Hungkun J. Chang

Person

Schaumburg, IL, US

People

Patents Grantslast 30 patents

Information Patent Grant
Dynamo system having a freely moving flywheel in circular track
- Patent number 7,511,400
- Issue date Mar 31, 2009
- Hungkun James Chang
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Crime scene fence post
- Patent number 6,935,059
- Issue date Aug 30, 2005
- Hungkun James Chang
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Power management technique for determining a device mode of operation
- Patent number 5,625,882
- Issue date Apr 29, 1997
- Motorola, Inc.
- Frederick W. Vook
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Power management and packet delivery method for use in a wireless l...
- Patent number 5,560,021
- Issue date Sep 24, 1996
- Frederick W. Vook
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Synchronization method and apparatus for a wireless packet network
- Patent number 5,517,505
- Issue date May 14, 1996
- Motorola, Inc.
- Dale R. Buchholz
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Addressing technique for storing and referencing packet data
- Patent number 5,477,541
- Issue date Dec 19, 1995
- Richard E. White
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Linking microprocessor interrupts arranged by processing requiremen...
- Patent number 5,325,536
- Issue date Jun 28, 1994
- Motorola, Inc.
- Hungkun J. Chang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Broadcasting of packets in an RF system
- Patent number 5,321,696
- Issue date Jun 14, 1994
- Motorola, Inc.
- Dale R. Buchholz
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Antenna pattern selection for optimized communications and avoidanc...
- Patent number 5,138,327
- Issue date Aug 11, 1992
- Motorola, Inc.
- Hungkun J. Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Antenna pattern selection for optimized communications
- Patent number 5,117,236
- Issue date May 26, 1992
- Motorola, Inc.
- Hungkun J. Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Dynamo system
- Publication number 20070252463
- Publication date Nov 1, 2007
- Hungkun James Chang
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Hungkun J. Chang

Person

Patents Grantslast 30 patents

Dynamo system having a freely moving flywheel in circular track

Crime scene fence post

Power management technique for determining a device mode of operation

Power management and packet delivery method for use in a wireless l...

Synchronization method and apparatus for a wireless packet network

Addressing technique for storing and referencing packet data

Linking microprocessor interrupts arranged by processing requiremen...

Broadcasting of packets in an RF system

Antenna pattern selection for optimized communications and avoidanc...

Antenna pattern selection for optimized communications

Patents Applicationslast 30 patents

Dynamo system