Granted Patent
Utility
US 5,402,747 · App. 08/071,102
Method of growing crystal
Inventors:
Sumio Kobayashi, Shunji Miyahara, Toshiyuki Fujiwara, Takayuki Kubo, Hideki Fujiwara, Shuichi Inami, Masahiko Okui
Patented Case
View Patent ↗
Granted: Apr 4, 1995
Filed: Jun 4, 1993
Inventors
Sumio Kobayashi
Shunji Miyahara
Toshiyuki Fujiwara
Takayuki Kubo
Hideki Fujiwara
Shuichi Inami
Masahiko Okui
Assignee (at issue)
SUMITOMO METAL INDUSTRIES, 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.