HANS C. SOWA

Person

SCHAUMBURG, IL, US

People

Patents Grantslast 30 patents

Information Patent Grant
Device, system and method for preventing audio loss
- Patent number 10,524,260
- Issue date Dec 31, 2019
- MOTOROLA SOLUTIONS, INC.
- Yunhai Yang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for assigning a talk group to a radio within a...
- Patent number 9,402,166
- Issue date Jul 26, 2016
- Motorola Solutions, Inc.
- Hans C Sowa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and device for managing encrypted group rekeying in a radio...
- Patent number 9,332,428
- Issue date May 3, 2016
- Motorola Solutions, Inc.
- Chris A. Kruegel
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for storing and distributing encryption keys
- Patent number 8,964,987
- Issue date Feb 24, 2015
- Motorola Solutions, Inc.
- Hans Christopher Sowa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and device for rekeying in a radio network link layer encryp...
- Patent number 8,948,378
- Issue date Feb 3, 2015
- Motorola Solutions, Inc.
- Hans C. Sowa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for storing and distributing encryption keys
- Patent number 8,817,989
- Issue date Aug 26, 2014
- Motorola Solutions, Inc.
- Hans Christopher Sowa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and device for managing encrypted group rekeying in a radio...
- Patent number 8,781,132
- Issue date Jul 15, 2014
- Motorola Solutions, Inc.
- Chris A. Kruegel
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for storing and distributing encryption keys
- Patent number 7,840,009
- Issue date Nov 23, 2010
- Motorola, Inc.
- Hans Christopher Sowa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for storing and distributing encryption keys
- Patent number 7,707,419
- Issue date Apr 27, 2010
- Motorola, Inc.
- Hans Christopher Sowa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for providing authentication in a communicatio...
- Patent number 7,522,727
- Issue date Apr 21, 2009
- Motorola, Inc.
- Hans Christopher Sowa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for providing authentication in a communicatio...
- Patent number 7,424,116
- Issue date Sep 9, 2008
- Motorola, Inc.
- Hans Christopher Sowa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for storing and distributing encryption keys
- Patent number 7,266,687
- Issue date Sep 4, 2007
- Motorola, Inc.
- Hans Christopher Sowa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for providing authentication in a communicatio...
- Patent number 7,123,719
- Issue date Oct 17, 2006
- Motorola, Inc.
- Hans Christopher Sowa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for providing secure communications for a requ...
- Patent number 5,619,572
- Issue date Apr 8, 1997
- Motorola, Inc.
- Hans C. Sowa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Encryption key management
- Patent number 5,412,722
- Issue date May 2, 1995
- Motorola, Inc.
- Mark J. Sherly
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Encryption and decryption of chained messages
- Patent number 5,161,189
- Issue date Nov 3, 1992
- Motorola, Inc.
- Michelle M. Bray
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
DEVICE, SYSTEM AND METHOD FOR PREVENTING AUDIO LOSS
- Publication number 20190349924
- Publication date Nov 14, 2019
- MOTOROLA SOLUTIONS, INC
- Yunhai YANG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND APPARATUS FOR ASSIGNING A TALK GROUP TO A RADIO WITHIN A...
- Publication number 20160198313
- Publication date Jul 7, 2016
- MOTOROLA SOLUTIONS, INC.
- HANS C. SOWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND DEVICE FOR MANAGING ENCRYPTED GROUP REKEYING IN A RADIO...
- Publication number 20140198916
- Publication date Jul 17, 2014
- MOTOROLA SOLUTIONS, INC.
- CHRIS A. KRUEGEL
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND DEVICE FOR MANAGING ENCRYPTED GROUP REKEYING IN A RADIO...
- Publication number 20130243195
- Publication date Sep 19, 2013
- MOTOROLA SOLUTIONS, INC.
- CHRIS A. KRUEGEL
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND DEVICE FOR REKEYING IN A RADIO NETWORK LINK LAYER ENCRYP...
- Publication number 20130223622
- Publication date Aug 29, 2013
- MOTOROLA SOLUTIONS, INC.
- HANS C. SOWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND APPARATUS FOR STORING AND DISTRIBUTING ENCRYPTION KEYS
- Publication number 20080013734
- Publication date Jan 17, 2008
- MOTOROLA, INC.
- HANS CHRISTOPHER SOWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND APPARATUS FOR STORING AND DISTRIBUTING ENCRYPTION KEYS
- Publication number 20080013735
- Publication date Jan 17, 2008
- MOTOROLA, INC.
- Hans Christopher Sowa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND APPARATUS FOR STORING AND DISTRIBUTING ENCRYPTION KEYS
- Publication number 20080013736
- Publication date Jan 17, 2008
- MOTOROLA, INC.
- Hans Christopher Sowa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND APPARATUS FOR STORING AND DISTRIBUTING ENCRYPTION KEYS
- Publication number 20080013740
- Publication date Jan 17, 2008
- MOTOROLA, INC.
- HANS CHRISTOPHER SOWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND APPARATUS FOR STORING AND DISTRIBUTING ENCRYPTION KEYS
- Publication number 20080013737
- Publication date Jan 17, 2008
- MOTOROLA, INC.
- HANS CHRISTOPHER SOWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND APPARATUS FOR PROVIDING AUTHENTICATION IN A COMMUNICATIO...
- Publication number 20070101141
- Publication date May 3, 2007
- MOTOROLA, INC.
- HANS CHRISTOPHER SOWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND APPARATUS FOR PROVIDING AUTHENTICATION IN A COMMUNICATIO...
- Publication number 20070098171
- Publication date May 3, 2007
- MOTOROLA, INC.
- HANS CHRISTOPHER SOWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Roaming encryption key rekeying apparatus and method
- Publication number 20060233371
- Publication date Oct 19, 2006
- Hans C. Sowa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and apparatus for providing authentication in a communicatio...
- Publication number 20020154776
- Publication date Oct 24, 2002
- Hans Christopher Sowa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and apparatus for storing and distributing encryption keys
- Publication number 20020154781
- Publication date Oct 24, 2002
- Hans Christopher Sowa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

