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NAKAGAWA SOJI

Overview
  • Total Patents
    11
  • GoodIP Patent Rank
    192,529
  • Filing trend
    ⇩ 100.0%
About

NAKAGAWA SOJI has a total of 11 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2005. It filed its patents most often in Japan. Its main competitors in its focus markets environmental technology and engines, pumps and turbines are SAVIN GEORGIJ ALEKSEEVICH, XUANSHENG ZHU and YUNAN JIN.

Patent filings in countries

World map showing NAKAGAWA SOJIs patent filings in countries
# Country Total Patents
#1 Japan 11

Patent filings per year

Chart showing NAKAGAWA SOJIs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Nakagawa Soji 11

Latest patents

Publication Filing date Title
JP2018112098A Vane pressing structure of vane type internal combustion engine
JP2018112102A Supercharged air passage opening/closing structure of vane-type internal combustion engine
JP2018112099A Combustion structure of vane type internal combustion engine
JP2018112101A Rotor structure of vane type internal combustion engine
JP2018112100A Cooling structure of vane type internal combustion engine
JP2012241672A Fuel supply structure of vane type internal combustion engine
JP2012007530A Airtight structure of vane type internal combustion engine
JP2009121446A Structure and method for straightening intake air of internal combustion engine
JP2008297990A Method and structure for generating squish flow in internal combustion engine
JP2008045513A Vane type internal combustion engine
JP2007009777A Intake/exhaust structure of internal combustion engine