Granted Patent
Utility
US 6,139,628 · App. 09/056,622
Method of forming gallium nitride crystal
Inventors:
Masaaki Yuri, Tetsuzo Ueda, Takaaki Baba
Patented Case
View Patent ↗
Granted: Oct 31, 2000
Filed: Apr 8, 1998
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.