Hyogo, Japan

Kojiro Hirai

This inventor holds 1 USPTO granted patent. Top assignee: Sysmex Corporation. Active years: 2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kojiro Hirai. Retrieved from https://idiyas.com/inventor/kojiro-hirai

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 7.0

ph-index = 1

Forward Citations = 2(Granted Patents)


Company Filing History:


Years Active: 2006

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1 patent (USPTO):Explore Patents

Title: Kojiro Hirai: Innovator in Hematopoietic Progenitor Cell Detection

Introduction

Kojiro Hirai is a notable inventor based in Hyogo, Japan. He has made significant contributions to the field of medical technology, particularly in the detection of hematopoietic progenitor cells. His innovative methods have the potential to enhance diagnostic processes in hematology.

Latest Patents

Hirai holds a patent for a method of detecting hematopoietic progenitor cells. This improved method allows for the detection and counting of these cells by mixing a blood sample with a reagent that can identify immature cells without using immunological techniques. The process involves obtaining cell information through a particle analyzer and constructing a cell distribution profile. A specific zone within this profile is delineated to count the cells of interest. This method provides a simple and positive approach to detecting hematopoietic progenitor cells.

Career Highlights

Kojiro Hirai is associated with Sysmex Corporation, a company known for its advancements in laboratory diagnostics. His work has contributed to the development of innovative technologies that improve patient care and diagnostic accuracy.

Collaborations

Hirai has collaborated with notable colleagues, including Berend Houwen and Yukio Tsujino. These partnerships have fostered a collaborative environment that enhances research and development in their field.

Conclusion

Kojiro Hirai's contributions to the detection of hematopoietic progenitor cells exemplify the impact of innovation in medical technology. His work continues to influence the field and improve diagnostic methodologies.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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