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Kanagawa, Japan

Showa Denko Packaging Co., Ltd.

USPTO Granted Patents = 51

Trademarks = 1

Forward Citations = 67

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38 inventors (with patents filed for the assignee):

Koji Minamitani (11 out of 15 patents)

Yuji Minamibori (11 out of 12 patents)

Tetsunobu Kuramoto (10 out of 10 patents)

4. Hiroshi Hata (9 out of 9 patents)

5. Kensuke Nagata (7 out of 7 patents)

6. Yuuji Minamibori (6 out of 6 patents)

7. Kenji Yoshino (5 out of 7 patents)

8. Makoto Karatsu (5 out of 7 patents)

9. Takashi Nagaoka (4 out of 6 patents)

10. Honglin Wang (4 out of 4 patents)

11. Daisuke Nakajima (3 out of 3 patents)

12. Daisuke Hashimoto (3 out of 4 patents)

13. Takurou Watanabe (3 out of 3 patents)

14. Shunsuke Saito (2 out of 2 patents)

15. Katsumi Tanaka (2 out of 25 patents)

Core Competencies:

Heat Exchanger

Power Storage Device

Packaging Material

Molding Packaging Material

Electrochemical Device

Battery Packaging Material

Laminated Armoring Material

Oxygen Permeable Membrane

Surface Treatment Method

Tab Lead

Thin Power Storage Device

51 patents: Sort by Forward Citations

1. 11867471 - Heat exchanger (2024-01-09),

2. 11766848 - Molding packaging material, power storage device packaging case, and power storage device (2023-09-26),

3. 11699823 - Shape-forming packaging material, and method for producing power storage device with surface printing (2023-07-11),

4. 11592247 - Heat exchanger (2023-02-28),

5. 11527796 - Package for power storage device (2022-12-13),

6. 11446902 - Packaging material for molding, exterior case for electricity storage device and electricity storage device (2022-09-20),

7. 11444350 - Packaging material for power storage device, and power storage device (2022-09-13),

8. 11059281 - Method of producing laminate material (2021-07-13),

9. 10957954 - Electrochemical device (2021-03-23),

10. 10847763 - Packaging material for power storage device, packaging case for power storage device, and power storage device (2020-11-24),

11. 10756313 - Thin power storage device and production method thereof (2020-08-25),

12. 10608211 - Outer casing material for battery and lithium secondary battery (2020-03-31),

13. 10559809 - Power storage device (2020-02-11),

14. 10516141 - Power storage device and production method thereof (2019-12-24),

15. 10290840 - Battery packaging material and battery (2019-05-14),

Showa Denko Packaging Co., Ltd. is a leading packaging company based in Japan. They offer a wide range of packaging solutions for various industries including food, healthcare, electronics, and more. With a strong focus on innovation and quality, they strive to provide sustainable packaging solutions that meet the evolving needs of customers worldwide.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

51 Patents

#54 in Kanagawa

#1,649 in Japan

#13,381 in the World

Kanagawa, Japan

Showa Denko Packaging Co., Ltd.

Forward Citations = 67

38 inventors:

Koji Minamitani (11 out of 15 patents)

Yuji Minamibori (11 out of 12 patents)

Tetsunobu Kuramoto (10 out of 10 patents)

4. Hiroshi Hata (9 out of 9 patents)

5. Kensuke Nagata (7 out of 7 patents)

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