Granted Patent
Utility
US 5,458,083 · App. 08/218,744
Growth method for a rod form of single oxide crystal
Inventors:
Tsuguo Fukuda, Keigo Hoshikawa, Hiroshi Machida
Patented Case
View Patent ↗
Granted: Oct 17, 1995
Filed: Mar 28, 1994
Inventors
Tsuguo Fukuda
Keigo Hoshikawa
Hiroshi Machida
Assignee (at issue)
Chichibu Cement Co., Ltd.
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.