Patent Leaderboard

USPTO Patent Rankings Data through Dec 31, 2025

Search Companies Inventors Cities States

Home › 4D transmitter

4D transmitter

US Patent D381647 · Granted Jul 29, 1997

Assignee

Silitek

Inventors

Jay Terng (6 patents)

View full patent text on Google Patents →

More Patents by These Inventors

Extended input device for portable wireless communication apparatus2004

Hand held keyboard2003

Microphone mounting structure of a keyboard1997

Data from USPTO via PatentsView — © 2026 Patent Leaderboard

Last updated: Dec 31, 2025 · Updated quarterly