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KOA SEISAKUSHO KK

Overview
  • Total Patents
    13
About

KOA SEISAKUSHO KK has a total of 13 patent applications. Its first patent ever was published in 1998. It filed its patents most often in Japan. Its main competitors in its focus markets thermal processes and consumer goods are KIM BONG SUCK, ENERGY SAVING CONCEPTS LTD and JIANGSU SHILINBOER REFRIGERATION EQUIP CO LTD.

Patent filings in countries

World map showing KOA SEISAKUSHO KKs patent filings in countries
# Country Total Patents
#1 Japan 13

Patent filings per year

Chart showing KOA SEISAKUSHO KKs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Isobe Rentaro 12
#2 Mashita Kyoji 1
#3 Tamura Makoto 1

Latest patents

Publication Filing date Title
JP2004012119A Spiral fin heat exchanger
JP2001334334A Method for manufacturing heat exchanger
JP2001248979A Heat exchange pipe and manufacturing method for the same as well as heat exchange structure of refrigerating circuit
JP2001191125A Manufacturing method of branched tube
JP2001133078A Connection structure of tubular member, its pipe connection part formation method, and fluid shunt using connection structure
JP2001108333A Heat exchanging structure of refrigeration circuit
JP2001041631A Cooler and draft beer spout device employing the same
JP2001038436A Manufacture of hollow element
JP2001004291A Heat exchanger and method for manufacturing same
JP2000266487A Heat exchanger
JP2000266485A Heat exchanger and its manufacture
JP2000153332A Heat exchanger and its manufacture
JP2000154990A Heat exchanger and manufacture thereof