DC

David Yu Chang

IBM: 52 patents #1,616 of 70,183Top 3%
Caterpillar: 20 patents #188 of 8,398Top 3%
📍 Edwards, IL: #1 of 19 inventorsTop 6%
🗺 Illinois: #368 of 84,256 inventorsTop 1%
Overall (All Time): #27,703 of 4,157,543Top 1%
72
Patents All Time

Issued Patents All Time

Showing 51–72 of 72 patents

Patent #TitleCo-InventorsDate
6898717 Network domain with secured and unsecured servers John Buslawski, Robert Howard High, Jr., Derek Ho 2005-05-24
6769385 System for controlling engine valve seating velocity 2004-08-03
6708656 Engine valve actuator 2004-03-23
6704765 System for allocating resources among agent processes George P. Copeland, Ambuj Goyal, Marc Gregory Smith 2004-03-09
6687831 Method and apparatus for multiple security service enablement in a data processing system Virgil A. Albaugh, Messaoud Benantar, John Buslawski, Robert Howard High, Jr. 2004-02-03
6397383 Constraint language parser which rejects invalid filter constraint during run time Ajay Reddy Karkala, John S. Wang 2002-05-28
6360717 Fuel injection system and a method for operating David C. Mack 2002-03-26
6292825 Service application with pull notification Ajay Kumar Reddy Karkala, John S. Wang 2001-09-18
6286025 Method and system of process identification by user defined process variables 2001-09-04
6272554 Method and apparatus for a corba typecode data manipulator Scott Hinkelman 2001-08-07
6240453 Managing unused resources in a service application John S. Wang 2001-05-29
5870753 Method and apparatus for enabling a persistent metastate for objects in an object oriented environment Robert Howard High, Jr., Russell Ley Newcombe, Ashvin Radiya 1999-02-09
5870742 Method and apparatus for enabling persistent attributes in an object oriented environment Robert Howard High, Jr., Russell Newcombe 1999-02-09
5802383 Method and apparatus for displaying clusters on a computer network Shih-Gong Li 1998-09-01
5724065 Float to surface display Shih-Gong Li 1998-03-03
5706516 System for communicating messages among agent processes Marc Gregory Smith 1998-01-06
5675798 System and method for selectively and contemporaneously monitoring processes in a multiprocessing server 1997-10-07
5636376 System and method for selectively and contemporaneously monitoring processes in a multiprocessing server 1997-06-03
5602563 Float to surface display Shih-Gong Li 1997-02-11
5542040 Display of dynamic data as a notebook Shih-Gong Li 1996-07-30
5535403 Method and apparatus for displaying clusters on a computer network Shih-Gong Li 1996-07-09
5504886 System and method for applying user supplied relation definitions to application files for a relational database Timothy R. Malkemus 1996-04-02