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RYOYU KOGYO KK

Overview
  • Total Patents
    14
  • GoodIP Patent Rank
    221,118
About

RYOYU KOGYO KK has a total of 14 patent applications. Its first patent ever was published in 1997. It filed its patents most often in Japan. Its main competitors in its focus markets environmental technology are YIHONG RAN, WEI HUANG and MAOLIN CAI.

Patent filings in countries

World map showing RYOYU KOGYO KKs patent filings in countries
# Country Total Patents
#1 Japan 14

Patent filings per year

Chart showing RYOYU KOGYO KKs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Takeuchi Suteji 4
#2 Sato Mitsuo 3
#3 Fukazawa Tomokazu 3
#4 Oshita Masanobu 2
#5 Machiya Atsushi 2
#6 Aoyama Naoki 2
#7 Nakamura Hirokazu 2
#8 Takeda Tokuaki 2
#9 Nawa Kazunari 1
#10 Tochisawa Mitsunori 1

Latest patents

Publication Filing date Title
JP2017004918A Planar heater for signal light and ice or snow adhesion prevention method using the same
JP2016072202A Heater unit
JP2005133308A Tatami floor heater
JP2003317904A Flat heating element
JP2001338708A Waterproof structure of lead wire connecting part
JP2001185330A Sheet heating element
JP2000357579A Sheet heating element
JP2000150122A Flat heating unit
JP2000215969A Sheet heat generator
JP2001023760A Sheet heating element
JP2000340342A Sheet heater
JP2000152881A Portable heating and thermal insulation tool
JP2000135236A Portable heat storage pack heating tool
JPH11135245A Cylindrical heater