Osaka, Japan

Hajimu Kitahara

This inventor holds 2 USPTO granted patents. Top assignees: Sumitomo Chemical Company, Limited, Sumika Chemical Analysis Service, Limited. Active years: 1985-1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hajimu Kitahara. Retrieved from https://idiyas.com/inventor/hajimu-kitahara

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


% Patents Active = 100.0

Average Co-Inventor Count = 2.4

ph-index = 2

Forward Citations = 44(Granted Patents)


Company Filing History:


Years Active: 1985-1990

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2 patents (USPTO):Explore Patents

Title: Hajimu Kitahara: Innovator in Chromatographic Materials

Introduction

Hajimu Kitahara is a notable inventor based in Osaka, Japan. He has made significant contributions to the field of chromatography, particularly in the development of packing materials for chromatographic use. With a total of 2 patents, his work has advanced the methods used in liquid chromatography analysis.

Latest Patents

Kitahara's latest patents focus on innovative packing materials designed for chromatographic applications. One of his patents describes a packing material wherein an organosilane is grafted onto an inorganic carrier with hydroxyl groups on its surface. This material is particularly useful for analyzing enantiomer mixtures. Another patent details a packing material that includes various organosilane derivatives, which enhance the separation and analysis of compounds with specific functional groups.

Career Highlights

Throughout his career, Hajimu Kitahara has worked with prominent companies such as Sumitomo Chemical Company and Sumika Chemical Analysis Service. His experience in these organizations has allowed him to refine his expertise in chemical analysis and material development.

Collaborations

Kitahara has collaborated with notable colleagues, including Naobumi Oi and Tadashi Doi. These partnerships have contributed to the advancement of his research and the successful development of his patented technologies.

Conclusion

Hajimu Kitahara's contributions to chromatography through his innovative patents and collaborations highlight his role as a key figure in the field. His work continues to influence the methods used in chemical analysis today.

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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