Toyota, Honda’s Motor Protection Patent Win Upheld by Fed. Cir.

Toyota Motor Corp., American Honda Motor Co., and Aisin Seiki Co. maintained their Patent Trial and Appeal Board win in a dispute over a patent covering a system to prevent coolants from corroding a motor, under a Friday ruling from the Federal Circuit.

An innovation of Intellectual Ventures II LLC’s patent had been disclosed in an earlier Japanese patent application, the court said in a nonprecedential opinion.

IV’s U.S. Patent No. 7,928,348 covers a system for keeping cooling liquids from touching a fluid-cooled electromagnetic device such as a motor, generator, or transformer to avoid corroding or damaging it. ...