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NELSON MARTINS COSTA FILHO

Overview
  • Total Patents
    12
About

NELSON MARTINS COSTA FILHO has a total of 12 patent applications. Its first patent ever was published in 1985. It filed its patents most often in Brazil. Its main competitors in its focus markets control are FASOTEC CO LTD, THINKSMART PERFORMANCE SYS LLC and BERMAN DENNIS R.

Patent filings in countries

World map showing NELSON MARTINS COSTA FILHOs patent filings in countries
# Country Total Patents
#1 Brazil 12

Patent filings per year

Chart showing NELSON MARTINS COSTA FILHOs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Control

Focus technologies

# Technology
#1 Teaching materials

Top inventors

# Name Total Patents
#1 Costa Nelson Martins Filho 12

Latest patents

Publication Filing date Title
BR9903836A Internet in three dimensions
BR9800041A Musical writing roll system
BR9100913A Appliance to discriminate phone calls
BR9005456A Digital graphic copier
BR8804627A Process of restoration and discrimination of digital signs by defasation
BR8804482A Cassette data recovery interface
BR8705553A Data charger for microcomputers
BR8703562A Microcomputer interface playing analog sounds
BR8701284A Appliance for video and sound reproduction
BR8506480A Adapter appliance for microcomputer playing analog sounds
BR8506172A Video and sound recording equipment
BR8504209A Appliance for video and sound reproduction