This inventor holds 3 USPTO granted patents and 2 EPO patents. Top assignees: Daido Kogyo Co., Ltd., Nhk Spring Co., Ltd.. Active years: 2018-2024.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Kanagawa, JP (2018 - 2020)
- Yokohama, JP (2024)
Company Filing History:

Years Active: 2018-2024
Title: Kazuhito Hiraoka: Innovator in Tensioner Technology
Introduction
Kazuhito Hiraoka is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of tensioner technology, holding a total of 3 patents. His innovative designs have advanced the functionality and efficiency of tensioners used in various applications.
Latest Patents
Hiraoka's latest patents include a unique tensioner design that features a movable section, a fixed section, a flat spiral spring, and a back-up spring. This tensioner is engineered to receive load from an entrained transmission body through a tension member. The fixed section supports the movable section, allowing for displacement. The flat spiral spring plays a crucial role by biasing the movable section to resist the tension member. It unwinds under specific conditions, ensuring optimal performance. Another patent describes a tensioner that includes a power spring and a backup member, which supports the power spring by applying an urging force in the opposite direction of the radial shift. This design enhances the tensioner's efficiency and reliability.
Career Highlights
Throughout his career, Kazuhito Hiraoka has worked with prominent companies such as Nhk Spring Co., Ltd. and Daido Kogyo Co., Ltd. His experience in these organizations has contributed to his expertise in tensioner technology and innovation.
Collaborations
Hiraoka has collaborated with talented individuals in the field, including Takao Kobayashi and Hideaki Seki. These partnerships have fostered a creative environment that has led to the development of advanced tensioner solutions.
Conclusion
Kazuhito Hiraoka's contributions to tensioner technology demonstrate his innovative spirit and dedication to engineering excellence. His patents reflect a deep understanding of mechanical systems and a commitment to improving their functionality.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile