Yuma Kamiyama

This inventor holds 12 USPTO granted patents and 16 published patent applications and 3 EPO patents. Top assignees: Panasonic Corporation, Panasonic Holdings Corporation, Panasonic Intellectual Property Management Co., Ltd.. Active years: 2012-2026.

USPTO Granted Patents = 12 (Patent Applications = 16)

% Patents Active = 75.0

EPO Patents = 3 (Patent Applications = 7)

Average Co-Inventor Count = 3.0

ph-index = 1

Location History:

Kyoto, JP (2012 - 2014)
Osaka, JP (2015 - 2022)

Company Filing History:

3 out of 16,454

Panasonic Corporation

patents

3 out of 364

Panasonic Holdings Corporation

patents

3 out of 13,338

Panasonic Intellectual Property Management Co., Ltd.

patents

4. 3 out of 8,782

Sanyo Electric Co., Ltd.

patents

5. 1 out of 312

Prime Planet Energy & Solutions, Inc.

where one patent can have more than one assignee

Years Active: 2012-2026

Loading Chart...

12 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12519108 - Negative electrode material for lithium ion secondary battery, negative electrode for lithium ion secondary battery, and lithium ion secondary battery (2026-01-06),

2. 12463296 - Battery electrode, battery, and battery electrode manufacturing method (2025-11-04),

3. 12412961 - Square secondary battery (2025-09-09),

4. 12334512 - Secondary battery and method for manufacturing secondary battery (2025-06-17),

5. 12327839 - Prismatic non-aqueous electrolyte secondary battery (2025-06-10),

6. 11444271 - Lithium-ion battery including electrode with tab section having substrate-exposed portion (2022-09-13),

7. 11404699 - Electrode for secondary battery and secondary battery using same (2022-08-02),

8. 11374291 - Secondary cell (2022-06-28),

9. 11245148 - Nonaqueous electrolyte secondary battery and battery module (2022-02-08),

10. 8991217 - Mold, casting apparatus, and method for producing cast rod (2015-03-31),

11. 8668895 - Purifying method for metallic silicon and manufacturing method of silicon ingot (2014-03-11),

12. 8122934 - Mold for forming cast rods, casting apparatus, and production method of cast rods (2012-02-28),

Title: Yuma Kamiyama: Innovator in Battery Technology

Introduction

Yuma Kamiyama is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of battery technology, holding a total of 12 patents. His innovative designs focus on improving the efficiency and reliability of battery components.

Latest Patents

Among his latest patents, Kamiyama has developed a battery electrode that features a core with an active material layer. This design includes a base part where the core surface is covered by the active material layer and a tab part that projects from the base part. Notches are strategically formed on the core to prevent cracks at the base of the tab part, enhancing the durability of the battery electrode. Additionally, he has created a square secondary battery that houses a flat electrode body within a battery case. This design ensures that the electrode body is securely pressed against the sealing plate, optimizing the battery's performance.

Career Highlights

Kamiyama has worked with notable companies such as Panasonic Holdings Corporation and Sanyo Electric Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking advancements in battery technology.

Collaborations

Throughout his career, Kamiyama has collaborated with talented individuals, including Hiromasa Yagi and Kazuyoshi Honda. These partnerships have fostered a creative environment that has led to innovative solutions in the field.

Conclusion

Yuma Kamiyama's work in battery technology exemplifies the spirit of innovation. His patents reflect a commitment to enhancing the performance and reliability of battery systems. His contributions continue to influence the industry and pave the way for future advancements.