Akitoshi Shirasaka

Title: The Innovative Contributions of Akitoshi Shirasaka

Introduction

Akitoshi Shirasaka, an esteemed inventor based in Kawanishi, Japan, has made significant strides in the field of coatings and paint technology. With three patents to his name, he has developed innovative compositions that enhance the performance and durability of coatings used in various industries, particularly the automotive sector.

Latest Patents

Among Shirasaka's latest innovations is a patent for a composition for cationic electrodeposition coating. This composition is designed to improve edge protection capability while maintaining the conventional ingredients used in electrocoating, such as an aqueous cationic resin. Notably, it incorporates micro-resin particles that are water dispersible, comprising an internally crosslinked polymer with both active hydrogen-containing monomers and monomers with multiple active double bonds.

Another notable invention is his patent for a composite paint film coating, specifically formulated for use on steel sheets of automotive vehicle bodies. This composite consists of an electrodeposition paint film, which is applied to the steel sheet, and an intermediate paint film layered above. The electrodeposition paint film maintains a minimum melt viscosity during hardening, allowing for precise application and adhesion. The formulation features a cationic thermosetting resin and a cross-linked particulate resin that is engineered for optimal performance.

Career Highlights

Throughout his career, Akitoshi Shirasaka has worked with reputable companies, including Shinto Paint Co., Ltd. and Nissan Motor Company Limited. His expertise and innovative mindset have contributed greatly to advancements in coating technologies used in automotive manufacture and other applications.

Collaborations

Shirasaka has had the opportunity to collaborate with notable colleagues like Hitoshi Kimura and Shigenori Kazama. These partnerships have facilitated a shared exchange of ideas and expertise, culminating in successful developments in the area of cationic coatings.

Conclusion

Akitoshi Shirasaka's contributions to the realm of coatings through his innovative inventions and patents underscore the importance of continued research and development in this field. His work not only enhances the durability and efficacy of coatings but also benefits the industries that rely heavily on these materials for their products.