Patents by Inventor Takaaki Matsuda

Takaaki Matsuda 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).

  • Patent number: 10783117
    Abstract: An engineering apparatus that is used for supporting engineering of facilities in an industrial plant according to one aspect of the present invention includes a storage storing a first data file group including first data files, the first data files including element information indicating one or a plurality of functional blocks that are constituent elements of a control logic for controlling operation of the industrial plant, a processor configured to change the element information included in the first data files, and a determiner configured to acquire a second data file group including second data files, the second data files including the changed element information in another engineering apparatus, extract differential files including the changed element information from each of the first data file group and the second data file group, and determine whether there is mismatching between functional blocks indicated by the element information included in the differential files.
    Type: Grant
    Filed: February 9, 2018
    Date of Patent: September 22, 2020
    Assignee: Yokogawa Electric Corporation
    Inventors: Takahiro Kambe, Hiroshi Iriguchi, Takaaki Matsuda
  • Publication number: 20200182239
    Abstract: A detection apparatus includes a suction pressure acquirer configured to acquire suction pressure data indicating suction pressure of a pump, and a detector configured to detect occurrence of cavitation in the pump based on a variation coefficient of the suction pressure data during a detection target period.
    Type: Application
    Filed: December 5, 2019
    Publication date: June 11, 2020
    Applicant: Yokogawa Electric Corporation
    Inventors: Hiromitsu OGAWA, Soichiro KONADA, Norio TANAKA, Takaaki MATSUDA
  • Publication number: 20190128288
    Abstract: Easily detecting cavitation to occur in a pump. A detection apparatus, a detection method, and a program are provided. The detection apparatus includes: a discharge pressure acquiring unit to acquire discharge pressure data indicating discharge pressure of a pump; and a detector to detect occurrence of cavitation in the pump based on a fluctuation amount of a time waveform of the discharge pressure data during a target detection period. The detector may have: a fluctuation amount calculator to calculate the fluctuation amount of the discharge pressure data during the target detection period; and a determining unit to determine, in response to the calculated fluctuation amount becoming the reference fluctuation amount or more, that cavitation has occurred in the pump.
    Type: Application
    Filed: October 29, 2018
    Publication date: May 2, 2019
    Inventors: Soichiro Konada, Norio Tanaka, Takaaki Matsuda
  • Patent number: 10248606
    Abstract: An I/O module includes a base plate, a plurality of universal circuits, and an option module. The base plate includes a plurality of connection terminals. A plurality of field devices is electrically connectable to the connection terminals. The universal circuits correspond to the connection terminals. The universal circuits are provided on the base plate, and configured to perform an input of analog signals from the field device, an output of analog signals to the field device, an input of discrete signals from the field device, and an output of discrete signals to the field device. The option module is detachably provided in the base plate. The option module is provided between a first connection terminal of the connection terminals and a first universal circuit of the universal circuits. The option module includes a first circuit configured to performing transmitting and receiving of signals between the first connection terminal and the first universal circuit.
    Type: Grant
    Filed: August 7, 2018
    Date of Patent: April 2, 2019
    Assignee: YOKOGAWA ELECTRIC CORPORATION
    Inventors: Kazunori Tanimura, Ikutomo Watanabe, Mamoru Tamba, Nobuaki Ema, Takaaki Matsuda
  • Publication number: 20180341609
    Abstract: An I/O module includes a base plate, a plurality of universal circuits, and an option module. The base plate includes a plurality of connection terminals. A plurality of field devices is electrically connectable to the connection terminals. The universal circuits correspond to the connection terminals. The universal circuits are provided on the base plate, and configured to perform an input of analog signals from the field device, an output of analog signals to the field device, an input of discrete signals from the field device, and an output of discrete signals to the field device. The option module is detachably provided in the base plate. The option module is provided between a first connection terminal of the connection terminals and a first universal circuit of the universal circuits. The option module includes a first circuit configured to performing transmitting and receiving of signals between the first connection terminal and the first universal circuit.
    Type: Application
    Filed: August 7, 2018
    Publication date: November 29, 2018
    Applicant: YOKOGAWA ELECTRIC CORPORATION
    Inventors: Kazunori Tanimura, Ikutomo Watanabe, Mamoru Tamba, Nobuaki Ema, Takaaki Matsuda
  • Patent number: 10083143
    Abstract: An I/O module includes a base plate, a plurality of universal circuits, and an option module. The base plate includes a plurality of connection terminals. A plurality of field devices is electrically connectable to the connection terminals. The universal circuits correspond to the connection terminals. The universal circuits are provided on the base plate, and configured to perform an input of analog signals from the field device, an output of analog signals to the field device, an input of discrete signals from the field device, and an output of discrete signals to the field device. The option module is detachably provided in the base plate. The option module is provided between a first connection terminal of the connection terminals and a first universal circuit of the universal circuits. The option module includes a first circuit configured to performing transmitting and receiving of signals between the first connection terminal and the first universal circuit.
