Method For Producing Power Storage Device, And Power Storage Device

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Method For Producing Power Storage Device, And Power Storage Device

Abstract: Disclosed is a method for producing a power storage device that comprises an electrode body and an outer package in which the electrode body is sealed. The outer package comprises: an outer package film which enfolds the electrode body in such a manner that an opening is formed; a cover member which is disposed at the position of the opening; and a sealing part at which the cover member and the outer package film are joined to each other. This method for producing a power storage device comprises a sealing step in which the sealing part is formed using a sealing device, and the sealing step comprises a first sealing step in which the sealing part is formed, while moving one of the sealing device and the cover member relative to the other one.

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Notices, Deadlines & Correspondence

Patent Information

Application #

Filing Date

18 September 2025

Publication Number

42/2025

Publication Type

INA

Invention Field

ELECTRICAL

Status

Email

Parent Application

Applicants

DAI NIPPON PRINTING CO., LTD.

1-1, Ichigaya Kagacho 1-chome, Shinjuku-ku, Tokyo 1628001

Inventors

1. URIU, Toshibumi

c/o DAI NIPPON PRINTING CO., LTD., 1-1, Ichigaya Kagacho 1-chome, Shinjuku-ku, Tokyo 1628001

2. MIYASHIRO, Kae

c/o DAI NIPPON PRINTING CO., LTD., 1-1, Ichigaya Kagacho 1-chome, Shinjuku-ku, Tokyo 1628001

3. KANAZAWA, Sayako

c/o DAI NIPPON PRINTING CO., LTD., 1-1, Ichigaya Kagacho 1-chome, Shinjuku-ku, Tokyo 1628001

4. SASAKI, Miho

c/o DAI NIPPON PRINTING CO., LTD., 1-1, Ichigaya Kagacho 1-chome, Shinjuku-ku, Tokyo 1628001

5. OKADA, Emiko

c/o DAI NIPPON PRINTING CO., LTD., 1-1, Ichigaya Kagacho 1-chome, Shinjuku-ku, Tokyo 1628001

6. KANDA, Nobuyuki

c/o DAI NIPPON PRINTING CO., LTD., 1-1, Ichigaya Kagacho 1-chome, Shinjuku-ku, Tokyo 1628001

7. ARAI, Yuta

c/o DAI NIPPON PRINTING CO., LTD., 1-1, Ichigaya Kagacho 1-chome, Shinjuku-ku, Tokyo 1628001

8. ASHIHARA, Yohei

c/o DAI NIPPON PRINTING CO., LTD., 1-1, Ichigaya Kagacho 1-chome, Shinjuku-ku, Tokyo 1628001

9. OKUMURA, Shohei

c/o DAI NIPPON PRINTING CO., LTD., 1-1, Ichigaya Kagacho 1-chome, Shinjuku-ku, Tokyo 1628001

10. SHIRAISHI, Takeshi

c/o DAI NIPPON PRINTING CO., LTD., 1-1, Ichigaya Kagacho 1-chome, Shinjuku-ku, Tokyo 1628001

11. HENMI, Takashi

c/o DAI NIPPON PRINTING CO., LTD., 1-1, Ichigaya Kagacho 1-chome, Shinjuku-ku, Tokyo 1628001

Specification

Documents

Application Documents

#	Name	Date
1	202517088971-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [18-09-2025(online)].pdf	2025-09-18
2	202517088971-STATEMENT OF UNDERTAKING (FORM 3) [18-09-2025(online)].pdf	2025-09-18
3	202517088971-REQUEST FOR EXAMINATION (FORM-18) [18-09-2025(online)].pdf	2025-09-18
4	202517088971-PROOF OF RIGHT [18-09-2025(online)].pdf	2025-09-18
5	202517088971-PRIORITY DOCUMENTS [18-09-2025(online)].pdf	2025-09-18
6	202517088971-POWER OF AUTHORITY [18-09-2025(online)].pdf	2025-09-18
7	202517088971-FORM 18 [18-09-2025(online)].pdf	2025-09-18
8	202517088971-FORM 1 [18-09-2025(online)].pdf	2025-09-18
9	202517088971-DRAWINGS [18-09-2025(online)].pdf	2025-09-18
10	202517088971-DECLARATION OF INVENTORSHIP (FORM 5) [18-09-2025(online)].pdf	2025-09-18
11	202517088971-COMPLETE SPECIFICATION [18-09-2025(online)].pdf	2025-09-18