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Inventor

James Friedmann

Inventor
Canton, OH, US

Overview

9→
Patents
1996–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 9 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H04Bprimary
H04BTransmission47%
H04WWireless communication networks33%
H04LTransmission of digital information, e.g. telegraphic communication13%
H05KPrinted circuits7%
PatentTitleYear
10,708,977Dual mode wireless access point202010,439,655Transceiver filters20198,971,443'Dynamically adjusting number of transmit antennas for MIMO systems to use greater transmit power'20157,529,218'High density WLAN system'20097,184,722'Maintaining constant power over a wide range of temperatures employing a power amplifier with adjustable current drain'20076,661,999'System for increasing RF power as a constant over a temperature range and employing reduced transmitter current drain during low power output periods'20036,223,053'Universal radio for use in various cellular communication systems'20015,822,362'Sinusoidal phase modulation method and system'19985,550,713'Electromagnetic shielding assembly for printed circuit board'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996–1998Patents assigned to AIRONET WIRELESS COMMUNICATION (2)· patent assignee history
1996–2015Based in Canton, OH, US· patent location history
2001Patents assigned to CISCO SYSTEMS INC (1)· patent assignee history
2003Patents assigned to CISCO TECH IND (1)· patent assignee history
2007–2015Patents assigned to CISCO TECH INC (3)· patent assignee history
2019–2020Patents assigned to HEWLETT PACKARD ENTPR DEV LP (2)· patent assignee history
2019–2020Based in Santa Clara, FL, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CISCO TECH INC32007–2015
AIRONET WIRELESS COMMUNICATION21996–1998
HEWLETT PACKARD ENTPR DEV LP22019–2020
CISCO SYSTEMS INC12001
CISCO TECH IND12003
Locations
LocationPatentsSpan
Canton, OH, US71996–2015
Santa Clara, Florida, US22019–2020