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OKAWA KENJI

Overview
  • Total Patents
    13
About

OKAWA KENJI has a total of 13 patent applications. Its first patent ever was published in 1974. It filed its patents most often in Japan. Its main competitors in its focus markets environmental technology are HANGZHOU NORMAL COLLEGE, NII UDOBRENIJAM I INSEKTOFUNGITSIDAM IM PROF JA V SAMOJLOVA OAO NIUIF AOOT and INST DE METALE NEFEROASE SI RA.

Patent filings in countries

World map showing OKAWA KENJIs patent filings in countries
# Country Total Patents
#1 Japan 13

Patent filings per year

Chart showing OKAWA KENJIs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Ookawa Kenji 11
#2 Nakashima Kiichirou 6
#3 Iwai Michio 3
#4 Nakajima Kiichirou 3
#5 Yamada Shinichi 2
#6 Okawa Kenji 2
#7 Neya Masahiro 2
#8 Nakajima Kiichiro 1
#9 Shinpo Kuniaki 1
#10 Tanaka Takumi 1

Latest patents

Publication Filing date Title
JPH11171055A Outer parts fitting device for vehicle
JPS61143400A Peptide like actinomycin d
JPS5967259A Preparation of n-containing 3- or 5-membered cyclic compound
JPS5962563A Elimination of protecting group of n-protected aziridine derivative
JPS58164566A Production of cystine
JPS57175149A Novel synthesis of dipeptide
JPS57175151A Synthesis of diamino acid derivative
JPS57175150A Synthesis of dipeptide containing methylene group
JPS57159747A Synthesis of amino acid derivative
JPS57156447A Ether compound and its synthesis
JPS54144362A Manufacture of actinomycin d synthesis intermediate
JPS51138669A Process for preparing n-acylaziridine derivatives
JPS5175061A 22 okisazorinjudotaino seizoho