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KOUFU SANKYO KK

Overview
  • Total Patents
    20
About

KOUFU SANKYO KK has a total of 20 patent applications. Its first patent ever was published in 1974. It filed its patents most often in Japan and Germany. Its main competitors in its focus markets audio-visual technology are SCRATCH LESS DISC IND LLC, YAMAZAKI KAZUYOSHI and KOSUGI HIROTOSHI.

Patent filings in countries

World map showing KOUFU SANKYO KKs patent filings in countries
# Country Total Patents
#1 Japan 17
#2 Germany 3

Patent filings per year

Chart showing KOUFU SANKYO KKs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Yakame Takeshi 5
#2 Nakahara Kunihiko 4
#3 Nakahara Yasuyuki 4
#4 Ichikawa Jiyunji 3
#5 Ishikawa Mitsuo 1
#6 Yamamoto Toshio 1
#7 Kobayashi Fumio 1
#8 Yakame Ken 1

Latest patents

Publication Filing date Title
JPS5439108A Device for starting tape operating system in cassette tape recorder
JPS5439109A Device for starting tape operating system and ejecting system in cassette tape recorder
JPS5449107A Mechanism of preventing false operation of push button in tape recorder
JPS5449106A Device of selecting and starting each operation system in tape recorder
JPS5433008A Device for automatically depressing pushhbutton in tape recorder
JPS5430805A Device for ejecting cassette in cassette tape recorder
JPS53131813A Cassette transfer mechanism for tape recorder
JPS53126904A Cassette ejection preventing mechanism for cassette tape recorder
JPS53107318A Cassette detection mechanism for cassette tape recorder
JPS5399910A Safety mechanism for operation of cassette tape recorder
JPS5397406A Operating mechanism for cassette tape player
JPS5379399A Operation indicator
JPS5375798A Operation indicator
JPS5317332A Voltage indicator
JPS533306A Automatic loading mechanism for tape recorder
JPS5373998A Operation indicator
JPS5262409A Automatic loading mechanism for tape recorder