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IKEGAMI FUMIO

Overview
  • Total Patents
    23
About

IKEGAMI FUMIO has a total of 23 patent applications. Its first patent ever was published in 1976. It filed its patents most often in Japan, Canada and United States. Its main competitors in its focus markets digital networks are Langchao qilu software industry co ltd, EISEI TSUSHIN SYST GIJUTSU KEN and YOSHITO WATANABE.

Patent filings in countries

World map showing IKEGAMI FUMIOs patent filings in countries
# Country Total Patents
#1 Japan 9
#2 Canada 5
#3 United States 4
#4 EPO (European Patent Office) 2
#5 Denmark 1
#6 Finland 1
#7 Norway 1

Patent filings per year

Chart showing IKEGAMI FUMIOs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Digital networks

Focus technologies

# Technology
#1 Digital information transmission

Top inventors

# Name Total Patents
#1 Ikegami Fumio 23
#2 Takeuchi Tsutomu 22
#3 Yoshida Susumu 22
#4 Ariyavisitakul Sirikiat 14
#5 Shirikiyatsuto Ariyauishitakun 7
#6 Sasada Masaaki 5

Latest patents

Publication Filing date Title
CA1266705A Digital communication device
JPH01290348A Digital communication system
JPS63238748A Digital communicating system
JPS62265836A Digital communication system
US4849990A Digital communication system
US4726038A Digital communication system
JPS6239930A Digital communication equipment
JPS61280136A Digital communication equipment
JPS61261946A Digital communication system
JPS61261945A Digital communication system
JPS61169049A Digital communication system
JPS5336103A Mobile radio communication system