Learn more

EISAI CO LTD

Overview
  • Total Patents
    5,862
  • GoodIP Patent Rank
    170,548
  • Filing trend
    ⇩ 40.0%
About

EISAI CO LTD has a total of 5,862 patent applications. It decreased the IP activity by 40.0%. Its first patent ever was published in 1961. It filed its patents most often in Japan, United States and EPO (European Patent Office). Its main competitors in its focus markets pharmaceuticals, organic fine chemistry and machines are CHOI SEOK-KI, ASTRA PHARMA INC and RECORDATI CHEM PHARM.

Patent filings per year

Chart showing EISAI CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yamatsu Isao 389
#2 Abe Shinya 298
#3 Machida Yoshimasa 240
#4 Suzuki Takeshi 215
#5 Negi Shigeto 215
#6 Souda Shigeru 200
#7 Minami Norio 191
#8 Ikuta Hironori 178
#9 Miyazawa Shuhei 172
#10 Nomoto Seiichiro 168

Latest patents

Publication Filing date Title
AU2017268504A1 Dosing regimens for the treatment of fungal infections
CA2986854A1 Dosing regimens for the treatment of fungal infections
US2010093842A1 Laulimalide Analogs and Uses Thereof
WO2008062320A2 Extended release formulations of a proton pump inhibitor
US2008070944A1 Novel methods using aminobenzoic acid compounds
US2008275089A1 Compositions and methods to treat gastrointestinal disorders
US2008015199A1 Triazolone derivatives
US2007292418A1 Compositions and methods for immunotherapy
WO2007061874A2 Methods and compositions for use in treating cancer
US2006246003A1 Composition containing anti-dementia drug
TW200724140A Hydantoin compounds
WO2007031879A2 Lipid a analogs for treating oral and gastrointestinal mucositis
AU2006244450A1 Unsolvated and host-guest solvated crystalline forms of (2E,4S)-4-[(N-{[(2R)-1-isopropylpiperidin-2-yl]-carbonyl}-3-methyl-L-valyl)(methyl)amino)-2,5-dimethylhex-2-enoic acid and their pharmaceutical uses
WO2006116423A2 Compositions and methods for cancer immunotherapy
US2007015782A1 Benzimidazole compound
WO2006109876A1 Agent for treating involuntary movement
CN101511186A Dihydropyridine compounds and compositions for headaches
JP2006308576A Method and kit for detecting papilla mucous gland cancer in pancreatic duct and pancreatic cancer by pancreatic juice
WO2006090932A1 Surrogate marker for sulfonamide compound
JP2006136745A Mouth piece for medicinal bottle