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TOHKEM PROD KK

Overview
  • Total Patents
    19
About

TOHKEM PROD KK has a total of 19 patent applications. Its first patent ever was published in 1991. It filed its patents most often in Japan. Its main competitors in its focus markets organic fine chemistry and environmental technology are INST NEFTEKHIMII I KATALIZA S, QINGDAO DONGFANG RECYCLING ENERGY CORP and FUSHUN PETROCHEMICAL INST CN PETROCHEMICAL CORP.

Patent filings in countries

World map showing TOHKEM PROD KKs patent filings in countries
# Country Total Patents
#1 Japan 19

Patent filings per year

Chart showing TOHKEM PROD KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Nishiyama Tatsuo 5
#2 Tsunashima Makoto 4
#3 Muraoka Kazuyoshi 3
#4 Sato Yukio 3
#5 Omori Kota 2
#6 Yasumatsu Hitoshi 2
#7 Yoneda Norihiko 2
#8 Kurumaya Mitsuo 2
#9 Fukuhara Tsutomu 2
#10 Kaneko Hiroyuki 2

Latest patents

Publication Filing date Title
JPH1111948A Stable anatase type titanium dioxide
JPH09176514A Organic pigment having modified surface and production thereof
JPH09302258A Highly dispersible functional powder and production thereof
JPH09268014A Method for treating fine powder surface and surface treated fine powder
JPH09143139A Production of cyanofluorophenol
JPH09124319A Titanium dioxide powder having high masking ability and its production
JPH0920697A Production of aromatic fluoro compound
JPH08259727A Method for restoring light-transmitting material
JPH08157212A Potassium fluoroaluminate columnar particle, its production and flux composed of the same
JPH07252172A Production of aromatic fluorine compound
JPH06212143A Reactive surface-modifying agent and its production
JPH06158375A Production of organic matter thin film
JPH06136101A Production of thin film of organic substance
JPH06100492A Production of 2-chloro-4,5-difluorobenzoic acid
JPH06100547A Fluorine-containing benzoxazlole derivative and its production
JPH06219998A Production of fluorinated organic quaternary ammonium salt
JPH04361895A Flux for brazing aluminum and production thereof
JPH05168844A Method for extracting perfluoroalkylsulfonic acid fluoride
JPH05168843A Method for collecting perfluoroalkylsulfonic acid fluoride