Company Filing History:
Years Active: 1992-2003
Title: The Innovative Mind of Masanori Hirasawa
Introduction
Masanori Hirasawa, an accomplished inventor based in Kurobe, Japan, has made significant contributions to the field of materials engineering. With a total of four patents to his name, Hirasawa has focused much of his work on innovations that enhance the functionality and durability of slide fasteners.
Latest Patents
Hirasawa's latest patents include the development of a reinforcing tape for slide fasteners, which consists of a polyamide elastomer film that exhibits a modulus of elasticity in bending between 6,000 and 9,000 kg/cm, complemented by an adhesive layer. In an effective embodiment, a polyester hot-melt adhesive is utilized. Additionally, his patent describes an intermediate layer that is thinner than both the polyamide elastomer film and the adhesive layer, which employs a polyester anchor coat agent.
Another notable patent outlines a slide fastener design featuring a pair of dyed fastener tapes, each equipped with coupling elements along a longitudinal edge. Hirasawa's reinforcing tapes, made from a transparent elastomer film with an adhesive layer, are welded or fusion bonded to the terminal ends of the dyed fastener tapes. This design gives the welded parts a knurled surface for improved grip and functionality.
Career Highlights
Hirasawa's career has seen him engage with prominent companies in the industry, including YKK Corporation and Yoshida Kogyo K.K. Through these roles, he has honed his skills and expertise, leading to his successful patent applications.
Collaborations
Throughout his career, Hirasawa has worked alongside notable colleagues, including Shigeru Funakawa and Osamu Fujii. Their collaboration has undoubtedly enriched his innovative pursuits and contributed to the advancements in slide fastener technologies.
Conclusion
Masanori Hirasawa exemplifies the spirit of innovation through his significant patents and contributions to the slide fastener industry. His work not only enhances product performance but also sets the stage for future advancements in materials engineering. With a focus on reinforcing tape technologies, Hirasawa continues to influence how fasteners are designed and manufactured in today’s market.