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TANAKA KEIICHI

Overview
  • Total Patents
    36
About

TANAKA KEIICHI has a total of 36 patent applications. Its first patent ever was published in 1975. It filed its patents most often in United States and Japan. Its main competitors in its focus markets audio-visual technology, electrical machinery and energy and semiconductors are VICTOR COMPANY OF JAPAN, SONY CO LTD and GO VIDEO INC.

Patent filings in countries

World map showing TANAKA KEIICHIs patent filings in countries
# Country Total Patents
#1 United States 21
#2 Japan 15

Patent filings per year

Chart showing TANAKA KEIICHIs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Tanaka Keiichi 36
#2 Oashi Masahiro 5
#3 Ohto Hidetaka 4
#4 Kanamaru Tomokazu 3
#5 Oto Hidetaka 2
#6 Yamaguchi Takahiro 2
#7 Yamashita Ken 2
#8 Tokita Shigeru 2
#9 Man Xin 1
#10 Yamamoto Yo 1

Latest patents

Publication Filing date Title
US2011305435A1 Playback device, recording medium, playback method and program
US2011307448A1 Reproduction device
US2010002220A1 Light shielding unit, variable slit apparatus, and exposure apparatus
US2009059190A1 Movable body apparatus, exposure apparatus and optical system unit, and device manufacturing method
US2010061702A1 Reproducing apparatus
US2009269028A1 Reproduction device and program
JP2006016920A Sash frame assembling corner joint
JP2005013870A Silica-carrying photocatalyst and its production method
JP2003093305A Broom, sweeping part, and method for producing the same
JP2003093319A Sponge scrub brush and manufacturing method therefor
JP2000333893A Broom and production thereof
JPH11182143A Heat insulating glass window
JPH11123112A Assembling-type shelf
JPH10248700A Shelf with hangers
JPH10140937A Insulation glass window
JPH08287812A Circuit breaking method and device by sensing vibration of breaker
JPH0448992A Treatment of polluted water, sludge and the like, and sludge dehydrating apparatus
JPH0448109A Deodorizing dry incinerator
JPH02191589A Treatment of waste printing paste
JPS5736457A Magnetic sound recorder and reproducer