Skip to content

Patent Leaderboard

USPTO Patent Rankings Data through Dec 31, 2025

Search Companies Universities Inventors Cities States Technologies Top Patents Inventor 500

Select ranking year

Home › Speaker box

Speaker box

US Patent D542775 · Granted May 15, 2007

Assignee

Sony

Inventors

Yasuo Yuyama (31 patents)

View full patent text on Google Patents →

More Patents by These Inventors

Headphone device2012

Radio receiver2009

Combined disc player and amplifier2007

Speaker box2007

Combined disc player and amplifier2007

Combined disc player and amplifier2007

Audio player2007

Speaker box2007

Speaker box2007

Data from USPTO via PatentsView — About — Embed & Press Kit — © 2026 Patent Leaderboard

Last updated: Dec 31, 2025 · Updated quarterly