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Aesc Japan Ltd.

USPTO Granted Patents = 27

EPO Patents = 27

Trademarks = 1

Forward Citations = 0

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71 inventors (with patents filed for the assignee):

Yasuhiro Yanagihara (4 out of 17 patents)

Masayuki Nakai (4 out of 13 patents)

Yafei He (3 out of 5 patents)

4. Ryuichi Amagai (3 out of 3 patents)

5. Tomoyuki Ichikawa (2 out of 2 patents)

6. Takami Izawa (2 out of 2 patents)

7. Yoshimasa Yamamoto (2 out of 2 patents)

8. Shinkichi Toyosaki (2 out of 3 patents)

9. Shinsuke Enomoto (1 out of 2 patents)

10. Naoyuki Iwata (1 out of 8 patents)

11. Sachiko Kamiya (1 out of 2 patents)

12. Wataru Ogihara (1 out of 14 patents)

13. Yoshinori Naruoka (1 out of 6 patents)

14. Aika Kimura (1 out of 2 patents)

15. Hideaki Sasaki (1 out of 2 patents)

Core Competencies:

Battery

Battery Module

Lithium Ion Battery

Voltage Detection

Battery Pack

Cooling Performance

Nonaqueous Electrolyte

Positive Electrode

Power Storage Device

Manufacturing Method

Remaining Capacity Estimation

Secondary Battery

27 patents: Sort by Forward Citations

1. 12763434 - Cover assembly, battery and battery pack (2026-10-13),

2. 12689056 - Battery (2026-07-21),

3. 12646891 - Battery pack and manual service disconnect thereof, battery protection method (2026-06-02),

4. 12640412 - Battery module (2026-05-26),

5. 12633597 - Battery and electronic device (2026-05-19),

6. 12613288 - Voltage detection device and battery module (2026-04-28),

7. 12597685 - Voltage detection device and battery module (2026-04-07),

8. 12586839 - Battery module with improved cooling performance, battery device including said battery module, and method for manufacturing said battery module (2026-03-24),

9. 12580262 - Battery module and electronic device (2026-03-17),

10. 12546830 - Voltage detection device and battery module (2026-02-10),

11. 12512504 - Lithium ion battery (2025-12-30),

12. 12500268 - Nonaqueous electrolyte additive, nonaqueous electrolyte containing same, power storage device, and electric device (2025-12-16),

13. 12476253 - Positive electrode for lithium ion secondary battery, positive electrode sheet for lithium ion secondary battery, and method for manufacturing the same (2025-11-18),

14. 12443152 - Remaining capacity estimation apparatus, model generation apparatus, and non-transitory computer-readable medium (2025-10-14),

15. 12166232 - Battery case, vehicle comprising said battery case, and stationary type power storage device (2024-12-10),

Company Overview

Aesc Japan Ltd. is a technology-driven company based in Zama, Japan, specializing in the development and manufacturing of advanced electronic components and systems. The organization focuses on innovative solutions for various industries, including automotive, telecommunications, and consumer electronics. With a commitment to research and development, Aesc Japan Ltd. aims to enhance product performance and reliability through cutting-edge technology and engineering expertise, catering to both domestic and international markets.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

27 Patents

#4 in Zama

#2,455 in Japan

#24,012 in the World

Aesc Japan Ltd.

Forward Citations = 0

71 inventors:

Yasuhiro Yanagihara (4 out of 17 patents)

Masayuki Nakai (4 out of 13 patents)

Yafei He (3 out of 5 patents)

4. Ryuichi Amagai (3 out of 3 patents)

5. Tomoyuki Ichikawa (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Aesc Japan Ltd.. Retrieved from https://idiyas.com/company/aesc-japan

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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