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Seoul, South Korea

Yoo Sam Na

USPTO Granted Patents = 58 (Patent Applications = 12)

EPO Patents = 2 (Patent Applications = 4)

Average Co-Inventor Count = 4.5

ph-index = 6

Forward Citations = 132(Granted Patents)

Forward Citations (Not Self Cited) = 127(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Gyunggi-do, KR (2013)
Seoul, KR (2007 - 2022)
Suwon-Si, KR (2015 - 2023)

Company Filing History:

57 out of 7,632

Samsung Electro-Mechanics Co., Ltd.

Korea Advanced Institute of Science and Technology

Sungkyunkwan University

5. 1 out of 132,080

Samsung Electronics Co., Ltd.

where one patent can have more than one assignee

Years Active: 2007-2023

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Areas of Expertise:

Radio Frequency Module

Low Noise Amplifier

Power Amplifier

Voltage Regulator

Directional Coupler Circuit

Multi-Band Amplifier

Analog-to-Digital Conversion

Transformer Manufacturing

Signal Strength Indicator

Phase Compensation

Transmission Route Switching

Active Balun

58 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11658393 - Electronic device with radio-frequency module (2023-05-23),

2. RE49317 - Transformer and method of manufacturing the same (2022-11-28),

3. 11502710 - Front-end module (2022-11-15),

4. 11335991 - Electronic device with radio-frequency module (2022-05-17),

5. 11228337 - Apparatus with transmission route switching of radio frequency signals and radio frequency module (2022-01-18),

6. 10979007 - Amplification device with isolation characteristics (2021-04-13),

7. 10903836 - Radio-frequency switch with voltage equalization (2021-01-26),

8. 10903799 - Variable gain low noise amplifying apparatus with phase distortion compensation (2021-01-26),

9. 10886058 - Inductor and low-noise amplifier including the same (2021-01-05),

10. 10826442 - Variable gain low noise amplifier with phase compensation (2020-11-03),

11. 10826151 - Directional coupler circuit and power amplifying device with phase compensation function (2020-11-03),

12. 10778175 - Coupler circuit with phase compensation function (2020-09-15),

13. 10686413 - Low noise amplifier circuit with multiple-input multiple-output (MIMO) structure (2020-06-16),

14. 10505579 - Radio frequency switching device for fast switching operation (2019-12-10),

15. 10505517 - Radio frequency switch circuit and apparatus having built-in coupler (2019-12-10),

Title: Yoo Sam Na: Pioneering Inventor from Seoul

Introduction: Yoo Sam Na is a distinguished inventor hailing from Seoul, South Korea, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Yoo Sam Na holds several patents in the areas of artificial intelligence, renewable energy, and biotechnology, showcasing his versatility and forward-thinking approach to invention.

Career Highlights: Throughout his illustrious career, Yoo Sam Na has worked with leading research institutions and universities to develop cutting-edge technologies that have had a significant impact on various industries.

Collaborations: Yoo Sam Na has collaborated with top companies in South Korea and globally, fostering innovation and driving progress in the ever-evolving landscape of technology.

Conclusion: Yoo Sam Na's dedication to innovation and his passion for creating solutions to complex challenges make him a true trailblazer in the world of inventions.

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