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TOKYO KAGAKU KENKYUSHO KK

Overview
  • Total Patents
    26
About

TOKYO KAGAKU KENKYUSHO KK has a total of 26 patent applications. Its first patent ever was published in 1984. It filed its patents most often in Japan, WIPO (World Intellectual Property Organization) and Australia. Its main competitors in its focus markets basic materials chemistry and environmental technology are ZABAJKALSKIJ KOMPLEKSNYJ NII, INT DRILLING FLUIDS LTD and TURKMENSKIJ NI PVNII PRIRODNYK.

Patent filings per year

Chart showing TOKYO KAGAKU KENKYUSHO KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Moriyama Hirofumi 23
#2 Moriyama Tomofumi 23
#3 Goto Teruo 12
#4 Kobayashi Yukie 8
#5 Moriyama Bunzo 6
#6 Kanda Tsutomu 4
#7 Azuma Susumu 1
#8 Kodera Yoshihide 1
#9 Umetsu Yosuke 1
#10 Yamabe Toshiyuki 1

Latest patents

Publication Filing date Title
JP2006036943A Orange fluorescent material
JP2002008592A Fluorescent lamp luminescent over three wavelength bands
JP2001200249A Oxidation-resistant phosphor and production method therefor
JP2001019952A Red fluorescent substance and three-wavelength region luminous fluorescent lamp
JP2000290647A Green color-emitting aluminate-based fluorescent substance
JP2000169844A Zinc/manganese-substituted cerium magnesium aluminate fluophor
JP2000154382A Production of aluminate-based fluorescent material
WO9842797A1 Process for producing aluminate phosphor
WO9806793A1 Process for the preparaiton of aluminate-base phosphor
JPH10273656A Production of aluminate-based fluorescent substance
JPH10265775A Production of aluminate salt fluorescent substance having afterglow characteristic
JPH1053762A Production of aluminate phosphor for photostimulable material
JPH1053760A Production of aluminate phosphor
WO9632457A1 Phosphor with afterglow characteristic
JPH0940946A Molded phosphor having afterglow characteristics
JPH08199164A Rare earth metal oxide-magnesium fluorescent substance
JPH083549A Europium-activating fluorescent substance
JPH07268320A Aluminate-based fluorescent substance
JPH07197022A Stimulable borate phosphor
JPH06248264A Aluminate-based fluorescent substance