Issued Patents All Time
Showing 25 most recent of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12078090 | Oil filter housing and assembly | Danny Le | 2024-09-03 |
| 11022330 | Three-way heat exchangers for liquid desiccant air-conditioning systems and methods of manufacture | Mark Allen, Scott N. Rowe, Shawn Montgomery, Mark D. Rosenblum, Peter Luttik +1 more | 2021-06-01 |
| 9806902 | Scalable framework for monitoring machine-to-machine (M2M) devices | Ashok N. Srivastava, Kalyan Pamarthy, Santanu Das, Yunzhu CHEN, Xuepeng Sun | 2017-10-31 |
| 8788825 | Method and apparatus for key management for various device-server configurations | Andrea Maria Mazzario, Elliot Schwartz | 2014-07-22 |
| RE38375 | Method and system for the secured distribution of multimedia titles | Amir Herzberg, Hugo M. Krawczyk, Shay Kutten, Stephen M. Matyas, Marcel Mordechay Yung | 2003-12-30 |
| 6390374 | System and method for installing/de-installing an application on a smart card | Todd Alan Carper, David Hemmo | 2002-05-21 |
| 6283143 | System and method for providing an integrated gas stick | Richard Adachi | 2001-09-04 |
| 5883956 | Dynamic configuration of a secure processing unit for operations in various environments | William Sweet, Howard C. Herbert | 1999-03-16 |
| 5745678 | Method and system for the secured distribution of multimedia titles | Amir Herzberg, Hugo M. Krawczyk, Shay Kutten, Stephen M. Matyas, Marcel Mordechay Yung | 1998-04-28 |
| 5434870 | Apparatus and method for verifying the authenticity of a circuit board | Michael K. Benton | 1995-07-18 |
| 5432849 | Secure cryptographic operations using control vectors generated inside a cryptographic facility | Donald B. Johnson, Stephen M. Matyas, Rostislaw Prymak, John D. Wilkins | 1995-07-11 |
| 5414833 | Network security system and method using a parallel finite state machine adaptive active monitor and responder | Paul C. Hershey, Donald B. Johnson, Stephen M. Matyas, John G. Waclawsky, John D. Wilkins | 1995-05-09 |
| 5323464 | Commercial data masking | Robert C. Elander, Christopher J. Holloway, Donald B. Johnson, Michael J. Kelly, Paul G. Lubold +2 more | 1994-06-21 |
| 5319705 | Method and system for multimedia access control enablement | Bernard J. Halter, Alphonse M. Bracco, Donald B. Johnson, Stephen M. Matyas, Rostislaw Prymak +2 more | 1994-06-07 |
| 5301231 | User defined function facility | Dennis G. Abraham, Daniela Henningsmeyer, John M. Hudson, Donald B. Johnson, Stephen M. Matyas +1 more | 1994-04-05 |
| 5265164 | Cryptographic facility environment backup/restore and replication in a public key cryptosystem | Stephen M. Matyas, Donald B. Johnson, Rostislaw Prymak, William C. Martin, William S. Rohland +1 more | 1993-11-23 |
| 5200999 | Public key cryptosystem key management based on control vectors | Stephen M. Matyas, Donald B. Johnson, Rostislaw Prymak, William C. Martin, William S. Rohland +1 more | 1993-04-06 |
| 5201000 | Method for generating public and private key pairs without using a passphrase | Stephen M. Matyas, Donald B. Johnson, Rostislaw Prymak, John D. Wilkins | 1993-04-06 |
| 5164988 | Method to establish and enforce a network cryptographic security policy in a public key cryptosystem | Stephen M. Matyas, Donald B. Johnson, Rostislaw Prymak, William C. Martin, William S. Rohland +1 more | 1992-11-17 |
| 5142578 | Hybrid public key algorithm/data encryption algorithm key distribution method based on control vectors | Stephen M. Matyas, Donald B. Johnson, Rostislaw Prymak, John D. Wilkins, William C. Martin +1 more | 1992-08-25 |
| 5103478 | Secure management of keys using control vectors with multi-path checking | Stephen M. Matyas, Dennis G. Abraham, Donald B. Johnson, Ramesh K. Karne, Patrick McCormack +2 more | 1992-04-07 |
| 5073934 | Method and apparatus for controlling the use of a public key, based on the level of import integrity for the key | Stephen M. Matyas, Donald B. Johnson, William C. Martin, Rostislaw Prymak, William S. Rohland +1 more | 1991-12-17 |
| 5007089 | Secure key management using programable control vector checking | Stephen M. Matyas, Donald B. Johnson, William C. Martin, Rostislaw Prymak, John D. Wilkins | 1991-04-09 |
| 4993069 | Secure key management using control vector translation | Stephen M. Matyas, Dennis G. Abraham, Donald B. Johnson, Rostislaw Prymak, John D. Wilkins +1 more | 1991-02-12 |
| 4941176 | Secure management of keys using control vectors | Stephen M. Matyas, Dennis G. Abraham, Donald B. Johnson, Ramesh K. Karne, Rostislaw Prymak +3 more | 1990-07-10 |