Granted Patent
Utility
US 6,537,513 · App. 09/562,978
Semiconductor substrate and method for making the same
Inventors:
Hiroshi Amano, Tetsuya Takeuchi, Isamu Akasaki
Patented Case
View Patent ↗
Granted: Mar 25, 2003
Filed: Apr 27, 2000
Inventors
Hiroshi Amano
Tetsuya Takeuchi
Isamu Akasaki
Assignee (at issue)
Lumileds Lighting US, LLC
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.