Dah-Weih Duan

Person

Torrance, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
RF modules with an enclosure having a micromachined interior using...
- Patent number 12,126,098
- Issue date Oct 22, 2024
- Northrop Grumman Systems Corporation
- Dah-Weih Duan
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Microelectronics H-frame device
- Patent number 12,122,666
- Issue date Oct 22, 2024
- Northrop Grumman Systems Corporation
- Dah-Weih Duan
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Grant
Channelized filter using semiconductor fabrication
- Patent number 12,119,313
- Issue date Oct 15, 2024
- Northrop Grumman Systems Corporation
- Dah-Weih Duan
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Radio frequency crossover with high isolation in microelectronics H...
- Patent number 12,022,608
- Issue date Jun 25, 2024
- Northrop Grumman Systems Corporation
- Dah-Weih Duan
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Channelized filter using semiconductor fabrication
- Patent number 11,837,561
- Issue date Dec 5, 2023
- Northrop Grumman Systems Corporation
- Dah-Weih Duan
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
RF circuit and enclosure having a micromachined interior using semi...
- Patent number 11,706,851
- Issue date Jul 18, 2023
- Northrop Grumann Systems Corporation
- Elizabeth T Kunkee
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Channelized filter using semiconductor fabrication
- Patent number 11,658,136
- Issue date May 23, 2023
- Northrop Grumman Systems Corporation
- Dah-Weih Duan
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Filter with an enclosure having a micromachined interior using semi...
- Patent number 11,470,695
- Issue date Oct 11, 2022
- Northrop Grumman Systems Corporation
- Elizabeth T Kunkee
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Channelized filter using semiconductor fabrication
- Patent number 11,373,965
- Issue date Jun 28, 2022
- Northrop Grumman Systems Corporation
- Dah-Weih Duan
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Silicon transformer balun
- Patent number 9,843,301
- Issue date Dec 12, 2017
- Northrop Grumman Systems Corporation
- Paul L. Rodgers
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Crystalline tile
- Patent number 9,761,547
- Issue date Sep 12, 2017
- Northrop Grumman Systems Corporation
- Elizabeth T. Kunkee
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Compact wide band, flared horn antenna with launchers for generatin...
- Patent number 9,431,715
- Issue date Aug 30, 2016
- Northrop Grumman Systems Corporation
- Arun K. Bhattacharyya
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High-performance mobile power antennas
- Patent number 8,049,625
- Issue date Nov 1, 2011
- Intermac Technologies Corporation
- Dah-Weih Duan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Multi-technology information capture system and method
- Patent number 7,711,159
- Issue date May 4, 2010
- Intermec IP Corp.
- Arvin D. Danielson
- G07 - CHECKING-DEVICES
Information Patent Grant
High-performance mobile power antennas
- Patent number 7,511,621
- Issue date Mar 31, 2009
- Intermec IP Corp.
- Dah-Weih Duan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Streaming while fetching broadband video objects using heterogeneou...
- Patent number 7,324,555
- Issue date Jan 29, 2008
- Infovalue Computing, Inc.
- Monsong Chen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Broadband video distribution system using segments
- Patent number 7,246,369
- Issue date Jul 17, 2007
- Info Valve Computing, Inc.
- Dah-Weih Duan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Video distribution system using dynamic segmenting of video data files
- Patent number 7,143,433
- Issue date Nov 28, 2006
- InfoValve Computing Inc.
- Dah-Weih Duan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Video distribution system using dynamic disk load balancing with va...
- Patent number 7,039,784
- Issue date May 2, 2006
- Info Value Computing Inc.
- Monsong Chen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Combination radio frequency identification transponder (RFID tag) a...
- Patent number 7,002,475
- Issue date Feb 21, 2006
- Intermec IP Corp.
- Michael John Brady
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Video distribution system using disk load balancing by file copying
- Patent number 6,925,499
- Issue date Aug 2, 2005
- Info Value Computing, Inc.
- Monsong Chen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Adjustable length antenna system for RF transponders
- Patent number 6,535,175
- Issue date Mar 18, 2003
- Intermec IP Corp.
- Michael John Brady
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Radio frequency identification transponder having a reflector
- Patent number 6,441,740
- Issue date Aug 27, 2002
- Intermec IP Corp.
- Michael John Brady
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
High-performance mobile power antennas
- Patent number 6,400,274
- Issue date Jun 4, 2002
- Intermec IP Corp
- Dah-Weih Duan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
RF Tag having high dielectric constant material
- Patent number 6,329,915
- Issue date Dec 11, 2001
- Intermec IP Corp
- Michael J. Brady
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Radio frequency identification transponder having a high gain anten...
- Patent number 6,320,509
- Issue date Nov 20, 2001
- Intermec IP Corp.
- Michael John Brady
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Radio frequency tag with miniaturized resonant antenna
- Patent number 6,285,342
- Issue date Sep 4, 2001
- Intermec IP Corp.
- Michael John Brady
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Radio frequency transponder with improved read distance
- Patent number 6,281,794
- Issue date Aug 28, 2001
- Intermec IP Corp.
- Dah-Weih Duan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
RFID transponders with paste antennas and flip-chip attachment
- Patent number 6,259,408
- Issue date Jul 10, 2001
- Intermec IP Corp.
- Michael John Brady
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
RFID integrated in electronic assets
- Patent number 6,249,227
- Issue date Jun 19, 2001
- Intermec IP Corp.
- Michael John Brady
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
RF MODULES WITH AN ENCLOSURE HAVING A MICROMACHINED INTERIOR USING...
- Publication number 20240106123
- Publication date Mar 28, 2024
- Northrop Grumman Systems Corporation
- Dah-Weih Duan
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
CHANNELIZED FILTER USING SEMICONDUCTOR FABRICATION
- Publication number 20240047388
- Publication date Feb 8, 2024
- Northrop Grumman Systems Corporation
- Dah-Weih Duan
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CHANNELIZED FILTER USING SEMICONDUCTOR FABRICATION
- Publication number 20230230942
- Publication date Jul 20, 2023
- Northrop Grumman Systems Corporation
- Dah-Weih Duan
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
RF CIRCUIT AND ENCLOSURE HAVING A MICROMACHINED INTERIOR USING SEMI...
- Publication number 20220408526
- Publication date Dec 22, 2022
- Northrop Grumman Systems Corporation
- Elizabeth T. Kunkee
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MICROELECTRONICS H-FRAME DEVICE
- Publication number 20220289559
- Publication date Sep 15, 2022
- Northrop Grumman Systems Corporation
- Dah-Weih Duan
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Application
RADIO FREQUENCY CROSSOVER WITH HIGH ISOLATION IN MICROELECTRONICS H...
- Publication number 20220295629
- Publication date Sep 15, 2022
- Northrop Grumman Systems Corporation
- DAH-WEIH DUAN
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CHANNELIZED FILTER USING SEMICONDUCTOR FABRICATION
- Publication number 20220278059
- Publication date Sep 1, 2022
- Northrop Grumman Systems Corporation
- Dah-Weih Duan
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CHANNELIZED FILTER USING SEMICONDUCTOR FABRICATION
- Publication number 20220020708
- Publication date Jan 20, 2022
- Northrop Grumman Systems Corporation
- Dah-Weih Duan
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
FILTER WITH AN ENCLOSURE HAVING A MICROMACHINED INTERIOR USING SEMI...
- Publication number 20210337638
- Publication date Oct 28, 2021
- Northrop Grumman Systems Corporation
- Elizabeth T. Kunkee
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Combination radio frequency identification transponder (RFID tag) a...
- Publication number 20050001725
- Publication date Jan 6, 2005
- Michael John Brady
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Adjustable length antenna system for RF transponders
- Publication number 20020003496
- Publication date Jan 10, 2002
- Michael John Brady
- G06 - COMPUTING CALCULATING COUNTING

