1
Takayuki Hasebe, Ryota Akiyama, Makoto Yoshioka: Electronic data protection system. Fujitsu, Nikaido Marmelstein Murray & Oram, February 21, 1995: US05392351 (205 worldwide citation)

An electronic data protection system for protecting electronic data from illegal copying by a third party, includes: a storage medium for storing an encrypted electronic data, a medium number and encrypted permission information; a vendor computer having a personal key generating unit for generating ...


2
Satoshi Kataoka, Makoto Yoshioka, Kenichi Utsumi, Keiichi Murakami: Security system for protecting information stored in portable storage media. Fujitsu, Staas & Halsey, January 5, 1999: US05857021 (126 worldwide citation)

A security system for protecting information stored in portable storage media by checking identifiers assigned to each medium, system, and terminal. Medium IDs are identifiers written by manufacturers of the storage media. System IDs, or corporate IDs, are assigned to enterprise-wide computer system ...


3
Ryota Akiyama, Makoto Yoshioka, Yoshiaki Uchida: Software copying system. Fujitsu, Staas & Halsey, September 8, 1998: US05805699 (113 worldwide citation)

A software copying system which enables copyrighted software recorded in a master storage medium to be copied to a user's target storage medium in a legitimate manner. A contents identifier reading unit reads out a software identifier from the master storage medium, while a storage medium identifier ...


4
Takahisa Hatakeyama, Makoto Yoshioka, Yuji Miyazawa: Content usage control system, content usage apparatus, computer readable recording medium with program recorded for computer to execute usage method. Fujitsu, Greer Burns & Crain, March 29, 2005: US06873975 (103 worldwide citation)

A content usage control system comprises a copyright holder system, content server, license server and user system. The ACL setting section of the copyright holder system sets a license ACL expressed as a structure by a combination of logic sums and logic products of a plurality of partial licenses ...


5
Makoto Yoshioka, Haruhiko Tsunoda, Kazuharu Hasegawa, Hidefumi Aoe: System for and method of distributing proceeds from contents. Fujitsu, Staas & Halsey, March 16, 1999: US05884280 (101 worldwide citation)

A content proceeds distribution system distributes proceeds of a sold content to third parties. Each of the third parties has a right of charge, not prescribed in a sales contract, at a rate corresponding to the right thereof. A content database stores by content IDs all providers of the content and ...


6
Ryota Akiyama, Takayuki Hasebe, Makoto Yoshioka: Information distribution system wherein storage medium storing ciphered information is distributed. Fujitsu, Staas & Halsey, April 7, 1998: US05737413 (95 worldwide citation)

A system for use when distributing information stored in a piece of storage medium from a supplier to users through a distributor(s). The information is ciphered when stored in each piece of storage medium in a supplier apparatus. In addition, ciphered key information may be stored in the piece of s ...


7
Takayuki Hasebe, Ryota Akiyama, Makoto Yoshioka: Storage medium for preventing an irregular use by a third party. Fujitsu, Nikaido Marmelstein Murray & Oram, August 18, 1998: US05796824 (90 worldwide citation)

A storage medium stores encrypted electronic data, a medium personal number which is unique for each storage medium and encrypted permission information. At least the medium personal number is written onto the storage medium in an un-rewritable form which a user computer cannot rewrite.


8
Nobuhisa Shigemi, Hiroyuki Yamamoto, Gengo Tazaki, Makoto Yoshioka, Mitsuhiro Kokubun: Structured data management system and computer-readable recording medium storing structured data management program. Fujitsu, Staas & Halsey, August 21, 2001: US06279006 (78 worldwide citation)

A structured data management system capable of easily changing the definition of a logical structure and controlling semantics described in data adapted to the defined structure as intended by persons who have defined the logical structure. A contents model defines an internal structure of a content ...


9
Nobuhisa Shigemi, Hiroyuki Yamamoto, Gengo Tazaki, Makoto Yoshioka, Mitsuhiro Kokubun: Structured data management system and computer-readable method for storing structured data management program. Fujitsu, Staas & Halsey, November 6, 2001: US06314434 (76 worldwide citation)

A structured data management system which provides services concerning a structured electronic data object. In this system, a structured data storage unit stores a plurality of structured data objects associated with each other. Each structured data object can be represented as a tree structure cons ...


10
Makoto Yoshioka, Hiroaki Negishi, Gengo Tazaki, John W Mackin, Mitsuhiro Kokubun: Structured database system together with structure definition frame storing document body data. Fujitsu, Staas & Halsey, September 3, 1996: US05553216 (74 worldwide citation)

A structured database system includes a first unit for obtaining a structure definition frame of a document showing a structure of the document, and a second unit for storing body data of the document in a database together with the structure definition frame.