1
Mitsuru Akizawa, Hirofumi Yamashita, Hisamitsu Kawaguchi, Katsumi Tada, Kanji Kato, Akira Kito, Hidenori Yamada: File server system and file access control method of the same. Hitachi, Hitachi Computer Engineering, Fay Sharpe Beall Fagan Minnich & McKee, August 20, 1996: US05548724 (278 worldwide citation)

A typical structure of a file server system is a file server system having a plurality of file servers connected in parallel on a network and sharing files placed distributedly in the file servers among a plurality of client computers, and there are provided in a specific file server among the plura ...


2
Mitsuru Akizawa, Kouki Noguchi, Takehisa Hayashi, Kanji Kato, Hitoshi Matsushima: System for parallel string search with a function-directed parallel collation of a first partition of each string followed by matching of second partitions. Hitachi, Hitachi Maxell, Fay Sharpe Beall Fagan Minnich & McKee, March 5, 1996: US05497488 (110 worldwide citation)

A character string search arithmetic operation is performed at high speed with a small hardware scale processing module, such as a symbol string search module. The search module is connected to a CPU through address and data buses and includes a function definition section for defining a function of ...


3
Katsumi Tada, Kanji Kato, Satoshi Asakawa, Akio Azuma: Document searching method using forward and backward citation tables. Hitachi, Fay Sharpe Beall Fagan Minnich & McKee, November 3, 1998: US05832476 (108 worldwide citation)

A document searching system searches for other documents having a user-specified document cited therein as its referred document to thereby uncover the latest document associated with the user-specified document. In related document searching method, document information is registered in a text stor ...


4
Mitsuru Akizawa, Kanji Kato, Hiroyoshi Suzuki, Toshiyuki Maki, Hirofumi Yamashita, Akira Kito, Hidenori Yamada: High speed file access control method and computer system including a plurality of storage subsystems connected on a bus. Hitachi, Hitachi Computer Engineering, Fay Sharpe Beall Fagan Minnich & McKee, February 11, 1997: US05603003 (90 worldwide citation)

In a computer system having an interface with an I/O bus given disconnect/reconnect functions and a plurality of magnetic disk subsystems connected with the I/O bus, control divides a file at a disk access time with reference to disk management information, file management information and file descr ...


5
Hisamitsu Kawaguchi, Kanji Kato, Hiromichi Fujisawa, Masaaki Fujinawa, Atsushi Hatakeyama: System for character stream search using finite state automaton technique. Hitachi, Antonelli Terry Stout & Kraus, September 24, 1991: US05051886 (78 worldwide citation)

A character stream search system using an FSA for determining at a time whether or not a plurality of character streams as search objects exist in a search character stream which undergoes a search operation and which comprises a plurality of characters expressed with codes. In the system, a collati ...


6
Hiroshi Ujita, Takeshi Yokota, Kanji Kato, Toichi Shida, Nasho Tanikawa, Toshiya Kurakake: Intelligent education and simulation system and method. Hitachi, Evenson McKeown Edwards & Lenahan, April 26, 1994: US05306154 (74 worldwide citation)

An intelligent education and simulation system which is capable of executing an optimized follow-up reeducation to the learner reflecting his/her idiosyncrasy toward understanding in learning. The intelligent education and simulation system has an execution instruction to execute a curriculum compri ...


7
Atsushi Hatakeyama, Hiromichi Fujisawa, Kanji Kato, Hisamitsu Kawaguchi, Naoki Minegishi, Katsumi Tada, Satoshi Asakawa: Document data processing method and apparatus for document retrieval. Hitachi, Antonelli Terry Stout & Kraus, November 21, 1995: US05469354 (72 worldwide citation)

High-speed full document retrieval method and system capable of providing result of retrieval within practically acceptable short search time. Upon registration of documents in a document database, condensed texts are created by decomposing each of textual character strings of the documents to be re ...


8
Atsushi Hatakeyama, Hiroe Ando, Kanji Kato, Satoshi Asakawa, Hisamitsu Kawaguchi: Information search terminal and system. Hitachi, Antonelli Terry Stout & Kraus, June 15, 1993: US05220625 (70 worldwide citation)

An information search terminal apparatus and information search system for performing information search by using a variety of windows assure high manipulatability for the user by making available information of the results of searches performed in the past and the current system state. The informat ...


9
Mitsuru Akizawa, Hisamitsu Kawaguchi, Kanji Kato, Atsushi Hatakeyama, Kouki Noguchi, Hiromichi Fujisawa: System for plural-string search with a parallel collation of a first partition of each string followed by finite automata matching of second partitions. Hitachi, Hitachi Maxell, Fay Sharpe Beall Fagan Minnich & McKee, September 19, 1995: US05452451 (57 worldwide citation)

A parallel comparator for performing a parallel and high-speed processing for collation of partial character strings which are partially taken out of a plurality of character strings of interest to be searched out with a character string to be searched in which document data to be searched is arrang ...


10
Hisamitsu Kawaguchi, Kanji Kato, Atsushi Hatakeyama, Hiromichi Fujisawa, Masaaki Fujinawa, Masaharu Murakami, Hidefumi Masuzaki: Character string retrieving system and method. Hitachi, Fay Sharpe Beall Fagan Minnich & McKee, August 18, 1992: US05140644 (48 worldwide citation)

A compact character string retrieving system capable of producing correctly the result of matching without omission even upon occurrence of multiple matching in which a plurality of search terms are matched for one character string by a finite automation. A destination state for transition brought a ...



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