Granted Patent
Utility
US 6,428,934 · App. 09/448,587
Non-aqueous electrolyte battery
Inventors:
Tsuyonobu Hatazawa, Kiyomitsu Matsune, Masami Miyake, Takashi Ono
Patented Case
View Patent ↗
Granted: Aug 6, 2002
Filed: Nov 24, 1999
Inventors
Tsuyonobu Hatazawa
Kiyomitsu Matsune
Masami Miyake
Takashi Ono
Assignee (at issue)
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.