Katsuyoshi Yamaguchi

This inventor holds 11 USPTO granted patents. Top assignee: Kyocera Corporation. Active years: 2005-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsuyoshi Yamaguchi. Retrieved from https://idiyas.com/inventor/katsuyoshi-yamaguchi-47a4s9oe

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

Calculating rank

USPTO Granted Patents = 11

% Patents Active = 54.5

Average Co-Inventor Count = 1.5

ph-index = 5

Forward Citations = 45(Granted Patents)

Location History:

Kokubu, JP (2005 - 2008)
Kagoshima, JP (2011 - 2012)
Kirishima, JP (2011 - 2024)

Company Filing History:

11 out of 6,938

Kyocera Corporation

patents

Years Active: 2005-2024

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11 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12002624 - Capacitor (2024-06-04),

2. 8383535 - Laminated ceramic capacitor (2013-02-26),

3. 8305732 - Dielectric ceramic and capacitor (2012-11-06),

4. 8184428 - Dielectric ceramic and capacitor (2012-05-22),

5. 8107219 - Dielectric ceramic and capacitor (2012-01-31),

6. 8097552 - Dielectric ceramics and capacitor (2012-01-17),

7. 7968486 - Dielectric ceramics and capacitor (2011-06-28),

8. 7957119 - Metal films, methods for production thereof, methods for production of laminated electronic components, and laminated electronic components (2011-06-07),

9. 7324324 - Multilayer electronic component and manufacturing method thereof (2008-01-29),

10. 7224570 - Process for preparing multilayer ceramic capacitor and the multilayer ceramic capacitor (2007-05-29),

11. 6898069 - Multilayer electronic component and manufacturing method thereof (2005-05-24),

Title: Innovations of Katsuyoshi Yamaguchi

Introduction

Katsuyoshi Yamaguchi is a prominent inventor based in Kagoshima, Japan. He has made significant contributions to the field of capacitors, holding a total of 11 patents. His work focuses on enhancing the performance and efficiency of dielectric materials used in electronic components.

Latest Patents

Yamaguchi's latest patents include innovative designs for capacitors. One notable invention is a capacitor body that consists of multiple dielectric layers and internal electrode layers stacked alternately. This design incorporates crystal grains of barium titanate, a rare earth element, and silicon. The unique structure of the crystal grains features a surface layer as a shell and an interior portion as a core, optimizing the distribution of rare earth elements and silicon.

Another significant patent is for a laminated ceramic capacitor. This device includes a capacitor body made of alternately stacked dielectric layers and internal electrode layers, with an external electrode on the end face. The dielectric layer is primarily composed of barium titanate and has a cubic system crystal structure. The specific grain diameter of the crystal grains is carefully controlled to enhance performance.

Career Highlights

Katsuyoshi Yamaguchi is associated with Kyocera Corporation, where he has been instrumental in advancing capacitor technology. His innovative approaches have led to the development of high-performance capacitors that are essential in various electronic applications.

Collaborations

Yamaguchi has collaborated with notable colleagues, including Koshiro Sugimoto and Nobuhiro Higashihara. Their combined expertise has contributed to the successful development of advanced capacitor technologies.

Conclusion

Katsuyoshi Yamaguchi's contributions to capacitor technology through his innovative patents have significantly impacted the electronics industry. His work continues to inspire advancements in the field, 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]