Power Storage Device, Lid, and Manufacturing Method Patent
Summary
The European Patent Office published patent EP4451433A1 granted to Dai Nippon Printing Co., Ltd. for a power storage device, lid, and manufacturing method. The patent covers multiple battery and capacitor technologies including H01M50/105, H01G11/78, and related classifications. The patent is designated across 31 European member states including DE, FR, GB, IT, NL, and others.
What changed
Dai Nippon Printing Co., Ltd. has been granted European Patent EP4451433A1 for a power storage device, lid, and associated manufacturing method. The patent application was published March 25, 2026, with inventors AKUTSU Koki and SASAKI Miho. The patent covers multiple International Patent Classification codes related to battery casings, electrochemical capacitors, and power storage structures.
This is a patent publication notice with no compliance requirements or regulatory obligations. Entities manufacturing or developing battery or power storage technology should monitor EPO patent publications to identify potential freedom-to-operate concerns or opportunities for licensing negotiations. No immediate action is required.
Source document (simplified)
POWER STORAGE DEVICE, LID, AND POWER STORAGE DEVICE MANUFACTURING METHOD
Publication EP4451433A1 Kind: A1 Mar 25, 2026
Applicants
Dai Nippon Printing Co., Ltd.
Inventors
AKUTSU, Koki, SASAKI, Miho
IPC Classifications
H01M 50/105 20210101AFI20260216BHEP H01G 11/78 20130101ALI20260216BHEP H01M 50/103 20210101ALI20260216BHEP H01M 50/121 20210101ALI20260216BHEP H01M 50/129 20210101ALI20260216BHEP H01M 50/133 20210101ALI20260216BHEP H01M 50/15 20210101ALI20260216BHEP H01M 50/16 20210101ALI20260216BHEP H01M 50/166 20210101ALI20260216BHEP H01M 50/198 20210101ALI20260216BHEP
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
Related changes
Source
Classification
Who this affects
Taxonomy
Browse Categories
Get Energy alerts
Weekly digest. AI-summarized, no noise.
Free. Unsubscribe anytime.
Get alerts for this source
We'll email you when ChangeBridge: EPO Bulletin - Batteries (H01M) publishes new changes.