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ROZAI KOGYO KK

Overview
  • Total Patents
    139
  • GoodIP Patent Rank
    221,816
About

ROZAI KOGYO KK has a total of 139 patent applications. Its first patent ever was published in 1975. It filed its patents most often in Japan, WIPO (World Intellectual Property Organization) and China. Its main competitors in its focus markets materials and metallurgy, environmental technology and thermal processes are KROSAKIHARIMA CORP, REFRACTORY INTELLECTUAL PROPERTY GMBH & CO KG and REFRACTORY INTELLECTUAL PROP.

Patent filings in countries

World map showing ROZAI KOGYO KKs patent filings in countries

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Maki Noboru 74
#2 Tanida Kazuaki 13
#3 Tsuchinari Akihiro 10
#4 Ensatsu Shigeisa 8
#5 Komura Takayuki 7
#6 Ensatsu Shigeo 5
#7 Nagao Katsukuni 5
#8 Nagaoka Takeshi 5
#9 Mitsuta Yoshihiro 5
#10 Kanamaru Masao 5

Latest patents

Publication Filing date Title
JP2020079182A Fireproof heat insulating brick and its manufacturing method
JP2015132408A Heat reservoir automatic agitating device for regenerative burner
JP2014043377A Porous refractory
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JP2001152601A Landscape block for construction and wall body structure of building using the same
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JP2000292066A Tilting unit for tilting thermal storage burner of melting furnace
JP2000266332A Heat storage type exhaust gas treating method and device thereof
JPH11193920A Combustion control method for regenerative burner in melting/holding furnace
JPH11173529A Heat storage catalytic method and device for treating exhaust gas