Hiroshi Harima

Title: Innovator Hiroshi Harima: Pioneering Water-Swellable Rubber Technology

Introduction

Hiroshi Harima, an esteemed inventor based in Hasaki, Japan, has made significant contributions to the field of rubber compositions. With a total of six patents to his name, his innovations have notably advanced the technology surrounding watertight sealing materials and water-absorbing rubber compositions. His work combines creativity with scientific expertise, addressing critical needs in various applications.

Latest Patents

Hiroshi Harima's most recent patents include innovative designs in compression-resistant water-swellable rubber composition and watertight materials. The first patent presents a novel watertight rubbery sealing material demonstrating remarkable resistance to compression in dry conditions. This sealing material is a shaped and vulcanized body composed of a water-swellable rubber mix that includes chloroprene rubber, highly water-absorptive resins like crosslinked polyacrylic acid (sodium salt), and metal oxide-based vulcanizing agents, specifically magnesium oxide and zinc oxide.

His second patent describes a water-absorbing rubber composition, featuring a 1,3-diene rubber with specific crystalline properties, blended with a highly water-absorbing resin. This innovative resin, derived from crosslinked polymers, exhibits exceptional water absorption capabilities and maintains durability even when swollen, making it a versatile solution for various applications.

Career Highlights

Hiroshi Harima has been associated with notable companies, including Kuraray Co., Ltd. and C.I. Kasei Company, Limited. His tenure at these organizations has allowed him to deepen his expertise in rubber composition technologies and to develop advanced solutions that cater to the demands of modern industries.

Collaborations

Throughout his career, Harima has worked closely with distinguished peers such as Yoshihiro Yoshioka and Toshihiro Kimura. Collaborating with fellow experts has enabled him to enrich his research and innovation processes, fostering an environment of creative problem-solving and technical advancement.

Conclusion

Hiroshi Harima's work continues to inspire the innovations in rubber technology, especially in the realms of watertight materials and water-absorbing compositions. His ongoing contributions not only reflect his ingenuity as an inventor but also highlight the importance of collaboration and research in the advancement of materials science. With evolving technologies, Harima's inventions will undoubtedly pave the way for future developments in the industry.