HANS C. SOWA

Person

Patents Grantslast 30 patents

Device, system and method for preventing audio loss

Method and apparatus for assigning a talk group to a radio within a...

Method and device for managing encrypted group rekeying in a radio...

Method and apparatus for storing and distributing encryption keys

Method and device for rekeying in a radio network link layer encryp...

Method and apparatus for storing and distributing encryption keys

Method and device for managing encrypted group rekeying in a radio...

Method and apparatus for storing and distributing encryption keys

Method and apparatus for storing and distributing encryption keys

Method and apparatus for providing authentication in a communicatio...

Method and apparatus for providing authentication in a communicatio...

Method and apparatus for storing and distributing encryption keys

Method and apparatus for providing authentication in a communicatio...

Method and apparatus for providing secure communications for a requ...

Encryption key management

Encryption and decryption of chained messages

Patents Applicationslast 30 patents

DEVICE, SYSTEM AND METHOD FOR PREVENTING AUDIO LOSS

METHOD AND APPARATUS FOR ASSIGNING A TALK GROUP TO A RADIO WITHIN A...

METHOD AND DEVICE FOR MANAGING ENCRYPTED GROUP REKEYING IN A RADIO...

METHOD AND DEVICE FOR MANAGING ENCRYPTED GROUP REKEYING IN A RADIO...

METHOD AND DEVICE FOR REKEYING IN A RADIO NETWORK LINK LAYER ENCRYP...

METHOD AND APPARATUS FOR STORING AND DISTRIBUTING ENCRYPTION KEYS

METHOD AND APPARATUS FOR STORING AND DISTRIBUTING ENCRYPTION KEYS

METHOD AND APPARATUS FOR STORING AND DISTRIBUTING ENCRYPTION KEYS

METHOD AND APPARATUS FOR STORING AND DISTRIBUTING ENCRYPTION KEYS

METHOD AND APPARATUS FOR STORING AND DISTRIBUTING ENCRYPTION KEYS

METHOD AND APPARATUS FOR PROVIDING AUTHENTICATION IN A COMMUNICATIO...

METHOD AND APPARATUS FOR PROVIDING AUTHENTICATION IN A COMMUNICATIO...

Roaming encryption key rekeying apparatus and method

Method and apparatus for providing authentication in a communicatio...

Method and apparatus for storing and distributing encryption keys