IP Library › Granted Patent US 5,519,652
Granted Patent Utility
US 5,519,652 · App. 08/158,796

Nonvolatile semiconductor memory for positively holding stored data

Inventors: Sinsuke Kumakura, Yasushige Ogawa, Takao Akaogi, Tetsuya Chida
Patented Case View Patent ↗
Granted: May 21, 1996 Filed: Dec 1, 1993
Inventors
Sinsuke Kumakura
Yasushige Ogawa
Takao Akaogi
Tetsuya Chida
Assignees (at issue)
Fujitsu Limited
Fujitsu VLSI Limited

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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 5,519,652
App. No.
08/158,796
Filed
1993-12-01
Granted
1996-05-21
Kind
A