| Marque de commerce | Titulaire de la marque |
|---|
| J-KEM | J-KEM Scientific |
| J.E. Weinel | J.E. Weinel |
| J.T. Baker | Mallinckrodt |
| Jackson™ Sécurité | Jackson Safety |
| JADE | Alltech Associates |
| Jasco | Jasco Corp. |
| Javelin | Thermo Fisher Scientific |
| Jazz Band | Moldex-Metric, Inc. |
| Jazz-Mix | Applied Scientific |
| JCAHO | Joint Commission on Accreditation of Healthcare Organizations |
| JCL | JCL Clinical Reasearch Corporation |
| JELL-O | Kraft Foods, Inc. |
| Jembec | Nalge Nunc International |
| Jencons | Jencons |
| Jeol | Jeol, Ltd. |
| Jeopardy! | Jeopardy Productions, Inc. |
| Jet Stix | Estes Industries |
| Jet Stream | Decon Laboratories |
| jetPRO | Thermo Fisher Scientific |
| Jewett | Thermo Fisher Scientific |
| Jiffy-Jack | Cole-Parmer Instrument Co. |
| Jitterbug | Boekel Scientific |
| Jobst | Jobst Institute, Inc |
| Joey | Owl Separation Systems |
| Johnson &Johnson | Johnson & Johnson |
| Jomac | Jomac Inc. |
| Jonathan Corey | Whispering Pines Sportswear, Inc. |
| Jordi | MicroSolv Technology Corp. |
| Jornada | Hewlett-Packard |
| Jouan | Jouan Inc. |
| Jr. | Streamlight, Inc. |
| JRT | Scott Paper Company |
| JumpStart | Thermo Fisher Scientific |
| Jun-60 | Technicon Instruments |
| Junkyard Dog | Perfect Fit Glove Co. |
| Junkyard Wars | Discovery Communications, Inc. |
| Il suffit d'ajouter de l'eau | Hach Co. |
| Justip | Socorex |
| JustOne | Fisher Scientific |
| JUSTPURE | Fisher Scientific |
| Justrite | Justrite Mfg. Co. |
| Justrite Aerovent | Justrite Mfg. Co. |
| JV | JV Manufacturing |
| JVC | Victor Company of Japan |