASIC ELECTRIC ELEMENTS