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Toyota Battery Co., Ltd.

USPTO Granted Patents = 15

Forward Citations = 0

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36 inventors (with patents filed for the assignee):

Naoya Kishimoto (4 out of 14 patents)

Masakazu Umehara (3 out of 26 patents)

Masataka Asai (2 out of 10 patents)

4. Yuki Sato (2 out of 38 patents)

5. Yozo Uchida (2 out of 25 patents)

6. Tsuyoshi Ehara (2 out of 11 patents)

7. Hiroaki Ikeda (2 out of 12 patents)

8. Syoichi Tsuchiya (2 out of 7 patents)

9. Tsuyoshi Asano (2 out of 7 patents)

10. Masahiro Uchimura (2 out of 8 patents)

11. Takaaki Izumoto (2 out of 5 patents)

12. Shotaro Deguchi (2 out of 4 patents)

13. Shigeru Matsumoto (2 out of 7 patents)

14. Yasuaki Nagano (2 out of 4 patents)

15. Ryotaro Sakai (2 out of 2 patents)

15 patents: Sort by Forward Citations

1. 12756025 - State determination device for lithium-ion rechargeable battery (2026-10-06),

2. 12728396 - Method for manufacturing slurry for insulation protective layer of rechargeable battery and device for manufacturing slurry for insulation protective layer of rechargeable battery (2026-09-08),

3. 12681102 - Method for evaluating a power storage device and method for producing the power storage device (2026-07-14),

4. 12679010 - Aluminum member, aluminum-resin composite, and method for producing the aluminum-resin composite (2026-07-14),

5. 12674845 - Deterioration level calculation method for secondary battery and non-transitory computer-readable medium storing deterioration level calculation program (2026-07-07),

6. 12665272 - Battery (2026-06-23),

7. 12636672 - Coating device having a coating die configured to discharge a coating liquid onto a workpiece (2026-05-26),

8. 12620680 - Joining method, joining structure, and battery (2026-05-05),

9. 12620082 - Inspection apparatus and method for calibrating inspection apparatus (2026-05-05),

10. 12607681 - Method of self-discharge test for secondary battery and manufacturing method for secondary battery (2026-04-21),

11. 12597590 - Producing method for positive electrode plate (2026-04-07),

12. 12592435 - Sealed power storage device (2026-03-31),

13. 12562402 - Nonaqueous electrolyte rechargeable battery and method for manufacturing nonaqueous electrolyte rechargeable battery (2026-02-24),

14. 12562362 - Rechargeable battery and method for manufacturing positive plate of rechargeable battery (2026-02-24),

15. 12555863 - Battery stack (2026-02-17),

Company Overview

Toyota Battery Co., Ltd. specializes in the development and manufacturing of advanced battery technologies, primarily for automotive applications. The company focuses on enhancing energy efficiency and performance in electric and hybrid vehicles, contributing to the broader goals of sustainable mobility. Located in Kosai, Japan, it leverages Toyota's extensive expertise in automotive engineering and innovation to drive advancements in battery performance and reliability, supporting the transition to cleaner energy solutions in transportation.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

15 Patents

#7 in Kosai

#3,443 in Japan

#39,921 in the World

Toyota Battery Co., Ltd.

Forward Citations = 0

36 inventors:

Naoya Kishimoto (4 out of 14 patents)

Masakazu Umehara (3 out of 26 patents)

Masataka Asai (2 out of 10 patents)

4. Yuki Sato (2 out of 38 patents)

5. Yozo Uchida (2 out of 25 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Toyota Battery Co., Ltd.. Retrieved from https://idiyas.com/company/toyota-battery

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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