Granted Patent
Utility
US 6,340,648 · App. 09/548,742
Calcium phosphate porous sintered body and production thereof
Inventors:
Kohichi Imura, Hideo Uemoto, Akimichi Hojo, Junzo Tanaka, Masanori Kikuchi, Yasushi Suetsugu, Hiraku Yamazaki, Masami Kinoshita, Nobuaki Minowa
Patented Case
View Patent ↗
Granted: Jan 22, 2002
Filed: Apr 13, 2000
Inventors
Kohichi Imura
Hideo Uemoto
Akimichi Hojo
Junzo Tanaka
Masanori Kikuchi
Yasushi Suetsugu
Hiraku Yamazaki
Masami Kinoshita
Nobuaki Minowa
Assignees (at issue)
Toshiba Ceramics Co., Ltd.
National Institute for Research in Inorganic Materials-Science and Technology Agency
Toshiba Denko 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.