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KAWACHI KAZUO

Overview
  • Total Patents
    15
About

KAWACHI KAZUO has a total of 15 patent applications. Its first patent ever was published in 1977. It filed its patents most often in Japan, Canada and Germany. Its main competitors in its focus markets audio-visual technology are PETERSEN AXEL CARL GEORG, OBANA NORIO and YAMAZAKI KAZUYOSHI.

Patent filings in countries

World map showing KAWACHI KAZUOs patent filings in countries
# Country Total Patents
#1 Japan 11
#2 Canada 1
#3 Germany 1
#4 France 1
#5 United States 1

Patent filings per year

Chart showing KAWACHI KAZUOs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Kawachi Kazuo 14

Latest patents

Publication Filing date Title
JPS61211890A Production of magnetic tape cassette
JPS5835774A Brake for tape cartridge
JPS5677957A Head pad mechanism of tape cartridge
JPS551681A Mafnetic tape cassette
JPS54138418A Method of forming reel at tape cartridge
JPS54137313A Head pad mechanism for tape cassette
JPS54128723A Head pad device for cartridge
JPS54114225A Reel hub for tape cassette
JPS54114224A Reel hub for tape cassette
JPS54108613A Reel hub for tape cassette
JPS53118016A Method of making magnetic tape cassette* and guide therefor
US4126283A Magnetic tape cassette