    Type: Grant
    Filed: October 28, 2014
    Date of Patent: September 25, 2018
    Assignee: YOKOGAWA ELECTRIC CORPORATION
    Inventors: Kazunori Tanimura, Ikutomo Watanabe, Mamoru Tamba, Nobuaki Ema, Takaaki Matsuda
  • Publication number: 20180231960
    Abstract: An engineering apparatus that is used for supporting engineering of facilities in an industrial plant according to one aspect of the present invention includes a storage storing a first data file group including first data files, the first data files including element information indicating one or a plurality of functional blocks that are constituent elements of a control logic for controlling operation of the industrial plant, a processor configured to change the element information included in the first data files, and a determiner configured to acquire a second data file group including second data files, the second data files including the changed element information in another engineering apparatus, extract differential files including the changed element information from each of the first data file group and the second data file group, and determine whether there is mismatching between functional blocks indicated by the element information included in the differential files.
    Type: Application
    Filed: February 9, 2018
    Publication date: August 16, 2018
    Applicant: Yokogawa Electric Corporation
    Inventors: Takahiro Kambe, Hiroshi Iriguchi, Takaaki Matsuda
  • Patent number: 9644046
    Abstract: A method for producing a modified conjugated diene-based polymer having a good balance between the hysteresis loss properties and the wet skid resistance, practically sufficient abrasion resistance and breaking strength, and high processability when formed into a vulcanized product is provided. A method for producing a modified conjugated diene-based polymer, comprising: a polymerization step of polymerizing a conjugated diene compound, copolymerizing conjugated diene compounds, or copolymerizing a conjugated diene compound with an aromatic vinyl compound using an alkali metal compound or an alkaline earth metal compound as a polymerization initiator to obtain a conjugated diene-based polymer having an active end, and a modifying step of reacting a compound represented by following formula (1) with the active end of the conjugated diene-based copolymer.
    Type: Grant
    Filed: October 22, 2015
    Date of Patent: May 9, 2017
    Assignee: Asahi Kasei Chemicals Corporation
    Inventors: Shinichi Sekikawa, Junichi Yoshida, Takaaki Matsuda
  • Patent number: 9493629
    Abstract: An object of the present invention is to improve, in the raw material rubber compound particularly using a silica-based filler, which is used for tire tread, the balance between the rolling resistance and the skid resistance on a wet road surface and at the same time, improve the wear resistance is enhanced. The present invention provides an oil-extended polymer composition comprising 100 parts by weight of (A) a polymer having a number average molecular weight Mn of 500,000 to 700,000 and a content of a functional group-containing polymer component to be adsorbed to silica of 50 wt % or more, and from 20 to 60 parts by weight of (B) an extender oil.
    Type: Grant
    Filed: March 29, 2006
    Date of Patent: November 15, 2016
    Assignee: ASAHI KASEI CHEMICALS CORPORATION
    Inventors: Haruo Yamada, Takaaki Matsuda, Yuichi Kitagawa
  • Patent number: 9315600
    Abstract: A method for producing a modified conjugated diene polymer comprising a polymerization step of obtaining a conjugated diene polymer containing a nitrogen atom in a polymer chain and an active end by copolymerizing a conjugated diene compound and a nitrogen atom-containing vinyl compound, or a conjugated diene compound, an aromatic vinyl compound and a nitrogen atom-containing vinyl compound by use of an alkali metal compound and/or an alkaline earth metal compound as a polymerization initiator, and a modification step of reacting a modifier.
    Type: Grant
    Filed: August 22, 2012
    Date of Patent: April 19, 2016
    Assignee: Asahi Kasei Chemicals Corporation
    Inventors: Daisuke Hayata, Chigusa Yamada, Junichi Yoshida, Takaaki Matsuda, Yuichi Kitagawa
  • Publication number: 20160096909
    Abstract: A method for producing a modified conjugated diene-based polymer having a good balance between the hysteresis loss properties and the wet skid resistance, practically sufficient abrasion resistance and breaking strength, and high processability when formed into a vulcanized product is provided. A method for producing a modified conjugated diene-based polymer, comprising: a polymerization step of polymerizing a conjugated diene compound, copolymerizing conjugated diene compounds, or copolymerizing a conjugated diene compound with an aromatic vinyl compound using an alkali metal compound or an alkaline earth metal compound as a polymerization initiator to obtain a conjugated diene-based polymer having an active end, and a modifying step of reacting a compound represented by following formula (1) with the active end of the conjugated diene-based copolymer.
