{"@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [{"@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.patentleaderboard.com/"}, {"@type": "ListItem", "position": 2, "name": "Fiber optic coupling filter and amplifier", "item": "https://www.patentleaderboard.com/patent/5067789"}]}
Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Fiber optic coupling filter and amplifier

US Patent 5067789 · Granted Nov 26, 1991

Estimated economic value: $18,265,000

Assignee

Inventors

View full patent text on Google Patents →