Shizuo Katayama

Title: Shizuo Katayama: Innovator in Microencapsulation Technology

Introduction: Shizuo Katayama is a notable inventor based in Fujimiya, Japan. He is recognized for his contributions to the field of microencapsulation, particularly in the preparation of oil-containing microcapsules. His innovative approach has implications in various industries, including pharmaceuticals and food technology.

Latest Patents: Katayama holds a patent for a process for preparing oil-containing microcapsules. This process involves cooling a coacervate dispersion of a gelatin-containing colloid that is deposited around individual oil droplets. The method enhances the gelation of the colloid and subsequently hardens it by adding a hardening agent and adjusting the pH to the alkaline region. A significant improvement in this process is the addition of an aqueous solution of an anionic high molecular weight electrolyte and an aqueous solution of an anionic surface active agent after gelation but prior to hardening. Specific electrolytes and surface active agents are disclosed in his patent.

Career Highlights: Shizuo Katayama is associated with Fuji Photo Film Company, Limited, where he has applied his expertise in microencapsulation. His work has contributed to advancements in the company's product offerings and has positioned him as a key figure in the field.

Collaborations: Throughout his career, Katayama has collaborated with notable colleagues, including Hiroharu Matsukawa and Masataka Kiritani. These collaborations have fostered innovation and have led to significant developments in their respective areas of expertise.

Conclusion: Shizuo Katayama's work in microencapsulation technology exemplifies the impact of innovative thinking in scientific research and product development. His contributions continue to influence various industries, showcasing the importance of patents in protecting and promoting inventive ideas.