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KAWASAKI ROZAI KK

Overview
  • Total Patents
    72
About

KAWASAKI ROZAI KK has a total of 72 patent applications. Its first patent ever was published in 1974. It filed its patents most often in Japan. Its main competitors in its focus markets measurement, materials and metallurgy and civil engineering are CHUGOKU X RAY CO LTD, KOREA INST OF CONSTRUCTION MAT and CHINA BUILDING MAT TEST & CERTIFICATION GROUP CO LTD.

Patent filings in countries

World map showing KAWASAKI ROZAI KKs patent filings in countries
# Country Total Patents
#1 Japan 72

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Kawakami Tatsuo 36
#2 Hanaoka Kan 15
#3 Yamamoto Tsutomu 14
#4 Yoshimura Matsuichi 13
#5 Tanaka Seijirou 12
#6 Satou Tsutomu 10
#7 Takahashi Hiroshi 9
#8 Hirota Tetsuo 8
#9 Tada Tsuguji 8
#10 Tsuchiya Ichirou 7

Latest patents

Publication Filing date Title
JPS6117894A Spray execution method of refractory material
JPS6110744A Corrosion testing method of refractory material
JPS6110076A Castable refractories
JPS60260483A Ceramic filter for melt
JPS60252667A Hot-melt road marking paint
JPS60239206A Manufacture of sliding nozzle
JPS60239205A Manufacture of sliding nozzle
JPS60226458A Manufacture of carbonaceous refractories
JPS60216250A Evaluation of heat impact resistance for product containing carbon
JPS60215580A Castable refractory composition
JPS60198208A Manufacture of gas blowing nozzle for molten metal vessel
JPS60186481A Self-curable refractory mortar
JPS60161370A Manufacture of magnesia-calsia baked brick
JPS60141666A High strength lightweight refractory heat insulating block and manufacture
JPS60128337A Non-destructive testing method of refractory or ceramic
JPS60127280A Manufacture of baked refractories
JPS60112665A Manufacture of free lime-containing baked brick
JPS60103088A Antioxidation for carbon-containing product
JPS60103105A Method for plugging tap hole of blast furnace
JPS60100030A Testing method of heat resistant spalling for electrically non conductive refractory