Daniel Liu

Person

Taipei Hsien, TW

People

Patents Grantslast 30 patents

Information Patent Grant
Power plug adapter with magnetically attachable module
- Patent number 10,446,979
- Issue date Oct 15, 2019
- Prodigit Electronics Co., Ltd.
- Daniel Liu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Electronic tag time-sharing control system and method thereof
- Patent number 8,723,650
- Issue date May 13, 2014
- Ceramicro Technology Corp.
- Lincoln Tseng
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Electronic timer with graphic time scale display panel
- Patent number 8,120,995
- Issue date Feb 21, 2012
- Daniel Liu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Multiple function thin-film resistor-capacitor array
- Patent number 7,625,775
- Issue date Dec 1, 2009
- TrueLight Corporation
- Daniel Liu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrical load status detection and control device
- Patent number 7,411,317
- Issue date Aug 12, 2008
- Prodigit Electronics Co., Ltd.
- Daniel Liu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Bi-directional optical signal transmitting and receiving device
- Patent number 7,364,374
- Issue date Apr 29, 2008
- TrueLight Corporation
- Daniel Liu
- G02 - OPTICS
Information Patent Grant
Digital controlled power regulation device
- Patent number 6,768,227
- Issue date Jul 27, 2004
- Prodigit Electronics Co., Ltd.
- Daniel Liu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Spark elimination circuit for controlling relay contacts
- Patent number 6,768,615
- Issue date Jul 27, 2004
- Daniel Liu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Safety control circuit for electric water heater
- Patent number 6,646,237
- Issue date Nov 11, 2003
- Daniel Liu
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Power monitoring module with display unit for electrical power sour...
- Patent number 6,476,729
- Issue date Nov 5, 2002
- Daniel Liu
- G01 - MEASURING TESTING
Information Patent Grant
Digital illumination adjusting circuit
- Patent number 6,329,766
- Issue date Dec 11, 2001
- Daniel Liu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Fastener for all-purpose power supply sockets
- Patent number 6,261,109
- Issue date Jul 17, 2001
- Delta Electronics Inc.
- Daniel Liu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Circuit arrangement for simulating alternating current load
- Patent number 6,218,853
- Issue date Apr 17, 2001
- Daniel Liu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electric adapter with display unit
- Patent number 6,095,850
- Issue date Aug 1, 2000
- Daniel Liu
- G01 - MEASURING TESTING
Information Patent Grant
Alternating current power control device
- Patent number 5,994,883
- Issue date Nov 30, 1999
- Daniel Liu
- G05 - CONTROLLING REGULATING
Information Patent Grant
AC load simulator
- Patent number 5,103,390
- Issue date Apr 7, 1992
- Prodigit Electronics Co. Ltd.
- Daniel Liu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Roll-camber grinding apparatus
- Patent number 4,969,297
- Issue date Nov 13, 1990
- Daniel Liu
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
ELECTRONIC TAG TIME-SHARING CONTROL SYSTEM AND METHOD THEREOF
- Publication number 20120326846
- Publication date Dec 27, 2012
- CERAMICRO TECHNOLOGY CORP.
- LINCOLN TSENG
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ELECTRONIC TIMER WITH GRAPHIC TIME SCALE DISPLAY PANEL
- Publication number 20110211425
- Publication date Sep 1, 2011
- DANIEL LIU
- G04 - HOROLOGY
Information Patent Application
Electronic timer with graphic time scale display panel
- Publication number 20090316533
- Publication date Dec 24, 2009
- Daniel Liu
- G04 - HOROLOGY
Information Patent Application
Multiple Function Thin-Film Resistor-Capacitor Array
- Publication number 20080122034
- Publication date May 29, 2008
- Daniel Liu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Digital electric leakage detecting and monitoring device
- Publication number 20080112100
- Publication date May 15, 2008
- Daniel Liu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
BI-DIRECTIONAL OPTICAL SIGNAL TRANSMITTING AND RECEIVING DEVICE
- Publication number 20080075409
- Publication date Mar 27, 2008
- Daniel Liu
- G02 - OPTICS
Information Patent Application
Electrical load status detection and control device
- Publication number 20070070558
- Publication date Mar 29, 2007
- Daniel Liu
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
Power protecting device for electrical power source and load
- Publication number 20040184208
- Publication date Sep 23, 2004
- Daniel Liu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DIGITAL CONTROLLED POWER REGULATION DEVICE
- Publication number 20040140720
- Publication date Jul 22, 2004
- Daniel Liu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Light-emitting device with light softening cover
- Publication number 20040105279
- Publication date Jun 3, 2004
- Daniel Liu
- F21 - LIGHTING
Information Patent Application
Electronic load simulation circuit with serially connected impedanc...
- Publication number 20040036496
- Publication date Feb 26, 2004
- Daniel Liu
- G01 - MEASURING TESTING
Information Patent Application
Spark elimination circuit for controlling relay contacts
- Publication number 20030235017
- Publication date Dec 25, 2003
- Daniel Liu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SAFETY CONTROL CIRCUIT FOR ELECTRIC WATER HEATER
- Publication number 20030168441
- Publication date Sep 11, 2003
- Daniel Liu
- F24 - HEATING RANGES VENTILATING
Information Patent Application
Portable energy-saving lighting device
- Publication number 20030067767
- Publication date Apr 10, 2003
- Daniel Liu
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Person

Patents Grantslast 30 patents

Power plug adapter with magnetically attachable module

Electronic tag time-sharing control system and method thereof

Electronic timer with graphic time scale display panel

Multiple function thin-film resistor-capacitor array

Electrical load status detection and control device

Bi-directional optical signal transmitting and receiving device

Digital controlled power regulation device

Spark elimination circuit for controlling relay contacts

Safety control circuit for electric water heater

Power monitoring module with display unit for electrical power sour...

Digital illumination adjusting circuit

Fastener for all-purpose power supply sockets

Circuit arrangement for simulating alternating current load

Electric adapter with display unit

Alternating current power control device

AC load simulator

Roll-camber grinding apparatus

Patents Applicationslast 30 patents

ELECTRONIC TAG TIME-SHARING CONTROL SYSTEM AND METHOD THEREOF

ELECTRONIC TIMER WITH GRAPHIC TIME SCALE DISPLAY PANEL

Electronic timer with graphic time scale display panel

Multiple Function Thin-Film Resistor-Capacitor Array

Digital electric leakage detecting and monitoring device

BI-DIRECTIONAL OPTICAL SIGNAL TRANSMITTING AND RECEIVING DEVICE

Electrical load status detection and control device

Power protecting device for electrical power source and load

DIGITAL CONTROLLED POWER REGULATION DEVICE

Light-emitting device with light softening cover

Electronic load simulation circuit with serially connected impedanc...

Spark elimination circuit for controlling relay contacts

SAFETY CONTROL CIRCUIT FOR ELECTRIC WATER HEATER

Portable energy-saving lighting device