US 8,691,446 K1 (4,037th)
Nonaqueous secondary battery and method of using the same
Hideo Sakata; Fusaji Kita; and Kumiko Ishizuka
Assigned to MAXELL, LTD.
Trial No. IPR2021-01440, Sep. 23, 2021
Inter Partes Review Certificate for Patent 8,691,446, issued Apr. 8, 2014, Appl. No. 11/976,566, Oct. 25, 2007
Inter Partes Review Certificate issued Jul. 16, 2025