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KOFUROTSUKU KK

Overview
  • Total Patents
    27
  • GoodIP Patent Rank
    214,669
About

KOFUROTSUKU KK has a total of 27 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 control, environmental technology and mechanical elements are THERY CHARLES, JINGXI LIANG and YOKOSUKA TOWN.

Patent filings in countries

World map showing KOFUROTSUKU KKs patent filings in countries
# Country Total Patents
#1 Japan 27

Patent filings per year

Chart showing KOFUROTSUKU KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yabuuchi Nobuo 6
#2 Yasuoka Kenji 5
#3 Takahashi Yoshimasa 4
#4 Hotta Chikako 3
#5 Yoshii Atsushi 3
#6 Okumura Masaru 3
#7 Yajima Hiromitsu 2
#8 Yoshida Koichi 2
#9 Kozai Toyoki 1
#10 Matsushita Shigetada 1

Latest patents

Publication Filing date Title
JP2020018988A Pressure swing adsorption device
JP2020015021A Control method of pressure swing adsorption apparatus and pressure swing adsorption apparatus
JP2017202447A Gas separator
JP2013049010A Method and device for separating mixed gas
JP2013024620A Ultrasonic flowmeter
JP2012145126A Solenoid valve
JP2010075778A Pressure swing adsorption device
JP2010075781A Pressure swing adsorption device
JP2007229375A Medical oxygen enricher
JP2006258434A Thermal flowmeter
JP2005249191A Proportional solenoid control valve
JP2004059365A Ozonizer
JP2003252701A Apparatus for insecticidal treatment of cultural property
JP2003010630A Nitrogen concentration gas humidifying device
JP2002310761A Temperature compensation circuit for bridge circuit
JP2002310758A Bridge circuit
JP2002310763A Flow-rate measuring device
JP2002143659A Device for producing high concentration ozonic water and method for producing high concentration ozonic water using the device
JP2001327829A Pressure swing adsorber
JP2001259039A Oxygen concentration device for medical treatment equipped with thermal mass flow rate controller