Patents by Inventor Takao Kawai

Takao Kawai has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20230405995
    Abstract: A printing apparatus includes a liquid container. The liquid container includes a storage portion configured to store a liquid to be supplied to a discharge head that discharges the liquid, a first channel configured to be inserted into a replenishing bottle, which is configured to replenish the liquid to the storage portion, and to communicate with the replenishing bottle, and a second channel between the first channel and the storage portion, the second channel including, at an end portion on a side of the first channel, a first shape portion having a sectional shape common to a part of a sectional shape of the first channel.
    Type: Application
    Filed: June 1, 2023
    Publication date: December 21, 2023
    Inventors: KOKI SHIMADA, HIDEAKI MATSUMURA, YURI MORI, TSUYOSHI SAEKI, KEN TAKENAGA, DAIJU TAKEDA, SHOTA ASADA, HIROMASA TSUTSUMI, MINEYOSHI TOMIE, TAKAO KAWAI, MEGUMI UETA, ERIKA IYAMA
  • Publication number: 20230256757
    Abstract: The object of the present disclosure is to implement capturing of mist. One embodiment of the present invention is a printing apparatus including: a carriage, on which a print head that ejects a liquid is mounted, configured to reciprocate within a predetermined range in a second direction intersecting with a first direction; a partition member configured to partition an inside of the casing in the first direction into a first space in which the carriage reciprocates and a second space in which the carriage does not reciprocate; a first communication unit provided within the predetermined range in the second direction and configured to cause the first space and the second space to communicate with each other; and a second communication unit provided outside the first communication unit in the second direction and configured to cause the first space and the second space to communicate with each other.
    Type: Application
    Filed: February 8, 2023
    Publication date: August 17, 2023
    Inventors: YU HANZAWA, YASUHITO TSUBAKIMOTO, TOSHIMITSU TAKAHASHI, TORU YADA, TAKAO KAWAI, HIROKI AKIYAMA
  • Patent number: 11613138
    Abstract: A printing apparatus includes: a tank configured to contain ink; a print head configured to eject ink supplied from the tank; a supply flow path through which liquid is supplied from the tank to the print head; a collection flow path through which liquid is collected from the print head to the tank; a circulation unit configured to circulate ink inside a circulation flow path including the tank, the supply flow path, the print head, and the collection flow path; and a cooling unit configured to cool the tank by blowing.
    Type: Grant
    Filed: June 15, 2021
    Date of Patent: March 28, 2023
    Assignee: Canon Kabushiki Kaisha
    Inventors: Akira Kida, Hideaki Nagahara, Hiroyuki Saito, Takao Kawai, Nanae Uchinuno, Toshimitsu Takahashi
  • Publication number: 20210309031
    Abstract: A printing apparatus includes: a tank configured to contain ink; a print head configured to eject ink supplied from the tank; a supply flow path through which liquid is supplied from the tank to the print head; a collection flow path through which liquid is collected from the print head to the tank; a circulation unit configured to circulate ink inside a circulation flow path including the tank, the supply flow path, the print head, and the collection flow path; and a cooling unit configured to cool the tank by blowing.
    Type: Application
    Filed: June 15, 2021
    Publication date: October 7, 2021
    Inventors: Akira Kida, Hideaki Nagahara, Hiroyuki Saito, Takao Kawai, Nanae Uchinuno, Toshimitsu Takahashi
  • Patent number: 11072195
    Abstract: A printing apparatus includes: a tank configured to contain ink; a print head configured to eject ink supplied from the tank; a supply flow path through which liquid is supplied from the tank to the print head; a collection flow path through which liquid is collected from the print head to the tank; a circulation unit configured to circulate ink inside a circulation flow path including the tank, the supply flow path, the print head, and the collection flow path; and a cooling unit configured to cool the tank by blowing.
