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RETSUTSU CORP KK

Overview
  • Total Patents
    19
About

RETSUTSU CORP KK has a total of 19 patent applications. Its first patent ever was published in 1986. It filed its patents most often in Japan. Its main competitors in its focus markets audio-visual technology and machines are LET S CORP, MAYHEW CHRISTOPHER A and FAROUDJA Y C.

Patent filings in countries

World map showing RETSUTSU CORP KKs patent filings in countries
# Country Total Patents
#1 Japan 19

Patent filings per year

Chart showing RETSUTSU CORP KKs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Goto Akira 19

Latest patents

Publication Filing date Title
JPH118871A Extension telephone identification device and data processor
JPH10190869A Communication terminal changeover device
JPH10164123A Automatic communication device
JPH0322792A Connection control system in key telephone system
JPH02195794A Connecting system in key telephone system
JPH01261071A Terminal switching controller
JPH01125053A Terminal controller
JPS6453676A Terminal calling control device
JPS6484965A Terminal call controller
JPS63299451A Terminal controller
JPS63296551A Terminal controller
JPS63274255A Terminal changeover controller
JPS63203051A Terminal calling device
JPS63263966A Method for detecting terminal call signal
JPS63245056A Terminal starting equipment
JPS647756A Method and device for terminal calling
JPS63125045A Complex electronic device
JPS63108847A Automatic terminal switching device
JPS62260459A Facsimile equipment