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OKAMOTO KOICHI

Overview
  • Total Patents
    49
  • GoodIP Patent Rank
    193,901
  • Filing trend
    ⇩ 100.0%
About

OKAMOTO KOICHI has a total of 49 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 1974. It filed its patents most often in Japan, WIPO (World Intellectual Property Organization) and United States. Its main competitors in its focus markets civil engineering, packaging and shipping and electrical machinery and energy are AUTOMOBILE VENTILATION INC, ISCHEBECK FA C and RUEF DICTATOR.

Patent filings in countries

World map showing OKAMOTO KOICHIs patent filings in countries

Patent filings per year

Chart showing OKAMOTO KOICHIs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Okamoto Koichi 48
#2 Okamoto Kotaro 17
#3 Okamoto Mariko 17
#4 Okamoto Nobuko 16
#5 Kawakami Yoichi 1
#6 Okamoto Yoko 1
#7 Kataoka Ken 1
#8 Funato Mitsuru 1
#9 Hata Hiroshige 1
#10 Miyauchi Mutsuo 1

Latest patents

Publication Filing date Title
JP2020176415A Door closer including speed reducer and release device for releasing the same
JP2019060138A Door closer using strain energy accumulated during deceleration
JP2017172133A door
JP2017040108A Reduction gear of not resisting after deceleration
JP2015206219A Reduction gear automatically releasing resistance
JP2014118730A Rotational mechanism and speed reduction mechanism, and moving apparatus such as door comprising them
JP2011099314A Rotation control mechanism of rotator, and device for opening/closing door and the like using the same
WO2010092982A1 Revolution control mechanism for revolving body and opening and closing device such as a door employing the same
JP2010001734A Door
JP2010229802A Rotation control mechanism for rotor, and opening and closing device for door or the like using the same
JP2009270370A Door moving by spring
JP2009249965A Door moved by spring
JP2009185461A Door
JP2009144329A Door
JP2009091853A Door
JP2009030417A Door
JP2008248482A Door worked by spring
JP2008174053A Carry cart
JP2008149758A Carry cart with shelf
JP2008132908A Stair climbing vehicle