    Type: Grant
    Filed: July 30, 2019
    Date of Patent: July 27, 2021
    Assignee: Canon Kabushiki Kaisha
    Inventors: Akira Kida, Hideaki Nagahara, Hiroyuki Saito, Takao Kawai, Nanae Uchinuno, Toshimitsu Takahashi
  • Patent number: 10803103
    Abstract: [Object] To provide a system for automatically and reliably collecting information belonging to a given category, and matching the information appropriately in a timely manner. [Solution] A text classifying device 30 analyzes dependency of collected texts by a morpheme analyzing unit 52 and a dependency analyzing unit 54. A problem report collecting unit 64 specifies a core consisting of noun+predicate in a text based on dependency relation of the text, and using a combination of noun classification (trouble/non-trouble) and predicate classification (excitatory/inhibitory), classifies the text to a problem report or the rest, by a method referred to as core-based matrix. Support information collecting device 66 and request message collecting device 68 collect support information and request messages in the similar manner.
    Type: Grant
    Filed: May 15, 2014
    Date of Patent: October 13, 2020
    Assignee: National Institute of Information and Communications Technology
    Inventors: Motoki Sano, Istvan Varga, Kentaro Torisawa, Chikara Hashimoto, Kiyonori Ootake, Takao Kawai, Jonghoon Oh, Stijn De Saeger
  • Publication number: 20200047512
    Abstract: A printing apparatus includes: a tank configured to contain ink; a print head configured to eject ink supplied from the tank; a supply flow path through which liquid is supplied from the tank to the print head; a collection flow path through which liquid is collected from the print head to the tank; a circulation unit configured to circulate ink inside a circulation flow path including the tank, the supply flow path, the print head, and the collection flow path; and a cooling unit configured to cool the tank by blowing.
    Type: Application
    Filed: July 30, 2019
    Publication date: February 13, 2020
    Inventors: Akira Kida, Hideaki Nagahara, Hiroyuki Saito, Takao Kawai, Nanae Uchinuno, Toshimitsu Takahashi
  • Publication number: 20180081966
    Abstract: A text visualization system which allows a user to efficiently ascertain a result of clustering of texts is provided. A clustering system (1) includes a representative text display unit (51), a reception unit (55), and an element text display unit (52). The clustering system (1) is accessibly connected to a storage that stores a plurality of texts and information indicating a representative text and an element text that entails the representative text among the plurality of texts. The representative text display unit (51) displays a plurality of representative texts. The reception unit (55) receives a designation of a specific representative text among the plurality of representative texts. The element text display unit (52) extracts, in response to receiving the designation of the specific representative text, an element text that entails the designated specific representative text from the plurality of texts, and displays the extracted element text.
    Type: Application
    Filed: March 18, 2015
    Publication date: March 22, 2018
    Applicant: NEC CORPORATION
    Inventors: Takashi ONISHI, Kosuke YAMAMOTO, Susumu AKAMINE, Takao KAWAI, Masaaki TSUCHIDA
  • Publication number: 20160140217
    Abstract: [Object] To provide a system for automatically and reliably collecting information belonging to a given category, and matching the information appropriately in a timely manner. [Solution] A text classifying device 30 analyzes dependency of collected texts by a morpheme analyzing unit 52 and a dependency analyzing unit 54. A problem report collecting unit 64 specifies a core consisting of noun+predicate in a text based on dependency relation of the text, and using a combination of noun classification (trouble/non-trouble) and predicate classification (excitatory/inhibitory), classifies the text to a problem report or the rest, by a method referred to as core-based matrix. Support information collecting device 66 and request message collecting device 68 collect support information and request messages in the similar manner.
    Type: Application
    Filed: May 15, 2014
    Publication date: May 19, 2016
    Applicant: National Institute of Information and Communications Technology
    Inventors: Motoki SANO, Istvan VARGA, Kentaro TORISAWA, Chikara HASHIMOTO, Kiyonori OOTAKE, Takao KAWAI, Jonghoon OH, Stijin DE SAEGER
  • Patent number: 8832087
    Abstract: Disclosed is an information estimation device for estimating an appropriate issue time from a time representation described in a document without intervention of any operator; wherein an information estimation device (1) which is a device for estimating an issue time of a document to be estimated, includes a candidate generation unit (11) which extracts a time representation described in the document, and on the basis of the extracted time representation, generates a plurality of possible issue time candidates having possibilities corresponding to the issue time of the document; and an issue time estimation unit (12) for obtaining a temporal proximity, for each of the plurality of issue time candidates, between the issue time candidate and other issue time candidates, and on the basis of the obtained temporal proximity, estimating the issue time of the document.
