For the Inventor, By the Inventor

Enter assignee name

Gyeonggi-do, South Korea

Wisol Co., Ltd.

USPTO Granted Patents = 37

% Expired Patents = 13.5

EPO Patents = 1

Forward Citations = 19

Loading Chart...

Loading Chart...

56 inventors (with patents filed for the assignee):

Byung Hun Kim (6 out of 18 patents)

Yo Sep Choi (4 out of 4 patents)

Chul Hwa Lee (4 out of 4 patents)

4. Jae Hyung Choi (4 out of 5 patents)

5. Jong Hyeon Park (4 out of 4 patents)

6. Jung Rae Noh (3 out of 3 patents)

7. Yong Hun Ko (3 out of 3 patents)

8. Young Hun Kim (3 out of 3 patents)

9. Hoan Jun Choi (2 out of 2 patents)

10. Yukihiro Noro (2 out of 2 patents)

11. Jung Hoon Han (2 out of 2 patents)

12. Eun Tae Park (2 out of 2 patents)

13. Jun Woo Yong (2 out of 2 patents)

14. Dong Jun You (2 out of 2 patents)

15. Hunyong Lee (2 out of 2 patents)

Core Competencies:

Surface Acoustic Wave

Bulk Acoustic Wave

Resonator

Filter Module

Manufacturing Method

Piezoelectric Element

Wafer Level Package

Film Bulk Acoustic Resonator

SAW Filter

Chip Package Structure

Temperature Coefficient

Vibration Module

37 patents: Sort by Forward Citations

1. 12451863 - Bulk acoustic wave resonator and method of manufacturing bulk acoustic wave resonator (2025-10-21),

2. 12451862 - Surface acoustic wave wafer level packages with organic solderability preservative coating layers and manufacturing methods thereof (2025-10-21),

3. 12334905 - Acoustic resonator (2025-06-17),

4. 12249975 - Film bulk acoustic resonator chip and package structure with improved power tolerance (2025-03-11),

5. 12199587 - Surface acoustic wave device and manufacturing method thereof (2025-01-14),

6. 12126326 - Film bulk acoustic resonator (2024-10-22),

7. 12126325 - Acoustic resonator (2024-10-22),

8. 12003228 - Air-gap type FBAR (2024-06-04),

9. 11996823 - Air-gap type film bulk acoustic resonator (2024-05-28),

10. 11955949 - Resonator, and filter and duplexer having the same (2024-04-09),

11. 11949405 - Double mode surface acoustic wave (SAW) filter (2024-04-02),

12. 11949401 - Film bulk acoustic resonator package with thin film sealing structure and manufacturing method therefor (2024-04-02),

13. 11870414 - Film bulk acoustic resonator chip and package structure with improved temperature coefficient (2024-01-09),

14. 11799446 - Resonator, and filter and duplexer using the same (2023-10-24),

15. 11777467 - Air-gap type film bulk acoustic resonator (2023-10-03),

Wisol Co., Ltd. is a leading technology company based in Gyeonggi-do, South Korea, specializing in the development and manufacturing of advanced semiconductor solutions. The company focuses on innovative wireless communication technologies, including RF components and modules that cater to various applications in the telecommunications and automotive sectors. Wisol is committed to enhancing connectivity and performance through its cutting-edge research and development efforts, positioning itself as a key player in the global semiconductor market.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

Wisol Co., Ltd.

37 Patents

#27 in Gyeonggi-do

#390 in South Korea

#18,260 in the World

Gyeonggi-do, South Korea

Wisol Co., Ltd.

Forward Citations = 19

56 inventors:

Byung Hun Kim (6 out of 18 patents)

Yo Sep Choi (4 out of 4 patents)

Chul Hwa Lee (4 out of 4 patents)

4. Jae Hyung Choi (4 out of 5 patents)

5. Jong Hyeon Park (4 out of 4 patents)

Please report any incorrect information to [email protected]

Loading…