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For the Inventor, By the Inventor

Takasaki, Japan

Yukihiro Matsui

This inventor holds 15 USPTO granted patents and 1 published patent application and 1 EPO patent, primarily in Piezoelectric Devices. Top assignees: Taiyo Yuden Co., Ltd., Casio Computer Co., Ltd., Taiyo Yuden Corp.. Active years: 2009-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yukihiro Matsui. Retrieved from https://idiyas.com/inventor/yukihiro-matsui

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

Calculating rank
USPTO Granted Patents = 15 

% Patents Active = 86.7


Average Co-Inventor Count = 3.4

ph-index = 2

Forward Citations = 34(Granted Patents)


Location History:

  • Takasaki, JP (2009 - 2023)
  • Tokyo, JP (2021 - 2023)

Company Filing History:

goldMedal14 out of 1,769 
 
Taiyo Yuden Co., Ltd.
 patents
silverMedal1 out of 5,234 
 
Casio Computer Co., Ltd.
 patents
bronzeMedal1 out of 44 
 
Taiyo Yuden Corp.
 patents
where one patent can have more than one assignee

Years Active: 2009-2026

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Areas of Expertise:
Vibration Generating Device
Piezoelectric Actuator
Multilayer Piezoelectric Element
Electroacoustic Converter
Vibration Panel
Electronic Apparatus
Haptic Sensation
Vibration Apparatus
Flat Display Apparatus
Electronic Device
15 patents (USPTO):Explore Patents
1. 12660504 - Vibration generating device for presenting haptic sensation using piezoelectric actuator and electronic apparatus using same (2026-06-16),
2. 11744156 - Multilayer piezoelectric element, piezoelectric vibration apparatus, and electronic device (2023-08-29),
3. 11616189 - Laminated piezoelectric element (2023-03-28),
4. 11571712 - Vibration panel and electronic apparatus (2023-02-07),
5. 11557712 - Vibration generating device and electronic equipment (2023-01-17),
6. 11478821 - Vibration generating device (2022-10-25),
7. 11469363 - Piezoelectric actuator, vibration generating device and electronic equipment (2022-10-11),
8. 11430940 - Multilayer piezoelectric element, piezoelectric vibration apparatus, and electronic device (2022-08-30),
9. 11209905 - Panel and electronic apparatus (2021-12-28),
10. 10763819 - Electronic device (2020-09-01),
11. 10165371 - Electronic device (2018-12-25),
12. 9838799 - Electroacoustic converter (2017-12-05),
13. 9756427 - Electroacoustic converter and electronic device (2017-09-05),
14. 9686615 - Electroacoustic converter and electronic device (2017-06-20),
15. 7545459 - Flat display apparatus with speaker function (2009-06-09),

Title: The Innovations of Yukihiro Matsui

Introduction

Yukihiro Matsui is a prominent inventor based in Takasaki, Japan. He has made significant contributions to the field of piezoelectric technology, holding a total of 15 patents. His work has advanced the development of electronic devices that utilize piezoelectric elements.

Latest Patents

Matsui's latest patents include a multilayer piezoelectric element and a piezoelectric vibration apparatus. The multilayer piezoelectric element features a ceramic body formed by piezoelectric ceramic, with external electrodes that cover the end faces and extend onto the principal faces. This design allows for multiple internal electrodes to be stacked inside the ceramic body, enhancing its functionality. Additionally, his laminated piezoelectric element consists of a rectangular laminated body formed by alternately layering piezoelectric layers and internal electrodes, which improves the efficiency of electric field relaxation.

Career Highlights

Throughout his career, Matsui has worked with notable companies such as Taiyo Yuden Co., Ltd. and Casio Computer Co., Ltd. His experience in these organizations has contributed to his expertise in piezoelectric technology and innovation.

Collaborations

Matsui has collaborated with several talented individuals in his field, including Hiroshi Hamada and Fumihisa Ito. These partnerships have fostered a creative environment that has led to groundbreaking advancements in technology.

Conclusion

Yukihiro Matsui's contributions to piezoelectric technology and his impressive portfolio of patents highlight his role as a leading inventor in the industry. His work continues to influence the development of electronic devices, showcasing the importance of innovation in technology.

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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