This inventor holds 3 USPTO granted patents and 2 published patent applications and 2 EPO patents. Top assignee: Panasonic Corporation. Active years: 2011-2013.
Company Filing History:
Years Active: 2011-2013
Title: Chiho Yamada: Innovator in Electric Double Layer Capacitors
Introduction
Chiho Yamada is a prominent inventor based in Osaka, Japan. She has made significant contributions to the field of electric double layer capacitors, holding a total of 3 patents. Her innovative work focuses on enhancing the performance and reliability of energy storage devices.
Latest Patents
Yamada's latest patents include a groundbreaking design for an electric double layer capacitor. This invention features a first collector and a first polarizable electrode layer, along with a second collector and a second polarizable electrode layer. A separator with insulating properties is placed between the two electrode layers, which are impregnated with a driving electrolyte. The polarizable electrode layers primarily consist of activated carbon derived from phenol resin, exhibiting a surface roughness not exceeding 0.6 μm and an electrode density ranging from 0.5 g/cm³ to 0.7 g/cm³. This design ensures that the electric double layer capacitor maintains its characteristics even at low temperatures, providing long-term reliability.
Another notable patent involves the development of an electrode material for electric double layer capacitors. This material is designed to achieve low internal resistance and high capacitance. It comprises a carbonaceous material and activated carbon, with the carbonaceous material obtained through thermal treatment or activation of fullerene-containing soot. This innovation enhances the performance of electric double layer capacitors significantly.
Career Highlights
Chiho Yamada has worked with renowned companies such as Panasonic Corporation and Panasonic Intellectual Property Management Co., Ltd. Her experience in these organizations has allowed her to refine her expertise in the field of energy storage technologies.
Collaborations
Yamada has collaborated with notable colleagues, including Hideki Shimamoto and Yoshinori Takamuku. These partnerships have contributed to her innovative projects and advancements in capacitor technology.
Conclusion
Chiho Yamada's contributions to the field of electric double layer capacitors demonstrate her commitment to innovation and excellence. Her patents reflect a deep understanding of materials and design, paving the way for more efficient energy storage solutions.