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I-chang Bart WU
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Fremont, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Temperature compensated voltage-controlled oscillator
Patent number
11,949,376
Issue date
Apr 2, 2024
Realtek Semiconductor Corp.
I-Chang Wu
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Vapor as a protectant and lifetime extender in optical systems
Patent number
11,624,904
Issue date
Apr 11, 2023
KLA Corporation
David Jalil Zare
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
LC tank circuit having improved resonant frequency stability and fa...
Patent number
11,152,150
Issue date
Oct 19, 2021
Realtek Semiconductor Corp.
Fei Song
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
High-Q integrated inductor and method thereof
Patent number
11,004,589
Issue date
May 11, 2021
Realtek Semiconductor Corp.
Chia-Liang (Leon) Lin
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Wideband adaptive bias circuits for power amplifiers
Patent number
10,079,574
Issue date
Sep 18, 2018
Mediatek Inc.
Hsing-ting Yu
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Methods and systems for analog-to-digital conversion (ADC) using an...
Patent number
9,553,602
Issue date
Jan 24, 2017
Integrated Device Technology, Inc.
I-chang Wu
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Signal duty cycle detector and calibration system
Patent number
8,933,738
Issue date
Jan 13, 2015
MediaTek Singapore Pte Ltd.
I-Chang Wu
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Method using digital phase-locked loop circuit including a phase de...
Patent number
8,373,467
Issue date
Feb 12, 2013
Mediatek Inc.
I-chang Wu
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Digital phase-locked loop circuit including a phase delay quantizer...
Patent number
8,102,195
Issue date
Jan 24, 2012
Mediatek Inc.
I-chang Wu
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Fast-response phase-locked loop charge-pump driven by low voltage i...
Patent number
8,022,740
Issue date
Sep 20, 2011
Ralink Technology Corporation
I-chang Wu
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Method and system of optimizing a control system using low voltage...
Patent number
7,944,257
Issue date
May 17, 2011
Ralink Technology (Singapore) Corporation
I-chang (Bart) Wu
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Fast response phase-locked loop charge-pump driven by low voltage i...
Patent number
7,705,641
Issue date
Apr 27, 2010
Ralink Technology Corporation
I-chang Wu
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Method and apparatus for a crystal oscillator to achieve fast start...
Patent number
7,348,861
Issue date
Mar 25, 2008
Ralink Technology, Inc.
I-chang Wu
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Mechanically grounded tunable laser
Patent number
6,614,829
Issue date
Sep 2, 2003
New Focus, Inc.
Alexander V. Tuganov
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Continuously grating-tuned external cavity laser with automatic sup...
Patent number
6,606,340
Issue date
Aug 12, 2003
New Focus, Inc.
Guangzhi Z. Zhang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Passive thermal stabilization of the optical path length in a tunab...
Patent number
6,493,365
Issue date
Dec 10, 2002
New Focus, Inc.
I-Fan Wu
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
TEMPERATURE COMPENSATED VOLTAGE-CONTROLLED OSCILLATOR
Publication number
20230147693
Publication date
May 11, 2023
Realtek Semiconductor Corp.
I-Chang Wu
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
VAPOR AS A PROTECTANT AND LIFETIME EXTENDER IN OPTICAL SYSTEMS
Publication number
20210041689
Publication date
Feb 11, 2021
KLA Corporation
David Jalil Zare
G02 - OPTICS
Information
Patent Application
LC Tank Circuit and Fabrication Method Thereof
Publication number
20190348217
Publication date
Nov 14, 2019
Realtek Semiconductor Corp.
Fei Song
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
High-Q Integrated Inductor and Method Thereof
Publication number
20190333672
Publication date
Oct 31, 2019
Realtek Semiconductor Corp.
Chia-Liang (Leon) Lin
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
WIDEBAND ADAPTIVE BIAS CIRCUITS FOR POWER AMPLIFIERS
Publication number
20170230006
Publication date
Aug 10, 2017
MEDIATEK INC.
Hsing-ting Yu
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
SIGNAL DUTY CYCLE DETECTOR AND CALIBRATION SYSTEM
Publication number
20130229216
Publication date
Sep 5, 2013
MEDIATEK SINGAPORE PTE. LTD.
I-Chang WU
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
METHOD USING DIGITAL PHASE-LOCKED LOOP CIRCUIT INCLUDING A PHASE DE...
Publication number
20120081159
Publication date
Apr 5, 2012
MEDIATEK INC.
I-chang WU
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
METHOD AND SYSTEM OF OPTIMIZING A CONTROL SYSTEM USING LOW VOLTAGE...
Publication number
20100289539
Publication date
Nov 18, 2010
RALINK TECHNOLOGY (SINGAPORE) CORPORATION
I-chang Bart WU
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
DIGITAL PHASE-LOCKED LOOP CIRCUIT INCLUDING A PHASE DELAY QUANTIZER...
Publication number
20100289541
Publication date
Nov 18, 2010
RALINK TECHNOLOGY (SINGAPORE) CORPORATION
I-chang WU
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
FAST-RESPONSE PHASE-LOCKED LOOP CHARGE-PUMP DRIVEN BY LOW VOLTAGE I...
Publication number
20100156484
Publication date
Jun 24, 2010
RALINK TECHNOLOGY CORPORATION
I-Chang WU
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
LEVEL SHIFTER WITH REDUCED LEAKAGE
Publication number
20100060338
Publication date
Mar 11, 2010
RALINK TECHNOLOGY CORPORATION
Keng Leong FONG
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
FAST RESPONSE PHASE-LOCKED LOOP CHARGE-PUMP DRIVEN BY LOW VOLTAGE I...
Publication number
20090267662
Publication date
Oct 29, 2009
RALINK TECHNOLOGY CORPORATION
I-Chang WU
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Continuously grating-tuned external cavity laser with automatic sup...
Publication number
20010050930
Publication date
Dec 13, 2001
Guangzhi Z. Zhang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Continuously grating-tuned external cavity laser with automatic sup...
Publication number
20010043637
Publication date
Nov 22, 2001
Guangzhi Z. Zhang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Continuously grating-tuned external cavity laser with automatic sup...
Publication number
20010040910
Publication date
Nov 15, 2001
Guangzhi Z. Zhang
H01 - BASIC ELECTRIC ELEMENTS