Quantum Cryptography Patent Application Trends 2024

1 Quantum Cryptography Patent Application Filing Activity
2 Quantum Cryptography patent applications in 2024
3 Top Technology Areas in Quantum Cryptography
- 3.1 Top CPC Codes
4 Top Companies in Quantum Cryptography
5 New Companies in Quantum Cryptography (Last Month)
6 Emerging Technology Areas in Quantum Cryptography
7 Top Companies in Emerging Quantum Cryptography Technologies
8 Top Inventors in Quantum Cryptography
9 Top Collaborations in Quantum Cryptography
10 Top US States for Quantum Cryptography Inventors
11 Top Cities for Quantum Cryptography Inventors

Quantum Cryptography Patent Application Filing Activity

Quantum Cryptography patent applications in 2024

Top Technology Areas in Quantum Cryptography

Top CPC Codes

H04L9/0852 ({Quantum cryptography (transmission systems employing electromagnetic waves other than radio waves, e.g. light, infrared)
- Count: 53 patents
- Example: 20240235825. QUANTUM KEY DISTRIBUTION-BASED QUANTUM DIGITAL SIGNATURE METHOD AND SYSTEM INCLUDING TRUSTED NODE (KOREA INSTITUTE OF SCIENCE & TECHNOLOGY INFORMATION)
H04B10/70 (Photonic quantum communication)
- Count: 19 patents
- Example: 20240235826. HYBRID QUANTUM KEY DISTRIBUTION LINK FOR AN OPTICAL TRANSCEIVER (Mellanox Technologies, Ltd.)
H04L9/0858 ({Details about key distillation or coding, e.g. reconciliation, error correction, privacy amplification, polarisation coding or phase coding})
- Count: 11 patents
- Example: 20240235826. HYBRID QUANTUM KEY DISTRIBUTION LINK FOR AN OPTICAL TRANSCEIVER (Mellanox Technologies, Ltd.)
H04L9/0819 ({Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) (network architectures or network communication protocols for key distribution in a packet data network)
- Count: 9 patents
- Example: 20240235825. QUANTUM KEY DISTRIBUTION-BASED QUANTUM DIGITAL SIGNATURE METHOD AND SYSTEM INCLUDING TRUSTED NODE (KOREA INSTITUTE OF SCIENCE & TECHNOLOGY INFORMATION)
H04L9/0869 ({involving random numbers or seeds})
- Count: 8 patents
- Example: 20240267212. Post-Quantum Cryptography Key Encapsulation Mechanism System (Intel Corporation)
H04L9/0855 ({involving additional nodes, e.g. quantum relays, repeaters, intermediate nodes or remote nodes})
- Count: 7 patents
- Example: 20240291641. PACKET-SWITCHING QUANTUM KEY DISTRIBUTION (Cisco Technology, Inc.)
H04L9/085 ({Secret sharing or secret splitting, e.g. threshold schemes})
- Count: 6 patents
- Example: 20240129116. KEY EXCHANGE PROTOCOL FOR SATELLITE BASED QUANTUM NETWORK (ARQIT LIMITED)
G06F7/588 (Random or pseudo-random number generators)
- Count: 5 patents
- Example: 20240184530. METHOD AND APPARATUS FOR IMPLEMENTING ON CHIP QUANTUM RANDOM NUMBER GENERATOR USING BETA DECAY (RANDAEMON sp. z o.o.)
H04L9/14 (using a plurality of keys or algorithms)
- Count: 4 patents
- Example: 20240235825. QUANTUM KEY DISTRIBUTION-BASED QUANTUM DIGITAL SIGNATURE METHOD AND SYSTEM INCLUDING TRUSTED NODE (KOREA INSTITUTE OF SCIENCE & TECHNOLOGY INFORMATION)
H04L9/0631 ({Substitution permutation network [SPN], i.e. cipher composed of a number of stages or rounds each involving linear and nonlinear transformations, e.g. AES algorithms})
- Count: 4 patents
- Example: 20240291642. SECURE AND PERFORMANT LONG DISTANCE QUANTUM KEY DISTRIBUTION (QKD) SYSTEM (Deutsche Telekom AG)

Top Companies in Quantum Cryptography

Wells Fargo Bank, N.A.

