Granted Patent
Utility
US 6,402,834 · App. 09/485,049
Apparatus and method for manufacturing monocrystals
Inventors:
Kunihiko Nagai, Kohei Kodaira, Hiroyuki Tanaka, Hideki Sakamoto
Patented Case
View Patent ↗
Granted: Jun 11, 2002
Filed: Jan 31, 2000
Inventors
Kunihiko Nagai
Kohei Kodaira
Hiroyuki Tanaka
Hideki Sakamoto
Assignees (at issue)
Toyo Communication Equipment Co., Ltd.
Kohei Kodaira
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.