Masahiro Hattori

Title: Masahiro Hattori: Innovator in Database and Power System Technologies

Introduction

Masahiro Hattori is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the fields of database technology and power system protection. With a total of 3 patents, Hattori's work showcases his innovative approach to solving complex technological challenges.

Latest Patents

Hattori's latest patents include a terminal device, a database server, and a calculation system. The database server is designed to store encrypted vector data, where each element is encrypted using a method that maintains semi-homomorphism between calculations performed before and after encryption. This server receives an obfuscated query from a terminal device, performs calculations on segments of the encrypted vector data, and transmits the results back to the terminal device for decryption. Additionally, he has developed a digital protective relay apparatus for power systems. This apparatus includes an accident determination section that assesses voltage and current to detect accidents, outputs determination signals, and generates trip signals to protect the power system.

Career Highlights

Throughout his career, Hattori has worked with notable companies such as Kirin Beer Company and Toshiba Corporation. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects.

Collaborations

Hattori has collaborated with esteemed colleagues, including Yasuyuki Nanba and Junichi Inagaki. These partnerships have further enhanced his work and led to advancements in his areas of expertise.

Conclusion

Masahiro Hattori's contributions to technology through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the fields of database systems and power protection, showcasing the importance of innovation in modern technology.