This inventor holds 8 USPTO granted patents and 6 EPO patents. Top assignees: Nishikawa Rubber Co., Ltd., Aisin Seiki Kabushiki Kaisha. Active years: 2011-2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
8 out of 233 
1 out of 5,207 
Years Active: 2011-2026
Title: Yuzo Hirakawa: Innovator in Soundproof Materials and Sensor Technology
Introduction
Yuzo Hirakawa is a notable inventor based in Hiroshima, Japan. He has made significant contributions to the fields of soundproof materials and sensor technology. With a total of 8 patents to his name, Hirakawa's work reflects a commitment to innovation and practical applications in engineering.
Latest Patents
Hirakawa's latest patents include a method of manufacturing soundproof material and a protector with a sensor. The soundproof material consists of a rubber sponge with a specific gravity of 0.2 or less, formed through extrusion molding and subsequent crosslinking and foaming using a microwave heating device. This innovative material incorporates carbon nanotubes into the rubber composition, enhancing its soundproofing capabilities. The design features a rectangular cross-section with multiple hollow parts, providing effective sound insulation.
The protector with a sensor is another remarkable invention. It includes a hollow part and an installation base member, with multiple conductive parts embedded within the hollow section. This design allows for effective sensing capabilities, making it suitable for various applications. The structure of the hollow part is carefully designed with oblique sides to optimize functionality.
Career Highlights
Throughout his career, Yuzo Hirakawa has worked with prominent companies such as Nishikawa Rubber Co., Ltd. and Aisin Seiki Kabushiki Kaisha. His experience in these organizations has contributed to his expertise in developing innovative materials and technologies.
Collaborations
Hirakawa has collaborated with notable colleagues, including Michihiko Matsumoto and Kano Hikiji. These partnerships have fostered a creative environment that encourages the exchange of ideas and advancements in technology.
Conclusion
Yuzo Hirakawa's contributions to soundproof materials and sensor technology highlight his innovative spirit and dedication to engineering. His patents reflect a blend of creativity and practicality, making a significant impact in his field.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile