Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Optical recording medium, its preparation and its use as a read only memory information carrier

Optical recording medium, its preparation and its use as a read only memory information carrier

US Patent 4829509 · Granted May 9, 1989

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Thickness measuring system and method2025
Heteroleptic carbene complexes and the use thereof in organic electronics2025
Highly efficient OLED devices with very short decay times2025
Product having ultraviolet radiation protection2024
Heteroleptic carbene complexes and the use thereof in organic electronics2024
Metal complexes comprising diazabenzmidazolocarbene ligands and the use thereof 2023
Highly efficient OLED devices with very short decay times2023
Benzimidazo[1,2-a]benzimidazole derivatives for electronic applications2023
Monosubstituted diazabenzimidazole carbene metal complexes for use in organic li2023
4H-imidazo[1,2-a]imidazoles for electronic applications2022
2-phenylphenoxy-substituted perylene bisimide compounds and their use2022
Metal complexes comprising diazabenzmidazolocarbene ligands and the use thereof 2022