Hideki Tsuruta

Title: Innovations of Hideki Tsuruta in Vitamin D Derivatives

Introduction

Hideki Tsuruta is a prominent inventor based in Iwakuni, Japan. He has made significant contributions to the field of vitamin D derivatives, holding a total of 10 patents. His work focuses on novel processes for the preparation of active-type vitamin D compounds, which have important applications in immunoassays.

Latest Patents

Tsuruta's latest patents include innovative methods for creating vitamin D.sub.3 derivatives. One of his notable inventions relates to novel vitamin D.sub.3 derivatives that possess a carboxyl group or its ester group at the 22-position. This invention also encompasses processes for preparing these derivatives and antigens that utilize them for antibody production in enzyme immunoassays or radioimmunoassays. Another significant patent details a process for preparing active-type vitamin D.sub.3 compounds, such as 1.alpha.-hydroxycholecalciferol and 1.alpha.,25-dihydroxycholecalciferol. This process is characterized by its efficiency and industrial advantages, allowing for large-scale commercial production.

Career Highlights

Tsuruta is associated with Teijin Limited, a company known for its innovative approaches in various fields, including pharmaceuticals. His work has not only advanced the understanding of vitamin D compounds but has also contributed to the development of practical applications in the medical field.

Collaborations

Tsuruta has collaborated with notable colleagues such as Yataro Ichikawa and Osamu Nishikawa. Their combined expertise has further enhanced the research and development of vitamin D derivatives.

Conclusion

Hideki Tsuruta's contributions to the field of vitamin D derivatives exemplify the impact of innovative research on health and medicine. His patents and collaborative efforts continue to pave the way for advancements in this vital area of study.