This inventor holds 8 USPTO granted patents and 8 published patent applications and 1 EPO patent. Top assignees: Sumitomo Electric Industries, Limited, Kyoeisha Chemical Co., Ltd.. Active years: 1992-2025.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
7 out of 10,647 
1 out of 17 Years Active: 1992-2025
Title: Innovator Spotlight: Akira Harada of Osaka, Japan
Introduction: Akira Harada is a prominent inventor based in Osaka, Japan, known for her significant contributions to materials science. With a total of seven patents to her name, she has made remarkable advancements in the field of separator films for batteries. Her innovative ideas are paving the way for improvements in energy storage technologies.
Latest Patents: Among her latest patents, Harada has developed a porous material made of polytetrafluoroethylene and a production process for it. This invention specifically focuses on a separator film for a storage battery, which is engineered as a hydrophilized porous biaxially oriented film. The film boasts an impressive porosity of approximately 70%, with a thickness ranging from 10 to 500 micrometers and a pore size between 0.01 to 20 micrometers. This unique porous film combines hydrophobic resin and hydrophilic high polymer, strategically distributed to create distinct hydrophilic and hydrophobic portions. The adaptability in porosity and pore size within the film thickness enhances its application in alkaline storage batteries and nonaqueous electrolyte batteries, such as lithium batteries.
Career Highlights: Akira Harada currently works for Sumitomo Electric Industries, Limited, a leading company in innovative electrical solutions. Her contributions have not only advanced battery technology but also aimed at achieving greater efficiency and sustainability in energy storage applications.
Collaborations: Throughout her career, Harada has collaborated with esteemed colleagues such as Hiroshi Mano and Takeshi Sakamoto. These partnerships have fostered a rich environment of innovation, leading to the development of impactful technologies.
Conclusion: Akira Harada exemplifies the spirit of invention, showcasing how dedication and collaboration can spark innovation. With her ongoing work at Sumitomo Electric Industries, Limited, she continues to contribute to the evolution of battery technologies, ensuring a brighter future for energy storage solutions.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile