Granted Patent
Utility
US 6,652,934 · App. 09/584,478
Silica glass crucible and method of fabricating thereof
Inventors:
Atsuro Miyao, Kiyoaki Misu, Kazuhiko Takariki, Izumi Kawakami, Kouzou Kitano, Naoyuki Obata, Hiroshi Yamaguchi, Fusaki Kimura
Patented Case
View Patent ↗
Granted: Nov 25, 2003
Filed: Jun 1, 2000
Inventors
Atsuro Miyao
Kiyoaki Misu
Kazuhiko Takariki
Izumi Kawakami
Kouzou Kitano
Naoyuki Obata
Hiroshi Yamaguchi
Fusaki Kimura
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.