Granted Patent
Utility
US 6,246,709 · App. 09/087,907
Integrated optical element and method for manufacturing an integrated optical element
Inventors:
Saeko Oshiba, Koji Nakamura, Hideaki Horikawa
Patented Case
View Patent ↗
Granted: Jun 12, 2001
Filed: Jun 1, 1998
Inventors
Saeko Oshiba
Koji Nakamura
Hideaki Horikawa
Assignee (at issue)
OKI ELECTRIC INDUSTRY CO., LTD.
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.