Hitachinaka, Japan

Kazuma Kuroki

This inventor holds 7 USPTO granted patents and 3 published patent applications. Top assignees: Hitachi Metals, Ltd., Hitachi Cable, Inc.. Active years: 2008-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuma Kuroki. Retrieved from https://idiyas.com/inventor/kazuma-kuroki

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

USPTO Granted Patents = 7 

% Patents Active = 14.3

Average Co-Inventor Count = 4.3

ph-index = 1

Forward Citations = 4(Granted Patents)


Company Filing History:


Years Active: 2008-2016

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7 patents (USPTO):Explore Patents

Title: Innovator Spotlight: Kazuma Kuroki and His Contributions to Solder Joint Technology

Introduction: Kazuma Kuroki, an inventor based in Hitachinaka, Japan, is recognized for his significant contributions to the field of solder joint materials. With a total of seven patents to his name, Kuroki is making strides in enhancing the reliability of connections in electronic devices.

Latest Patents: Kuroki's recent innovations include two noteworthy patents. The first, titled "Solder joint material and method of manufacturing the same," describes a novel solder joint material comprising a zinc-based metal, aluminum-based metal, and copper-based metal, layered for specialized performance. This design is further enhanced by a surface-treated layer that contains an amorphous coating featuring oxygen and a metal with a higher oxygen affinity than copper.

The second patent, "Junction material, manufacturing method thereof, and manufacturing method of junction structure," focuses on developing lead-free junction materials to ensure high reliability in connections between semiconductor elements and substrates or metal plates. This method employs a laminate material that effectively protects the underlying metals from oxidation, which is crucial for maintaining the integrity of the junctions in oxygen-rich environments.

Career Highlights: Throughout his career, Kuroki has worked with prominent companies in the industry, including Hitachi Metals, Ltd., and Hitachi Cable, Inc. His experience in these firms has provided him with the platform to explore and innovate in the field of materials science, particularly in solder and junction materials.

Collaborations: Kazuma Kuroki has collaborated with notable individuals in his field, including Hiromitsu Kuroda and Yuichi Oda. These partnerships have likely contributed to the advancement of his research and development endeavors, allowing for an exchange of ideas and innovation.

Conclusion: Kazuma Kuroki's inventive spirit and contributions are paving the way for advancements in solder joint technology. His commitment to developing reliable and effective materials showcases the importance of innovation in electronic manufacturing. As technology continues to evolve, Kuroki's work remains vital for the future of semiconductors and junction structures.

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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