    Type: Grant
    Filed: December 9, 2010
    Date of Patent: September 9, 2014
    Assignee: NEC Corporation
    Inventors: Takao Kawai, Shinichi Ando, Satoshi Nakazawa
  • Publication number: 20140052728
    Abstract: A text clustering device (100) is provided with a grouping execution unit (40) that specifies, from among statements that are extracted from texts constituting a text set and contain a set declinable word and subject, combinations of statements that satisfy a set requirement in relation to a specific occurrence, and groups the statements by occurrence, using the specified combinations, and a classification unit (60) that classifies the texts constituting the text set, based on a result of the grouping by the grouping execution unit (40).
    Type: Application
    Filed: March 15, 2012
    Publication date: February 20, 2014
    Applicant: NEC CORPORATION
    Inventors: Satoshi Nakazawa, Takao Kawai, Yuzura Okajima
  • Publication number: 20140012803
    Abstract: In order to analyze an event described in a document targeted for analysis, an event analysis apparatus (100) includes: a constituent element identification unit (101) that identifies a description related to the event from the document targeted for analysis, and identifies a situational expression indicating a situation and a corresponding expression associated with the situational expression from the identified description; and a shared state analysis unit (102) that calculates a share degree indicating the possibility that the event to which the identified description is related is shared by a plurality of people based on the identified situational expression and corresponding expression.
    Type: Application
    Filed: February 22, 2012
    Publication date: January 9, 2014
    Applicant: NEC CORPORATION
    Inventors: Takao Kawai, Satoshi Nakazawa
  • Patent number: 8612202
    Abstract: An information analysis device includes a correlation value calculation unit which specifies the number of appearances of links between one linguistic expression and other linguistic expression and an appearance time of each link based on link information. The correlation value calculation unit calculates a correlation value between the one linguistic expression and the other linguistic expression according to a degree that the link continuously appears by using the specified number of appearances of the link and the appearance time of each link.
    Type: Grant
    Filed: September 4, 2009
    Date of Patent: December 17, 2013
    Assignee: NEC Corporation
    Inventors: Takao Kawai, Satoshi Nakazawa, Shinichi Ando
  • Publication number: 20130311471
    Abstract: A time-series document summarization (201) device outputs a summary sentence of a document-of-interest collection that is a document collection to be an object.
    Type: Application
    Filed: December 9, 2011
    Publication date: November 21, 2013
    Applicant: NEC CORPORATION
    Inventors: Yuzuru Okajima, Satoshi Nakazawa, Takao Kawai
  • Patent number: 8380650
    Abstract: A information extraction rule making support system comprises: a storage section for storing an extraction object document, which is an electronic document of an information extraction object; an input unit for inputting a plurality of extraction rules, which are rules used to extract information from said extraction object document; an information extraction section for respectively deriving extraction results matching each of said extraction rules from said extraction object document stored by said storage section, using each of said extraction rules inputted by said input means; and a rule relation creating section for creating a rule relation network indicating a relation between each of said extraction rules by analyzing an overlapping relation or including relation between extraction results derived by said information extraction section and linking each of said extraction rules based on the result of the analysis.
    Type: Grant
    Filed: January 22, 2008
    Date of Patent: February 19, 2013
    Assignee: NEC Corporation
    Inventors: Takao Kawai, Shinichi Ando
  • Patent number: 8306933
    Abstract: Disclosed is an information providing system comprising a receiving unit that receives an information request from a requester, a data storage unit that stores data, a detection processing unit that analyzes the content of the information request and extracts provision candidate data corresponding to the information request from the data storage unit, a responder output device to which the content of the information request and the provision candidate data are output, a responder input device that receives instruction information on whether or not the provision candidate data is to be provided, a response control unit that determines whether or not there is providable data based on the received instruction information and the provision candidate data, and an answer generating unit that generates answer data using the decision result by the response control unit.
