Granted Patent
Utility
US 6,369,484 · App. 09/422,035
Commutator of rotary electric machine and method of manufacturing the same
Inventors:
Ryohei Kageyama, Kengo Ozawa, Tsuyoshi Kuribayashi
Patented Case
View Patent ↗
Granted: Apr 9, 2002
Filed: Oct 20, 1999
Inventors
Ryohei Kageyama
Kengo Ozawa
Tsuyoshi Kuribayashi
Assignee (at issue)
ASMO 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.