Shoei Fujishige

Title: The Innovations of Shoei Fujishige

Introduction

Shoei Fujishige is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of polymer chemistry, holding a total of seven patents. His work focuses on developing novel compounds and compositions that have practical applications in various industries.

Latest Patents

Fujishige's latest patents include the development of N-(2-methoxyethyl)-N-isopropylacrylamide, a novel compound that leads to the creation of a hydrophilic-hydrophobic thermally reversible macromolecular compound. This compound exhibits a transition temperature ranging from 12°C to 14°C. Another significant patent involves a thickener composition and a method for its preparation, which is particularly useful in enhanced oil recovery within petroleum technology. This thickener composition is created by reacting xanthan gum or similar high molecular weight polysaccharides with low molecular weight aliphatic aldehydes, such as formaldehyde, in an aqueous medium. The presence of inorganic salts, like sodium chloride, enhances the thermal stability of the resulting polysaccharide solution.

Career Highlights

Throughout his career, Fujishige has worked with esteemed organizations, including the Agency of Industrial Science and Technology and the Ministry of International Trade and Industry. His experience in these institutions has allowed him to contribute to advancements in industrial science and technology.

Collaborations

Fujishige has collaborated with notable colleagues, including Yukimichi Nakao and Rikio Numajiri. These partnerships have fostered innovation and the exchange of ideas in their respective fields.

Conclusion

Shoei Fujishige's contributions to polymer chemistry and his innovative patents demonstrate his commitment to advancing technology. His work continues to impact various industries, showcasing the importance of research and development in creating practical solutions.