Ching-Shih Ma

Person

Taoyuan City, TW

People

Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing a LED
- Patent number 8,592,234
- Issue date Nov 26, 2013
- Opto Tech Corporation
- Chang-Da Tsai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Chip-bonding light emitting diode chip
- Patent number 8,283,683
- Issue date Oct 9, 2012
- Opto Tech Corporation
- Chang-Da Tsai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Circuit for generating tracking error signal
- Patent number 8,254,221
- Issue date Aug 28, 2012
- Sunplus Technology Co., Ltd.
- Ching-Wen Ma
- G11 - INFORMATION STORAGE
Information Patent Grant
Circuit for generating tracking error signal
- Patent number 8,134,895
- Issue date Mar 13, 2012
- Sunplus Technology Co., Ltd.
- Ching-Wen Ma
- G11 - INFORMATION STORAGE
Information Patent Grant
Automatic gain control loop with hysteresis switching
- Patent number 8,112,052
- Issue date Feb 7, 2012
- Sunplus Technology Co., Ltd.
- Ching-Wen Ma
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Control system for an optical storage device
- Patent number 8,055,981
- Issue date Nov 8, 2011
- Sunplus Technology Co., Ltd.
- Ching-Wen Ma
- G11 - INFORMATION STORAGE
Information Patent Grant
Error correction code decoder
- Patent number 7,805,662
- Issue date Sep 28, 2010
- Sunplus Technology Co., Ltd.
- Ching-Wen Ma
- G11 - INFORMATION STORAGE
Information Patent Grant
Timing recovery circuit
- Patent number 7,187,739
- Issue date Mar 6, 2007
- VIA Technologies, Inc.
- Ching-Wen Ma
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Light-emitting diode with enhanced light-emitting efficiency
- Patent number 6,797,988
- Issue date Sep 28, 2004
- Opto Tech Corporation
- Ming-Der Lin
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
LIGHT-EMITTING DIODE STRUCTURE
- Publication number 20240194825
- Publication date Jun 13, 2024
- Taiwan-Asia Semiconductor Corporation
- Kun-Te LIN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL RECOGNITION SYSTEM FOR USE IN COMPUTER VISUAL PROCESSING
- Publication number 20210297608
- Publication date Sep 23, 2021
- Weltrend Semiconductor Inc.
- Ching-Hsuan Ma
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
LIGHT EMITTING DIODE AND MANUFACTURING METHOD OF THE SAME
- Publication number 20120322180
- Publication date Dec 20, 2012
- OPTO TECH CORPORATION
- Chang-Da Tsai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Automatic gain control loop with hysteresis switching
- Publication number 20110018630
- Publication date Jan 27, 2011
- Sunplus Technology Co., Ltd.
- Ching-Wen Ma
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
LIGHT EMITTING DIODE CHIP
- Publication number 20100072497
- Publication date Mar 25, 2010
- OPTO TECH CORPORATION
- Chang-Da Tsai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CIRCUIT FOR GENERATING TRACKING ERROR SIGNAL
- Publication number 20080310273
- Publication date Dec 18, 2008
- Sunplus Technology Co. Ltd.
- Ching-Wen MA
- G11 - INFORMATION STORAGE
Information Patent Application
Control system for an optical storage device
- Publication number 20080115018
- Publication date May 15, 2008
- Sunplus Technology Co., Ltd.
- Ching-Wen Ma
- G11 - INFORMATION STORAGE
Information Patent Application
LIGHT EMITTING DIODE AND MANUFACTURING METHOD OF THE SAME
- Publication number 20070290221
- Publication date Dec 20, 2007
- OPTO TECH CORPORATION
- Chang-Da Tsai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Error correction code decoder
- Publication number 20070204207
- Publication date Aug 30, 2007
- Sunplus Technology Co., Ltd.
- Ching-Wen Ma
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Timing recovery apparatus and method with frequency protection
- Publication number 20070009074
- Publication date Jan 11, 2007
- Ching-Wen Ma
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Light-emitting diode with enhanced light-emitting efficiency
- Publication number 20030222269
- Publication date Dec 4, 2003
- Ming-Der Lin
- H01 - BASIC ELECTRIC ELEMENTS

Ching-Shih Ma

Person

Patents Grantslast 30 patents

Method for manufacturing a LED

Chip-bonding light emitting diode chip

Circuit for generating tracking error signal

Circuit for generating tracking error signal

Automatic gain control loop with hysteresis switching

Control system for an optical storage device

Error correction code decoder

Timing recovery circuit

Light-emitting diode with enhanced light-emitting efficiency

Patents Applicationslast 30 patents

LIGHT-EMITTING DIODE STRUCTURE

OPTICAL RECOGNITION SYSTEM FOR USE IN COMPUTER VISUAL PROCESSING

LIGHT EMITTING DIODE AND MANUFACTURING METHOD OF THE SAME

Automatic gain control loop with hysteresis switching

LIGHT EMITTING DIODE CHIP

CIRCUIT FOR GENERATING TRACKING ERROR SIGNAL

Control system for an optical storage device

LIGHT EMITTING DIODE AND MANUFACTURING METHOD OF THE SAME

Error correction code decoder

Timing recovery apparatus and method with frequency protection

Light-emitting diode with enhanced light-emitting efficiency