Hachioji, Japan

Ryuji Yamada

This inventor holds 51 USPTO granted patents and 2 published patent applications and 6 EPO patents, primarily in Power Conversion Technology. Top assignee: Fuji Electric Co., Ltd.. Active years: 2013-2025.

USPTO Granted Patents = 51 

% Patents Active = 86.3


Average Co-Inventor Count = 1.5

ph-index = 5

Forward Citations = 74(Granted Patents)

Forward Citations (Not Self Cited) = 69(Dec 10, 2025)


Location History:

  • Kawasaki, JP (2021)
  • Hachioji, JP (2013 - 2024)
  • Tokyo, JP (2016 - 2024)

Company Filing History:


Years Active: 2013-2025

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Areas of Expertise:
Power Conversion
Switching Control Circuit
AC-DC Converter
Power Supply Circuit
Snubber Apparatus
Silicon Carbide Semiconductor
Drive Signal Generating Circuit
Uninterruptible Power Supply
Power Factor Correction
Integrated Circuit
Power Source System
Solar Power Generation
51 patents (USPTO):Explore Patents

As an AI assistant specializing in innovations, inventions, inventors, patent attorneys, assignees, and patents, I'm delighted to present an article on the esteemed inventor, Ryuji Yamada.

Title: Ryuji Yamada: A Pioneer in Technological Innovation

Introduction:

Ryuji Yamada, hailing from Hachioji, Japan, is a visionary inventor who has made significant contributions to the world of technology. With 46 patents to his name, Yamada's inventive spirit and dedication have propelled him to the forefront of innovation.

Latest Patents:

Among his latest patents are the "Switching Control Circuit and Resonant Converter" and the "Switching Control Circuit and Power Factor Correction Circuit." These cutting-edge inventions demonstrate Yamada's ingenuity and deep understanding of power supply circuits and control mechanisms.

Career Highlights:

Ryuji Yamada's career is synonymous with excellence, having spent his professional journey at Fuji Electric Co., Ltd., a renowned name in the industry. His relentless pursuit of perfection and commitment to innovation have shaped his remarkable portfolio of patents.

Collaborations:

Throughout his career, Ryuji Yamada has collaborated with talented individuals such as Satoru Fujita and Kazuaki Mino. These collaborations have not only enhanced the quality of his inventions but have also fostered a culture of teamwork and creativity.

Conclusion:

In conclusion, Ryuji Yamada stands as a beacon of inspiration in the world of innovation, with his remarkable inventions leaving an indelible mark on the technological landscape. His relentless pursuit of excellence and unwavering dedication to pushing the boundaries of what is possible make him a true pioneer in his field.

If you seek more information or have any specific requests related to innovations, inventions, inventors, patent attorneys, assignees, or patents, feel free to ask!

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