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Patents Grants
last 30 patents
Information
Patent Grant
Filter-based lock-in circuits for PLL and fast system startup
Patent number
7,515,003
Issue date
Apr 7, 2009
Ana Semiconductor
Sangbeom Park
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Pin number reduction circuit and methodology for mixed-signal IC, m...
Patent number
7,436,246
Issue date
Oct 14, 2008
Ana Semiconductor
Sangbeom Park
G11 - INFORMATION STORAGE
Information
Patent Grant
Smart start-up circuit for switching regulators
Patent number
7,304,460
Issue date
Dec 4, 2007
Ana Semiconductor
Sangbeom Park
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Smart charge-pump circuit for phase-locked loops
Patent number
7,271,645
Issue date
Sep 18, 2007
Ana Semiconductor
Sangbeom Park
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Variable lock-in circuit for phase-locked loops
Patent number
7,248,121
Issue date
Jul 24, 2007
Ana Semiconductor
Sangbeom Park
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Adjustable lock-in circuit for phase-locked loops
Patent number
7,242,254
Issue date
Jul 10, 2007
Ana Semiconductor
Sangbeom Park
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Smart lock-in circuit for phase-locked loops
Patent number
7,224,233
Issue date
May 29, 2007
Ana Semiconductor
Sangbeom Park
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Controllable idle time current mirror circuit for switching regulat...
Patent number
7,215,209
Issue date
May 8, 2007
Ana Semiconductor
Sangbeom Park
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
High-performance charge-pump circuit for phase-locked loops
Patent number
7,190,231
Issue date
Mar 13, 2007
Ana Semiconductor
Sangbeom Park
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Z-state circuit for phase-locked loops
Patent number
7,148,730
Issue date
Dec 12, 2006
Ana Semiconductor
Sangbeom Park
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Zero idle time Z-state circuit for phase-locked loops, delay-locked...
Patent number
7,132,869
Issue date
Nov 7, 2006
Ana Semiconductor
Sangbeom Park
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Variable start-up circuit for switching regulators
Patent number
7,129,684
Issue date
Oct 31, 2006
Ana Semiconductor
Sangbeom Park
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Z-state circuit for switching regulators
Patent number
7,057,377
Issue date
Jun 6, 2006
Ana Semiconductor
Sangbeom Park
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
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last 30 trademarks