Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Gradient index aspherical lens

Gradient index aspherical lens

US Patent 5986818 · Granted Nov 16, 1999

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Head-up display apparatus2021
Virtual image display optical system and image display device2020
Condenser lens for an objective lens system2011
Optical pickup apparatus with objective optical system and guiding optical syste2011
Optical pickup apparatus2010
Objective optical system for optical pickup apparatus, optical pickup apparatus,2009
Light source apparatus provided with beam shaping element and optical pick-up ap2009
Objective optical element and optical pickup apparatus2009
Multi-focus objective lens, optical pickup apparatus and optical information rec2008
Beam shaping device2008
Beam shaping device2006
Objective lens system for optical pickups2005