Susono, Japan

Hajime Hasegawa

This inventor holds 47 USPTO granted patents and 4 published patent applications and 10 EPO patents, primarily in Solid-State Batteries. Top assignees: Toyota Jidosha Kabushiki Kaisha, Nichia Corporation, Toyo Kohan Co., Ltd.. Active years: 2012-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hajime Hasegawa. Retrieved from https://idiyas.com/inventor/hajime-hasegawa

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

USPTO Granted Patents = 47 

% Patents Active = 91.5

 

Average Co-Inventor Count = 4.5

ph-index = 3

Forward Citations = 58(Granted Patents)


Location History:

  • Toyota, JP (2012 - 2016)
  • Susono, JP (2016 - 2023)
  • Aichi-ken, JP (2023 - 2024)

Company Filing History:


Years Active: 2012-2026

Loading Chart...
Loading Chart...
Areas of Expertise:
All-Solid-State Battery
Sulfide Battery
Lithium Ion Secondary Battery
Electrode Manufacturing
Anode Mixture
Cathode Active Material
Stacked Battery
Battery System
Composite Active Material
Layered Current Shunt
Battery Production Methods
Electrode Laminate
47 patents (USPTO):Explore Patents

Title: Hajime Hasegawa: A Pioneer in Solid-State Battery Technology

Introduction

Hajime Hasegawa, an innovative inventor based in Susono, Japan, has made significant contributions to the field of battery technology, particularly in the development of solid-state batteries. With an impressive portfolio of 45 patents, Hasegawa continues to push the boundaries of modern energy storage solutions.

Latest Patents

Among his latest inventions, Hasegawa has developed a sulfide all-solid-state battery that features a unique anode current collector. This advancement addresses the challenge of sulfurization by using electrolytic iron foil that is minimally composed of other elements. The design incorporates precise surface roughness measurements, enhancing the battery's overall performance. Another notable invention is an all-solid-state battery designed to prevent the positional shift of cell units arranged along its thickness. This involves a novel arrangement of cell units connected in series, ensuring stability and efficiency in energy delivery.

Career Highlights

Throughout his career, Hajime Hasegawa has worked with prominent companies in the automotive and chemical sectors, including Toyota Motor Corporation and Nichia Corporation. His experience within these leading firms has bolstered his innovative capacity, allowing him to develop cutting-edge technologies that have the potential to revolutionize energy storage.

Collaborations

Hasegawa has collaborated with talented individuals such as Norihiro Ose and Hideaki Nishimura. These partnerships have fostered an environment of creativity and idea exchange, contributing to advancements in battery technology that leverage diverse expertise.

Conclusion

Hajime Hasegawa stands as a prominent figure in the advancements of solid-state batteries. His continuous innovations and patented inventions demonstrate his commitment to enhancing energy storage solutions. Through collaboration and ingenuity, he paves the way for a sustainable future in battery technology.

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]
Loading…