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KEIO GIKEN KOGYO KK

Overview
  • Total Patents
    46
About

KEIO GIKEN KOGYO KK has a total of 46 patent applications. Its first patent ever was published in 1971. It filed its patents most often in Japan, United States and Germany. Its main competitors in its focus markets consumer goods, machines and audio-visual technology are KANI HIROFUMI, ALLEN ORGAN CO and GIBBS MFG & RES CORP.

Patent filings in countries

World map showing KEIO GIKEN KOGYO KKs patent filings in countries
# Country Total Patents
#1 Japan 35
#2 United States 4
#3 Germany 3
#4 United Kingdom 3
#5 Canada 1

Patent filings per year

Chart showing KEIO GIKEN KOGYO KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Oota Kiyouzou 11
#2 Saegusa Fumio 5
#3 Tachibana Akiyoshi 3
#4 Ota Kyozo 3
#5 Katou Tsutomu 2
#6 Arai Tomoji 2
#7 Mieda Fumio 2
#8 Inagaki Masae 2
#9 Nishijima Hiroaki 2
#10 Hirono Chiharu 2

Latest patents

Publication Filing date Title
JPS61205998A Musical sound generator
JPS61201299A Rhythm sound generator
JPS61200786A Music sound information receiving device
JPS61193512A Constant amplitude sawtooth wave generating circuit
JPS61193505A Envelope extracting circuit
JPS61163389A Vibration detection microphone
JPS60165138A Data transmission equipment
JPS60150095A Reverberation adder
JPS59195698A Musical sound generator
JPS59195694A Envelope generator
JPS5944098A Electronic musical instrument
JPS58182698A Code identification and electronic keyed instrument employing same
JPS5856205A Recorder and reproducer of digital data
JPS57116500A Signal processor
JPS56117429A Phase lock loop
JPS5650394A Frequencyyvoltage converter
JPS54131921A Electronic keyboard instrument
JPS54119912A Condenser microphone for instrument
JPS54114277A Tuner
JPS5478030A Plane position signal generator