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GAKKEN CO LTD

Overview
  • Total Patents
    560
About

GAKKEN CO LTD has a total of 560 patent applications. Its first patent ever was published in 1968. It filed its patents most often in Japan, United States and United Kingdom. Its main competitors in its focus markets audio-visual technology, control and furniture and games are CARL LOTT, YUASA SHOJI CO LTD and OLIVEIRA J DE.

Patent filings per year

Chart showing GAKKEN CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Fujiwara Mutsushika 23
#2 Kirihara Yasushi 18
#3 Kobayashi Fumio 18
#4 Yano Koichi 17
#5 Muroga Hisashi 16
#6 Miyashita Takehisa 16
#7 Hiraki Mitsuo 13
#8 Ishiyama Shozo 13
#9 Hayashi Kashiwa 13
#10 Konishi Masayuki 12

Latest patents

Publication Filing date Title
JP2007190252A Kanji puzzle game device and kanji puzzle game program
JP2007061372A Three-dimensional illustration indicating puzzle game machine
JP2006301686A Digital system notebook and communication system using the same
JP2006230960A Hook for hanging clothing and locker
JP2006123334A Teaching material for learning
JP2006075509A Turning and moving toy
JP2005338372A Apparatus and program for supporting learning of foreign language
JP2004199850A Planar phonograph
JP2004191502A Display control program, and information processing apparatus
JP2003162486A Server, information providing support method and program
JP2003248538A Program, information processing device using the same and information processing method
JP2003220283A Picture book
JP2003115879A Server, control method therefor and control system using the same
JP2003102071A Remote control system and remote control method
JP2002314612A Server, information providing support system and method, and program
JP2002032687A Fixed amount electronic credit card system
JP2001239071A Motor-driven running gear
JP2001205112A Clamp
JP2001038073A Protective cover for scissors
JP2001022268A Teaching material for power circuit