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TAKENAKA MASAAKI

Overview
  • Total Patents
    13
About

TAKENAKA MASAAKI has a total of 13 patent applications. Its first patent ever was published in 1985. It filed its patents most often in Japan. Its main competitors in its focus markets audio-visual technology are ALLISON ACOUSTICS INC, VRIES MACHIEL DE and DA YUANBO.

Patent filings in countries

World map showing TAKENAKA MASAAKIs patent filings in countries
# Country Total Patents
#1 Japan 13

Patent filings per year

Chart showing TAKENAKA MASAAKIs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Audio-visual technology

Focus technologies

# Technology
#1 Loudspeakers and microphones

Top inventors

# Name Total Patents
#1 Takenaka Masaaki 12
#2 Takenaka Kyoko 1

Latest patents

Publication Filing date Title
JP2009260899A Speaker
JP2008160780A Loudspeaker
JP2008079268A Speaker
JPH11275679A Loudspeaker system
JPH11234783A Speaker system
JPH11220787A Loud speaker system
JPH10336782A Speaker system
JPH10262296A Speaker system
JPH10108291A Speaker system and its manufacture
JPH104597A Stationary speaker system
JPH066891A Full-range speaker using glass diaphragm
JPH05227590A Speaker with glass diaphragm
JPS61228883A Allergic nasitis preventing device