Granted Patent
Utility
US 5,479,873 · App. 08/388,451
Method of manufacturing aluminum borate whiskers having a reformed surface based upon gamma alumina
Inventors:
Yoshitomo Shintani, Tetsuya Suganuma, Shuitsu Matsuo, Hajime Saito, Hidenori Yamaoka, Nobuhisa Kurono, Hiroaki Kotaka
Patented Case
View Patent ↗
Granted: Jan 2, 1996
Filed: Feb 14, 1995
Inventors
Yoshitomo Shintani
Tetsuya Suganuma
Shuitsu Matsuo
Hajime Saito
Hidenori Yamaoka
Nobuhisa Kurono
Hiroaki Kotaka
Assignees (at issue)
TOYOTA JIDOSHA KABUSHIKI KAISHA
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.