Inventor
James Ching Sik Lau
Inventor
Hong Kong, CN
Overview
Patents· 62 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Kprimary
H02KDynamo-electric machines51%
H01RElectrically-conductive connections12%
B25FCombination or multi-purpose tools not otherwise provided for8%
F16CShafts6%
Y10TTechnical subjects covered by former us classification6%
LOC135%
F04DNon-positive-displacement pumps2%
G01PMeasuring linear or angular speed, acceleration, deceleration, or shock2%
A47LDomestic washing or cleaning1%
A61JContainers specially adapted for medical or pharmaceutical purposes1%
PatentTitleYear
10,989,466Portable cooler with active temperature control202110,693,351Motor driving assembly202010,566,855Permanent magnet direct current motor and HVAC system using the same202010,443,688Driving device having motor and gearbox201910,404,129Electric motor201910,128,715Electric motor with reliable wire connection201810,069,381Motor and Actuator20189,859,767'Electric motor'20189,599,165'Retainer for a rolling bearing'20179,543,798'Electric motor'20179,502,849'Commutator'20169,362,698'Brush motor commutator with spark suppression and method for making the same'20169,337,703'Thrust bearing assembly'20169,154,013'Electric motor'20159,148,038'Fuel pump motor'20159,132,542'Power tool'20159,130,442'Permanent magnet motor'20159,130,438'Permanent magnet motor'20159,124,145'Power tool'20159,077,230'Electric motor with heat dissipating device'20159,035,529'Commutator having a plurality of commutator segments and method for making the same'2015D0722560'Electric motor'2015D0716227'Electric motor'2014D0716226'Electric motor'20148,823,222'Cooling system of motor assembly for cleaner'20148,803,377'Power tool'20148,796,896'Electric motor'20148,710,707'Electric motor'20148,692,431'Permanent magnet rotor'20148,648,515'Brush design for electric motor having commutator'20148,593,022'Electric motor with heat dissipation structure'20138,567,521'Power tool'20138,492,953'Lamination'20138,471,430'Electric motor'20138,421,380'Electric motor'20138,418,780'Power tool'20138,415,911'Power tool with a DC brush motor and with a second power source'20138,415,842'Power tool'20138,410,645'Power tool'20138,294,328'Brush gear of a motor'20128,288,907'Electric motor'20128,049,391'Electric motor'2011D0647478'Rotor core for an electric motor'2011D0579869'Electric motor'20087,298,065'Brush assembly'20077,189,004'Thrust cap'20077,159,295'Method of making a miniature electric motor'20076,954,012'Permanent electric motor with a speed sensor'20056,888,276'Electric motor'20056,867,519'Electric motor'20056,861,775'Electric motor'20056,858,955'End cap assembly'20056,850,023'Method of measuring motor speed'20056,806,607'Electric motor'20046,698,933'Thrust cap'20046,617,742'Star connected rotor'20035,925,950'Rotation detector'19995,895,990'Miniature motor'19995,780,952'Brush assembly for electric motor'19985,717,270'Noise suppression capacitor arrangement on a rotor of an electric motor'19985,619,084'PMDC electric motor with a magnet spacer'19974,883,998'Brush gear for an electric motor'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–1999Based in North Point, HK· patent location history
1997–2020Patents assigned to JOHNSON ELECTRIC SA (55)· patent assignee history
2003–2020Based in Hong Kong, CN· patent location history
2012–2016Patents assigned to LAU JAMES CHING SIK (24)· patent assignee history
2012–2016Patents assigned to WONG DUNCAN YIU LUNG (9)· patent assignee history
2012–2015Patents assigned to JIN CHANG LIN (5)· patent assignee history
2013–2015Patents assigned to Yang xiao jun (5)· patent assignee history
2021Based in Westlake Village, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| JOHNSON ELECTRIC SA | 55 | 1997–2020 |
| LAU JAMES CHING SIKself | 24 | 2012–2016 |
| WONG DUNCAN YIU LUNG | 9 | 2012–2016 |
| JIN CHANG LIN | 5 | 2012–2015 |
| Yang xiao jun | 5 | 2013–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hong Kong, CN | 55 | 2003–2020 |
| North Point, HK | 6 | 1989–1999 |
| Westlake Village, California, US | 1 | 2021 |