Granted Patent
Utility
US 5,580,684 · App. 08/499,393
Non-aqueous electrolytic solutions and non-aqueous electrolyte cells comprising the same
Inventors:
Keiichi Yokoyama, Shigeru Fujita, Akio Hiwara, Yoshiaki Naruse, Masahiro Toriida, Atsuo Omaru
Patented Case
View Patent ↗
Granted: Dec 3, 1996
Filed: Jul 7, 1995
Inventors
Keiichi Yokoyama
Shigeru Fujita
Akio Hiwara
Yoshiaki Naruse
Masahiro Toriida
Atsuo Omaru
Assignees (at issue)
Mitsui Petrochemical Industries, Ltd.
SONY GROUP 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.