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ISHIZU MASAO

Overview
  • Total Patents
    18
  • GoodIP Patent Rank
    185,824
  • Filing trend
    ⇩ 66.0%
About

ISHIZU MASAO has a total of 18 patent applications. It decreased the IP activity by 66.0%. Its first patent ever was published in 1990. It filed its patents most often in Japan and Republic of Korea. Its main competitors in its focus markets environmental technology, electrical machinery and energy and consumer goods are SHANGHAI WITELEC CO LTD, TOPLAND KK and NAPOLEX CORP.

Patent filings in countries

World map showing ISHIZU MASAOs patent filings in countries
# Country Total Patents
#1 Japan 17
#2 Republic of Korea 1

Patent filings per year

Chart showing ISHIZU MASAOs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ishizu Masao 17
#2 Matsuoka Mihoko 1

Latest patents

Publication Filing date Title
JP2021006242A Care lift
JP2020137987A Lifting/lowering instrument for person to be cared
JP2020114583A Water-jetting dust remover
JP2020084978A Multi-funnel for small hydroelectric generator
JP2019025273A Bathtub cleaning robot
JP2019027427A Feedback type wind turbine
JP2019025274A Downsizing wheeled cane
JP2015007414A Impeller with booster function
JP2013076354A Wind power generating apparatus with turbo function
JP2010227523A Auxiliary device capable of attaching detachably self-standing mechanism to stick
JP2010001881A Booster wind turbine-wind tunnel body for wind power generation
JP2006127434A Vending machine with electric charging function
JP2005287126A Portable charging and discharging apparatus
KR20040071636A Charger for mobile phone and operation method for the same and charging apparatus for mobile phone and charging method for the same
JP2005123504A Charging and discharging device for portable electronic appliance
JPH11170177A Nipple fastening machine of bicycle
JPH07264445A Motor-driven universal head
JPH04108089A Energy accumulating and releasing bicycle