This inventor holds 28 USPTO granted patents and 3 EPO patents, primarily in Hydraulic Couplings. Top assignees: Dana Corporation, Torque-Traction Technologies, Inc., Dana Automotive Systems Group, LLC. Active years: 1993-2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Ft. Wayne, IN (US) (2004)
- Fort Wayne, IN (US) (1993 - 2007)
- Waterville, OH (US) (2006 - 2008)
- Canton, MI (US) (2008 - 2019)
Company Filing History:


Years Active: 1993-2026
Areas of Expertise:
Title: Innovations by Jun Yoshioka in Composite Coil Spring Technology
Introduction
Jun Yoshioka, based in Fort Wayne, Indiana, has made significant contributions to the field of engineering with an impressive portfolio of 27 patents. His innovative work focuses on advancements in composite materials, particularly in the design and application of coil springs.
Latest Patents
Among his latest inventions is a composite coil spring, which features a distinctive coil body extending along a coiled axis. This innovative design incorporates a core surrounded by fiber layers that are impregnated with polymer material. The fiber layers are strategically arranged at varying radial distances from the coiled axis and are designed to extend at oblique angles. Notably, Yoshioka’s design includes glass and carbon fiber layers, with each layer featuring a specific number of fibers that varies based on common base numbers multiplied by positive integers. This distinctive method of arrangement enhances the performance and versatility of the coil springs.
Career Highlights
Jun Yoshioka's career has included prominent positions at reputable companies such as Dana Corporation and Torque-Traction Technologies, Inc. Through his work, he has significantly impacted the development of composite materials and engineering solutions.
Collaborations
Throughout his career, Yoshioka has collaborated with skilled professionals such as David Marshall Morse and John Allen Grogg. These collaborations have further enriched his projects and fostered innovation in the engineering sector.
Conclusion
Jun Yoshioka's innovative approach to composite coil spring technology exemplifies his commitment to advancing engineering practices. With numerous patents to his name, his work continues to shape the industry, making profound contributions to the field of materials engineering.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile