Learn more

NAKAMICHI KENKYUSHO

Overview
  • Total Patents
    38
About

NAKAMICHI KENKYUSHO has a total of 38 patent applications. Its first patent ever was published in 1974. It filed its patents most often in Japan. Its main competitors in its focus markets audio-visual technology and measurement are OB Z ZA ZAPAMETYAVASHTI, NAKAMICHI RESEARCH and ONSTREAM B V.

Patent filings in countries

World map showing NAKAMICHI KENKYUSHOs patent filings in countries
# Country Total Patents
#1 Japan 38

Patent filings per year

Chart showing NAKAMICHI KENKYUSHOs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Uchikoshi Kouji 19
#2 Kobayashi Kouzou 6
#3 Nakamichi Nirou 4
#4 Myaguchi Kazuyoshi 3
#5 Kawachi Hideo 3
#6 Hosoi Akihiko 2
#7 Uchikoshi Koji 2
#8 Nakamichi Niro 2
#9 Kawauchi Hideo 2
#10 Nishiyama Toyoo 1

Latest patents

Publication Filing date Title
JPS5517833A Magnetic head
JPS554761A Mode switching device of cassette tape recorder
JPS54130782A Rotation controller
JPS54126061A Divider circuit
JPS5467621A Drive turning gear
JPS5459061A Circuit for compressing or extending signal level
JPS5437659A Multiband filter circuit
JPS5437658A Multiband filter circuit
JPS5355722A Commutatorless dc motor
JPS5378039A Inductance load switching circuit
JPS5341748A Inductance load switching circuit
JPS5339426A Dc voltage converter
JPS5337267A Rotation transmitting device
JPS533808A Reel deck device
JPS52150951A Current drive pushhpull amplifying circuit
JPS52125710A Motor speed controller
JPS52107816A Circuit for reproducing tape recorder
JPS5290026A Dccdc converter circuit
JPS5249005A Device for operating tape recorders
JPS5217878A Flywheel balance meter