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THOMSON ALCATEL GIGADISC

Overview
  • Total Patents
    35
About

THOMSON ALCATEL GIGADISC has a total of 35 patent applications. Its first patent ever was published in 1984. It filed its patents most often in Japan, United States and Canada. Its main competitors in its focus markets audio-visual technology, machines and surface technology and coating are SONY DISC & DIGITAL SOLUTIONS, POLYGRAM GMBH and PHILIPS & DU PONT OPTICAL.

Patent filings in countries

World map showing THOMSON ALCATEL GIGADISCs patent filings in countries
# Country Total Patents
#1 Japan 8
#2 United States 7
#3 Canada 6
#4 EPO (European Patent Office) 6
#5 France 6
#6 Hong Kong 1
#7 Singapore 1

Patent filings per year

Chart showing THOMSON ALCATEL GIGADISCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Romeas Rene 15
#2 Gerard Jean-Louis 5
#3 Collomby Michel 5
#4 Bec Daniel 5
#5 Lecomte Daniel 4
#6 Benhamou Alain 4
#7 Leterme Dominique 4
#8 Lange Francois 4
#9 Le Carvennec Francois 3
#10 Danieru Beku 2

Latest patents

Publication Filing date Title
FR2597248A1 Pregraved information medium and its sample access optical exploration device
FR2584223A1 Optical memory following sample track for pregraved information medium.
FR2581784A1 Pregraved information medium and its optical reading device
FR2569035A1 Metal layer for thermo-optically written information medium and manufacturing method thereof
FR2567674A1 Protected optical disc with welded elements
FR2567673A1 Optically written information medium according to a track defined by pregraving patterns and optical track tracking device using such a medium