Location History:
- Yamaguchi, JP (1998 - 2007)
- Ube, JP (2021)
Company Filing History:
Years Active: 1998-2021
Title: Seiichi Arakawa: Innovator in Polyamide Resin Technology
Introduction
Seiichi Arakawa is a notable inventor based in Ube, Japan. He has made significant contributions to the field of polyamide resin technology, holding a total of 3 patents. His work focuses on developing advanced materials that meet specific performance criteria in various applications.
Latest Patents
One of Arakawa's latest patents is a polyamide resin composition that provides a molded body capable of suppressing dimensional change upon water absorption. This invention also boasts excellent abrasion resistance after water absorption, high impact strength, and superior surface strength. The resin composition includes a glass fiber with a non-circular cross-section and a polyamide resin with a structural unit containing more than six carbon atoms per amide group. The polyamide resin has a number average molecular weight ranging from 20,000 to 40,000, with glass fiber content between 15 mass % and 60 mass %.
Another significant patent involves a polyamide resin composition designed for parts of an engine cooling water system. This composition consists of 100 parts by weight of a polyamide resin made from 50% to 98% by weight of nylon 66, 1% to 30% by weight of an aromatic polyamide resin, and 1% to 20% by weight of nylon 12. Additionally, it includes 5 to 150 parts by weight of an inorganic filler, ensuring that the total content of nylon 66, the aromatic polyamide resin, and nylon 12 equals 100% by weight.
Career Highlights
Seiichi Arakawa is currently employed at Ube Industries, Inc., where he continues to innovate in the field of materials science. His work has been instrumental in advancing the performance and application of polyamide resins in various industries.
Collaborations
Throughout his career, Arakawa has collaborated with notable colleagues, including Akio Miyamoto and Tadashi Ogawa. These partnerships have contributed to the development of innovative solutions in the field of polyamide resins.
Conclusion
Seiichi Arakawa's contributions to polyamide resin technology highlight his role as a key innovator in the industry. His patents reflect a commitment to enhancing material performance and expanding their applications. His work continues to influence advancements in engineering and manufacturing processes.