This inventor holds 1 USPTO granted patent. Top assignee: Nok Corporation. Active years: 2026.
Company Filing History:
Years Active: 2026
Title: Hiroka Yamada: Innovator in Sealing Technology
Introduction
Hiroka Yamada is a notable inventor based in Fukushima, Japan. She has made significant contributions to the field of sealing technology, particularly in applications related to electric vehicles. Her innovative approach has led to the development of a unique sealing device that enhances the functionality and reliability of drive shafts.
Latest Patents
Hiroka Yamada holds a patent for a sealing device designed to be positioned between two relatively displaceable members containing an object to be sealed, such as a drive shaft of an electric vehicle. The sealing device features a sealing body made of conductive rubber, which is fixed in contact with the housing by an outer peripheral seal. This design allows a sealing surface on a conductive lip to make surface contact with the drive shaft, effectively sealing the object. Additionally, a grease groove is incorporated on the sealing surface to retain conductive grease, forming a conducting circuit that enables the drive shaft to act as an antenna for electromagnetic noise.
Career Highlights
Hiroka Yamada is currently employed at Nok Corporation, where she continues to innovate and develop advanced sealing solutions. Her work has been instrumental in improving the performance of electric vehicle components, contributing to the overall advancement of automotive technology.
Collaborations
Hiroka collaborates with talented colleagues, including Masayuki Tanida and Kokichi Hamamoto, who share her passion for innovation and excellence in engineering.
Conclusion
Hiroka Yamada's contributions to sealing technology exemplify her commitment to innovation in the automotive industry. Her patented sealing device represents a significant advancement in the field, showcasing her expertise and dedication to enhancing electric vehicle performance.