Shin-ichi Yamada

Title: The Innovative Contributions of Shin-ichi Yamada

Introduction

Shin-ichi Yamada, based in Takarazuka, Japan, is a notable inventor recognized for his contributions to the field of pharmaceuticals. With a total of three patents to his name, Yamada has made significant strides in the development of optically active compounds.

Latest Patents

Yamada's latest patents showcase his expertise in organic chemistry. One of his key inventions is the "Acid-addition salts of optically active piperidine compound and process for producing the same." This patent details the provision of benzenesulfonic acid and benzoic acid salts derived from (S)-4-[4-[(4-chlorophenyl)(2-pyridyl)methoxy]piperidino]butanoic acid, represented by a specific formula.

Another significant patent is related to "Optically active benzothiazepine compounds and process for preparing them." This innovation involves creating an optically active salt of a 1,5-benzothiazepine compound, utilizing preferential crystallization of a racemic salt to yield desirable compounds used in various applications.

Career Highlights

Throughout his career, Shin-ichi Yamada has been associated with Tanabe Seiyaku Company, Limited, a pharmaceutical firm known for its innovative approaches to drug development. His work has contributed to advancements in pharmaceutical formulations and the processing of active compounds.

Collaborations

Yamada has collaborated with distinguished colleagues, including Ryuzo Yoshioka and Takeji Shibatani. These partnerships have fostered an environment of innovation and development, aiding in the advancement of their collective research efforts.

Conclusion

Shin-ichi Yamada's innovative contributions in the field of pharmaceuticals have demonstrated the potential of optically active compounds in various applications. His patents reflect a dedication to advancing drug development and enhancing pharmaceutical formulations, making him a valuable figure in the world of inventors.