Number of Quantum Cryptography patents: 5
Top CPC codes:
- H04L9/0852 ({Quantum cryptography (transmission systems employing electromagnetic waves other than radio waves, e.g. light, infrared): 4 patents
- H04L9/302 ({involving the integer factorization problem, e.g. RSA or quadratic sieve [QS] schemes}): 3 patents
- H04L9/0631 ({Substitution permutation network [SPN], i.e. cipher composed of a number of stages or rounds each involving linear and nonlinear transformations, e.g. AES algorithms}): 3 patents
Recent patents:

ARQIT LIMITED

Number of Quantum Cryptography patents: 4
Top CPC codes:
- H04L9/0852 ({Quantum cryptography (transmission systems employing electromagnetic waves other than radio waves, e.g. light, infrared): 2 patents
- H04L9/085 ({Secret sharing or secret splitting, e.g. threshold schemes}): 1 patents
- H04L9/088 ({Usage controlling of secret information, e.g. techniques for restricting cryptographic keys to pre-authorized uses, different access levels, validity of crypto-period, different key- or password length, or different strong and weak cryptographic algorithms (network architectures or network communication protocols for using time-dependent keys in a packet data network): 1 patents
Recent patents:

NEC Corporation

Number of Quantum Cryptography patents: 4
Top CPC codes:
- H04L9/0852 ({Quantum cryptography (transmission systems employing electromagnetic waves other than radio waves, e.g. light, infrared): 4 patents
- H04L9/005 ({Cryptographic mechanisms or cryptographic} arrangements for secret or secure communications; Network security protocols): 1 patents
- H04L9/0819 ({Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) (network architectures or network communication protocols for key distribution in a packet data network): 1 patents
Recent patents:

KABUSHIKI KAISHA TOSHIBA

Number of Quantum Cryptography patents: 4
Top CPC codes:
- H04L9/0852 ({Quantum cryptography (transmission systems employing electromagnetic waves other than radio waves, e.g. light, infrared): 2 patents
- H04L9/0858 ({Details about key distillation or coding, e.g. reconciliation, error correction, privacy amplification, polarisation coding or phase coding}): 1 patents
- H04L9/0819 ({Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) (network architectures or network communication protocols for key distribution in a packet data network): 1 patents
Recent patents:

KOREA INSTITUTE OF SCIENCE & TECHNOLOGY INFORMATION

Number of Quantum Cryptography patents: 3
Top CPC codes:
- H04L9/0852 ({Quantum cryptography (transmission systems employing electromagnetic waves other than radio waves, e.g. light, infrared): 2 patents
- H04L9/14 (using a plurality of keys or algorithms): 2 patents
- H04L9/0819 ({Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) (network architectures or network communication protocols for key distribution in a packet data network): 1 patents
Recent patents:

Intel Corporation

Number of Quantum Cryptography patents: 3
Top CPC codes:
- H04L9/0869 ({involving random numbers or seeds}): 2 patents
- H04L9/3093 ({involving Lattices or polynomial equations, e.g. NTRU scheme}): 2 patents
- H04L9/3247 ({involving digital signatures}): 1 patents
Recent patents:

NATIONAL UNIVERSITY OF SINGAPORE

Number of Quantum Cryptography patents: 3
Top CPC codes:
- H04L9/0852 ({Quantum cryptography (transmission systems employing electromagnetic waves other than radio waves, e.g. light, infrared): 2 patents
- G06F7/588 (Random or pseudo-random number generators): 2 patents
- H04L9/005 ({Cryptographic mechanisms or cryptographic} arrangements for secret or secure communications; Network security protocols): 1 patents
Recent patents:

Terra Quantum AG

Number of Quantum Cryptography patents: 3
Top CPC codes:
- H04L9/0852 ({Quantum cryptography (transmission systems employing electromagnetic waves other than radio waves, e.g. light, infrared): 3 patents
- H04B10/70 (Photonic quantum communication): 1 patents
- H04L9/0838 ({Key agreement, i.e. key establishment technique in which a shared key is derived by parties as a function of information contributed by, or associated with, each of these (network architectures or network communication protocols for key exchange in a packet data network): 1 patents
Recent patents: