Granted Patent
Utility
US 4,645,560 · App. 06/644,009
Liquid encapsulation method for growing single semiconductor crystals
Inventors:
Kazuhisa Matsumoto, Hiroshi Morishita, Shinichi Akai, Shintaro Miyazawa
Patented Case
View Patent ↗
Granted: Feb 24, 1987
Filed: Aug 24, 1984
Inventors
Kazuhisa Matsumoto
Hiroshi Morishita
Shinichi Akai
Shintaro Miyazawa
Assignees (at issue)
SUMITOMO ELECTRIC INDUSTRIES, LTD.
NIPPON TELEGRAPH AND TELEPHONE 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.