Location History:
- Toyama-ken, JP (2000 - 2006)
- Toyama, JP (2014 - 2015)
Company Filing History:
Years Active: 2000-2015
Title: Masashi Doi: Innovator in Fastener Technology
Introduction
Masashi Doi is a prominent inventor based in Toyama-ken, Japan. He has made significant contributions to the field of fastener technology, holding a total of 6 patents. His innovative designs have improved the functionality and performance of slide fasteners, making them more efficient and reliable.
Latest Patents
Masashi Doi's latest patents include a "Fastener stringer for concealed slide fastener" and a "Fastener stringer for hidden slide fastener." The first invention provides a fastener stringer for a concealed slide fastener, where the right and left fastener tapes include a tape body portion, a tape bend portion bent into a U-shape, and an element mounting portion. A hollow weave portion is formed at each fastener tape, accommodating a film body that enhances the stiffness of the hollow weave portion. This improvement maintains a closely-contacted state between the tape bend portions, thereby enhancing the concealing characteristics of the fastener. The second invention focuses on a fastener stringer for a hidden slide fastener, which includes a main tape body and a folded tape portion. This design enhances the rigidity of the folded tape portion and prevents misalignment of the warp yarn, improving the hiding performance of the fastener.
Career Highlights
Masashi Doi is currently employed at YKK Corporation, a leading company in the fastener industry. His work has been instrumental in advancing the technology behind slide fasteners, contributing to the company's reputation for quality and innovation.
Collaborations
Throughout his career, Masashi Doi has collaborated with notable coworkers, including Akira Takano and Takayuki Hasegawa. These collaborations have fostered a creative environment that encourages the development of cutting-edge fastener solutions.
Conclusion
Masashi Doi's contributions to fastener technology have significantly impacted the industry. His innovative patents demonstrate his commitment to enhancing the functionality and performance of slide fasteners.