IP Library Granted Patent US 6,834,027
Granted Patent Utility
US 6,834,027 · App. 09/721,694

Surface plasmon-enhanced read/write heads for optical data storage media

Inventors: Mitsuhito Sakaguchi, Tineke Thio, Richard A. Linke, Thomas Ebbesen, Henri J. Lezec
Patented Case View Patent ↗
Granted: Dec 21, 2004 Filed: Nov 27, 2000
Inventors
Mitsuhito Sakaguchi
Tineke Thio
Richard A. Linke
Thomas Ebbesen
Henri J. Lezec
Assignee (at issue)
NEC Laboratories America, Inc.

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 6,834,027
App. No.
09/721,694
Filed
2000-11-27
Granted
2004-12-21
Kind
B1