Company Filing History:
3 out of 75 
1 out of 493 
Years Active: 2013-2025
Title: Mitsuharu Oba: Innovator in Federated Learning and File Management
Introduction
Mitsuharu Oba is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the fields of artificial intelligence and file management through his innovative patents. With a total of 3 patents, Oba's work focuses on enhancing the efficiency and security of data processing systems.
Latest Patents
One of Oba's latest patents is a "Secure and robust federated learning system and method by multi-party homomorphic encryption." This invention provides a federated learning system designed for aggregating gradient information that represents the results of training an AI model on edge devices. The system includes an edge device and a server apparatus, where the training module in the edge device generates an encrypted aggregated gradient and transmits it to the server. The server then decrypts this information to facilitate the training of the AI model.
Another notable patent is the "File management apparatus and file management method." This invention aims to improve the efficiency of virtual folder creation, which is essential for classifying files. The system extracts keywords and their frequencies from metadata to create a virtual folder with a hierarchical structure, ensuring that the organization of files is both logical and user-friendly.
Career Highlights
Mitsuharu Oba has worked with several reputable organizations, including Hitachi Solutions, Ltd. and the Governing Council of the University of Toronto. His experience in these institutions has allowed him to develop and refine his innovative ideas, contributing to advancements in technology.
Collaborations
Oba has collaborated with notable professionals in his field, including Ashish Khisti and Seyederfan Hosseini. These partnerships have further enriched his work and expanded the impact of his inventions.
Conclusion
Mitsuharu Oba is a distinguished inventor whose work in federated learning and file management has made a significant impact on technology. His innovative patents reflect his commitment to enhancing data processing systems and improving user experience.