Granted Patent
Utility
US 6,525,792 · App. 09/328,407
Diffusing reflector and manufacture of the same and reflection type display apparatus
Inventors:
Takayuki Fujioka, Hideo Kataoka, Tetsuo Urabe
Patented Case
View Patent ↗
Granted: Feb 25, 2003
Filed: Jun 9, 1999
Inventors
Takayuki Fujioka
Hideo Kataoka
Tetsuo Urabe
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.