Internally shunted Josephson junction device
Theodore Van Duzer, Xiaoxan Meng, Nathan Newman, Lei Yu and Anupama Bhat Kaul
U.S. Patent 6,734,454. May 2004

High-temperature superconducting Josephson devices having a barrier layer of a doped, cubic crystalline, conductive oxide material
David K. Chin and Theodore Van Duzer
U.S. Patent 5,627,139. May 1997

Devices comprised of discrete high-temperature superconductor chips disposed on a surface
Theodore Van Duzer
U.S. Patent 5,215,959. June 1993