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TSAI IRVING

Overview
  • Total Patents
    26
About

TSAI IRVING has a total of 26 patent applications. Its first patent ever was published in 1986. It filed its patents most often in United States, Canada and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets audio-visual technology, computer technology and digital networks are ROK PRODUCTIONS LTD, MULTISCIENCE SYSTEM PTE LTD and OSHIMA MITSUAKI.

Patent filings in countries

World map showing TSAI IRVINGs patent filings in countries
# Country Total Patents
#1 United States 17
#2 Canada 4
#3 WIPO (World Intellectual Property Organization) 4
#4 EPO (European Patent Office) 1

Patent filings per year

Chart showing TSAI IRVINGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Tsai Irving 25

Latest patents

Publication Filing date Title
US2007274487A1 Telephone method and apparatus
US7089487B2 Method and apparatus for linking designated portions of a received document image with an electronic address
US7016084B2 Method and apparatus for linking designated portions of a received document image with an electronic address
EP0723685A1 Method for enabling printed documents to retain electronic links to electronic reference information
WO9415253A1 Still film sound photography method and apparatus
CA2544690A1 Still film sound photography method & apparatus
CA2152500A1 Still film sound photography method and apparatus
CA2124080A1 Tape recording method and apparatus
US5255054A Method and apparatus for converting a conventional copier into an electronic printer
US5164768A Method and apparatus for converting a conventional copier into an electronic printer
US5091747A Method and apparatus for converting a conventional copier into an electronic printer
WO8801368A1 Tuned response non-impact printer