Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Method for production of glass preform for optical fibers

Method for production of glass preform for optical fibers

US Patent 4812155 · Granted Mar 14, 1989

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Near-infrared light emitting semiconductor element and method for manufacturing 2025
Radiation imaging apparatus and radiation imaging system2025
Radiation detection apparatus and output method2025
Apparatus and system2024
Radiation detection apparatus and output method2024
Electrostatic input apparatus and input determination method2024
Radiation detection apparatus and output method2023
Radiation device and emission cooling device2023
Electrostatic coordinate input device and electrostatic coordinate calculation m2023
Optical component, optical connection component with graded index lens, and meth2022
Coordinate input device and coordinate calculation method2022
Radiation imaging apparatus and radiation imaging system2022