Yutaka Hirao

Title: Yutaka Hirao: Innovator in Immunoglobulin Preparation

Introduction

Yutaka Hirao is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of immunology, particularly in the development of immunoglobulin preparations for intravenous injection. With a total of 10 patents to his name, Hirao's work has had a substantial impact on medical treatments.

Latest Patents

Hirao's latest patents include a method for producing a room temperature storable immunoglobulin preparation for intravenous injection. This innovative method involves fractionating an immunoglobulin-containing solution with 4 to 10 w/v% of polyethylene glycol, which has a molecular weight ranging from 1,000 to 10,000. The process is conducted at a pH value of 4.5 to 6.5, an ionic strength of 0.0001 to 0.1 M, and a temperature between 0 to 4°C to recover a supernatant fraction. The supernatant fraction is then concentrated at a pH of 3.5 to 5.0, ensuring the preparation is suitable for medical use.

Career Highlights

Throughout his career, Hirao has worked with notable companies such as the Green Cross Corporation and Welfide Corporation. His experience in these organizations has allowed him to refine his skills and contribute to advancements in immunology.

Collaborations

Hirao has collaborated with esteemed colleagues, including Yahiro Uemura and Kazuo Takechi. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.

Conclusion

Yutaka Hirao's contributions to the field of immunology through his innovative patents and collaborations highlight his importance as an inventor. His work continues to influence medical practices and improve patient care.