Suita, Japan

Keiichi Maki

This inventor holds 75 USPTO granted patents and 18 published patent applications and 9 EPO patents, primarily in Surface Acoustic Waves. Top assignees: Skyworks Solutions, Inc., Toshiba Hokuto Electronics Corporation, Nichia Corporation. Active years: 2016-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keiichi Maki. Retrieved from https://idiyas.com/inventor/keiichi-maki

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

Calculating rank
USPTO Granted Patents = 75 

% Patents Active = 100.0

 

Average Co-Inventor Count = 2.0

ph-index = 15

Forward Citations = 497(Granted Patents)

Forward Citations (Not Self Cited) = 83(Dec 10, 2025)


Location History:

  • Asahikawa, JP (2016 - 2023)
  • Suita, JP (2019 - 2024)

Company Filing History:


Years Active: 2016-2026

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Areas of Expertise:
Surface Acoustic Wave
Multilayer Piezoelectric
Acoustic Wave Device
Interdigital Transducer
Temperature Compensation
Ceramic Substrate
Multi-Band Filters
Heat Dissipation
Conductive Layer
Resonator
Microelectromechanical
Cavity Bending
75 patents (USPTO):Explore Patents

Title: Keiichi Maki: Innovator in Acoustic Wave Technologies

Introduction

Keiichi Maki, based in Suita, Japan, is a prominent inventor renowned for his significant contributions to the field of acoustic wave technologies. With an impressive portfolio of 46 patents, he has been at the forefront of innovations that have transformed how acoustic devices operate.

Latest Patents

Among his latest innovations are two noteworthy patents focused on surface acoustic wave resonators. The first patent describes a Rayleigh mode surface acoustic wave resonator, which includes a high impedance layer, a piezoelectric layer, an interdigital transducer electrode, and a low impedance layer. This configuration allows the resonator to generate a Rayleigh mode surface acoustic wave with a specific wavelength. The second patent involves a bulk acoustic wave resonator built on a multi-layer piezoelectric substrate. This acoustic wave device features a support substrate and integration of a piezoelectric layer, resulting in advanced acoustic wave filter components that improve device functionality.

Career Highlights

Throughout his career, Keiichi Maki has made significant contributions while working at reputable companies such as Skyworks Solutions, Inc. and Toshiba Hokuto Electronics Corporation. His expertise in acoustic wave technology has not only propelled his career forward but has also contributed to advancements in various electronic applications.

Collaborations

Maki has collaborated with talented individuals in the field. Notable colleagues include Rei Goto and Hironori Fukuhara, with whom he has worked on various innovative projects that push the boundaries of acoustic wave technology.

Conclusion

In conclusion, Keiichi Maki's innovative spirit and dedication to research have cemented his status as a leading inventor in the field of acoustic wave technologies. His numerous patents reflect his commitment to advancing technology, and his collaborations with esteemed professionals continue to inspire future innovations in this critical area of research.

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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