Granted Patent
Utility
US 5,928,421 · App. 08/917,616
Method of forming gallium nitride crystal
Inventors:
Masaaki Yuri, Tetsuzo Ueda, Takaaki Baba
Patented Case
View Patent ↗
Granted: Jul 27, 1999
Filed: Aug 26, 1997
Inventors
Masaaki Yuri
Tetsuzo Ueda
Takaaki Baba
Assignee (at issue)
Matsushita Electronics 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.