Tokyo, Japan

Junichi Yamazaki

This inventor holds 14 USPTO granted patents and 2 published patent applications and 3 EPO patents, primarily in Dielectric Materials. Top assignees: Tdk Corporation, Nec Corporation. Active years: 2002-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Junichi Yamazaki. Retrieved from https://idiyas.com/inventor/junichi-yamazaki-2y0ngfwt

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

Calculating rank
USPTO Granted Patents = 14 

% Patents Active = 57.1

 

Average Co-Inventor Count = 3.4

ph-index = 4

Forward Citations = 98(Granted Patents)


Company Filing History:


Years Active: 2002-2026

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Areas of Expertise:
Dielectric Thin Film
Capacitor Element
Electronic Device
Piezoelectric Composition
Polycrystalline Dielectric
Emergency Notification
Laminated Piezoelectric
Metal Oxynitride
14 patents (USPTO):Explore Patents

Title: Innovations of Junichi Yamazaki

Introduction

Junichi Yamazaki is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of electronics, particularly in the development of dielectric materials and capacitive elements. With a total of 14 patents to his name, his work has had a substantial impact on modern electronic devices.

Latest Patents

Yamazaki's latest patents include advancements in dielectric thin films and capacitive elements. One of his notable inventions is a dielectric thin film that features a small dielectric loss and a large relative permittivity, especially at low frequencies. This innovative dielectric thin film incorporates an A-B—O—N oxynitride, which is represented by the compositional formula ABON, satisfying the condition (o+n)/a<3.00. Another significant patent is for a thin film capacitor designed to maintain high electrode conductivity and minimize irregularities, even when subjected to temperatures as high as 700°C. This capacitor consists of a first electrode, a dielectric layer, and a second electrode, with the dielectric layer containing an ABON-type oxynitride.

Career Highlights

Throughout his career, Junichi Yamazaki has worked with notable companies such as TDK Corporation and NEC Corporation. His experience in these organizations has allowed him to refine his expertise in electronic materials and devices.

Collaborations

Yamazaki has collaborated with several talented individuals, including Kumiko Yamazaki and Kumiko Iezumi. These partnerships have contributed to the success of his innovative projects.

Conclusion

Junichi Yamazaki's contributions to the field of electronics through his patents and collaborations highlight his role as a leading inventor. His work continues to influence the development of advanced electronic components.

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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