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Electrode for Secondary Battery and Secondary Battery Including Same

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Published March 25th, 2026
Detected April 1st, 2026
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Summary

The European Patent Office published patent application EP4057388A1 for an electrode for secondary batteries and secondary battery including the same. The patent was filed by Prime Planet Energy & Solutions, Inc. with inventors SHIONOYA Haruka, ENOKIHARA Katsushi, MASHIMO Naohiro, and KITAYOSHI Masanori. The application covers H01M battery technology classifications including H01M4/36, H01M4/13, H01M10/0525, and H01M4/139.

What changed

The European Patent Office published secondary battery electrode patent application EP4057388A1 filed by Prime Planet Energy Energy & Solutions, Inc. The patent covers electrode composition and structure for secondary batteries with specific technical specifications under IPC classifications H01M4/36, H01M4/13, H01M10/0525, H01M4/139, and H01M4/02. The application was published March 25, 2026.

This is a routine patent publication notice with no compliance obligations, deadlines, or penalties. Compliance officers and legal professionals should note this publication for intellectual property tracking purposes only. No action is required as this document does not impose regulatory requirements on any party.

Source document (simplified)

← EPO Patent Bulletin

ELECTRODE FOR SECONDARY BATTERY AND SECONDARY BATTERY INCLUDING SAME

Publication EP4057388A1 Kind: A1 Mar 25, 2026

Applicants

Prime Planet Energy & Solutions, Inc.

Inventors

SHIONOYA, Haruka, ENOKIHARA, Katsushi, MASHIMO, Naohiro, KITAYOSHI, Masanori

IPC Classifications

H01M 4/36 20060101AFI20220714BHEP H01M 4/13 20100101ALI20220714BHEP H01M 10/0525 20100101ALN20220714BHEP H01M 4/139 20100101ALN20220714BHEP H01M 4/02 20060101ALN20220714BHEP

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, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR

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Source

Analysis generated by AI. Source diff and links are from the original.

Classification

Agency
EPO
Published
March 25th, 2026
Instrument
Notice
Legal weight
Non-binding
Stage
Final
Change scope
Minor
Document ID
EP4057388A1

Who this affects

Applies to
Manufacturers
Industry sector
3254 Pharmaceutical Manufacturing
Geographic scope
European Union EU

Taxonomy

Primary area
Financial Services
Operational domain
Legal
Topics
Energy Manufacturing Technology

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