Granted Patent
Utility
US 5,918,231 · App. 08/606,804
Object-oriented database management system with improved usage efficiency of main memory
Inventor:
Yoshitaka Yasumura
Patented Case
View Patent ↗
Granted: Jun 29, 1999
Filed: Feb 26, 1996
Inventor
Yoshitaka Yasumura
Assignee (at issue)
NEC CORPORATION
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.