New scrutiny of Garmin’s patent portfolio is revealing how the company is exploring ways to bring blood sugar insights directly to the wrist.

A collection of related patent filings sheds new light on the company’s research into non-invasive HbA1c estimation, including technology for measuring glycated hemoglobin with optical sensors in a wearable device. The research comes as Apple and other smartwatch makers pursue their own approaches to bringing more metabolic health information to wearables.

The latest attention comes from a Tech Advisor report highlighting Garmin’s patent activity around the technology. While patents are no guarantee of a…

Read the full article at TECHREPUBLIC.COM