    Type: Application
    Filed: October 22, 2015
    Publication date: April 7, 2016
    Applicant: Asahi Kasei Chemicals Corporation
    Inventors: Shinichi Sekikawa, Junichi Yoshida, Takaaki Matsuda
  • Patent number: 9193807
    Abstract: A method for producing a modified conjugated diene-based polymer having a good balance between the hysteresis loss properties and the wet skid resistance, practically sufficient abrasion resistance and breaking strength, and high processability when formed into a vulcanized product is provided. A method for producing a modified conjugated diene-based polymer, comprising: a polymerization step of polymerizing a conjugated diene compound, copolymerizing conjugated diene compounds, or copolymerizing a conjugated diene compound with an aromatic vinyl compound using an alkali metal compound or an alkaline earth metal compound as a polymerization initiator to obtain a conjugated diene-based polymer having an active end, and a modifying step of reacting a compound represented by following formula (1) with the active end of the conjugated diene-based copolymer.
    Type: Grant
    Filed: April 15, 2011
    Date of Patent: November 24, 2015
    Assignee: Asahi Kasei Chemicals Corporation
    Inventors: Shinichi Sekikawa, Junichi Yoshida, Takaaki Matsuda
  • Publication number: 20150138590
    Abstract: There is provided an image forming apparatus that can form an image by ensuring security and that can reduce a waiting time for image forming. The image forming apparatus includes a communication processing unit that receives an image forming request through a predetermined communication network and that controls reception of image forming data corresponding to the image forming request, and an image forming unit that forms an image according to the image forming data. The communication processing unit restricts reception of the image forming data when a start operation of a secure image forming is received.
    Type: Application
    Filed: November 19, 2014
    Publication date: May 21, 2015
    Inventors: Kazuo FUKAHORI, Yoshifumi UEMORI, Takaaki MATSUDA, Kiyotaka YAMAMOTO
  • Publication number: 20150120972
    Abstract: An I/O module includes a base plate, a plurality of universal-circuits, and an option-module. The base plate includes a plurality of connection terminals. A plurality of field devices is electrically connectable to the connection terminals. The universal-circuits correspond to the connection terminals. The universal-circuits are provided on the base plate, and configured to perform an input of analog signals from the field device, an output of analog signals to the field device, an input of discrete signals from the field device, and an output of discrete signals to the field device. The option-module is detachably provided in the base plate. The option-module is provided between a first connection terminal of the connection terminals and a first universal-circuit of the universal-circuits. The option-module includes a first circuit configured to performing transmitting and receiving of signals between the first connection terminal and the first universal-circuit.
    Type: Application
    Filed: October 28, 2014
    Publication date: April 30, 2015
    Applicant: YOKOGAWA ELECTRIC CORPORATION
    Inventors: Kazunori Tanimura, Ikutomo Watanabe, Mamoru Tamba, Nobuaki Ema, Takaaki Matsuda
  • Publication number: 20140371383
    Abstract: A method for producing a modified conjugated diene polymer comprising a polymerization step of obtaining a conjugated diene polymer containing a nitrogen atom in a polymer chain and an active end by copolymerizing a conjugated diene compound and a nitrogen atom-containing vinyl compound, or a conjugated diene compound, an aromatic vinyl compound and a nitrogen atom-containing vinyl compound by use of an alkali metal compound and/or an alkaline earth metal compound as a polymerization initiator, and a modification step of reacting a modifier.
    Type: Application
    Filed: August 22, 2012
    Publication date: December 18, 2014
    Applicant: ASAHI KASEI CHEMICALS CORPORATION
    Inventors: Daisuke Hayata, Chigusa Yamada, Junichi Yoshida, Takaaki Matsuda, Yuichi Kitagawa
  • Patent number: 8816014
    Abstract: There are provided a modified conjugated diene-based polymer having a good balance between the hysteresis loss properties and the wet skid resistance, practically sufficient abrasion resistance and fracture strength, and high processability when formed into a vulcanized product, and a modified conjugated diene-based polymer composition. A method for producing a modified conjugated diene-based polymer, comprising: a polymerization step of polymerizing a conjugated diene compound or copolymerizing a conjugated diene compound with an aromatic vinyl compound using an alkali metal compound or an alkaline earth metal compound as a polymerization initiator to obtain a conjugated diene-based polymer having a reactive end, and a modifying step of reacting a compound having a specific structure with the reactive end of the conjugated diene-based polymer.
