Location History:
- Toyota, JP (2012 - 2016)
- Susono, JP (2016 - 2023)
- Aichi-ken, JP (2023 - 2024)
Company Filing History:
46 out of 36,713 
1 out of 260 
1 out of 3,091 
Years Active: 2012-2025
Areas of Expertise:
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.