Inventor
Robert John Rance
Inventor
Andover, MA, US
Overview
Patents· 15 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Lprimary
H04LTransmission of digital information, e.g. telegraphic communication61%
H04WWireless communication networks22%
G06FElectric digital data processing4%
H03KPulse technique4%
H04KSecret communication4%
Y02DClimate change mitigation technologies in information and communication technologies [ict], i.e. information and communication technologies aiming at the reduction of their own energy use4%
PatentTitleYear
9,628,481'Method of providing fresh keys for message authentication'20179,225,518'Method of providing fresh keys for message authentication'20157,752,441'Method of cryptographic synchronization'20107,602,918'Method for distributing security keys during hand-off in a wireless communication system'20097,596,225'Method for refreshing a pairwise master key'20096,876,744'Methods and apparatus for enhanced CMEA including a CMEA iteration preceded and followed by transformations and employing an involuntary lookup'20056,577,734'Data encryption key management system'20036,418,224'Methods and apparatus for self-inverting multiple-iteration CMEA crypto-processing for improved security for wireless telephone messages'20026,377,687'Methods and apparatus for enhanced CMEA employing enhanced transformations'20026,266,411'Method and apparatus for multiple-iteration CMEA encryption and decryption for improved security for wireless telephone messages'20016,266,412'Encrypting speech coder'20016,233,337'Methods and apparatus for enhanced security expansion of a secret key into a lookup table for improved security for wireless telephone messages'20016,028,933'Encrypting method and apparatus enabling multiple access for multiple services and multiple transmission modes over a broadband communication network'20006,005,943'Electronic identifiers for network terminal devices'19994,545,024'Hybrid natural random number generator'1985Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1985Patents assigned to AT & T BELL LAB (1)· patent assignee history
1985Based in Bradford, MA, US· patent location history
1999–2005Patents assigned to LUCENT TECHNOLOGIES INC (9)· patent assignee history
1999–2017Based in Andover, MA, US· patent location history
2009–2017Patents assigned to ALCATEL LUCENT USA INC (3)· patent assignee history
2009Patents assigned to ALCATL LUCENT USA INC (1)· patent assignee history
2015–2017Patents assigned to ALCATEL LUCENT (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| LUCENT TECHNOLOGIES INC | 9 | 1999–2005 |
| ALCATEL LUCENT USA INC | 3 | 2009–2017 |
| ALCATEL LUCENT | 2 | 2015–2017 |
| ALCATL LUCENT USA INC | 1 | 2009 |
| AT & T BELL LAB | 1 | 1985 |
Locations
| Location | Patents | Span |
|---|---|---|
| Andover, Massachusetts, US | 14 | 1999–2017 |
| Bradford, Massachusetts, US | 1 | 1985 |