Granted Patent
Utility
US 6,767,105 · App. 10/205,447
Planar lighting device
Inventors:
Sumio Nakahashi, Hirozumi Taguchi, Nozomu Bitou, Masaya Suzuki
Patented Case
View Patent ↗
Granted: Jul 27, 2004
Filed: Jul 26, 2002
Inventors
Sumio Nakahashi
Hirozumi Taguchi
Nozomu Bitou
Masaya Suzuki
Assignees (at issue)
Nissen Chemitec Corporation
Nippon Chemitec 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.