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NIPPON KANKO SHIKISO KENKYUSHO

Overview
  • Total Patents
    43
About

NIPPON KANKO SHIKISO KENKYUSHO has a total of 43 patent applications. Its first patent ever was published in 1974. It filed its patents most often in Japan, Germany and France. Its main competitors in its focus markets basic materials chemistry, optics and pharmaceuticals are NORMAN HULTON HADDOCK, DALIAN POLYTECHNICAL COLLEGE and HARMON COLORS CORP.

Patent filings in countries

World map showing NIPPON KANKO SHIKISO KENKYUSHOs patent filings in countries
# Country Total Patents
#1 Japan 40
#2 Germany 1
#3 France 1
#4 United States 1

Patent filings per year

Chart showing NIPPON KANKO SHIKISO KENKYUSHOs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yasui Shigeo 25
#2 Suga Sadaji 12
#3 Mitekura Hirofumi 8
#4 Ono Masashi 8
#5 Uchida Tatsuo 7
#6 Nakagawa Yoshinori 7
#7 Matsutani Kenzo 6
#8 Satsuki Makoto 6
#9 Hayamizu Masaaki 5
#10 Noguchi Riyouji 4

Latest patents

Publication Filing date Title
JPH1135463A Hemorrhoidal medicine for external use
JPH1129477A Treating medicine for aids
JPH1071212A Medical treatment device
JPH10204407A Ruthenocene compound
JPH09138502A Benzopyran ring condensed compound
JPH0925425A Sensitizing coloring matter for photopolymer comprising benzopyran ring condensed compound
JPH09208610A Photopolymerization initiator sensitizer
JPH09176120A Tridentate pyridyl pordand compound, agent for separating silver ion using the compound and silver ion recovery method
JPH08231511A Tricoordinated-type pyridylpordand derivative, silver ion separatory agent using the same and recovery of silver ion
JPH08259509A Benzoquinonimine-based compound
JPH07316147A Ketocoumarin derivative and photosensitization pigment for photopolymer comprising such derivative
JPH07144026A Cancer treating device by photoimmune treatment method
JPH07258566A Coumarin derivative and photopolymer-sensitizing colorant
JPH06287210A Sensitizing pigment for photopolymerization initiation system
JPH06240230A Light absorber for i-line
JPH06107549A Liquid obturation material for aneurysm
JPH06107719A Photopolymerization initiation-based sensitizer
JPH06192309A Sensitizing pigment for photo-polymerization initiation system
JPH069892A Coumarin derivative
JPH05239366A Functional dye having long chain alkyl group