Granted Patent
Utility
US 6,040,591 · App. 09/046,766
Solid state imaging device having refractive index adjusting layer and method for making same
Inventor:
Youichi Otsuka
Patented Case
View Patent ↗
Granted: Mar 21, 2000
Filed: Mar 24, 1998
Inventor
Youichi Otsuka
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.