This inventor holds 6 USPTO granted patents. Top assignees: Fujitsu Corporation, Sanyo Electric Co., Ltd., Hitachi, Ltd.. Active years: 2006-2011.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
6 out of 39,381Â 
6 out of 8,782Â 
3 out of 42,752Â 
Years Active: 2006-2011
Title: Masayuki Hatanaka: Innovator in Data Distribution Technology
Introduction
Masayuki Hatanaka is a prominent inventor based in Kawasaki, Japan. He has made significant contributions to the field of data distribution technology, holding a total of 6 patents. His work primarily focuses on the encryption and distribution of digital content, particularly in the music industry.
Latest Patents
One of Hatanaka's latest patents is a data distributing system and recording medium used for encrypted music data. This innovative system allows for the copying of encrypted music data and additional information necessary for accessing a server from a CD-ROM onto a memory card. The memory card receives the distribution of a contents decoding key necessary for decoding the encrypted music data via a digital portable phone network. Furthermore, the memory card extracts a session key from the data applied onto a data bus by carrying out a decryption process. An encryption processing unit decrypts a public encryption key of the memory card based on the session key and applies the encrypted key to a server via the data bus. The memory card also receives data such as license keys and user ID data encrypted with a public encryption key differing for each memory card for storage.
Career Highlights
Hatanaka has worked with notable companies such as Fujitsu Corporation and Sanyo Electric Co., Ltd. His experience in these organizations has greatly influenced his innovative approach to technology and data distribution.
Collaborations
Throughout his career, Hatanaka has collaborated with talented individuals, including Jun Kamada and Takahisa Hatakeyama. These collaborations have contributed to the advancement of his projects and innovations.
Conclusion
Masayuki Hatanaka is a key figure in the realm of data distribution technology, with a focus on encrypted music data. His contributions and patents reflect his dedication to innovation in this field. His work continues to influence the way digital content is distributed and accessed.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile