Granted Patent
Utility
US 5,390,217 · App. 07/873,683
Carbon fiber-reinforced carbon composite materials processes for their production, and first walls of nuclear fusion reactors employing them
Inventors:
Kimihiro Ioki, Kohei Okuyama, Kazuo Niwa, Hitoshi Seki, Takanori Takahashi
Patented Case
View Patent ↗
Granted: Feb 14, 1995
Filed: Apr 24, 1992
Inventors
Kimihiro Ioki
Kohei Okuyama
Kazuo Niwa
Hitoshi Seki
Takanori Takahashi
Assignees (at issue)
MITSUBISHI KOGYO KABUSHIKI KAISHA
Mitsubishi Genshiryoku Kogyo Kabushiki Kaisha
Mitsubishi Kasei Corporation
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.