Inventor

Dov Rosenfeld

Inventor

Oakland, CA, US

Overview

10→

Patents

1979–2013

Patent span

Electricity

Primary field (CPC H)

Patents· 10 as inventor

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

H04Nprimary

H04NPictorial communication, e.g. television43%

H04BTransmission14%

H04LTransmission of digital information, e.g. telegraphic communication14%

B33YAdditive manufacturing, i.e. manufacturing of three-dimensional [3d] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3d printing, stereolithography or selective laser sintering7%

B41JTypewriters7%

G01TMeasurement of nuclear or x-radiation7%

G02BOptical elements, systems or apparatus7%

PatentTitleYear

8,494,295'Variable length coding for clustered transform coefficients in video compression'2013 8,131,096'Variable length coding for clustered transform coefficients in video compression'2012 7,912,306'Variable length coding for clustered transform coefficients in video compression'2011 7,796,825'Losslessly improving compression of compressed image data'2010 7,680,349'Variable length coding for clustered transform coefficients in video compression'2010 7,471,840'Two-dimensional variable length coding of runs of zero and non-zero transform coefficients for image compression'2008 6,690,747'Method for reference signal generation in the presence of frequency offsets in a communications station with spatial processing'2004 6,275,543'Method for reference signal generation in the presence of frequency offsets in a communications station with spatial processing'2001 6,204,875'Method and apparatus for light modulation and exposure at high exposure levels with high resolution'2001 4,165,462'Variable code gamma ray imaging system'1979

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979–2013Patents assigned to ROSENFELD DOV (3)· patent assignee history

1979Based in San Francisco, CA, US· patent location history

2001–2004Patents assigned to ARRAYCOMM INC (2)· patent assignee history

2001–2013Based in Oakland, CA, US· patent location history

2008–2013Patents assigned to CISCO TECH INC (6)· patent assignee history

2012–2013Patents assigned to CHEN WEN-HSIUNG (2)· patent assignee history

2012–2013Patents assigned to PELTON GREGORY D (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CISCO TECH INC	6	2008–2013
ROSENFELD DOVself	3	1979–2013
ARRAYCOMM INC	2	2001–2004
CHEN WEN-HSIUNG	2	2012–2013
PELTON GREGORY D	2	2012–2013

Locations

Location	Patents	Span
Oakland, California, US	9	2001–2013
San Francisco, California, US	1	1979