Issued Patents All Time
Showing 25 most recent of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12423667 | Systems and methods for the facilitation of blockchains | Bjorn Markus Jakobsson, Stephen C. Gerber, Guy Stewart, Kenneth H. Rosen | 2025-09-23 |
| 12361408 | Systems and methods for transaction management in NFT-directed environments | Bjorn Markus Jakobsson, Stephen C. Gerber, Guy Stewart | 2025-07-15 |
| 11025714 | System and method for announcing cryptographic keys on a blockchain | — | 2021-06-01 |
| 10938566 | Blockchain based identity and access management | — | 2021-03-02 |
| 10938578 | System and method for maintaining an integrity of a blockchain using digital certificates | — | 2021-03-02 |
| 10938579 | Radio frequency identification tag one-way authentication using a one-time password pad and a blockchain | — | 2021-03-02 |
| 10862959 | Consensus system and method for adding data to a blockchain | — | 2020-12-08 |
| 10779120 | Peer-to-peer geolocation system | — | 2020-09-15 |
| 10742397 | Method and system for managing decentralized data access permissions through a blockchain | Jonathan Sean Callan | 2020-08-11 |
| 10621150 | System and method for enforcing the structure and content of databases synchronized over a distributed ledger | Jonathan Sean Callan | 2020-04-14 |
| 10601598 | System and method for storing the location on a blockchain of a hash of a digital item within said digital item | Jonathan Sean Callan | 2020-03-24 |
| 10601597 | Blockchain based digital certificate provisioning of internet of things devices | Jonathan Sean Callan | 2020-03-24 |
| 10507955 | Electronic cigarette tank | — | 2019-12-17 |
| 10341431 | System and method for announcing cryptographic keys on a blockchain | — | 2019-07-02 |
| 10301077 | Electronic cigarette tank | — | 2019-05-28 |
| 10243748 | Blockchain based digital certificate provisioning of internet of things devices | Jonathan Sean Callan | 2019-03-26 |
| 10135616 | Revocation of cryptographic keys in the absence of a trusted central authority | — | 2018-11-20 |
| 10135921 | System and method for announcing cryptographic keys on a blockchain | — | 2018-11-20 |
| 10015017 | Proof of work based user identification system | — | 2018-07-03 |
| 10001380 | Navigation using crowdsourcing data | Koushik Annapureddy | 2018-06-19 |
| 9940944 | Smart mute for a communication device | Koushik Annapureddy | 2018-04-10 |
| 9894485 | Peer-to-peer geolocation system | — | 2018-02-13 |
| 9797725 | Apparatus and method to aid magnetic positioning and navigation | — | 2017-10-24 |
| 9794025 | Systems and methods for communication and verification of data blocks | Joonas Viskari | 2017-10-17 |
| 9661459 | Communication of mobile device locations | Joonas Viskari | 2017-05-23 |