Kokubu, Japan

Hiroshi Maruyama

This inventor holds 2 USPTO granted patents. Top assignee: Kyocera Corporation. Active years: 1986-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Maruyama. Retrieved from https://idiyas.com/inventor/hiroshi-maruyama-i9y9hmgh

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 = 2.9

ph-index = 1

Forward Citations = 28(Granted Patents)


Company Filing History:


Years Active: 1986-1999

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2 patents (USPTO):Explore Patents

Title: Hiroshi Maruyama: Innovator in Dielectric Materials

Introduction

Hiroshi Maruyama is a notable inventor based in Kokubu, Japan. He has made significant contributions to the field of dielectric materials, holding 2 patents that showcase his innovative approach to high-frequency applications. His work is particularly relevant in the development of materials used in electronic devices.

Latest Patents

Maruyama's latest patents include a dielectric material designed for high-frequency use. This material is a sintered product of silicon nitride, primarily composed of silicon nitride and containing oxygen as an impurity component. It boasts a dielectric loss factor at 10 GHz of not larger than 5.times.10.sup.-4, making it suitable for high-frequency oscillators, antennas, filters, and electronic circuit boards. Additionally, he has developed a high alumina sintered body that combines excellent thermal shock resistance with mechanical properties such as flexural strength. This sintered body consists of a substrate of alpha-Al2O3 and a surface layer of mullite, providing enhanced performance in various applications.

Career Highlights

Hiroshi Maruyama is currently employed at Kyocera Corporation, where he continues to innovate in the field of materials science. His work has been instrumental in advancing the capabilities of dielectric materials, particularly in high-frequency environments.

Collaborations

Maruyama has collaborated with notable colleagues, including Hiroshi Takayama and Kenichi Tajima. These partnerships have contributed to the development of cutting-edge technologies in the field.

Conclusion

Hiroshi Maruyama's contributions to dielectric materials reflect his commitment to innovation and excellence. His patents and work at Kyocera Corporation position him as a key figure in advancing technology in high-frequency applications.

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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