Granted Patent
Utility
US 6,578,764 · App. 09/521,193
Method of controlling manufacturing process of photoelectric conversion apparatus
Inventors:
Masafumi Hiraishi, Kazunori Sawai
Patented Case
View Patent ↗
Granted: Jun 17, 2003
Filed: Mar 7, 2000
Inventors
Masafumi Hiraishi
Kazunori Sawai
Assignee (at issue)
KANEKA 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.