This report presents a brief introduction to Quantum Cryptography and related
technologies available for securing quantum communication. Quantum Cryptography,
utilizing unintuitive Laws of Quantum mechanics provides us a theoretically sound
and interesting Cryptographic Methodology for future communication system.
A detailed interactive taxonomy for intellectual property related to Quantum Cryptography
is presented covering parts of the Quantum Communication method and devices, Quantum
Information Processing, secure key generation and distribution procedure for encrypting
messages in quantum domain along with an overview on possible device-based cryptanalytic
attacks on various quantum cryptographic techniques. A detailed landscape analysis
of patent and non-patent literature is done with a focus on improved device and
methodologies for generating and transmitting photons, and detecting the polarization
states of the photons in more efficient way to extract information related to
it. The research and product development activities of major players in the field
of Quantum Cryptography is also captured and analyzed. The final section of the
report covers the research and IP trends in this nascent technical domain where
newer research methodologies are overcoming challenges related to the real-life
commercial implementation of Quantum Cryptography. This final section further
gives an insight on issues related to quantum information processing. It also
presents the existing and future market predictions and potentials for various
sections and methodologies photon generation, polarization and quantum communication.
The report has been compiled after analyzing 4093 patents in 1829 INPADOC Families.
Table of Contents:
1. Executive summary
2. Introduction
2.1. Polarization by a filter
2.2. Quantum entanglement
2.3. Quantum mechanics for cryptography – measurement basis
3. Taxonomy
4. Key patents
5. Products
6. Key findings
6.1. Major player
6.2. IP activity
6.2.1. IP activity based on publication year
6.2.2. IP activity based on priority year
6.3. Major player analysis
6.3.1. Technology/Class based IP activity of top 10 assignee
6.3.2. Priority-year wise IP activity of top 10 assignee
6.3.3. Publication-year wise IP activity of top 10 assignee
6.4. Geographical activity
6.4.1. Geographical activity of basic patents & family members
7. Statistical analysis
7.1.1. Top 10 cited patents in quantum cryptographic technology
7.1.2. Top 10 technologies with citation statistics
7.1.3. Top 10 Assignees with citation statistics
8. Conclusion
9. Industrial prospects
9.1. Selling points
9.2. Potential markets
9.3. Commercial QC providers
10. References
11. Appendix A: Search strategy
11.1. Search strategy
11.1.1. Control patents
11.1.2. Patent classes
11.1.3. Concept table
11.1.4. Search query
12. Appendix B: Sample analysis
13. Appendix C: Statistical analysis in detail
13.1. Technology citation statistics
13.2. Assignee citation statistics based on normalized assignee
List of Tables
Table 1: Key patents
Table 2: Available products, solution or commercial applications
Table 3: Top 10 cited patents
Table 4: Comparative development status in various attributes of Quantum Cryptography
Table 5: Control patents
Table 6: IPC lass codes and definitions
Table 7: US class codes and definitions
Table 8: ECLA class codes and definitions
Table 9: Concept table
Table 10: Search query
Table 11: Sample analysis
Table 12: Technology citation statistics
Table 13: Assignee citation statistics based on normalized assignee
List of Figures
Figure 1: Taxonomy of major elements in quantum cryptography
Figure 2: Taxonomy of problems and related solutions in quantum cryptography
Figure 3: Taxonomy for major IPC and ECLA classes for quantum cryptography
Figure 4: Major players in quantum cryptography
Figure 5: Year wise IP activity based on publication year
Figure 6: Year wise IP activity based on priority year
Figure 7: Top 10 technologies based patent count for top 10 assignees
Figure 8: Priority year wise patent count for top 10 assignees
Figure 9: Publication year wise patent count for top 10 assignees
Figure 10: Geographical activity of basic patents & family members
Figure 11: Average citation count for top 10 technologies
Figure 12: Average citation count for patents from top 10 assignees
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