← EPO Patent Bulletin

DIAGNOSIS DEVICE FOR SECONDARY BATTERY AND DIAGNOSIS METHOD FOR SECONDARY BATTERY

Publication EP4632408A1 Kind: A1 Mar 18, 2026

Applicants

Hitachi, Ltd.

Inventors

UEDA, Suguru

IPC Classifications

G01R 31/392 20190101AFI20240614BHEP G01R 31/00 20060101ALI20240614BHEP H01M 10/44 20060101ALI20240614BHEP H01M 10/48 20060101ALI20240614BHEP H02J 7/00 20060101ALI20240614BHEP

Designated States

AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LI, LT, LU, LV, MC, ME, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR