Yokohama, Japan

Kenji Maruhashi

This inventor holds 5 USPTO granted patents. Top assignee: Nippon Oil Company. Active years: 1982-1984.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kenji Maruhashi. Retrieved from https://idiyas.com/inventor/kenji-maruhashi

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 = 3.7

ph-index = 1

Forward Citations = 5(Granted Patents)


Company Filing History:


Years Active: 1982-1984

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5 patents (USPTO):Explore Patents

Title: Kenji Maruhashi: Innovator in Porphyrin and Vitamin B12 Separation

Introduction

Kenji Maruhashi is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of chemical separation processes, particularly in the purification of porphyrins and vitamin B12. With a total of 5 patents to his name, Maruhashi's work has had a meaningful impact on various applications in the chemical industry.

Latest Patents

Maruhashi's latest patents include innovative processes for separating porphyrins and purifying vitamin B12. The process for separating porphyrins involves a unique methodology that enhances the efficiency of extraction. Additionally, his process for purifying and separating vitamin B12 utilizes a specialized resin to effectively remove impurities, ensuring the collection of active eluate.

Career Highlights

Kenji Maruhashi is currently associated with Nippon Oil Company, where he continues to develop and refine his innovative techniques. His work has been instrumental in advancing the methods used in chemical separations, contributing to the efficiency and effectiveness of these processes in industrial applications.

Collaborations

Throughout his career, Maruhashi has collaborated with esteemed colleagues such as Ichiro Kojima and Yasuo Fujiwara. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Kenji Maruhashi's contributions to the field of chemical separation are noteworthy. His innovative processes for purifying porphyrins and vitamin B12 demonstrate his commitment to advancing technology in this area. His work continues to influence the industry and inspire future innovations.

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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