Company Filing History:
3 out of 3,538 
5 out of 832,761 Years Active: 2006-2020
Title: Innovations by Jonathan Sean Callan
Introduction
Jonathan Sean Callan is a notable inventor based in Cambridge, GB. He has made significant contributions to the field of data management and blockchain technology. With a total of 8 patents to his name, Callan's work focuses on enhancing decentralized data access and database synchronization.
Latest Patents
One of his latest patents is titled "Method and system for managing decentralized data access permissions through a blockchain." This invention presents a data management blockchain and protocol that allows for controlling access to data without the need for a central trusted authority. The process begins with an initial announcement of public keys by multiple blockchain participants, establishing their identities. Data is then encrypted and published on the blockchain, with ownership assigned to a specific participant. Access to this data can be granted or revoked through signed permission messages, ensuring secure data management.
Another significant patent is the "System and method for enforcing the structure and content of databases synchronized over a distributed ledger." This invention outlines a method for achieving consensus on data addition and schema changes in databases synchronized across a blockchain system. By sending announcement messages to network-connected devices, the system allows for modifications to the database structure, provided that certain conditions are met.
Career Highlights
Throughout his career, Jonathan Sean Callan has worked with various companies, including Arm Limited. His innovative approach to data management and blockchain technology has positioned him as a key figure in the industry.
Collaborations
Callan has collaborated with notable individuals such as Keir Finlow-Bates and David Hennah Mansell. These partnerships have contributed to the advancement of his inventions and the development of new technologies.
Conclusion
Jonathan Sean Callan's contributions to the field of blockchain and data management are noteworthy. His innovative patents reflect a commitment to enhancing decentralized systems and improving data access. His work continues to influence the landscape of technology and innovation.