This inventor holds 1 USPTO granted patent and 1 EPO patent. Top assignee: Asahi Kasei Kabushiki Kaisha. Active years: 2021.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2021
Title: Hisho Yamada: Innovator in Polyamide Composition
Introduction
Hisho Yamada is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of materials science, particularly in the development of polyamide compositions. His innovative work has led to the creation of a patented formulation that enhances the properties of polyamide materials.
Latest Patents
Hisho Yamada holds a patent for a polyamide composition and molded article. The invention provides a polyamide composition containing 50 to 99 parts by mass of an aliphatic polyamide formed from a diamine and a dicarboxylic acid, along with 1 to 50 parts by mass of a semi-aromatic polyamide. This semi-aromatic polyamide includes a dicarboxylic acid unit that consists of at least 75 mol % of isophthalic acid and a diamine unit that includes at least 50 mol % of a diamine with 4 to 10 carbon atoms. The composition is characterized by a tan δ peak temperature of at least 90°C and a weight average molecular weight Mw that satisfies the range of 15,000 ≤ Mw ≤ 35,000. Additionally, the invention encompasses a molded article formed using this polyamide composition.
Career Highlights
Hisho Yamada is associated with Asahi Kasei Corporation, where he has been instrumental in advancing research and development in polymer materials. His work has not only contributed to the company's portfolio but has also positioned him as a key figure in the field of polyamide innovations.
Collaborations
Hisho Yamada has collaborated with notable colleagues such as Shinji Ieda and Koichi Nagase. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas within the realm of materials science.
Conclusion
Hisho Yamada's contributions to polyamide compositions exemplify the impact of innovative thinking in materials science. His patented work continues to influence the development of advanced materials, showcasing the importance of research and collaboration in driving technological progress.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile