Masahide Yamada

Title: Masahide Yamada: Innovator in Polymerizable Composition

Introduction

Masahide Yamada is a notable inventor based in Shinjuku-ku, Japan. He has made significant contributions to the field of polymer chemistry, particularly in the development of methods for producing polymerizable compositions. His innovative work has led to advancements in optical components, showcasing his expertise and dedication to the industry.

Latest Patents

Masahide Yamada holds 1 patent for a method for producing a polymerizable composition. This method involves several steps, including the preparation of two distinct compositions. Composition A is created with a water content of 200 ppm by mass or less, incorporating a polyisocyanate component without a polymerization catalyst. Composition B is prepared with a water content of 1,000 ppm by mass or less, containing a polythiol component. The final step involves mixing these two compositions to obtain a polymerizable composition, which can then be injected into a molding die for polymerization.

Career Highlights

Masahide Yamada is currently employed at Hoya Lens Thailand Ltd., where he continues to apply his expertise in polymer chemistry. His work at Hoya Lens has allowed him to contribute to the development of high-quality optical components, enhancing the performance and reliability of various products in the market.

Collaborations

Yukio Kageyama is a coworker of Masahide Yamada, and together they have worked on various projects that leverage their combined knowledge and skills in the field of polymer science.

Conclusion

Masahide Yamada's innovative approach to producing polymerizable compositions has made a significant impact in the field of optics. His contributions continue to influence the development of advanced materials and technologies.