Inventor

Babak Tehranchi

Inventor
San Diego, CA, US

Overview

33→
Patents
2000–2018
Patent span
Physics
Primary field (CPC G)

Patents· 33 as inventor

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

H04Nprimary
H04NPictorial communication, e.g. television22%
G06TImage data processing or generation, in general16%
G10LSpeech analysis techniques or speech synthesis15%
H04LTransmission of digital information, e.g. telegraphic communication12%
G06FElectric digital data processing7%
H04HBroadcast communication7%
B41JTypewriters3%
G09CCiphering or deciphering apparatus for cryptographic or other purposes involving the need for secrecy3%
G11BInformation storage based on relative movement between record carrier and transducer3%
H04KSecret communication3%
PatentTitleYear
9,990,688Signal continuity assessment using embedded watermarks20189,704,211'Signal continuity assessment using embedded watermarks'20179,648,282'Media monitoring, management and information system'20179,558,526'Signal continuity assessment using embedded watermarks'20179,251,322'Signal continuity assessment using embedded watermarks'20169,153,006'Circumvention of watermark analysis in a host content'20159,055,239'Signal continuity assessment using embedded watermarks'20158,811,655'Circumvention of watermark analysis in a host content'20148,806,517'Media monitoring, management and information system'20148,781,967'Watermarking in an encrypted domain'20148,745,404'Pre-processed information embedding system'20148,538,066'Asymmetric watermark embedding/extraction'20138,340,348'Methods and apparatus for thwarting watermark detection circumvention'20128,321,679'Pre-processed information embedding system'20128,280,103'System reactions to the detection of embedded watermarks in a digital host content'20128,103,049'System reactions to the detection of embedded watermarks in a digital host content'20128,005,258'Methods and apparatus for enhancing the robustness of watermark extraction from digital host content'20117,788,684'Media monitoring, management and information system'20107,644,282'Pre-processed information embedding system'20107,616,776'Methods and apparatus for enhancing the robustness of watermark extraction from digital host content'20097,369,677'System reactions to the detection of embedded watermarks in a digital host content'20087,242,772'Encryption apparatus and method for synchronizing multiple encryption keys with a data stream'20077,063,470'Printer media supply spool adapted to allow the printer to sense type of media, and method of assembling same'20067,043,019'Copy protection for digital motion picture image data'20066,873,435'Print having encoded metadata coupled thereto'20056,809,792'Spectral watermarking for motion picture image data'20046,634,814'Printer media supply spool adapted to allow the printer to sense type of media, and method of assembling same'20036,628,316'Printer with donor and receiver media supply trays each adapted to allow a printer to sense type of media therein, and method of assembling the printer and trays'20036,509,919'Apparatus adapted to sense a colorant and method for sensing color and detecting a donor mispick condition'20036,381,418'Print having information associated with the print stored in a memory coupled to the print'20026,363,239'Print having attached audio data storage and method of providing same'20026,112,324'Direct access compact disc, writing and reading method and device for same'20006,099,178'Printer with media supply spool adapted to sense type of media, and method of assembling same'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000–2007Patents assigned to EASTMAN KODAK CO (11)· patent assignee history
2000–2007Based in Rochester, NY, US· patent location history
2000Based in Tucson, AZ, US· patent location history
2006–2018Based in San Diego, CA, US· patent location history
2008–2018Patents assigned to VERANCE CORP (20)· patent assignee history
2012–2017Patents assigned to PETROVIC RADE (11)· patent assignee history
2012–2017Patents assigned to TEHRANCHI BABAK (11)· patent assignee history
2012–2017Patents assigned to WINOGRAD JOSEPH M (9)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
VERANCE CORP202008–2018
EASTMAN KODAK CO112000–2007
PETROVIC RADE112012–2017
TEHRANCHI BABAKself112012–2017
WINOGRAD JOSEPH M92012–2017
Locations
LocationPatentsSpan
San Diego, California, US222006–2018
Rochester, New York, US102000–2007
Tucson, AZ, US12000