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Ronald Chang
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Fremont, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Alternating-bias signal resistance detection for resistive temperat...
Patent number
12,140,485
Issue date
Nov 12, 2024
Western Digital Technologies, Inc.
John T. Contreras
G11 - INFORMATION STORAGE
Information
Patent Grant
Continuous dual path resistance detection for resistive temperature...
Patent number
11,961,542
Issue date
Apr 16, 2024
Western Digital Technologies, Inc.
John Contreras
G11 - INFORMATION STORAGE
Information
Patent Grant
Alternating-bias signal resistance detection for resistive temperat...
Patent number
11,874,182
Issue date
Jan 16, 2024
Western Digital Technologies, Inc.
John Contreras
G11 - INFORMATION STORAGE
Information
Patent Grant
Methods and circuits for LED drivers and for PWM dimming controls
Patent number
8,390,262
Issue date
Mar 5, 2013
LePower Semiconductor Inc.
Ronald Chang
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Ultra wideband and fast hopping frequency synthesizer for MB-OFDM w...
Patent number
7,589,597
Issue date
Sep 15, 2009
VIA Technologies, Inc.
Ronald Chang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Ultra wideband and fast hopping frequency synthesizer for MB-OFDM w...
Patent number
7,321,268
Issue date
Jan 22, 2008
VIA Technologies
Ronald Chang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Programmable power consumption pipeline analog-to-digital converter...
Patent number
6,340,944
Issue date
Jan 22, 2002
Exar Corporation
Ronald Chang
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Track and hold circuit with an input transistor held on during hold...
Patent number
5,457,418
Issue date
Oct 10, 1995
National Semiconductor Corporation
Ronald Chang
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
ALTERNATING-BIAS SIGNAL RESISTANCE DETECTION FOR RESISTIVE TEMPERAT...
Publication number
20240175765
Publication date
May 30, 2024
Western Digital Technologies, Inc.
John T. Contreras
G11 - INFORMATION STORAGE
Information
Patent Application
ALTERNATING-BIAS SIGNAL RESISTANCE DETECTION FOR RESISTIVE TEMPERAT...
Publication number
20240003750
Publication date
Jan 4, 2024
Western Digital Technologies, Inc.
John Contreras
G11 - INFORMATION STORAGE
Information
Patent Application
CONTINUOUS DUAL PATH RESISTANCE DETECTION FOR RESISTIVE TEMPERATURE...
Publication number
20240005957
Publication date
Jan 4, 2024
Western Digital Technologies, Inc.
John Contreras
G11 - INFORMATION STORAGE
Information
Patent Application
Methods and Circuits for LED Drivers and for PWM Dimming Controls
Publication number
20100289424
Publication date
Nov 18, 2010
LEPOWER SEMICONDUCTOR INC.
Ronald Chang
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
Ultra Wideband And Fast Hopping Frequency Synthesizer For MB-OFDM W...
Publication number
20080024231
Publication date
Jan 31, 2008
Ronald Chang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Ultra wideband and fast hopping frequency synthesizer for MB-OFDM w...
Publication number
20070105518
Publication date
May 10, 2007
Ronald Chang
H04 - ELECTRIC COMMUNICATION TECHNIQUE