This inventor holds 1 USPTO granted patent. Top assignees: Fujitsu Corporation, Hitachi, Ltd., Other. Active years: 2000.
Company Filing History:
1 out of 39,363 
1 out of 42,717 
1 out of 834,350 Years Active: 2000
Title: Tooru Kawai: Innovator in Encrypted Data Recovery
Introduction
Tooru Kawai is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of data security, particularly in the area of encrypted data recovery. His innovative approach addresses critical challenges in key recovery systems.
Latest Patents
Tooru Kawai holds a patent for an "Encrypted data recovery method using split storage key and system thereof." This invention provides a solution for situations where a secret is encrypted and the key is lost. The key recovery system utilizes a common key to encrypt plaintext and a user's public key to encrypt the common key, which is then attached to the encrypted text. This method allows for the decryption of the common key to recover the secret without the need to reconstruct split secret keys stored in multiple key storage devices.
Career Highlights
Throughout his career, Tooru Kawai has worked with prominent companies such as Hitachi, Ltd. and Fujitsu Corporation. His experience in these organizations has contributed to his expertise in data encryption and security technologies.
Collaborations
Tooru Kawai has collaborated with notable colleagues, including Eiji Okamoto and Masahiro Mambo. These partnerships have likely enhanced his innovative capabilities and contributed to the development of his patented technologies.
Conclusion
Tooru Kawai is a distinguished inventor whose work in encrypted data recovery has made a significant impact in the field of data security. His innovative solutions continue to address critical challenges in key recovery systems.