Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Information recording element

Information recording element

US Patent 4675227 · Granted Jun 23, 1987

Estimated economic value: $936,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Optical recording element1988
Optical recording disc1982
Optical recording disc1982
Optical recording medium and method of optically recording information thereon1981
Optical recording medium and method of optically recording information thereon1981
Information-recording element having a dye-containing auxiliary layer1980
Information-recording element having a dye-containing auxiliary layer1980