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DAITO KOEKI

Overview
  • Total Patents
    66
About

DAITO KOEKI has a total of 66 patent applications. Its first patent ever was published in 1975. It filed its patents most often in Japan, EPO (European Patent Office) and United States. Its main competitors in its focus markets environmental technology, organic fine chemistry and pharmaceuticals are MERCIAN CORP, SANKYO LIFETECH CO LTD and MENARINI LAB.

Patent filings in countries

World map showing DAITO KOEKIs patent filings in countries

Patent filings per year

Chart showing DAITO KOEKIs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Fujimori Yukio 37
#2 Kondou Hiroyuki 20
#3 Matsumura Takumi 20
#4 Kawahara Hiroshi 13
#5 Ootsuka Yasunobu 12
#6 Shimazaki Takeshi 9
#7 Tani Katsuya 7
#8 Shinohara Tatsuo 7
#9 Kondo Hiroyuki 7
#10 Koyagi Yasuhiro 6

Latest patents

Publication Filing date Title
JPH0317059A Novel 1,4-dihydropyridine derivative and production thereof
JPH02312593A Method for carrying out asymmetric reduction reaction of ketones by bread yeast
JPH02304054A Novel anilide derivative and its production
JPH02237913A Sustained release preparation
JPH02157271A Preparation of aromatic carbon-carbon bond compound
JPH02157289A Production of compound linked through aromatic c-glycoside bond
JPH0236123A Long-active morphine preparation for rectal application
JPS6468388A Production of aromatic c-glycoside-binding compound
JPS6468365A Production of compound having aromatic carbon-carbon bond
JPS5984823A Anti-inflammatory and analgesic agent composition
JPS5946208A Antibacterial composition
JPS5946223A Antibacterial composition
JPS58150594A Preparation of xanthine derivative
JPS58189160A N-isopropyl-2-hydroxy-3-(4-indoloxy)propionamide and preparation of indole derivative using the same
JPS57212183A Preparation of xanthine derivative
JPS57200391A 1-(5-oxo-2-hexenyl)3,7-dimethylxanthine
JPS57200390A Preparation of xanthine derivative
JPS57126471A Production of 4-(3-isopropylamino-2-hydroxypropoxy)indole
JPS5721371A Quinolinoneiminecarboxylic ester derivative, its preparation and anti-inflammatory and analgesic agent composition containing the same
JPS56147787A Preparation of theobromine derivative