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SUNPOT CO LTD

Overview
  • Total Patents
    180
  • GoodIP Patent Rank
    205,469
About

SUNPOT CO LTD has a total of 180 patent applications. Its first patent ever was published in 1974. It filed its patents most often in Japan, EPO (European Patent Office) and United States. Its main competitors in its focus markets environmental technology, thermal processes and mechanical elements are HARMAN CO LTD, GUARD SOUND IND CO LTD and OKURA SANGYO KK.

Patent filings in countries

World map showing SUNPOT CO LTDs patent filings in countries
# Country Total Patents
#1 Japan 178
#2 EPO (European Patent Office) 1
#3 United States 1

Patent filings per year

Chart showing SUNPOT CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Iritani Koji 36
#2 Sato Hidenori 23
#3 Shibata Kohei 22
#4 Maga Kohachi 20
#5 Kitada Yoshiharu 18
#6 Honda Eiji 16
#7 Niki Kosuke 15
#8 Suzuki Yoichi 11
#9 Sano Kenichi 11
#10 Okamoto Atsushi 11

Latest patents

Publication Filing date Title
JP2017003236A Heat pump device
JP2016156589A Air supply cylinder for relay
JP2015218945A Heat pump system
JP2015203541A heat pump system
JP2015017751A Heat pump heat source machine
JP2015017748A Heat pump heat source machine
JP2015017714A Direct vent type oil burning warm air furnace
JP2014169811A Combustion apparatus
JP2014047988A Heat pump system
JP2012211708A Method for controlling operation of hot air heating apparatus
JP2011242042A Wood pellet combustion burner
JP2011052899A Heat pump device
JP2009198091A Woody fuel combustion device
JP2009198090A Woody fuel combustion device
JP2008122015A Wood pellet combustion apparatus
JP2008057795A Rotary burner
JP2008045761A Radiation heater
JP2007322081A Radiation type heater
JP2007147104A Wood fuel combustion device
JP2007147105A Wood fuel combustion device