Norinobu Yoshikawa

Title: Norinobu Yoshikawa: Innovator in Sunscreen and Cosmetic Technology

Introduction

Norinobu Yoshikawa is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of cosmetic technology, particularly in the development of innovative sunscreen formulations. With a total of four patents to his name, Yoshikawa's work focuses on enhancing the effectiveness and safety of cosmetic products.

Latest Patents

Yoshikawa's latest patents include a groundbreaking formulation for water-in-oil type emulsion sunscreen cosmetics. This invention provides an excellent UV blocking effect while preventing discoloration, particularly the transition to red. The formulation is characterized by the inclusion of octocrylene, hydrophobized zinc oxide, cationic surfactants, and silica. Another notable patent involves composite powders and skin preparations for external use. This complex powder is designed to improve rough skin and is particularly beneficial for sensitive skin types.

Career Highlights

Throughout his career, Yoshikawa has worked with esteemed companies such as Shiseido Company, Limited and the Shiseido Research Center. His experience in these organizations has allowed him to refine his expertise in cosmetic formulations and product development.

Collaborations

Yoshikawa has collaborated with notable colleagues, including Hiroyuki Yokoyama and Satoshi Tomomasa. These partnerships have contributed to the advancement of innovative cosmetic technologies.

Conclusion

Norinobu Yoshikawa's contributions to sunscreen and cosmetic technology highlight his role as a leading inventor in the industry. His innovative patents continue to influence the development of effective and safe cosmetic products.