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TOSHIBA EMI KK

Overview
  • Total Patents
    261
About

TOSHIBA EMI KK has a total of 261 patent applications. Its first patent ever was published in 1974. It filed its patents most often in Japan, United States and EPO (European Patent Office). Its main competitors in its focus markets machines, audio-visual technology and control are M2 ENGINEERING AB, O T B GROUP B V and ODME INTERNAT B V.

Patent filings in countries

World map showing TOSHIBA EMI KKs patent filings in countries

Patent filings per year

Chart showing TOSHIBA EMI KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kakinuma Keiji 63
#2 Yamaguchi Tomoaki 15
#3 Komiyama Takeshi 14
#4 Iwai Hirofumi 13
#5 Kato Yuichi 13
#6 Takagishi Akitatsu 11
#7 Fukushima Masaaki 10
#8 Yamazaki Koji 10
#9 Takamoto Masahiko 10
#10 Morita Tsugio 9

Latest patents

Publication Filing date Title
JP2003077217A Optical disk, data recording program, recording medium recorded with data recording program, copy check program, recording medium recorded with copy check program, and secret readout program and recording medium recorded with secret readout program
JP2002175662A Optical disk
JP2002163133A File data comparing method
JP2002123983A Optical information recording medium having visual water mark, and device and method for forming visual water mark
JP2001328691A Disk case for storing plural disks
JP2001325771A Preventing method for illegal copy of cd-rom, and cd-rom for preventing illegal copy
JP2001266478A Illicit copying preventive recording medium
JP2001229019A Recording medium capable of preventing illegal copy
JP2001236766A Mastering information correcting method, and its system
JP2001155423A Unauthorized copy preventive recording medium
JP2001126257A Optical disk recording method using diffracted beam
JP2001110124A Detecting method of index changed point of subcode q channel
JP2001067808A Detecting method for index change point of subcode q- channel
JP2001060340A Optical information recording medium with visual water mark, visual water mark forming device and its formation
JP2001028169A Method for detecting index change point of subcode q channel, and method for recording master disk for optical disk provided with subcode q channel
JP2000348391A Device and system for inspecting deformation of optical dick
JP2000331386A Method for inspecting optical disk substrate
JP2000298884A Read only optical disk
JP2000298886A Metal stamper and its manufacture
JP2000259470A Method for processing a plurality of files with each other