Granted Patent
Utility
US 5,439,080 · App. 08/281,130
Pitch-reinforced carbon fiber brake disc and pyrolytic carbon/resin-reinforced carbon fiber friction pads
Inventors:
Ichiro Haneda, Tatsuyoshi Sakurai, Mashiro Yanagisawa, Kohei Okuyama, Kazuo Niwa, Toshihiro Fukagawa
Patented Case
View Patent ↗
Granted: Aug 8, 1995
Filed: Jul 28, 1994
Inventors
Ichiro Haneda
Tatsuyoshi Sakurai
Mashiro Yanagisawa
Kohei Okuyama
Kazuo Niwa
Toshihiro Fukagawa
Assignees (at issue)
NISSIN KOGYO CO., LTD.
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.