Dah-Weih Duan

Person

Patents Grantslast 30 patents

RF modules with an enclosure having a micromachined interior using...

Microelectronics H-frame device

Channelized filter using semiconductor fabrication

Radio frequency crossover with high isolation in microelectronics H...

Channelized filter using semiconductor fabrication

RF circuit and enclosure having a micromachined interior using semi...

Channelized filter using semiconductor fabrication

Filter with an enclosure having a micromachined interior using semi...

Channelized filter using semiconductor fabrication

Silicon transformer balun

Crystalline tile

Compact wide band, flared horn antenna with launchers for generatin...

High-performance mobile power antennas

Multi-technology information capture system and method

High-performance mobile power antennas

Streaming while fetching broadband video objects using heterogeneou...

Broadband video distribution system using segments

Video distribution system using dynamic segmenting of video data files

Video distribution system using dynamic disk load balancing with va...

Combination radio frequency identification transponder (RFID tag) a...

Video distribution system using disk load balancing by file copying

Adjustable length antenna system for RF transponders

Radio frequency identification transponder having a reflector

High-performance mobile power antennas

RF Tag having high dielectric constant material

Radio frequency identification transponder having a high gain anten...

Radio frequency tag with miniaturized resonant antenna

Radio frequency transponder with improved read distance

RFID transponders with paste antennas and flip-chip attachment

RFID integrated in electronic assets

Patents Applicationslast 30 patents

RF MODULES WITH AN ENCLOSURE HAVING A MICROMACHINED INTERIOR USING...

CHANNELIZED FILTER USING SEMICONDUCTOR FABRICATION

CHANNELIZED FILTER USING SEMICONDUCTOR FABRICATION

RF CIRCUIT AND ENCLOSURE HAVING A MICROMACHINED INTERIOR USING SEMI...

MICROELECTRONICS H-FRAME DEVICE

RADIO FREQUENCY CROSSOVER WITH HIGH ISOLATION IN MICROELECTRONICS H...

CHANNELIZED FILTER USING SEMICONDUCTOR FABRICATION

CHANNELIZED FILTER USING SEMICONDUCTOR FABRICATION

FILTER WITH AN ENCLOSURE HAVING A MICROMACHINED INTERIOR USING SEMI...

Combination radio frequency identification transponder (RFID tag) a...

Adjustable length antenna system for RF transponders