Location History:
- Kawasaki, JP (1997)
- Yokohama, JP (1998 - 2006)
- Chiba, JP (2007)
- Tokyo, JP (2010)
- Ichikawa, JP (2010 - 2015)
Company Filing History:
Years Active: 1997-2015
Title: Innovations of Yoshihiro Saga
Introduction
Yoshihiro Saga is a prominent inventor based in Ichikawa, Japan. He has made significant contributions to the field of broadcast technology, holding a total of 16 patents. His work focuses on enhancing the functionality and security of broadcast receiving apparatuses.
Latest Patents
One of his latest patents is a "Broadcast receiving apparatus and broadcast receiving method." This invention addresses the issue of device key generation procedures being updated in response to execution of revocation. It allows recorded transport streams to be decrypted using an unupdated device key and stored in a memory unit after being re-encrypted. This ensures that broadcast programs recorded before revocation can still be viewed while maintaining copyright protection. Another notable patent is the "Broadcast receiving apparatus and control method thereof." This invention provides a broadcast receiving apparatus that can receive a broadcast wave containing multiple channels. It includes a selecting unit for channel selection, a determination unit for assessing the obtainment of an encrypted second-type encryption key, and an updating unit for updating the computer program stored in memory when conditions are met.
Career Highlights
Yoshihiro Saga is associated with Canon Kabushiki Kaisha, a leading company in imaging and optical products. His work at Canon has allowed him to innovate and develop advanced technologies that enhance user experience in broadcast reception.
Collaborations
Yoshihiro has collaborated with notable coworkers such as Ryuji Nishida and Kenichi Morikawa. Their combined expertise has contributed to the successful development of various technologies in the broadcast field.
Conclusion
Yoshihiro Saga's contributions to broadcast technology through his patents and work at Canon Kabushiki Kaisha highlight his innovative spirit and dedication to improving broadcast reception. His inventions continue to influence the industry and provide solutions for copyright protection in media.