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OSHIMA KENICHI

Overview
  • Total Patents
    23
  • GoodIP Patent Rank
    205,899
About

OSHIMA KENICHI has a total of 23 patent applications. Its first patent ever was published in 1978. It filed its patents most often in Japan, United States and Taiwan. Its main competitors in its focus markets audio-visual technology, basic communication technologies and electrical machinery and energy are SHALAKO INT, HEARING HEALTH GROUP and BOSTON ACOUSTICS INC.

Patent filings in countries

World map showing OSHIMA KENICHIs patent filings in countries

Patent filings per year

Chart showing OSHIMA KENICHIs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Oshima Kenichi 22
#2 Hori Hideo 1
#3 Saso Yasuhiro 1
#4 Ogata Yoji 1
#5 Kobayashi Hiroyuki 1
#6 Ooshima Kenichi 1
#7 Hikichi Toshihiro 1
#8 Nagasawa Takuei 1
#9 Abe Yasuhisa 1
#10 Hayasaka Shinichi 1

Latest patents

Publication Filing date Title
JP2020096332A Headphone stereophonic apparatus
JP2020009730A Lighting device
JP2015019345A Audio signal amplitude suppressor
US2012207321A1 Speaker device
JP2011166652A Amplitude suppressing circuit
JP2010187352A Circuit for suppressing sound-signal amplitude
JP2010108465A User interface device for electronic equipment
JP2009268038A Apparatus to radiate sound automatically when detecting sound
JP2006197580A Sound signal amplitude limiter
JP2006197525A Amplitude limit circuit
JP2006025382A Amplitude suppressing circuit
JP2002315083A Portable sound reproducing device and radio receiver using bone conducting loudspeaker
JP2002027583A Mounting type microphone and headset and public address system
JP2001320255A Limiter
JP2001284973A Power amplifier
JP2000046637A Wave detecting device
JP2000074170A Transmission mechanism and rotary piston to which its motion is applied
JPH02154949A Heat pump with increased efficiency by recovering pressure energy held in heat exchange medium
JPH0224591A Portable device for perceiving silent information
JPS54132819A Preparation of vaporizing injection device of volatile fuel