Granted Patents on Signcryption

1. Yuliang Zheng: Digital Message Encryption and Authentication, Australian Patent Office Patent Number 721497, Priority Date: October 25, 1996, Accepted Journal Date: July 6, 2000.
2. Yuliang Zheng: Digital Message Encryption and Authentication, US Patent and Trademark Office Patent Number 6,396,928, Foreign Application Priority Date: October 25, 1996, Filed in US on October 24, 1997, Granted on May 28, 2002.

Patents/patent applications that cite the signcryption patents

Online Patent Search:

1. United States Patent and Trademark Office
2. FreePatentsOnline.com