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KONICA CHEMICAL CORP

Overview
  • Total Patents
    21
About

KONICA CHEMICAL CORP has a total of 21 patent applications. Its first patent ever was published in 1998. It filed its patents most often in Japan and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets organic fine chemistry and environmental technology are Tianjin Bohai Vocational Technical College, TIANJIN KANGHONG PHARMACEUTICAL SCIENCE AND TECHNOLOGY DEV CO LTD and HUNAN OUYA BIOLOG CO LTD.

Patent filings in countries

World map showing KONICA CHEMICAL CORPs patent filings in countries

Patent filings per year

Chart showing KONICA CHEMICAL CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Takahashi Yasuhiro 8
#2 Tabuchi Kunihisa 6
#3 Ikeda Shin 6
#4 Shimozaki Takashi 3
#5 Sasaki Ryosuke 3
#6 Monma Yoshinari 3
#7 Honda Shigeru 3
#8 Watanabe Tomoko 2
#9 Sugita Shuichi 2
#10 Mizukura Noboru 2

Latest patents

Publication Filing date Title
JP2003286287A Method for producing high melting crystal of epinastine hydrochloride
JP2003286231A Method for etherifying 4-halogeno-2-nitrophenols
JP2003277335A Method for selectively alkylating 2-aminophenols
JP2003040855A Crystallization method for solid/liquid separation of fluorosuccinic acid compound
JP2002302491A Method for separating ester compound from acid catalyst
JP2002302493A Method for producing triazole-based compound
JP2002284796A Method for producing lisinopril dihydrate
JP2002284762A Method of producing indole derivative free from of aromatic amines as impurity
JP2002275163A Method for two equivalent yellow coupler purification
JP2002193896A Method for producing 2-benzylaniline
JP2002193940A PRODUCTION METHOD OF 6-AMINOMETHYL-6,11-DIHYDRO-5H- DIBENZ[b,e]AZEPINE
JP2002193939A PRODUCTION METHOD OF 6-AMINOMETHYL-6,11-DIHYDRO-5H- DIBENZ[b,e]AZEPINE
JP2002105133A Method for producing styrene-maleic anhydride copolymer
JP2001316348A New method for producing cyano group-containing cyan coupler
JP2001276603A Multifunctional treating device
JP2001288168A Method for producing indole derivative
JP2001166466A Method for producing naphthoquinonediazide photoreceptor material
JPH11322307A Modified inorganic oxide sol and its production
JPH11246519A Production of disulfides, photographic pyrazolone type active-site-substituted coupler, and its production
JPH11211709A Method for purifying organic compound and column chromatographic separation purification apparatus