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NIHON IYAKUHIN KOGYO CO LTD

Overview
  • Total Patents
    88
About

NIHON IYAKUHIN KOGYO CO LTD has a total of 88 patent applications. Its first patent ever was published in 1974. It filed its patents most often in Japan, EPO (European Patent Office) and United States. Its main competitors in its focus markets organic fine chemistry, environmental technology and pharmaceuticals are CRC RICERCA CHIM, NANJING YOKO BIOLOG PHARMACEUTICAL RES CO LTD and SANOCHEMIA LTD.

Patent filings in countries

World map showing NIHON IYAKUHIN KOGYO CO LTDs patent filings in countries

Patent filings per year

Chart showing NIHON IYAKUHIN KOGYO CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Nakamoto Yasumasa 42
#2 Futsukaichi Osamu 40
#3 Ishizuka Yoriyasu 25
#4 Miyamura Yoshio 19
#5 Ishizuka Naoyasu 15
#6 Kobayashi Keiko 13
#7 Fujii Masahiro 12
#8 Togashi Masahiro 12
#9 Ogawa Kanzan 11
#10 Hayashi Ichihiro 10

Latest patents

Publication Filing date Title
JPH11137640A Method for granulating crude medicines
JPH09249563A Tizanidin-containing composition
JPH07109226A Preventive and therapeutic agent for cancer
JPH0710756A Sustained release preparation of nicardipine hydrochloride
JPH0710758A Long acting cefaclor pharmaceutical preparation
JPH06135961A New diphynelpyrrolylfuran derivative
JPH0632737A Sustained release nifedipine preparation and its production
JPH0625230A Cephem derivative and its production
JPH05247015A New piperazine derivative
JPH03161460A Treating agent for improvement of pancreas function
JPH0259522A Improver for cerebral metabolism and/or mental symptom
EP0320532A1 Novel optically active carboxylic acid derivative l-lysine salt and process for production thereof
FI875522A0 Nytt optiskt aktivt l-lysinsalt av ett karboxylsyraderivat och foerfarande foer framstaellning av detsamma.
JPH01128975A Production of 1, 5-benzothiazepin derivative
JPS6461447A (+-)-or (+)-1-(2-n-substituted aminoethyl)-1-methyl-7-methoxy-1,2,3,4-tetrahydronaphthalene and production thereof
JPS63307866A Production of 1,5-benzothiazepine derivative
JPS6322556A Novel optically active carboxylic acid derivative l-lysine salt and its preparation
JPS6322044A 1,2-dihydronaphthalene derivative and production thereof
JPS632972A Novel prostaglandin e1 derivative and production thereof
JPS62294638A Novel benzoylpropionic acid derivative and production thereof