Granted Patent
Utility
US 5,401,599 · App. 08/127,960
Non-aqueous electrolyte secondary battery and method of producing the same
Inventors:
Kensuke Tahara, Hideki Ishikawa, Tsugio Sakai, Akifumi Sakata, Fumiharu Iwasaki, Seiji Yahagi
Patented Case
View Patent ↗
Granted: Mar 28, 1995
Filed: Sep 28, 1993
Inventors
Kensuke Tahara
Hideki Ishikawa
Tsugio Sakai
Akifumi Sakata
Fumiharu Iwasaki
Seiji Yahagi
Assignees (at issue)
SEIKO INSTRUMENTS INC.
Seiko Electronic Components 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.