Hitachi, Japan

Akihiko Emori

This inventor holds 85 USPTO granted patents and 2 published patent applications, plus 2 CIPO patents and 26 EPO patents, primarily in Battery Monitoring Systems (CPC class H02J7-0021). Top assignees: Hitachi, Ltd., Hitachi Vehicle Energy, Ltd., Shin-Kobe Electric Machinery Co., Ltd.. Active years: 1997-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Akihiko Emori. Retrieved from https://idiyas.com/inventor/akihiko-emori

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

USPTO Granted Patents = 85 

% Patents Active = 75.3

 

 

Average Co-Inventor Count = 4.6

ph-index = 22

Forward Citations = 1,440(Granted Patents)

Forward Citations (Not Self Cited) = 1,264(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Chiyoda-ku, Tokyo JP (2004)
  • Ibaraki, JP (2011 - 2015)
  • Hitachinaka, JP (2016)
  • Hitachi, JP (1997 - 2019)
  • Tokyo, JP (2016 - 2019)

Company Filing History:


Years Active: 1997-2019

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Areas of Expertise:
Battery Monitoring
Battery Control Circuit
Electric Storage Device
Battery System
Cell Controller
Battery Module
Power Supply System
Battery Information Management
Multi-Series Battery Control
Vehicle Power Supply
Secondary Battery Module
Battery Pack Controller
85 patents (USPTO):Explore Patents

Title: Akihiko Emori: Innovating Battery Technology at Hitachi

Introduction:

Akihiko Emori, a renowned innovator in the field of battery technology, has made significant contributions to Hitachi over several decades. Holding various key positions within the company, his expertise and vision have driven the development of cutting-edge battery systems. Emori's impressive portfolio of 85 patents demonstrates his commitment to advancing energy storage solutions. Let us delve deeper into his latest patents, career highlights, collaborations, and the impact he has made within the industry.

Latest Patents:

Emori's recent patents showcase his expertise in battery monitoring systems and apparatus for electric storage devices. One of his notable patents is the "Battery System Monitoring Apparatus and Electric Storage Device Including the Same." This invention focuses on monitoring a cell group with multiple battery cells by employing a cell controller IC and multiple voltage detection lines. It ensures effective monitoring and control of the battery states within an electric storage system.

Another significant patent contributed by Emori is the "Battery Monitoring System." This system incorporates a battery state detection circuit that analyzes the battery states of multiple series-connected battery cells based on their respective cell voltages. It includes a control circuit that actively monitors the battery cell states for efficient diagnosis and enhanced operational reliability.

Career Highlights:

Emori's illustrious career spans several decades, during which he has held key positions within Hitachi. His expertise and contributions have played a vital role in advancing battery technology and energy storage solutions. Emori's dedication to innovation and commitment to developing efficient battery systems have made him a respected figure within the field.

Collaborations:

Throughout his career, Emori has collaborated with esteemed colleagues and industry experts. Notable collaborations include working closely with Akihiko Kudo and Hideki Miyazaki, both of whom have been instrumental in driving battery technology advancements within Hitachi. These collaborations fostered an environment of collective expertise, resulting in groundbreaking advancements in battery systems for various applications.

Conclusion:

Akihiko Emori's long-lasting commitment to innovation and battery technology has positioned him as a respected figure within Hitachi and the industry as a whole. His numerous patents, including the battery system monitoring apparatus and battery monitoring system, demonstrate his dedication to advancing energy storage solutions.

Emori's career highlights and collaborations speak volumes about his lasting impact on the field of battery technology. Through his exceptional contributions and various key positions held within Hitachi, Emori has significantly advanced the development of state-of-the-art battery systems. His relentless pursuit of innovation continues to shape the future of energy storage, enhancing efficiency and reliability for a wide range of applications.

Profile summary based on public USPTO records.
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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