James Ching Sik Lau

Follow

Person

North Point, HK

People

Patents Grantslast 30 patents

Information Patent Grant
Rotation detector
- Patent number 5,925,950
- Issue date Jul 20, 1999
- Johnson Electric S.A.
- James Ching Sik Lau
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Miniature motor
- Patent number 5,895,990
- Issue date Apr 20, 1999
- Johnson Electric S.A.
- James Ching Sik Lau
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Brush assembly for electric motor
- Patent number 5,780,952
- Issue date Jul 14, 1998
- Johnson Electric S.A.
- James Ching Sik Lau
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Noise suppression capacitor arrangement on a rotor of an electric m...
- Patent number 5,717,270
- Issue date Feb 10, 1998
- Johnson Electric S.A.
- James Ching Sik Lau
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
PMDC electric motor with a magnet spacer
- Patent number 5,619,084
- Issue date Apr 8, 1997
- Johnson Electric S.A.
- James C.-S. Lau
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Brush gear for an electric motor
- Patent number 4,883,998
- Issue date Nov 28, 1989
- Johnson Electric Industrial Manufactory, Limited
- James C. Lau
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Multi-Layer Brush
- Publication number 20130264906
- Publication date Oct 10, 2013
- JOHNSON ELECTRIC S.A.
- James Ching Sik LAU
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Thrust cap
- Publication number 20040146230
- Publication date Jul 29, 2004
- Johnson Electric S.A.
- James Ching Sik Lau
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Thrust cap
- Publication number 20020141672
- Publication date Oct 3, 2002
- Johnson Electric S.A.
- James Ching Sik Lau
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...