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KOBELCO & MAT COPPER TUBE INC

Overview
  • Total Patents
    99
  • GoodIP Patent Rank
    118,437
  • Filing trend
    ⇧ 200.0%
About

KOBELCO & MAT COPPER TUBE INC has a total of 99 patent applications. It increased the IP activity by 200.0%. Its first patent ever was published in 2003. It filed its patents most often in Japan, Republic of Korea and China. Its main competitors in its focus markets thermal processes, materials and metallurgy and mechanical elements are ZHEJIANG DUNAN THERMAL ENGINEERING TECH CO LTD, HAE SONG ENG CO LTD and TEIGU KK.

Patent filings per year

Chart showing KOBELCO & MAT COPPER TUBE INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Shirai Takashi 32
#2 Watanabe Masahito 21
#3 Hinako Nobuaki 20
#4 Hosoki Tetsuo 18
#5 Ishibashi Akihiko 16
#6 Iwamoto Hideki 14
#7 Takahashi Hiroyuki 14
#8 Saeki Chikara 13
#9 Haba Tsuneo 10
#10 Watanabe Masato 7

Latest patents

Publication Filing date Title
JP2020101362A Ebullition type heat transfer pipe
JP2020063867A Air conditioner corrosion progress suppression method and air conditioner
JP2020063866A Air conditioner corrosion progress suppression method, air conditioner, and refrigerant pipe
JP2019184221A Corrosion progress control method of air conditioner, air conditioner and refrigerant pipe
JP2018168462A Corrosion resistant copper alloy tube
JP2017020736A Ebullition type heat transfer pipe
JP2017020063A Copper and copper alloy tube for flare processing
JP2016033440A Heat transfer pipe for pipe single phase flow
JP2015232415A Heat transfer pipe for overcooling double-pipe heat exchanger
JP2015175574A Return bend pipe for heat exchanger, heat transfer tube for heat exchanger, heat exchanger and process of manufacturing heat exchanger
JP2015140475A Copper tube for heat exchanger
JP2015045482A Heat transfer pipe for in-pipe single phase flow
JP2015010265A Corrosion-resistant oxygen-free copper alloy pipe
JP2015010264A Phosphorus deoxidized copper pipe for heat exchanger
JP2014118580A Corrosion resistant copper alloy tube
JP2013189664A Copper alloy tube
JP2013159803A Copper alloy tube
JP2013127321A Heat transfer tube having leakage detection function, and outer tube used for the same
JP2013076123A Copper alloy tube
JP2011225989A Copper alloy tube