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Naohiro Yokoo, Yasuhiko Kato, Masakazu Hattori, Masahiro Fujita, Hiroaki Kitano: Storage medium, robot, information processing device and electronic pet system. Sony Corporation, Bell Boyd & Lloyd, August 20, 2002: US06438457 (98 worldwide citation)

An electronic pet having reality by various machines is implemented. An IC card stores a matter to be renewed in accordance with an action when an electronic pet takes the action on the basis of an internal status parameter which contains the feeling of the electronic pet and represents the internal ...


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Yasuhiko Kato, Masao Watari, Makoto Akabane: Noise suppressor. Sony Corporation, Ronald P Kananen, October 4, 1994: US05353408 (88 worldwide citation)

A code conversion table, in which a code of a voice with noise added thereto and a code of a voice without noise are associated with each other in terms of probability, is referred to in a code converter. Using the code converter, a code is obtained in a vector quantizer by vector-quantizing cepstru ...


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Yasuharu Asano, Masao Watari, Makoto Akabane, Tetsuya Kagami, Kazuo Ishii, Miyuki Tanaka, Yasuhiko Kato, Hiroshi Kakuda, Hiroaki Ogawa: Apparatus and method for processing natural language and apparatus and method for speech recognition. Sony Corporation, Limbach & Limbach L, November 23, 1999: US05991721 (79 worldwide citation)

An apparatus and a method for processing a natural language arranged so as to improve the speech recognition rate. In an example search section, the degree of similarity between each of a plurality of examples of the actual use of the language stored in an example data base and each of a plurality o ...


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Naohiro Yokoo, Yasuhiko Kato, Masakazu Hattori, Masahiro Fujita, Naoyasu Hosonuma: Electronic pet system, network system, robot, and storage medium. Sony Corporation, Frommer Lawrence & Haug, William S Frommer, Thomas F Presson, August 8, 2006: US07089083 (78 worldwide citation)

A virtual electronic pet and a pet-type robot that changes emotional state and instinct state according to surrounding information and internal information. The electronic pet behaves according to the emotional state and the instinct state. Transmission/reception of the internal state of the electro ...


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Naohiro Yokoo, Yasuhiko Kato, Masakazu Hattori, Masahiro Fujita, Hiroaki Kitano: Storage medium, robot, information processing device and electronic pet system. Sony Corporation, Bell Boyd & Lloyd, September 10, 2002: US06449518 (76 worldwide citation)

An electronic pet having reality by various machines is implemented. An IC card stores a matter to be renewed in accordance with an action when an electronic pet takes the action on the basis of an internal status parameter which contains the feeling of the electronic pet and represents the internal ...


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Yasuharu Asano, Hiroaki Ogawa, Yasuhiko Kato, Tetsuya Kagami, Masao Watari, Makoto Akabane, Kazuo Ishii, Miyuki Tanaka, Hiroshi Kakuda: Speech recognizing method and apparatus, and speech translating system. Sony Corporation, Limbach & Limbach L, December 8, 1998: US05848389 (29 worldwide citation)

In a speech recognizing apparatus, a grammatical qualification of a proposed speech recognition result candidate is judged without using a grammatical rule. The speech recognizing apparatus for performing sentence/speech recognition is comprised of an analyzing unit for acoustically analyzing speech ...


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Seiji Yamagami, Hirohiko Nonaka, Tuneyoshi Shimonaru, Koichi Takashima, Yasuhiko Kato: Blood purification system. Daicel Chemical, Hubbell Cohen Stiefel & Gross, February 8, 1983: US04372846 (28 worldwide citation)

The invention relates to a blood purification system especially useful as an artificial kidney system. When the blood of the patient is purified by a filter, the volume of filtrate from the filter is measured accurately and the volume of a substitution fluid supplied to the patient is measured accur ...


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Miyuki Tanaka, Hiroaki Ogawa, Yasuhiko Kato, Tetsuya Kagami, Masao Watari, Makoto Akabane, Kazuo Ishii, Yasuharu Asano, Hiroshi Kakuda: Translation apparatus and method for facilitating speech input operation and obtaining correct translation thereof. Sony Corporation, Seong Kun Oh, Limbach & Limbach, October 5, 1999: US05963892 (26 worldwide citation)

A translation apparatus and a translation method arranged to facilitate the operation of inputting a speech and to obtain a correct translation. When a speech in Japanese is input to a microphone by a user, it is recognized in a speech recognition section and one or more words constituting the speec ...