Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Focus control apparatus for multilayer optical recording medium

Focus control apparatus for multilayer optical recording medium

US Patent 6147942 · Granted Nov 14, 2000

Estimated economic value: $61,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Graphic sheet and lighting system using graphic sheet2025
Riblet structure and object2025
Method for manufacturing glass panel unit2025
Optical sensor and sheet recognition unit2025
Raising/lowering movement control system and raising/lowering movement control m2025
Etching method and etching apparatus2025
Liquid crystal display device2025
Detection device2025
Ultrasound diagnostic apparatus2025
Method for manufacturing oxygenator2025
Semiconductor laser driving apparatus, electronic equipment, and manufacturing m2025
Conveyance seat2025