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ZH NIHON KAGAKU SENI KENKYUSHO

Overview
  • Total Patents
    24
About

ZH NIHON KAGAKU SENI KENKYUSHO has a total of 24 patent applications. Its first patent ever was published in 1959. It filed its patents most often in United Kingdom, Canada and France. Its main competitors in its focus markets macromolecular chemistry and polymers are POLLAK FRITZ DR, KOMORA LADISLAV and CABLURI SI MATERIALE ELECTROIZ.

Patent filings in countries

World map showing ZH NIHON KAGAKU SENI KENKYUSHOs patent filings in countries
# Country Total Patents
#1 United Kingdom 7
#2 Canada 5
#3 France 5
#4 United States 3
#5 Belgium 2
#6 Germany 2

Patent filings per year

Chart showing ZH NIHON KAGAKU SENI KENKYUSHOs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Furukawa Junji 11
#2 Saegusa Takeo 11
#3 Imai Hirosuke 6
#4 Tsuruta Teiji 4
#5 Takeo Saegusa 3
#6 Fujii Hiroyasu 3
#7 Junji Furukawa 3
#8 Fujh Hiroyasu 1
#9 Hirosuke Imai 1
#10 Hiroyasu Fujii 1

Latest patents

Publication Filing date Title
GB1018116A Method of polymerization of oxetane and derivatives thereof
GB1020027A Polymerization of tetrahydrofuran
GB994231A Method of the preparation of stable aldehyde polymers
GB1024815A A method of polymerization of oxacyclobutane and substituted derivatives thereof
GB911819A Polymerization of aldehyde by metal alkoxide
US3183210A Polymerization of aldehyde by organometallic compound
US3094509A Method of preparing acetaldehyde polymers
CA634440A Method of preparing acetaldehyde polymers
CA790674A Method of polymerization of oxacyclobutane and substituted derivatives thereof
CA764566A Polymerization of tetrahydrofuran
CA764565A Method of polymerization of oxetane and derivatives thereof
CA714631A Method of the preparation of stable aldehyde polymers