Location History:
- Hamamatsu, JP (1991)
- Hamamtsu, JP (1991)
Company Filing History:
Years Active: 1991
Title: Tadayoshi Shirai: Innovator in Plastic Engineering
Introduction
Tadayoshi Shirai is a notable inventor based in Hamamatsu, Japan. He has made significant contributions to the field of plastic engineering, particularly in the development of innovative components that enhance the functionality and durability of mechanical systems. With a total of 2 patents to his name, Shirai's work exemplifies the intersection of creativity and technical expertise.
Latest Patents
Shirai's latest patents include a novel ball joint design and a method for creating a dust-proof boot. The ball joint features an inner layer made of fiber-reinforced plastic resin and an outer layer of self-lubricating plastic resin. This design allows for smooth operation, as a spherical inner chamber in the outer layer holds a ball portion of a ball stud. The stud portion extends from the chamber for connection to external devices. Additionally, the link rod associated with this ball joint includes a metallic rod embedded in the plastic resin, enhancing its structural integrity.
The second patent focuses on a method for producing a plastic dust boot with ridges that prevent distortion. This boot is designed for equipment shafts with spaced annular grooves. It features an expandable central belly portion and attachment ring portions that fit into the shaft grooves. The innovative design includes inwardly protruding annular ridge members that ensure a secure fit and prevent distortion during the manufacturing process.
Career Highlights
Shirai is currently employed at Ishikawa Tekko Kabushiki Kaisha, where he continues to push the boundaries of plastic engineering. His work has not only contributed to the company's success but has also advanced the industry standards for mechanical components.
Collaborations
Throughout his career, Shirai has collaborated with talented individuals such as Masahito Hioki and Masaji Yamamori. These partnerships have fostered a creative environment that encourages innovation and the sharing of ideas.
Conclusion
Tadayoshi Shirai's contributions to the field of plastic engineering through his patents and collaborations highlight his role as a significant inventor. His innovative designs continue to influence the industry and pave the way for future advancements.