This inventor holds 31 USPTO granted patents and 19 published patent applications, primarily in Nonaqueous Electrolyte Batteries. Top assignees: Sumitomo Chemical Company, Limited, Sumitomo Chemical Companylimited. Active years: 2016-2021.
Company Filing History:
30 out of 6,959 
1 out of 17 Years Active: 2016-2021
Areas of Expertise:
Title: Toshihiko Ogata - Pioneering Innovations in Nonaqueous Electrolyte Secondary Batteries
Introduction
Toshihiko Ogata, based in Osaka, Japan, is a prominent inventor known for his groundbreaking contributions to the field of battery technology. With an impressive portfolio of 31 patents, Ogata has carved a niche for himself in the world of innovations, particularly focusing on nonaqueous electrolyte secondary batteries. His recent inventions reflect a commitment to enhancing battery efficiency and performance.
Latest Patents
One of Ogata's significant inventions is a nonaqueous electrolyte secondary battery that effectively mitigates the decrease in discharge capacity often observed after charge-discharge cycles. This innovative battery design features a positive electrode plate and a negative electrode plate which are tested to fall within specific scratch test ranges. Additionally, the nonaqueous electrolyte battery separator includes a porous film designed to optimize performance under microwave irradiation. Furthermore, the porous layer incorporates an α-form polyvinylidene fluoride-based resin in a specific proportion, enhancing the overall efficiency of the battery system.
Another noteworthy invention by Ogata is also centered on nonaqueous electrolyte secondary batteries. This particular design includes a separator made from a polyolefin porous film, along with a porous layer that contains a polyvinylidene fluoride-based resin. Notably, the positive electrode plate is engineered to prevent peeling of its active material layer even after bending it 130 times or more, while the negative electrode plate withstands bending up to 1650 times. This robust design enhances the durability and lifespan of the battery, making it a significant development in the field.
Career Highlights
Toshihiko Ogata has established himself as a leading figure in battery technology through rigorous research and development. His tenure at Sumitomo Chemical Company, Limited has allowed him to collaborate with some of the most competent minds in the industry, contributing to advancements in materials science and battery innovation.
Collaborations
Throughout his career, Ogata has had the opportunity to work alongside esteemed colleagues such as Chikara Murakami and Ichiro Arise. Their combined expertise in battery technology has led to remarkable advancements in the efficiency and functionality of nonaqueous electrolyte batteries, showcasing the importance of collaboration in technological innovation.
Conclusion
Toshihiko Ogata's dedication to enhancing battery technology through his inventive creations underscores the critical role inventors play in driving innovation. With a focus on nonaqueous electrolyte secondary batteries, his work not only advances the field but also sets the stage for sustainable energy solutions in the future. As he continues to push the boundaries of technology, Ogata remains a key figure in the landscape of modern inventions.