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For the Inventor, By the Inventor

Nagaokakyo, Japan

Yasunari Umemoto

This inventor holds 87 USPTO granted patents and 3 published patent applications, primarily in Power Amplifiers (CPC class H01L29-7371). Top assignees: Murata Manufacturing Co., Ltd., Hitachi, Ltd., Renesas Technology Corp.. Active years: 1985-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasunari Umemoto. Retrieved from https://idiyas.com/inventor/yasunari-umemoto

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

USPTO Granted Patents = 87 

% Patents Active = 94.3

Average Co-Inventor Count = 4.1

ph-index = 9

Forward Citations = 250(Granted Patents)

Forward Citations (Not Self Cited) = 199(Dec 10, 2025)


Inventors with similar research interests:

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Location History:

  • Kokubunji, JP (1985 - 1991)
  • Hachioji, JP (1987 - 1992)
  • Tokorozawa, JP (1990 - 1994)
  • Tokyo, JP (2010 - 2013)
  • Sayama, JP (2003 - 2016)
  • Kyoto-fu, JP (2016)
  • Kyoto, JP (2019 - 2023)
  • Nagaokakyo, JP (2015 - 2024)

Company Filing History:

goldMedal67 out of 13,796 
 
Murata Manufacturing Co., Ltd.
 patents
silverMedal9 out of 42,731 
 
Hitachi, Ltd.
 patents
bronzeMedal6 out of 3,781 
 
Renesas Technology Corp.
 patents
4. 2 out of 7,654 
 
Renesas Electronics Corporation
 patents
5. 1 out of 1,430 
 
Agency of Industrial Science and Technology
 patents
6. 1 out of 150 
 
Murata Manufacturingco., Ltd.
 patents
7. 1 out of 834,513 
Other
 patents

Years Active: 1985-2025

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Areas of Expertise:
Power Amplifier
Semiconductor Device
Bipolar Transistor
Heterojunction Bipolar Transistor
Radio-Frequency Amplifier
Compound Semiconductor
Amplifier Module
Power Amplifying Device
Unit Cell
Ballast Resistor
Thermal Management
Device Production
87 patents (USPTO):Explore Patents
1. 12341476 - Power amplifier circuit (2025-06-24),
2. 12262556 - Power amplifier (2025-03-25),
3. 12040323 - Semiconductor device (2024-07-16),
4. 11990873 - Radio-frequency power-amplifying element (2024-05-21),
5. 11978786 - Bipolar transistor and radio-frequency power amplifier module (2024-05-07),
6. 11949003 - Semiconductor device (2024-04-02),
7. 11894365 - Power amplifying device (2024-02-06),
8. 11830917 - Unit cell and power amplifier module (2023-11-28),
9. 11817356 - Semiconductor device (2023-11-14),
10. 11784245 - Semiconductor device (2023-10-10),
11. 11705875 - Power amplifier module (2023-07-18),
12. 11705509 - Heterojunction bipolar transistor (2023-07-18),
13. 11658180 - Semiconductor device having a plurality of bipolar transistors with different heights between their respective emitter layers and emitter electrodes (2023-05-23),
14. 11631758 - Semiconductor device (2023-04-18),
15. 11626511 - Semiconductor device (2023-04-11),

Title: The Innovative Mind of Yasunari Umemoto

Introduction: Yasunari Umemoto is a pioneering inventor hailing from Nagaokakyo, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Yasunari Umemoto holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his continuous dedication to pushing the boundaries of what is possible in the modern world.

Career Highlights: With a career spanning over two decades, Umemoto has worked tirelessly to develop cutting-edge solutions that have revolutionized industries and improved the lives of many. His innovative spirit and passion for creating a positive impact are evident in the numerous patents he has successfully obtained.

Collaborations: Throughout his career, Yasunari Umemoto has collaborated with leading research institutions, universities, and tech companies to further his research and bring his inventions to life. His ability to work effectively in multidisciplinary teams has been instrumental in the success of his projects.

Conclusion: Yasunari Umemoto stands as a shining example of an inventor whose relentless pursuit of innovation has led to significant advancements in technology. His work continues to inspire future generations of inventors to think outside the box and strive for excellence in all their endeavors.

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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