Granted Patent
Utility
US 6,506,523 · App. 09/446,291
Solid electrolyte secondary battery
Inventors:
Tsuyonobu Hatazawa, Takayuki Kondo, Yukiko Iijima
Patented Case
View Patent ↗
Granted: Jan 14, 2003
Filed: Dec 17, 1999
Inventors
Tsuyonobu Hatazawa
Takayuki Kondo
Yukiko Iijima
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.