Ibaraki, Japan

Kenji Haraya

This inventor holds 1 USPTO granted patent. Top assignees: Agency of Industrial Science and Technology, Research Institute of Innovative Technology for the Earth, Sumitomo Electric Industries, Limited. Active years: 1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kenji Haraya. Retrieved from https://idiyas.com/inventor/kenji-haraya-3n8t1192

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 = 5.0

ph-index = 1

Forward Citations = 40(Granted Patents)


Company Filing History:


Years Active: 1995

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1 patent (USPTO):Explore Patents

Title: Kenji Haraya and His Carbon Dioxide Separation Membrane

Introduction

Kenji Haraya is an inventor associated with Ibaraki, Japan. His patent work includes a membrane designed to separate carbon dioxide using a hydrogel film and a carrier solution.

Latest Patents

The available information identifies one patent associated with Haraya: “Membrane for the Separation of Carbon Dioxide.” The invention describes a hydrogel film made from a cross-linked vinyl alcohol/acrylic acid salt copolymer, impregnated with an aqueous carrier solution containing a carbon dioxide carrier. The carrier solution may include a solvent, an alkali metal carbonate or bicarbonate, and a polydentate ligand capable of forming a complex with an alkali metal ion. The composition can also be used to prepare a liquid film for a carbon dioxide separation membrane. The supplied data lists 1 patent.

Career Highlights

Haraya’s career includes work with the Research Institute of Innovative Technology for the Earth and Sumitomo Electric Industries, Limited. His listed patent reflects work on membrane technology for carbon dioxide separation.

Collaborations

Haraya’s listed coworkers include Kazuhiro Okabe and Takayuki Mishima.

Conclusion

Kenji Haraya’s documented invention focuses on a hydrogel-based membrane and carrier solution for separating carbon dioxide, connecting his patent work with his experience at research and industrial organizations.

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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