Technology giant Philips Healthcare (NYSE:PHG) is 1 of the newest companies pledging to open up the data gathered by its medical devices in the interest of patient safety, MassDevice.com learned today.

Philips Healthcare Patient Care & Clinical Informatics CEO Mike Mancuso was on-site during this weekend’s Patient Safety, Science & Technology Summit where healthcare stakeholders gathered to discuss how to prevent medical errors that result in patient death and injury.

Philips is 1 of 20 medical device companies joining the movement, MassDevice confirmed. The full list is not slated to be revealed until later this evening. The new companies bring the total to 29 device makers signed on to the open data pledge, including Patient Safety Movement backer Masimo (NSDQ:MASI).

During last year’s summit the Patient Safety Movement announced that it had the backing of 9 medtech companies, including GE Healthcare Systems (NYSE:GE), Cerner (NSDQ:CERN), Dräger Medical (PINK:DRWKF), Smiths Medical, Zoll Medical (NSDQ:ZOLL), Fujifilm Holdings (TSE:4901) subsidiary SonoSite, Patient Safety Technologies (OTC:PSTX) subsidiary Surgicount and Cercacor.

In addition to the medtech partners, the foundation has tallied more than 100 members among hospital groups, clinicians, engineers and the Joint Commission Center for Transforming Healthcare, which co-convened this year’s Patient Safety, Science and Technology Summit in Laguna Beach, Calif.

Philips is a giant in the technology world Philips Healthcare holds an equally significant position in the medical technology arena. The group develops technologies for imaging, defibrillation, diagnostics monitoring and a host of other devices. Philips Healthcare reported earnings before interest, taxes and amortization of €329 million (about $449.8 million) on sales of €2.26 billion ($3.09 billion) for its 3rd quarter.