This inventor holds 1 USPTO granted patent. Top assignees: Asahi Kasei Kabushiki Kaisha, Celgard Inc.. Active years: 2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:

Years Active: 2026
Title: Hisashi Takeda: Innovator in Electric Storage Technology
Introduction
Hisashi Takeda is a notable inventor based in Düsseldorf, Germany. He has made significant contributions to the field of electric storage devices, particularly through his innovative patent that addresses critical issues in this technology.
Latest Patents
Hisashi Takeda holds a patent for a separator for electric storage devices. This invention aims to suppress dendrite short circuits while providing excellent thermal stability. The separator consists of two microporous layers: the first layer is primarily composed of isotactic polypropylene, while the second layer contains isotactic polypropylene and a different thermoplastic resin. The design ensures that the second layer has a lower isotactic polypropylene content compared to the first, enhancing the overall performance of the electric storage device.
Career Highlights
Throughout his career, Takeda has worked with prominent companies in the industry. He has been associated with Celgard Inc. and Asahi Kasei Corporation, where he has contributed to advancements in electric storage technologies. His expertise in material science and engineering has been instrumental in developing innovative solutions for energy storage.
Collaborations
Takeda has collaborated with notable professionals in his field, including Kazunori Uchida and Shun Saito. These collaborations have further enriched his work and contributed to the development of cutting-edge technologies in electric storage devices.
Conclusion
Hisashi Takeda's contributions to electric storage technology through his innovative patent and collaborations with industry leaders highlight his importance in the field. His work continues to influence advancements in energy storage solutions.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile