Toyota Motor Corp. filed petitions seeking to cancel seven General Electric Co. patents related to hybrid and electric vehicle power, according to Oct. 31 filings with the Patent Trial and Appeal Board.
The petitions claim that GE received patents on technology that was “already well known” by researchers, so they shouldn’t have issued.
Toyota says there is no litigation with GE over the patents, which cover things like energy storage and management, a battery heating technique in a hybrid vehicle, and a hybrid propulsion system.
The patents are Nos. 9,821,668; 9,809,121; 8,409,052; 8,378,623; 8,118,237; 7,723,932; and 6,555,991.
The PTAB will...