Location History:
- Kurashiki, JP (1979 - 1984)
- Sojya, JP (1985)
- Soja, JP (1985 - 1992)
Company Filing History:
Years Active: 1979-1992
Title: Hiroshi Narukawa: Innovator in Polyvinyl Alcohol Fiber Technology
Introduction
Hiroshi Narukawa is a prominent inventor based in Soja, Japan. He has made significant contributions to the field of materials science, particularly in the development of polyvinyl alcohol (PVA) fibers. With a total of 8 patents to his name, Narukawa's work has advanced the performance and applications of synthetic fibers.
Latest Patents
Narukawa's latest patents include innovations in polyvinyl alcohol fibers that exhibit excellent resistance to hot water. One of his notable inventions is a polyvinyl alcohol fiber characterized by a specific higher-order structure. This fiber is designed to maintain high tenacity and modulus while achieving a breaking temperature in hot water of at least 125°C, and potentially 130°C. Another significant patent involves a high-performance PVA fiber that boasts high strength, elastic modulus, and resistance to fatigue, hot water, and chemicals. This fiber can be pulpified while retaining its excellent features, thanks to its unique fibril-aggregate structure.
Career Highlights
Hiroshi Narukawa is associated with Kuraray Co., Ltd., a leading company in the production of advanced materials. His work at Kuraray has positioned him as a key figure in the development of innovative fiber technologies. His contributions have not only enhanced the properties of PVA fibers but have also opened new avenues for their application in various industries.
Collaborations
Narukawa has collaborated with notable colleagues such as Yasuhira Takeuchi and Akitsugu Akiyama. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas in the field of materials science.
Conclusion
Hiroshi Narukawa's contributions to polyvinyl alcohol fiber technology exemplify the impact of innovation in materials science. His patents reflect a commitment to enhancing fiber performance, which has significant implications for various applications. His work continues to inspire advancements in the field.