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TOA CORP

Overview
  • Total Patents
    857
  • GoodIP Patent Rank
    40,232
  • Filing trend
    ⇧ 40.0%
About

TOA CORP has a total of 857 patent applications. It increased the IP activity by 40.0%. Its first patent ever was published in 1988. It filed its patents most often in Japan, WIPO (World Intellectual Property Organization) and EPO (European Patent Office). Its main competitors in its focus markets audio-visual technology, telecommunications and basic communication technologies are ONKYO KK, WARWICK AUDIO TECHNOLOGIES LTD and EPCOS PTE LTD.

Patent filings per year

Chart showing TOA CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yoshikawa Susumu 63
#2 Tanaka Tomohisa 40
#3 Maeda Kazuaki 32
#4 Higashihara Daisuke 29
#5 Ogawa Yuzo 26
#6 Kawaguchi Koji 23
#7 Kurisu Kiyohiro 23
#8 Matsutani Hiroshi 23
#9 Yoshioka Tsutomu 22
#10 Suzuki Akihiro 19

Latest patents

Publication Filing date Title
JP2021005871A Broadcasting device, broadcasting system, and computer program
JP2020166550A Information proving system and display control device
JP2020166636A Apparatus and alarm system
JP2020174224A Acoustic signal formation device, acoustic reception apparatus and acoustic system
JP2020166060A Acoustic signal forming device, acoustic receiver and acoustic system
WO2020194581A1 Transmission device, reception device, and wireless microphone system
JP2020139637A Device of dropping and removing liquid by sound, and method of dropping and removing liquid by sound
WO2020148859A1 Microphone device
JP2020068427A Broadcasting device, broadcasting system, and computer program
JP2020068403A Broadcasting system and computer program
JP2020053945A Broadcasting system and information presentation device
JP2019207470A Disaster prevention system and broadcast device for emergency
JP2019145907A Unit connecting member, speaker unit, and array speaker
JP2019129522A Terminal device, broadcast sound forming device, and information presentation system
EP3731539A1 Broadcasting system
JP2019004306A Horn speaker, loudspeaker unit, megaphone, horn, adapter, and broadcasting system
JP2018201175A speaker
JP2018165774A Outdoor voice simulation program and electronic device
JP2018073227A Evacuation guidance system
JP2017220873A Ceiling speaker