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NAKATSUKA KATSUTO

Overview
  • Total Patents
    29
About

NAKATSUKA KATSUTO has a total of 29 patent applications. Its first patent ever was published in 1987. It filed its patents most often in Japan, Canada and Norway. Its main competitors in its focus markets basic materials chemistry, materials and metallurgy and machines are COLUMBIAN CARBON CO., EVONIK CARBON BLACK GMBH and NIP RAYMOND LEE.

Patent filings in countries

World map showing NAKATSUKA KATSUTOs patent filings in countries

Patent filings per year

Chart showing NAKATSUKA KATSUTOs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Nakatsuka Katsuto 28
#2 Atarashi Takafumi 17
#3 Shinko Takashi 8
#4 Shimoiizaka Junzo 6
#5 Hoshino Kiyoshi 6
#6 Imai Toshikazu 6
#7 Kishimoto Akira 4
#8 Ogura Shinichi 3
#9 Ito Takahiro 2
#10 Hoshiba Tetsuro 1

Latest patents

Publication Filing date Title
JP2008154923A Table ware washing tool
AU2002238907A1 Coated powder, coating composition, and coated article
JP2000222615A Authenticity discriminating method, object of authenticity discrimination and autheticity discrimination device
JPH11240761A Porous rare earth element oxide ceramic and its intermediate and its production
KR20000016507A Colored magnetic toner and process for preparing the same
KR20000016506A Medical powder
KR20000016510A Multilayer coating powder
JPH07257941A Metal oxide film and production thereof
JPH0415489A Working medium for heat pipe
JPH02225321A Colored magnetic powder
JPH02146059A Blue type magnetic powder and manufacture of the same
JPH02130902A Black magnetic fluid
JPH0214829A Red magnetic powder and production thereof
JPH01315494A Magnetic fluid and colored magnetic fluid
JPH01305505A Magnetic fluid and coloring magnetic fluid
JPH01165104A Magnetic fluid