Chaotic digital code-division multiple access (CDMA) communication systems
Tao Yang and Leon O. Chua
U.S. Patent 6,331,974. December 2001

CNN programmable topographic sensory device
Frank S. Werblin, Tamas Roska and Leon O. Chua
U.S. Patent 5,717,834. February 1998

Reprogrammable CNN and supercomputer
Tamas Roska and Leon O. Chua
U.S. Patent 5,355,528. October 1994

Cellular neural network
Leon O. Chua and Lin Yang
U.S. Patent 5,140,670. August 1992

Real-time N-dimensional analog signal rotator
Leon O. Chua and Isutomu Sugawara
U.S. Patent 4,819,200. April 1989

Linear active two-port network for expanding or compressing characteristic curve of two-terminal device
Leon O. Chua
U.S. Patent 3,619,650. November 1971

Linear active network device for tranforming one class nonlinear devices into another
Leon O. Chua
U.S. Patent 3,603,903. September 1971

Linear active two-port network wherein nonlinear impedance characteristic at one port is reflected through predetermined angle at second port
Leon O. Chua
U.S. Patent 3,538,462. November 1970

Linear active network that rotates a nonlinear resistor characteristic through a predetermined angle
Leon O. Chua
U.S. Patent 3,454,908. July 1969