Granted Patent
Utility
US 6,220,414 · App. 09/422,082
One-way clutch
Inventors:
Shuichi Nagaya, Hirofumi Miyata, Shinichiro Nishikawa, Masakazu Domoto, Masahiko Satoda
Patented Case
View Patent ↗
Granted: Apr 24, 2001
Filed: Oct 21, 1999
Inventors
Shuichi Nagaya
Hirofumi Miyata
Shinichiro Nishikawa
Masakazu Domoto
Masahiko Satoda
Assignees (at issue)
BANDO CHEMICAL INDUSTRIES, LTD.
NTN 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.