Inventor

Derek Gerlach

Inventor
Mountain View, CA, US

Overview

19→
Patents
1995–2007
Patent span
Electricity
Primary field (CPC H)

Patents· 19 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 communication32%
H04BTransmission22%
H04WWireless communication networks19%
H03MCoding11%
H01QAntennas, i.e. radio aerials5%
G02BOptical elements, systems or apparatus3%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein3%
H03GControl of amplification3%
H04JMultiplex communication3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995Based in Los Altos Hills, CA, US· patent location history
1997Based in Columbus, OH, US· patent location history
2002–2005Patents assigned to CISCO TECH IND (8)· patent assignee history
2002–2003Patents assigned to AT & T WIRELESS SERVICES INC (2)· patent assignee history
2002–2007Based in Mountain View, CA, US· patent location history
2003Patents assigned to CISCO TECHNOLOGY (1)· patent assignee history
2005Based in Palo Alto, CA, US· patent location history
2006–2007Patents assigned to CISCO TECH INC (3)· patent assignee history
2006Patents assigned to CINGULAR WIRELESS II LLC (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CISCO TECH IND82002–2005
CISCO TECH INC32006–2007
AT & T WIRELESS SERVICES INC22002–2003
CINGULAR WIRELESS II LLC22006
CISCO TECHNOLOGY12003
Locations
LocationPatentsSpan
Mountain View, California, US162002–2007
Palo Alto, California, US12005
Columbus, OH, US11997
Los Altos Hills, California, US11995