Janssen Pharmaceuticals, Inc. BrandsUpdated: November 8, 2013 Janssen Pharmaceuticals, Inc. manufacturers the following brands:Axert Ditropan Doribax Haldol Invega Levaquin Nizoral Nucynta Ortho Evra Parafon Forte DSC Reminyl Risperdal Sporanox Terazol 3 Terazol 7 Topamax Tylenol with Codeine Tylox Ultracet Ultram Xarelto GenericsBack to TopJanssen Pharmaceuticals, Inc. manufacturers the following generics:Almotriptan Chlorzoxazone Codeine Doripenem Ethinylestradiol Galantamine Haloperidol Itraconazole Ketoconazole Levofloxacin Oxybutynin Oxycodone Paliperidone Paracetamol Risperidone Rivaroxaban Tapentadol Terconazole Topiramate Tramadol