Patent Leaderboard

USPTO Patent Rankings Data through Dec 31, 2025

Search Companies Inventors Cities States

Home › Double-split cage

Double-split cage

US Patent 7229215 · Granted Jun 12, 2007

Assignee

Koyo Seiko Co.

Inventors

Kazuyuki Kotani (10 patents)

View full patent text on Google Patents →

More Patents by These Inventors

Mulching machine2022

Supporting structure of a seat for working vehicle2017

Supporting structure for excavator2015

Thrust roller bearing2011

Method of manufacturing a rocker arm1998

Rocker arm and method of manufacturing same1997

Data from USPTO via PatentsView — © 2026 Patent Leaderboard

Last updated: Dec 31, 2025 · Updated quarterly