Patent_application_number,Applicant_name,Year_of_application,Patent_system JP2000516093A,AMGEN,2000,JPO JP2001519142A,AMGEN,2001,JPO JP2004528008A,AMGEN,2004,JPO JP2006223311A,AMGEN,2006,JPO JP2008283980A,AMGEN,2008,JPO JP2010279360A,AMGEN,2010,JPO