    Type: Grant
    Filed: May 21, 2007
    Date of Patent: November 6, 2012
    Assignee: NEC Corporation
    Inventors: Takao Kawai, Shinichi Doi, Shinichi Ando, Kunihiko Sadamasa, Yoshiko Matsukawa
  • Publication number: 20120259805
    Abstract: Disclosed is an information estimation device for estimating an appropriate issue time from a time representation described in a document without intervention of any operator; wherein an information estimation device (1) which is a device for estimating an issue time of a document to be estimated, includes a candidate generation unit (11) which extracts a time representation described in the document, and on the basis of the extracted time representation, generates a plurality of possible issue time candidates having possibilities corresponding to the issue time of the document; and an issue time estimation unit (12) for obtaining a temporal proximity, for each of the plurality of issue time candidates, between the issue time candidate and other issue time candidates, and on the basis of the obtained temporal proximity, estimating the issue time of the document.
    Type: Application
    Filed: December 9, 2010
    Publication date: October 11, 2012
    Applicant: NEC CORPORATION
    Inventors: Takao Kawai, Shinichi Ando, Satoshi Nakazawa
  • Publication number: 20110320452
    Abstract: An information estimation apparatus 1 for estimating a transmission point in time of a document whose transmission point in time is not specified in a document set to be analyzed includes a structure analysis unit 3 configured to specify, from the document set, a document having a document structure in which a link relationship with another document is indicated in a table-of-contents manner, and extract the link relationship of documents included in the document set from the document structure of the specified document, a grouping unit 4 configured to set a group of documents using the specified document and the extracted link relationship, and an estimation unit 5 configured to estimate, based on the set group and a transmission point in time of a document that is included in the group and whose transmission point in time is specified, a transmission point in time of a document that is included in the group and whose transmission point in time is not specified.
    Type: Application
    Filed: December 21, 2009
    Publication date: December 29, 2011
    Applicant: Nec Corpration
    Inventors: Takao Kawai, Satoshi Nakazawa, Shinichi Ando
  • Publication number: 20110202532
    Abstract: There has been a problem in a related art that as information of a certain topic is scattered, the information cannot be shared efficiently,. An information sharing system includes a specified section linguistic analysis element that performs a linguistic analysis to a specified section text and outputs linguistic analysis information, a specified section topic generation element that generates topic information from the linguistic analysis information, where the topic information is a topic of the specified section text, and a bulletin board management element that refers to a bulletin board information storage unit and if address information of a bulletin board corresponding to the topic information is obtained, outputs the address information or a set of the topic information and the address information as corresponding bulletin board information.
    Type: Application
    Filed: August 8, 2008
    Publication date: August 18, 2011
    Applicant: NEC CORPORATION
    Inventors: Satoshi Nakazawa, Takahiro Ikeda, Yoshihiro Ikeda, Kunihiko Sadamasa, Takao Kawai
  • Publication number: 20110202545
    Abstract: The information extraction device for extracting specific information using information extraction rules comprises a case candidate extraction means for extracting new specific information that is not extracted by the information extraction rules as novel case candidates based on extraction results obtained from extraction target text data; a rule candidate generation means for generating multiple extraction rule candidates based on the novel case candidates; a relation analysis means for analyzing the derivational relation between the novel case candidates and the extraction rule candidates and the overlapping relation between the multiple extraction rule candidates to generate relation analysis results; and a case candidate selection means for calculating the priorities of the novel case candidates based on the relation analysis results and previously prepared case information and selecting the novel case candidates according to the priority.
    Type: Application
    Filed: January 6, 2009
    Publication date: August 18, 2011
    Inventors: Takao Kawai, Shinichi Ando