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For the Inventor, By the Inventor

Kyoto, Japan

Yoshifumi Yamagata

This inventor holds 11 USPTO granted patents. Top assignee: Kyocera Corporation. Active years: 1992-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshifumi Yamagata. Retrieved from https://idiyas.com/inventor/yoshifumi-yamagata

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

USPTO Granted Patents = 11

% Patents Active = 54.5

Average Co-Inventor Count = 2.5

ph-index = 7

Forward Citations = 103(Granted Patents)


Location History:

  • Kagoshima, JP (1992 - 1994)
  • Kokubu, JP (2007)
  • Soraku-gun, JP (2006 - 2009)
  • Kyoto, JP (2006 - 2013)

Company Filing History:

goldMedal11 out of 6,934 
 
Kyocera Corporation
 patents

Years Active: 1992-2013

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11 patents (USPTO):Explore Patents
1. 8587389 - Electronic device (2013-11-19),
2. 8004370 - Surface acoustic wave element, surface acoustic wave apparatus, and communication apparatus (2011-08-23),
3. 7609129 - Surface acoustic wave device, surface acoustic wave apparatus, and communications equipment (2009-10-27),
4. 7513022 - Method for manufacturing surface acoustic wave device (2009-04-07),
5. 7385463 - Surface acoustic wave device and electronic circuit device (2008-06-10),
6. 7301421 - Surface acoustic wave device, manufacturing method therefor, and communications equipment (2007-11-27),
7. 7301255 - Surface acoustic wave apparatus and communications device (2007-11-27),
8. 7154206 - Surface acoustic wave device and method for manufacturing same (2006-12-26),
9. 7092232 - Variable capacitance capacitor, circuit module, and communications apparatus (2006-08-15),
10. 5374910 - Dielectric filter having coupling means disposed on a laminated substrate (1994-12-20),
11. 5113310 - Dielectric filter (1992-05-12),

Title: Innovations of Yoshifumi Yamagata

Introduction

Yoshifumi Yamagata is a prominent inventor based in Kyoto, Japan. He has made significant contributions to the field of electronic devices, holding a total of 11 patents. His work focuses on enhancing the functionality and efficiency of various electronic components.

Latest Patents

Yamagata's latest patents include an innovative electronic device featuring a branching filter. This filter utilizes a piezoelectric substrate with a main surface that incorporates both a transmission filter and a reception filter. The design includes a mounting substrate with symmetrical electrode groups, optimizing the device's performance. Another notable patent involves a surface acoustic wave (SAW) element, which boasts improved heat dissipation and power durability. This is achieved by strategically placing electrodes within the SAW structure, enhancing its overall efficiency.

Career Highlights

Yoshifumi Yamagata has established a successful career at Kyocera Corporation, where he continues to develop cutting-edge technologies. His expertise in electronic devices has positioned him as a key figure in the industry, contributing to advancements that benefit various applications.

Collaborations

Yamagata has collaborated with talented coworkers, including Yuuko Yokota and Wataru Koga. Their combined efforts have led to innovative solutions and improvements in electronic device technology.

Conclusion

Yoshifumi Yamagata'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 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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