Granted Patent
Utility
US 6,597,012 · App. 10/135,379
Organic electroluminescent device
Inventors:
Junji Kido, Yoshiharu Sato
Patented Case
View Patent ↗
Granted: Jul 22, 2003
Filed: May 1, 2002
Inventors
Junji Kido
Yoshiharu Sato
Assignees (at issue)
Junji Kido
MITSUBISHI CHEMICAL 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.