IP Library › Granted Patent US 6,633,122
Granted Patent Utility
US 6,633,122 · App. 09/226,854

Electroluminescence device with multiple laminated bodies having common materials and process for producing the same

Inventors: Yasunori Kijima, Shinichiro Tamura
Patented Case View Patent ↗
Granted: Oct 14, 2003 Filed: Jan 7, 1999
Inventors
Yasunori Kijima
Shinichiro Tamura
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.

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 6,633,122
App. No.
09/226,854
Filed
1999-01-07
Granted
2003-10-14
Kind
B2