1
Hiromichi Fujisawa, Atsushi Hatakeyama, Yasuaki Nakano, Junichi Higashino, Toshihiro Hananoi: Document storage and retrieval system. Hitachi, Antonelli Terry Stout & Kraus, January 15, 1991: US04985863 (192 worldwide citation)

A document storage and retrieval system stores a document body in the form of an image, storing text information in the form of a character code string for retrieval, and executing a retrieval with reference to the text information, followed by displaying a document image relating thereto on a retri ...


2
Hiromichi Fujisawa, David Cohn, Atsushi Hatakeyama, Itsuko Kiuchi: Knowledge based information retrieval system. Hitachi, Antonelli Terry Stout & Kraus, April 4, 1995: US05404506 (121 worldwide citation)

An information retrieval system with good human-interface methods to give the system ease-of-use having two distinctive features with the first being visual interface and the second being natural language interpretation. The visual interface provides for visual interaction for local search and natur ...


3
Hiromichi Fujisawa, David Cohn, Atsushi Hatakeyama, Itsuko Kiuchi: Knowledge based information retrieval system. Hitachi, Antonelli Terry Stout & Kraus, September 10, 1996: US05555408 (86 worldwide citation)

An information retrieval system with good human-interface methods to give the system ease-of-use having two distinctive features with the first being visual interface and the second being natural language interpretation. The visual interface provides for one is visual interaction for local search an ...


4
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 ...


5
Hiromichi Fujisawa, Atsushi Hatakeyama, Masaaki Fujinawa, Eiichi Hadano: Document browsing apparatus with concurrent processing and retrievel. Hitachi, Antonelli Terry Stout & Kraus, June 4, 1991: US05021989 (76 worldwide citation)

An apparatus for document browsing, specifically for document retrieval systems. The browsing apparatus enables users to see multiple document pages on the same screen at the same time in a first mode and to see a bundle of pages on a screen in a second mode. The images shown on the screen are produ ...


6
Shinya Fujioka, Atsushi Hatakeyama, Hirohiko Mochizuki: Semiconductor memory for increasing the number of half good memories by selecting and using good memory blocks. Fujitsu, Staas & Halsey, September 16, 1997: US05668763 (73 worldwide citation)

A semiconductor memory has a plurality of memory arrays, and a plurality of selection circuits. Each of the memory arrays has a plurality of memory blocks. The selection circuits is provided to the memory arrays and is used to independently disable a defective memory block and select a normal memory ...


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, Fumio Baba, Junichi Kasai, Mitsutaka Sato: Semiconductor device having a plurality of chips having identical circuit arrangement sealed in package. Fujitsu, Armstrong Westerman Hattori McLeland & Naughton, April 16, 1996: US05508565 (72 worldwide citation)

A semiconductor device includes a first chip having a circuit arrangement, and a plurality of first terminals formed on a main surface of the first chip and substantially arranged into a line. The semiconductor device also includes a second chip having a circuit arrangement identical to that of the ...


9
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 ...


10
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 ...



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