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KOUHA KK

Overview
  • Total Patents
    32
About

KOUHA KK has a total of 32 patent applications. Its first patent ever was published in 1978. It filed its patents most often in Japan. Its main competitors in its focus markets electrical machinery and energy, audio-visual technology and semiconductors are EBERLE & CO APPBAU GES, YAMADA SHIGERU and G CARTIER TECH.

Patent filings in countries

World map showing KOUHA KKs patent filings in countries
# Country Total Patents
#1 Japan 32

Patent filings per year

Chart showing KOUHA KKs patent filings per year from 1900 to 2020

Focus technologies

Top inventors

# Name Total Patents
#1 Aoki Kazuo 7
#2 Sato Yoshiaki 7
#3 Fujieda Masayuki 6
#4 Ando Akira 5
#5 Kawakami Shingo 4
#6 Nakajima Hidekazu 4
#7 Ebihara Satoru 3
#8 Sekine Mitsuharu 3
#9 Hirano Yumiko 2
#10 Azuma Toshikazu 2

Latest patents

Publication Filing date Title
JPH1173838A Light irradiating type push button
JPH1125720A Incandescent lamp colorlight
JPH10340650A Switch device for automatic vending machine
JPH10319871A Led display device
JPH10302571A Switch device of dispenser
JPH10242523A Light emitting diode display device and picture display device utilizing the same
JPH10229221A Light emitting diode display and image picture display using the same
JPH10188094A Push button at automatic vending machine and the like
JPH10171408A Exercise motion display device
JPH10105812A Money amount display unit of automatic vending machine
JPH1091090A Dot matrix luminescent display device and pitching display device
JPH1049076A Bus destination display device
JPH09319333A Pitching display device
JPH09297560A Light emitting display device
JPH09297543A Emissive display device
JPH09237054A Display device
JPH09204560A Antibecterial button
JPH09197980A Display device
JPH09138402A Led back light device for illuminating liquid crystal display device
JPH0954558A Dot matrix emissive display device