Ki Won Chang

This inventor holds 54 USPTO granted patents and 23 published patent applications and 12 EPO patents, primarily in Wireless Power Transmission (CPC class H01F). Top assignees: Samsung Electro-Mechanics Co., Ltd., Wits Co., Ltd.. Active years: 2009-2023.

USPTO Granted Patents = 54 (Patent Applications = 23)

% Patents Active = 64.8

EPO Patents = 12 (Patent Applications = 31)

Average Co-Inventor Count = 7.0

ph-index = 5

Forward Citations = 145(Granted Patents)

Forward Citations (Not Self Cited) = 136(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Gyunggi-do, KR (2009 - 2016)
Suwon, KR (2016 - 2019)
Suwon-Si, KR (2016 - 2023)

Company Filing History:

42 out of 7,633

Samsung Electro-Mechanics Co., Ltd.

Years Active: 2009-2023

Loading Chart...

Areas of Expertise:

Coil Assembly

Double Loop Antenna

Antenna Module

Wireless Power Receiver

Non-Contact Power Supply

Thin Film Coil

Wireless Charging System

Power Transmission Device

Coil Substrate

Electronic Device Case

Antenna Pattern Frame

Cordless Charging Apparatus

54 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11626241 - Coil assembly (2023-04-11),

2. 11228085 - Double loop antenna (2022-01-18),

3. 10886598 - Antenna module and electronic device having the same (2021-01-05),

4. 10698455 - Antenna module and electronic device including the same (2020-06-30),

5. 10673131 - Coil assembly (2020-06-02),

6. 10608340 - Antenna module and electronic device having the same (2020-03-31),

7. 10580560 - Coil module (2020-03-03),

8. 10567042 - Coil module (2020-02-18),

9. 10547098 - Double loop antenna (2020-01-28),

10. 10522913 - Antenna module (2019-12-31),

11. 10483767 - Thin film coil and electronic device having the same (2019-11-19),

12. 10454303 - Non-contact power supply device and non-contact power supply method (2019-10-22),

13. 10404091 - Coil substrate (2019-09-03),

14. 10332663 - Coil module and wireless power receiver using the same (2019-06-25),

15. 10312970 - Apparatus and method for transmitting and receiving power wirelessly (2019-06-04),

Title: The Innovative Journey of Inventor Ki Won Chang

Introduction: Ki Won Chang, a talented inventor hailing from Suwon-si, South Korea, has made significant contributions to the field of innovation with his creative mind and dedication to technological advancement.

Latest Patents: Ki Won Chang holds several patents in various technological domains, showcasing his versatility and expertise in areas such as electronics, software development, and mechanical engineering.

Career Highlights: Throughout his illustrious career, Ki Won Chang has worked with renowned tech companies, leading research institutions, and universities, where he has spearheaded groundbreaking projects and inventions that have revolutionized the industry.

Collaborations: Known for his collaborative spirit, Ki Won Chang has partnered with fellow inventors, patent attorneys, and research teams to bring his ideas to life, fostering a culture of innovation and knowledge sharing in the process.

Conclusion: In conclusion, Ki Won Chang stands as a beacon of innovation in Suwon-si, South Korea, inspiring future generations of inventors to push the boundaries of what is possible and create a brighter, more technologically advanced world.