Company Filing History:
Years Active: 2007-2012
Title: Innovations by Tatsuhiko Yokohama
Introduction
Tatsuhiko Yokohama is a notable inventor based in Ebina, Japan. He has made significant contributions to the field of data security, holding a total of 5 patents. His work focuses on enhancing the protection of sensitive information in various processing devices.
Latest Patents
One of Yokohama's latest patents is related to data security in an information processing device. This invention involves a device and method for protecting inputted and stored publicly encrypted data. The system includes a data receiver module that can receive publicly encrypted data, which is then stored in a storage module. A decryption module utilizes a first encryption key to decrypt the data. Additionally, a deciding device determines whether the data requires protection. If necessary, the data can be re-encrypted using a second internal private encryption key generated from the encryption module.
Another significant patent by Yokohama is a job processing device that enhances the security of job data. This device features a CPU that encrypts job data while saving the necessary information for job execution. The CPU saves part of the data in RAM and the remaining data in an HDD. Upon job completion, part of the job data in RAM is deleted, ensuring that complete job data cannot be reconstructed even if the HDD is removed and examined.
Career Highlights
Yokohama is currently employed at Fuji Xerox Co., Ltd., where he continues to innovate in the field of data security. His work has been instrumental in developing technologies that protect sensitive information in various applications.
Collaborations
Yokohama has collaborated with several talented individuals, including Takanori Masui and Masanori Satake. These collaborations have contributed to the advancement of his projects and innovations.
Conclusion
Tatsuhiko Yokohama is a prominent inventor whose work in data security has led to several important patents. His contributions continue to shape the landscape of information protection technology.