    Type: Grant
    Filed: September 22, 2010
    Date of Patent: August 26, 2014
    Assignee: Asahi Kasei Chemicals Corporation
    Inventors: Junichi Yoshida, Shinichi Sekikawa, Takaaki Matsuda
  • Patent number: 8791192
    Abstract: There are provided a resin composition including a polylactic acid which (i) includes a poly-L-lactic acid (component B-1) and a poly-D-lactic acid (component B-4), (ii) has a weight ratio of the component B-1 to the component B-4 (component B-1/component B-4) of 10/90 to 90/10, and (iii) shows a proportion of melt peaks at 195° C. or higher to all melt peaks in a temperature rising process in measurement by a differential scanning calorimeter (DSC) of at least 20%; a molded article of the resin composition; and methods for producing the resin composition and the molded article.
    Type: Grant
    Filed: April 18, 2013
    Date of Patent: July 29, 2014
    Assignee: Teijin Limited
    Inventors: Katsuhiko Hironaka, Fumitaka Kondo, Keiichiro Ino, Yuichi Matsuno, Kiyotsuna Toyohara, Hirotaka Suzuki, Ryuji Nonokawa, Takaaki Matsuda
  • Publication number: 20130231435
    Abstract: There are provided a resin composition including a polylactic acid which (i) includes a poly-L-lactic acid (component B-1) and a poly-D-lactic acid (component B-4), (ii) has a weight ratio of the component B-1 to the component B-4 (component B-1/component B-4) of 10/90 to 90/10, and (iii) shows a proportion of melt peaks at 195° C. or higher to all melt peaks in a temperature rising process in measurement by a differential scanning calorimeter (DSC) of at least 20%; a molded article of the resin composition; and methods for producing the resin composition and the molded article.
    Type: Application
    Filed: April 18, 2013
    Publication date: September 5, 2013
    Applicants: TEIJIN LIMITED, TEIJIN CHEMICALS LTD.
    Inventors: Katsuhiko HIRONAKA, Fumitaka KONDO, Keiichiro INO, Yuichi MATSUNO, Kiyotsuna TOYOHARA, Hirotaka SUZUKI, Ryuji NONOKAWA, Takaaki MATSUDA
  • Publication number: 20130023624
    Abstract: A method for producing a modified conjugated diene-based polymer having a good balance between the hysteresis loss properties and the wet skid resistance, practically sufficient abrasion resistance and breaking strength, and high processability when formed into a vulcanized product is provided. A method for producing a modified conjugated diene-based polymer, comprising: a polymerization step of polymerizing a conjugated diene compound, copolymerizing conjugated diene compounds, or copolymerizing a conjugated diene compound with an aromatic vinyl compound using an alkali metal compound or an alkaline earth metal compound as a polymerization initiator to obtain a conjugated diene-based polymer having an active end, and a modifying step of reacting a compound represented by following formula (1) with the active end of the conjugated diene-based copolymer.
    Type: Application
    Filed: April 15, 2011
    Publication date: January 24, 2013
    Applicant: ASAHI KASEI CHEMICALS CORPORATION
    Inventors: Shinichi Sekikawa, Junichi Yoshida, Takaaki Matsuda
  • Publication number: 20120277369
    Abstract: There are provided a modified conjugated diene-based polymer having a good balance between the hysteresis loss properties and the wet skid resistance, practically sufficient abrasion resistance and fracture strength, and high processability when formed into a vulcanized product, and a modified conjugated diene-based polymer composition. A method for producing a modified conjugated diene-based polymer, comprising: a polymerization step of polymerizing a conjugated diene compound or copolymerizing a conjugated diene compound with an aromatic vinyl compound using an alkali metal compound or an alkaline earth metal compound as a polymerization initiator to obtain a conjugated diene-based polymer having a reactive end, and a modifying step of reacting a compound having a specific structure with the reactive end of the conjugated diene-based polymer.
    Type: Application
    Filed: September 22, 2010
    Publication date: November 1, 2012
    Inventors: Junichi Yoshida, Shinichi Sekikawa, Takaaki Matsuda