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For the Inventor, By the Inventor

Anyang, South Korea

Rfhic Corporation


USPTO Granted Patents = 23

% Expired Patents = 4.3


Trademarks = 2

Forward Citations = 36

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11 inventors (with patents filed for the assignee):

goldMedal Won Sang Lee (14 out of 15 patents)

silverMedal Daniel Francis (7 out of 32 patents)

bronzeMedal Frank Yantis Lowe (6 out of 7 patents)

4.  Firooz Nasser-Faili (5 out of 9 patents)

5.  Daniel James Twitchen (3 out of 3 patents)

6.  Quentin Diduck (2 out of 16 patents)

7.  Felix Ejeckam (1 out of 17 patents)

8.  Daneil James Twitchen (1 out of 1 patent)

9.  Sam Yul Cho (1 out of 1 patent)

10.  Felix Ejeckham (1 out of 1 patent)

11.  Cheol Jun Kim (1 out of 1 patent)

12.  Quanzhong Jiang (2 patents)

13.  Duncan Allsopp (1 patent)

14.  Kristopher Matthews (2 patents)

15.  Sergey Zaytsev (1 patent)


23 patents:

1. 12261206 - Method of forming vias in a GaN/diamond wafer (2025-03-25),
2. 11901418 - GaN/diamond wafers (2024-02-13),
3. 11901417 - GaN/diamond wafers (2024-02-13),
4. 11652146 - Method of forming a semiconductor wafer containing a gallium-nitride layer and two diamond layers (2023-05-16),
5. 11521957 - Semiconductor device and method of manufacture (2022-12-06),
6. 11502175 - GaN/diamond wafers (2022-11-15),
7. 11476335 - GaN/diamond wafers (2022-10-18),
8. 11424328 - GaN/diamond wafers (2022-08-23),
9. 11146243 - Bulk acoustic wave filter (2021-10-12),
10. 10861947 - Methods for processing high electron mobility transistor (HEMT) (2020-12-08),
11. 10707311 - High electron mobility transistor (HEMT) (2020-07-07),
12. 10699896 - Methods for fabricating semiconductor devices that have polycrystalline CVD diamond (2020-06-30),
13. 10594298 - Bulk acoustic wave filter (2020-03-17),
14. 10586850 - Handle for semiconductor-on-diamond wafers and method of manufacture (2020-03-10),
15. 10446468 - Method of fabricating compound semiconductor device structures having polycrstalline CVD diamond (2019-10-15),
Company Overview
Rfhic Corporation is a leading technology company based in Anyang, South Korea, specializing in the development and manufacturing of advanced RF (radio frequency) components and systems. The company focuses on innovative solutions for telecommunications, including high-performance amplifiers and filters that cater to the needs of mobile networks and other wireless communication applications. Rfhic's expertise extends to enhancing connectivity and efficiency in various sectors, positioning it as a key player in the global RF technology landscape.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

Rfhic Corporation USPTO Patent Assignee Logo
23 Patents

#9 in Anyang

#573 in South Korea

#27,714 in the World

Anyang, KR
Anyang, South Korea

Rfhic Corporation

Forward Citations = 36

11 inventors:

goldMedal Won Sang Lee (14 out of 15 patents)

silverMedal Daniel Francis (7 out of 32 patents)

bronzeMedal Frank Yantis Lowe (6 out of 7 patents)

4.  Firooz Nasser-Faili (5 out of 9 patents)

5.  Daniel James Twitchen (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Rfhic Corporation. Retrieved from https://idiyas.com/company/rfhic

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

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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