This inventor holds 36 USPTO granted patents and 4 published patent applications and 3 EPO patents, primarily in Nonaqueous Electrolyte Batteries. Top assignees: Toyota Jidosha Kabushiki Kaisha, Matsushita Electric Industrial Co., Ltd., Panasonic Corporation. Active years: 2000-2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Osaka, JP (2000 - 2002)
- Hyogo, JP (2002 - 2013)
- Yokohama, JP (2005 - 2017)
- Nishinomiya, JP (2002 - 2021)
Company Filing History:



Years Active: 2000-2026
Areas of Expertise:
Title: **The Innovative Contributions of Keiichi Takahashi in Battery Technology**
Introduction
Keiichi Takahashi, an accomplished inventor based in Nishinomiya, Japan, has made significant strides in the field of battery technology. With an impressive portfolio of 33 patents, Takahashi's innovations primarily focus on nonaqueous electrolyte secondary batteries, contributing to advancements in energy storage solutions.
Latest Patents
Takahashi's recent developments include a nonaqueous electrolyte secondary battery designed to enhance efficiency and performance. His invention features a positive electrode that incorporates a unique active material layer consisting of a first layer and a second layer. The first layer comprises a specific particle group, while the second layer combines two additional particle groups. This innovative structure is crucial for optimizing the functionality and longevity of lithium-ion batteries. Additionally, his patent related to positive electrode active material powder showcases a carefully engineered composition, including both first and second particle groups, designed for superior flow characteristics, essential for battery manufacturing.
Career Highlights
Throughout his career, Keiichi Takahashi has collaborated with renowned companies such as Toyota Motor Corporation and Panasonic Corporation. His work in these organizations has allowed him to contribute to cutting-edge projects that bridge the gap between automotive technology and energy efficiency.
Collaborations
In his professional journey, Takahashi has worked alongside notable colleagues, including Hideyuki Saka and Tatsuya Hashimoto. These collaborations have played a vital role in enhancing the innovation process and promoting the development of advanced battery technologies.
Conclusion
Keiichi Takahashi’s dedication to battery innovation and his remarkable patent portfolio underscore his status as a key figure in the field. His work not only propels technological advancements but also paves the way for future breakthroughs in energy storage solutions. As the demand for more efficient battery technologies continues to grow, Takahashi's contributions will undoubtedly play a crucial role in shaping the future of energy.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile