Wai Shing Ip

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Hong Kong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Permanent magnet rotor
- Patent number 9,263,920
- Issue date Feb 16, 2016
- Johnson Electric S.A.
- Lo Ching Kwok
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electric motor
- Patent number 7,834,491
- Issue date Nov 16, 2010
- Johnson Electric S.A.
- Wen Jun Huan
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electric motor
- Patent number D601958
- Issue date Oct 13, 2009
- Johnson Electric S.A.
- Wen Jun Huan
- D13 - Equipment for production, distribution, or transformation of energy

Patents Applicationslast 30 patents

Information Patent Application
PERMANENT MAGNET ROTOR
- Publication number 20130162090
- Publication date Jun 27, 2013
- JOHNSON ELECTRIC S.A.
- Lo Ching KWOK
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Headphone 3D Hearing technology
- Publication number 20120308067
- Publication date Dec 6, 2012
- Wai Hung Ip
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ELECTRIC MOTOR
- Publication number 20090091211
- Publication date Apr 9, 2009
- Wen Jun HUAN
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER