Granted Patent
Utility
US 6,631,706 · App. 09/463,659
High pressure fuel supply pump for internal combustion engine
Inventors:
Hiroyuki Yamada, Shigenori Tahara, Atsuji Saito, Yukio Takahashi, Masami Abe
Patented Case
View Patent ↗
Granted: Oct 14, 2003
Filed: Jan 28, 2000
Inventors
Hiroyuki Yamada
Shigenori Tahara
Atsuji Saito
Yukio Takahashi
Masami Abe
Assignees (at issue)
HITACHI, LTD.
HITACHI CAR ENGINEERING 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.