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BIIBA KK

Overview
  • Total Patents
    41
About

BIIBA KK has a total of 41 patent applications. Its first patent ever was published in 1975. It filed its patents most often in Japan. Its main competitors in its focus markets basic communication technologies, audio-visual technology and environmental technology are STANDARD KOGYO KK, ORBAN ASS INC and CLEAR AUDIO LTD.

Patent filings in countries

World map showing BIIBA KKs patent filings in countries
# Country Total Patents
#1 Japan 41

Patent filings per year

Chart showing BIIBA KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yaoita Akira 28
#2 Takizawa Tetsuya 10
#3 Yaosaka Akira 2
#4 Misono Akira 1
#5 Nishino Hiroshi 1
#6 Sano Fujiharu 1

Latest patents

Publication Filing date Title
JP2009144692A Antiphase sound generator
JP2009065628A High-speed airflow noise preventing microphone device
JP2009017522A Primary propagation sound erasing microphone apparatus
JP2007138677A Silent wall surface of tunnel
JP2007051625A Reflector type silencing pipe
JP2006053503A Active noise elimination controller of directly emitted noise
JP2005031599A Reflecting plate type silencer
JP2004021243A Speaker enclosure and speaker for active control of diffraction sound
JP2003060467A Foot-eliminate filter circuit
JP2002070799A Apparatus for reducing rotation noise
JP2002022254A Noise removing appliance
JP2001034272A Muffling device
JP2000122670A Silencing speaker
JPH1136239A Double reflection sound absorbing plate
JPH09269788A Acoustic door
JPH09136645A Method for reducing high-speed air flow sound for high-speed traveling vehicle
JPH0954593A Diffracted sound suppressing speaker system
JPH08237056A Amplitude/phase adjustment device
JPH0865787A Active narrow directivity speaker system
JPH0833086A Active narrow directivity speaker