Location History:
- Sagamihara, JP (1992 - 1994)
- Kawasaki, JP (2005)
- Yokohama, JP (2000 - 2013)
Company Filing History:
22 out of 42,508 
2 out of 13 
1 out of 336 Years Active: 1992-2013
Title: Innovations of Yasuko Fukuzawa: A Pioneer in Data Security
Introduction
Yasuko Fukuzawa, an accomplished inventor based in Yokohama, Japan, has made significant contributions to the field of data security through his innovative patents. With a remarkable portfolio of 22 patents, his work continues to influence advancements in secure communication and data encryption technologies.
Latest Patents
Fukuzawa's recent inventions showcase his expertise in creating robust data security systems. One of his latest patents is for a "Device and program for ciphering data," which outlines a terminal designed to connect to a network. This terminal features a data acquisition unit that collects first data from the network, an extraction unit that derives second data related to a physical quantity from the first data, a random number generation unit for producing a random number based on the second data, and an enciphering unit to secure the first data using the generated random number. Additionally, the terminal includes a counter unit that counts the first data, enabling more adaptable random number generation.
Another notable invention is his "Authentication method of ad hoc network and wireless communication terminal thereof." In this patent, Fukuzawa addresses the challenges of mutual authentication in changing ad hoc networks. His method simplifies the authentication process by utilizing common keys when communication terminals already share them, and public keys when they do not. This invention enhances efficiency by allowing communication terminals to exchange and retain common keys while distributing them as needed.
Career Highlights
Fukuzawa has had an illustrious career with prominent companies, including Hitachi, Ltd. and Hitachi Chubu Software, Ltd. His work in these organizations has evidently played a pivotal role in shaping his inventions, allowing him to translate theoretical ideas into practical applications that enhance data security.
Collaborations
Throughout his career, Yasuko Fukuzawa has collaborated with notable colleagues such as Kazuo Takaragi and Akira Yamamoto. These partnerships have likely contributed to the development of innovative technologies and broadened the scope of his research endeavors.
Conclusion
Yasuko Fukuzawa stands out as a visionary inventor whose work on secure data transmission has paved the way for advanced communication technologies. His 22 patents reflect his commitment to innovation, and his collaborations with other talented professionals further amplify the impact of his contributions. As the landscape of data security continues to evolve, Fukuzawa's inventions will undoubtedly remain integral to the field.