Yoshifumi Hosaka

Title: Innovations of Yoshifumi Hosaka

Introduction

Yoshifumi Hosaka is a notable inventor based in Ibaraki, Japan. He has made significant contributions to the field of adhesive preparations, particularly in the development of innovative formulations that enhance skin permeability and reduce stickiness.

Latest Patents

Hosaka holds a total of 8 patents, with his latest inventions focusing on adhesive preparations containing fentanyl. One of his notable patents describes a fentanyl-containing percutaneously absorbable adhesive preparation. This invention utilizes economic starting materials and features a simpler constitution compared to conventional products. It allows for control of skin permeability by adjusting the mixing ratio of two types of polyisobutylene with different molecular weights, a tackifier, and an organic liquid. Another recent patent presents an adhesive that reduces stickiness and cohesive failure. This adhesive is composed of a copolymer created by copolymerizing monomers that include a (meth)acrylic acid alkyl ester and a vinyl monomer with a hydroxyl or carboxyl group, exhibiting an average molecular radius of not less than 70 nm.

Career Highlights

Throughout his career, Yoshifumi Hosaka has worked with prominent companies such as Nitto Denko Corporation and Nitto Electric Industrial Co., Ltd. His work has significantly impacted the adhesive industry, particularly in the development of advanced adhesive technologies.

Collaborations

Hosaka has collaborated with esteemed colleagues, including Saburo Otsuka and Hitoshi Akemi. These partnerships have contributed to the advancement of his innovative projects and patents.

Conclusion

Yoshifumi Hosaka's contributions to adhesive technology, particularly in the realm of fentanyl-containing preparations, showcase his innovative spirit and dedication to improving product efficacy. His work continues to influence the industry and pave the way for future advancements.