Granted Patent
Utility
US 6,565,650 · App. 09/883,955
Single crystal pulling apparatus and pulling method
Inventors:
Hiroyuki Miura, Yasuyuki Iwata, Shinsuke Kondoh
Patented Case
View Patent ↗
Granted: May 20, 2003
Filed: Jun 20, 2001
Inventors
Hiroyuki Miura
Yasuyuki Iwata
Shinsuke Kondoh
Assignee (at issue)
Toshiba Ceramics 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.