Keiichi Hirata

Title: Keiichi Hirata: Innovator in Gas Chromatography

Introduction

Keiichi Hirata is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of gas chromatography, particularly through his innovative patents. With a total of 2 patents, Hirata's work has advanced the technology used in this important analytical technique.

Latest Patents

Hirata's latest patents include an adsorption type packing for gas chromatography and a process for producing it. The adsorption type packing is composed of finely divided carbon particles and has a specific ratio of nitrogen gas adsorption at different relative pressures. This packing achieves a V.sub.0.3 /V.sub.1.0 ratio of 0.9 or more, with a BET specific surface area ranging from 1,000 to 2,000 m²/g. Additionally, he developed supports for gas chromatography that consist of aggregates of finely divided carbon particles. These aggregates have a bulk specific gravity of 0.2 to 0.5 and a specific surface area of not more than 1.0 m²/g. The production process involves coating finely divided particles with a liquid thermosetting resin and subjecting them to various treatments.

Career Highlights

Throughout his career, Keiichi Hirata has worked with prominent companies such as Shinwa Chemical Industries Ltd. and Nippon Carbon Co., Ltd. His experience in these organizations has contributed to his expertise in the field of gas chromatography.

Collaborations

Hirata has collaborated with notable colleagues, including Hiroshi Ichikawa and Akira Yokoyama. These partnerships have likely enriched his work and led to further advancements in his research.

Conclusion

Keiichi Hirata's contributions to gas chromatography through his innovative patents and collaborations highlight his importance in the field. His work continues to influence the development of analytical techniques that are essential in various scientific applications.