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Inventor

Rouben Toumani

Inventor
San Jose, CA, US

Overview

15→
Patents
1977–2011
Patent span
Electricity
Primary field (CPC H)

Patents· 15 as inventor

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

H04Mprimary
H04MTelephonic communication45%
H04LTransmission of digital information, e.g. telegraphic communication30%
G01RMeasuring electric variables5%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems5%
H03GControl of amplification5%
H03MCoding5%
H04BTransmission5%
PatentTitleYear
7,881,362'Method and apparatus for differentiated communication channel robustness in a multi-tone transceiver'20117,443,977'Method and apparatus for a high efficiency line driver'20087,443,918'Method and apparatus for extending the frequency range of multi-tone modems'20087,359,444'Method and apparatus for extending the frequency range of multi-tone modems'20087,092,412'Method and apparatus for long haul high speed data transmission over XDSL pseudo channels'20066,987,851'Method and apparatus for a high efficiency line driver'20065,920,609'Metallic access test extension system architecture'19995,790,062'Delta modulator with pseudo constant modulation level'19985,764,727'Metallic access test extender'19984,631,362'Low resistance origination scan circuit'19864,612,417'Electronic battery feed circuit for telephone systems'19864,447,675'Ring-trip detector'19844,395,675'Transformerless noninverting buck boost switching regulator'19834,028,628'Transceivers for single channel carrier telephone systems'19774,015,091'Telephone ringing generators'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1984Patents assigned to BELL TELEPHONE LABOR INC (4)· patent assignee history
1977Based in Teheran, IR· patent location history
1983–1986Based in Randolph, NJ, US· patent location history
1986Patents assigned to AT & T BELL LAB (2)· patent assignee history
1998–1999Patents assigned to WILTRON CO (3)· patent assignee history
1998–1999Based in Morgan Hill, CA, US· patent location history
2006–2011Patents assigned to IKANOS COMMUNICATIONS INC (4)· patent assignee history
2006–2008Patents assigned to IKANOS COMMUNICATION INC (2)· patent assignee history
2006–2011Based in San Jose, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BELL TELEPHONE LABOR INC41977–1984
IKANOS COMMUNICATIONS INC42006–2011
WILTRON CO31998–1999
AT & T BELL LAB21986
IKANOS COMMUNICATION INC22006–2008
Locations
LocationPatentsSpan
San Jose, California, US62006–2011
Randolph, New Jersey, US41983–1986
Morgan Hill, California, US31998–1999
Teheran, IR21977