Patent_application_number,Applicant_name,Year_of_application,Patent_system
JP1998248581A,OTSUKA PHARMACEUTICAL,1998,JPO
JP1999178578A,OTSUKA PHARMACEUTICAL,1999,JPO
JP2010273647A,OTSUKA PHARMACEUTICAL,2010,JPO
JP2013051966A,OTSUKA PHARMACEUTICAL,2013,JPO