Company dossier: Sk Telecom Co LTD
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- Organisation type
- Private company
- Country
- South Korea
- Dossier built
- 2026-11-03
- Organisation profile stored
- 2026-11-02
- Organisation page
- /quantum-europe/sk-telecom-co-ltd
Identity and registration
Not yet known from our sources.
Ownership and control
- Acquired ID Quantique (CH), 2018-04-30. acquired an additional 41,157,506 shares; owns a total of 58.1% (44,157,506 shares) and has acquired control. Source: SK Telecom Co., Ltd. (SEC Form 6-K); 2026-10-26.
Products and capabilities
Not yet known from our sources.
Documented supply-chain role
- Research activity only, from EU-funded projects or an editor-confirmed technology area (not evidence of supply): Photonic. Source: Supplier directory of the portal (parts of the quantum supply tree); 2026-11-02.
EU funding and projects
- 1 EU-funded quantum project in CORDIS names this organisation as a participant (start years 2026 to 2026). Source: CORDIS (European Commission), reused under Commission Decision 2011/833/EU; 2026-10-16.
- Net EU contribution to this organisation: EUR 749,750, the sum of its own net EU contribution in these projects as CORDIS records it per participant. Source: CORDIS (European Commission), reused under Commission Decision 2011/833/EU; 2026-10-16.
- Projects by technology pillar: Quantum communication: 1. Source: CORDIS (European Commission), reused under Commission Decision 2011/833/EU; 2026-10-16.
Other EU and national funding
Shown to signed-in members only, as on the organisation page; not part of this copy.
Funding rounds
Not yet known from our sources.
Patents
- 30 quantum patent families with applicant "Sk Telecom Co LTD" (CPC groups G06N 10, H04L 9/0852 and H04B 10/70). Source: European Patent Office, Open Patent Services; 2026-10-28.
- Patent family KR20260065260A, published 2026-05-08: Method and Apparatus for Improving Reception Efficiency of Optical System in Quantum Cryptography Communication. Source: European Patent Office, Open Patent Services (Espacenet); 2026-10-28.
- Patent family KR20260063211A, published 2026-05-07: Apparatus and Method for Polarized Control in Quantum Key Distribution System. Source: European Patent Office, Open Patent Services (Espacenet); 2026-10-28.
- Patent family WO2026089362A1, published 2026-04-30: PLANAR LIGHTWAVE CIRCUIT-BASED POLARIZED SIGNAL TRANSMISSION DEVICE FOR QUANTUM KEY DISTRIBUTION AND TRANSMISSION METHOD THEREOF. Source: European Patent Office, Open Patent Services (Espacenet); 2026-10-28.
- Patent family KR20260058393A, published 2026-04-29: Apparatus and Method for Transmitting Polarized Signal Based on Planar Lightwave Circuit for Quantum Key Distribution. Source: European Patent Office, Open Patent Services (Espacenet); 2026-10-28.
- Patent family KR20230133760A, published 2023-09-19: Method and Apparatus for Quantum Crypto-Communication Interworking between Operator. Source: European Patent Office, Open Patent Services (Espacenet); 2026-10-28.
- Patent family KR20220080344A, published 2022-06-14: Method and Apparatus for Security-tightened Transmission Based on Quantum Key Distribution. Source: European Patent Office, Open Patent Services (Espacenet); 2026-10-28.
- Patent family KR20220028633A, published 2022-03-08: Receiving Apparatus for Quantum Key Distribution Based on Passive Component. Source: European Patent Office, Open Patent Services (Espacenet); 2026-10-28.
- Patent family KR20200144756A, published 2020-12-30: APPARATUS AND METHOD FOR CONSENSUS BASED ON BLOCKCHAIN. Source: European Patent Office, Open Patent Services (Espacenet); 2026-10-28.
- Patent family KR20200048268A, published 2020-05-08: GATE WAY DEVICE AND COMPUTER PROGRAM. Source: European Patent Office, Open Patent Services (Espacenet); 2026-10-28.
- Patent family KR20180102327A, published 2018-09-17: Apparatus and Method For Stabilizing Quantum Key Distribution. Source: European Patent Office, Open Patent Services (Espacenet); 2026-10-28.
Partners in EU projects
Shown to signed-in members only, as on the organisation page; not part of this copy.
Public tenders as buyer
Not yet known from our sources.
Technology families
Not yet known from our sources.
Not yet known from our sources
Sections without a fact in the portal’s sources: Identity and registration; Products and capabilities; Other EU and national funding; Funding rounds; Partners in EU projects; Public tenders as buyer; Technology families.
Restricted due-diligence flags and signals are never part of this dossier; they stay on the organisation page for the roles allowed to see them.