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NIPPON COLUMBIA

Overview
  • Total Patents
    2,469
About

NIPPON COLUMBIA has a total of 2,469 patent applications. Its first patent ever was published in 1960. It filed its patents most often in Japan, United States and Germany. Its main competitors in its focus markets audio-visual technology, telecommunications and basic communication technologies are SOFT R RES LLC, TEAC CORP and BULGARSKO RADIO.

Patent filings per year

Chart showing NIPPON COLUMBIAs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hayashi Hideaki 158
#2 Kobayashi Teruo 75
#3 Sakuma Hiroto 56
#4 Momotake Kousaku 55
#5 Kawaomo Hisashi 41
#6 Tanaka Nobukazu 37
#7 Onishi Atsushi 34
#8 Nakano Kazuhiko 33
#9 Kobayashi Yoshikazu 33
#10 Koizumi Toshio 32

Latest patents

Publication Filing date Title
EP1244096A2 Optical information record medium, method of recording information on optical information record medium, and information recording apparatus
JP2003005763A Karaoke machine, method for karaoke and www server for the machine
JP2003005764A Internet karaoke machine, method for karaoke and www server for the machine
JP2003005765A Karaoke machine, method for karaoke and www server for the machine
JP2002298451A Method of manufacturing stamper and method of manufacturing optical recording medium
JP2002297368A Information terminal unit
JP2002292635A Method for manufacture of stamper and light guiding board
JP2002288891A Method of manufacturing stamper and its electroforming method
JP2002288887A Medium testing method, medium tester, medium testing program and recording medium
JP2002270295A Input-output terminal batch connecting device and inspection method of audio system
JP2002264209A Apparatus for manufacturing photoconductive plate
JP2002241981A Method for producing stamper and electroforming method
JP2002228844A Light transmission plate and liquid crystal display device
JP2002214447A Light guide plate, method for manufacturing the same, and liquid crystal display device
JP2002214444A Light guide plate and liquid crystal display device
JP2002170262A Optical disk reproducer
JP2002207905A Contents package order reception system and contents package order reception and production system
JP2002189500A Audio signal encoding method, audio signal encoder, and recording medium having audio signal encoding program recorded thereon
JP2002184106A Jitter removing device and digital audio reproduction system
JP2002181062A Rotating knob