Kanagawa, Japan

Junya Iihama

This inventor holds 1 USPTO granted patent and 3 published patent applications. Top assignee: Tosoh Corporation. Active years: 2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Junya Iihama. Retrieved from https://idiyas.com/inventor/junya-iihama

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

Calculating rank
USPTO Granted Patents = 1 

% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 1


Company Filing History:


Years Active: 2026

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1 patent (USPTO):Explore Patents

Title: Junya Iihama: Innovator in Gallium Nitride Technology

Introduction

Junya Iihama is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of materials science, particularly in the development of gallium nitride technology. His innovative work has led to advancements that are crucial for various applications in electronics and optoelectronics.

Latest Patents

Iihama holds a patent for a powder of gallium nitride and the method for producing the same. This patent describes a gallium nitride powder with an oxygen content of 0.5 at or less. The invention details that a green body formed by charging 8 g of the powder into a rectangular cuboidal die, measuring 10 mm×40 mm, and uniaxially pressing the powder at a pressure of 100 MPa, results in an electrical resistivity of 1.0×1010 Ω·cm or less. This innovation is significant for enhancing the performance of electronic devices.

Career Highlights

Junya Iihama is currently employed at Tosoh Corporation, where he continues to work on advanced materials and their applications. His expertise in gallium nitride has positioned him as a key player in the development of high-performance materials.

Collaborations

Iihama collaborates with fellow inventor Yoshiro Kususe, contributing to the advancement of their shared research interests. Their partnership has fostered innovation and has led to the exploration of new technologies in the field.

Conclusion

Junya Iihama's contributions to gallium nitride technology exemplify the impact of innovative thinking in materials science. His patent and ongoing work at Tosoh Corporation highlight his role as a significant inventor in this field.

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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