Location History:
- Yokohama, JP (2004 - 2009)
- Sagamihara, JP (2011 - 2013)
Company Filing History:
Years Active: 2004-2013
Title: Innovations of Katsuyuki Okeya
Introduction
Katsuyuki Okeya is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of data processing and encryption, holding a total of nine patents. His work focuses on enhancing computational efficiency and security in various applications.
Latest Patents
One of Okeya's latest patents is the "Modular multiplication processing apparatus." This invention allows for the processing of modular multiplication of data that exceeds the bit length manageable by a coprocessor. It utilizes Montgomery multiplication, transforming data into a suitable form for processing. The apparatus decomposes the data elements and performs repeated Montgomery multiplication in the coprocessor, ultimately restoring the original bit length remainder.
Another notable patent is the "Data processing system and data processing method." This technique is designed for efficient encryption, particularly for devices like smartcards that have limited memory resources. It includes a calculation unit for reconstructing small primes, a sieving unit for checking divisibility, a recoding unit for changing integer representations, and a primality testing unit. The system effectively eliminates unsuitable candidates and tests the primality of remaining candidates using the modified representation.
Career Highlights
Throughout his career, Katsuyuki Okeya has worked with leading companies in the technology sector, including Hitachi, Ltd. and Renesas Electronics Corporation. His experience in these organizations has allowed him to develop innovative solutions that address complex computational challenges.
Collaborations
Okeya has collaborated with notable colleagues such as Camille Vuillaume and Masayuki Yoshino. Their combined expertise has contributed to the advancement of technology in their respective fields.
Conclusion
Katsuyuki Okeya's contributions to the field of data processing and encryption are noteworthy. His innovative patents reflect his commitment to enhancing computational efficiency and security. Okeya's work continues to influence the technology landscape, making significant strides in the industry.