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 › Key unit with support frame

Key unit with support frame

US Patent 7834284 · Granted Nov 16, 2010

Assignee

Sunarrow

Inventors

Yuichi Iohara (2 patents)

View full patent text on Google Patents →

More Patents by These Inventors

Key unit with reinforcing plate2008

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

Last updated: Dec 31, 2025 · Updated quarterly