Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Objective lens for optical pick-up head of optical disk drive

Objective lens for optical pick-up head of optical disk drive

US Patent 5777803 · Granted Jul 7, 1998

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

VR equipment2025
Variable focus flashlight module2025
Dynamic focusing confocal optical scanning system2019
Microscope monitoring device and system thereof2018
Voice coil motor array module2016
Manufacturing-process equipment2013
Optical equipment and registration method2013
Fluorescence microscopy imaging system2013
Electromagnetic actuator of optical pickup head2012
Medium for storing subtitle data structure of an audio/ video program and method2010
Optical pickup head and electromagnetic actuating device thereof2010
Wireless network device with a signal detection function and switching method fo2009