Granted Patent
Utility
US 5,498,568 · App. 08/456,870
Method of producing a compound semiconductor crystal layer with a steep heterointerface
Inventors:
Hiroyuki Hosoba, Junichi Nakamura, Masanori Watanabe
Patented Case
View Patent ↗
Granted: Mar 12, 1996
Filed: Jun 1, 1995
Inventors
Hiroyuki Hosoba
Junichi Nakamura
Masanori Watanabe
Assignee (at issue)
SHARP KABUSHIKI KAISHA
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.