Hiroyuki Shiraishi

Title: Hiroyuki Shiraishi: Innovator in Chemical Synthesis

Introduction

Hiroyuki Shiraishi is a notable inventor based in Hyogo, Japan. He has made significant contributions to the field of chemical synthesis, particularly in the production of halogenated compounds. With a total of 4 patents to his name, Shiraishi continues to push the boundaries of innovation in his area of expertise.

Latest Patents

One of Shiraishi's latest patents is a method for producing 2-halogenated benzoic acids. The purpose of this invention is to provide a method that imparts high regioselectivity and has a shorter reaction time compared to conventional methods. This innovative approach involves reacting benzoic acids with a halogenating agent in the presence of an alkaline compound, allowing for the highly selective production of 2-halogenated benzoic acids. Another significant patent is for a diaryl sulfone compound, which is represented by a specific formula. This compound features various substituents, including hydrogen, C-alkyl, or halogen, and is designed to enhance the efficiency of chemical processes.

Career Highlights

Throughout his career, Hiroyuki Shiraishi has worked with prominent companies such as Sumitomo Seika Chemicals Co., Ltd. and Zeria Pharmaceutical Co., Ltd. His experience in these organizations has contributed to his expertise in chemical synthesis and innovation.

Collaborations

Shiraishi has collaborated with notable individuals in his field, including Takeshi Fujiwara and Paul Kuad. These partnerships have likely enriched his research and development efforts, leading to groundbreaking advancements in chemical synthesis.

Conclusion

Hiroyuki Shiraishi is a distinguished inventor whose work in chemical synthesis has led to significant innovations. His latest patents demonstrate his commitment to advancing the field and improving production methods. His collaborations and career experiences further highlight his contributions to the industry.