Membership
Tour
Register
Log in
Joshua S. Zhu
Follow
Person
Torrance, CA, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Apparatus and method for an inbound telemetry device to sense telep...
Patent number
6,487,282
Issue date
Nov 26, 2002
FirstPoint Energy Corp.
Yongping Xia
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus and method for powering a telephone-based inbound telemet...
Patent number
6,347,135
Issue date
Feb 12, 2002
Teldata, Inc.
Yongping Xia
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
EBL having a feedback circuit and a method for ensuring low tempera...
Patent number
5,850,127
Issue date
Dec 15, 1998
Philips Electronics North America Corporation
Joshua Zhu
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Electronic ballast with interface circuitry for multiple dimming in...
Patent number
5,691,605
Issue date
Nov 25, 1997
Philips Electronics North America
Yongping Xia
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Lighting system having a remotely controlled electric lamp and an i...
Patent number
5,506,715
Issue date
Apr 9, 1996
Philips Electronics North America Corporation
Joshua S. Zhu
G08 - SIGNALLING
Information
Patent Grant
Remote control of fluorescent lamp ballast using power flow interru...
Patent number
5,107,184
Issue date
Apr 21, 1992
Electronic Ballast Technology, Inc.
Feng-Kang Hu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Remote control of fluorescent lamp ballast using power flow interru...
Patent number
5,055,746
Issue date
Oct 8, 1991
Electronic Ballast Technology, Incorporated
Feng-Kang Hu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER