Granted Patent
Utility
US 6,177,779 · App. 09/355,568
Device and method for processing information, battery pack, and transmitting medium
Inventor:
Yasuhito Eguchi
Patented Case
View Patent ↗
Granted: Jan 23, 2001
Filed: Sep 10, 1999
Inventor
Yasuhito Eguchi
Assignee (at issue)
SONY GROUP 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.