US Patent Issued to Jagrat Natavar Dave on Dec. 23 for "Diffractive multifocal implantable lens device" (Indian Inventors)

ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,502,268, issued on Dec. 23, was assigned to Jagrat Natavar Dave (Vadodara, India).

"Diffractive multifocal implantable lens device" was invented by Munavvar Tahir Hussain (Vadodara, India) and Sanjay Ram Swaroop Argal (Vadodara, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "An implantable lens device has a diffractive surface defining an optical axis. The diffractive surface comprises a relief pattern extending concentrically on the surface and having a sequence of annular concentric steps characterized by alternating heights, wherein an innermost step of the relief pattern has a largest height among all other steps."

The patent was filed on Oct...