JL

James Ching Sik Lau

JS Johnson Electric S.A.: 56 patents #2 of 526Top 1%
JA Johnson Electric International Ag: 4 patents #41 of 404Top 15%
Overall (All Time): #38,099 of 4,157,543Top 1%
61
Patents All Time

Issued Patents All Time

Showing 51–61 of 61 patents

Patent #TitleCo-InventorsDate
6858955 End cap assembly 2005-02-22
6850023 Method of measuring motor speed 2005-02-01
6806607 Electric motor 2004-10-19
6698933 Thrust cap 2004-03-02
6617742 Star connected rotor 2003-09-09
5925950 Rotation detector 1999-07-20
5895990 Miniature motor 1999-04-20
5780952 Brush assembly for electric motor 1998-07-14
5717270 Noise suppression capacitor arrangement on a rotor of an electric motor Ho Seung Pun 1998-02-10
5619084 PMDC electric motor with a magnet spacer 1997-04-08
4883998 Brush gear for an electric motor 1989-11-28