Tokyo, Japan

Masato Shirakata

This inventor holds 14 USPTO granted patents and 3 published patent applications, plus 1 CIPO patent and 2 EPO patents. Top assignees: Nec Corporation, Nec Tokin Corporation, Nihon Parkerizing Co., Ltd.. Active years: 1992-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masato Shirakata. Retrieved from https://idiyas.com/inventor/masato-shirakata

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

USPTO Granted Patents = 14 

% Patents Active = 92.9


 

Average Co-Inventor Count = 4.6

ph-index = 7

Forward Citations = 214(Granted Patents)


Location History:

  • Kanagawa, JP (2000)
  • Minato-ku, JP (2004)
  • Tokyo, JP (1992 - 2011)

Company Filing History:


Years Active: 1992-2011

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14 patents (USPTO):Explore Patents

Title: Inventor Masato Shirakata: Innovating Secondary Battery Technology

Introduction

Masato Shirakata, an accomplished inventor based in Tokyo, Japan, holds an impressive portfolio of 14 patents. His contributions primarily focus on advancements in secondary battery technology, showcasing his innovative approach to energy storage solutions.

Latest Patents

Among his latest innovations is the patent for an "Anode for secondary battery and secondary battery using the same." This invention outlines a secondary battery configuration that includes an anode equipped to manage lithium ions, complemented by a specially designed cathode and electrolyte. The anode consists of an active material layer that comprises two distinct layers—one primarily made of carbon and another including elements with varying theoretical capacities compared to graphite. This design aims to enhance efficiency in lithium ion absorption and discharge.

Another notable patent is for a "Negative electrode for secondary cell and secondary cell using the same." This innovation features a carbon-based first layer along with a Li absorbing layer containing particles designed to achieve a higher capacity and operational voltage. By integrating elements with equal or lesser theoretical capacity than graphite, the invention effectively curbs volume expansion and contraction, preserving the battery’s capacity over extensive cycles.

Career Highlights

Masato Shirakata’s career includes significant experience with major corporations such as NEC Corporation. His work has contributed to pushing the boundaries in the field of battery technology, enabling the development of systems that are not only more efficient but are also designed for longevity and stability.

Collaborations

During his career, Masato has collaborated with esteemed colleagues, including Hiroshi Yageta and Yutaka Bannai. These partnerships have fostered a rich environment of creativity and innovation, leading to the development of technologies that address modern energy challenges.

Conclusion

Masato Shirakata stands as a prominent figure in the world of inventions related to secondary batteries. His innovative patents reflect a deep understanding of the complexities of battery technology and a commitment to advancing energy storage solutions. Through continued collaboration and research, Shirakata is poised to leave a lasting impact on the industry.

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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