Granted Patent
Utility
US 6,238,822 · App. 09/147,482
Hydrogen storage alloy powder and method of manufacturing the same
Inventors:
Teruhiko Imoto, Yoshinori Matsuura, Nobuyuki Higashiyama, Mamoru Kimoto, Mitsuzo Nogami, Ikuo Yonezu, Koji Nishio
Patented Case
View Patent ↗
Granted: May 29, 2001
Filed: Jan 7, 1999
Inventors
Teruhiko Imoto
Yoshinori Matsuura
Nobuyuki Higashiyama
Mamoru Kimoto
Mitsuzo Nogami
Ikuo Yonezu
Koji Nishio
Assignee (at issue)
SANYO ELECTRIC 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.