Eung San Cho

This inventor holds 106 USPTO granted patents and 16 published patent applications and 15 EPO patents, primarily in Semiconductor Packaging (CPC class H01L23-49562). Top assignees: Infineon Technologies Americas Corp., International Rectifier Corporation, Infineon Technologies Ag. Active years: 2011-2026.

USPTO Granted Patents = 106 (Patent Applications = 16)

% Patents Active = 83.0

EPO Patents = 15 (Patent Applications = 26)

Average Co-Inventor Count = 1.7

ph-index = 9

Forward Citations = 264(Granted Patents)

Forward Citations (Not Self Cited) = 216(Dec 10, 2025)

Inventors with similar research interests:

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Company Filing History:

54 out of 335

Infineon Technologies Americas Corp.

patents

28 out of 1,231

International Rectifier Corporation

patents

17 out of 15,016

Infineon Technologies Ag

patents

4. 8 out of 2,195

Infineon Technologies Austria Ag

patents

5. 1 out of 166,264

International Business Machines Corporation

patents

where one patent can have more than one assignee

Years Active: 2011-2026

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Areas of Expertise:

Thermally Coupled Package

Antenna Package

Embedded Circuit

Dielectric Liner

Flexible Circuit

Power Converter

Low Parasitic Connection

Solderable Contact Pad

Multi-Phase Power

Copper Pillar Interconnect

Chip-Embedded Substrate

High-Voltage Package

106 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12738406 - Inductor connectivity and assemblies (2026-09-15),

2. 12532737 - Semiconductor device package thermally coupled to passive element (2026-01-20),

3. 12369253 - Circuit and connector element alignment, circuit board assemblies (2025-07-22),

4. 12300874 - Antenna package with via structure and method of formation thereof (2025-05-13),

5. 12272862 - Antenna apparatus and fabrication method (2025-04-08),

6. 12255114 - Embedded package with electrically isolating dielectric liner (2025-03-18),

7. 12014964 - Semiconductor package having an electrically insulating core with exposed glass fibres (2024-06-18),

8. 11973063 - Semiconductor package with low parasitic connection to passive device (2024-04-30),

9. 11916007 - Semiconductor device with embedded flexible circuit (2024-02-27),

10. 11881437 - Embedded package with electrically isolating dielectric liner (2024-01-23),

11. 11870130 - Antenna apparatus and fabrication method (2024-01-09),

12. 11817617 - Antenna package with via structure and method of formation thereof (2023-11-14),

13. 11776882 - Method of fabricating a semiconductor package (2023-10-03),

14. 11532541 - Semiconductor package having a solderable contact pad formed by a load terminal bond pad of a power semiconductor die (2022-12-20),

15. 11502012 - Semiconductor packages and methods of manufacturing thereof (2022-11-15),

Title: Eung San Cho: Innovator in Circuit Technology

Introduction

Eung San Cho is a prominent inventor based in Torrance, California, known for his significant contributions to circuit technology. With an impressive portfolio of 104 patents, he has made a lasting impact in the field of electronics and semiconductor devices.

Latest Patents

Among his latest patents are innovations such as the "Circuit and connector element alignment" and "Antenna package with via structure and method of formation thereof." The first patent involves multiple assemblies and sub-assemblies, detailing methods for fabricating circuit board assemblies. It describes a first assembly that includes a circuit board with connector elements on opposing edges, facilitating the alignment of circuitry. The second patent focuses on a semiconductor device that integrates a radio frequency circuit with an antenna structure, showcasing advanced design in RF technology.

Career Highlights

Eung San Cho has worked with notable companies in the industry, including Infineon Technologies Americas Corp. and International Rectifier Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to the advancement of electronic components.

Collaborations

Throughout his career, Eung San Cho has collaborated with talented individuals such as Chuan Cheah and Andrew Neil Sawle. These partnerships have fostered a creative environment that has led to groundbreaking inventions in the field.

Conclusion

Eung San Cho's work exemplifies the spirit of innovation in circuit technology. His extensive patent portfolio and collaborations highlight his dedication to advancing the field of electronics. His contributions continue to influence the industry and inspire future inventors.