This inventor holds 3 USPTO granted patents and 1 published patent application, plus 1 CIPO patent and 2 EPO patents. Top assignees: Toyobo Co., Ltd., Teikoku Seiyaku Co., Ltd., Toyco Cloth Co., Ltd.. Active years: 2018-2020.
Company Filing History:
3 out of 397 
2 out of 95 
1 out of 1 Years Active: 2018-2020
Title: Hiroyasu Sakaguchi: Innovator in Non-Woven Fabric Technology
Introduction
Hiroyasu Sakaguchi is a notable inventor based in Osaka, Japan. He has made significant contributions to the field of non-woven fabric technology, holding a total of 3 patents. His innovative work focuses on enhancing the properties and applications of resin-coated non-woven fabrics.
Latest Patents
Sakaguchi's latest patents include a resin-coated non-woven fabric that can be welded through a high-frequency welder. This fabric can be modified in hardness and features a clear embossed pattern. The invention comprises a filament non-woven fabric made of polyethylene terephthalate, weighing between 50 to 150 g/m. The resin coat layer, positioned over one surface, has a coating amount of 40 to 150 g/m after drying. This layer contains 10 to 45% by mass of a vinyl chloride unit and 30 to 55% by mass of a (meth)acrylic acid ester unit, with an embossed pattern on its surface.
Another significant patent involves a backing with a three-layer structure. This backing is designed to hold a pasty preparation securely, preventing leakage. It consists of an inner fiber layer, a film layer with through-holes, and an air-permeable outer fiber layer. Additionally, an aqueous patch utilizing this backing can be applied for extended periods.
Career Highlights
Throughout his career, Sakaguchi has worked with prominent companies such as Toyobo Co., Ltd. and Teikoku Seiyaku Co., Ltd. His experience in these organizations has contributed to his expertise in the development of innovative materials.
Collaborations
Sakaguchi has collaborated with notable coworkers, including Sadanobu Shirai and Masahiro Inazuki. Their combined efforts have further advanced the field of non-woven fabric technology.
Conclusion
Hiroyasu Sakaguchi's contributions to non-woven fabric technology through his patents demonstrate his innovative spirit and dedication to improving material applications. His work continues to influence the industry and inspire future advancements.