Patents by Inventor Takuya Imai

Takuya Imai 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: 10547652
    Abstract: A communication control device is configured to control data communication between terminals using a communication network. The communication control device include: a status-information acquiring unit configured to acquire respective pieces of status information which represent operating states of the terminals; a reception-information acquiring unit configured to acquire respective pieces of reception information which represent states of the communication network when the terminals have received data; a communication determining unit configured to determine a type of communication on the basis of a combination of pieces of status information of multiple terminals that participate in the same communication; and a quality control unit configured to control quality of data that each terminal transmits or receives on the basis of the determined type of communication and the acquired reception information.
    Type: Grant
    Filed: September 15, 2017
    Date of Patent: January 28, 2020
    Assignee: RICOH COMPANY, LTD.
    Inventors: Takuya Imai, Kenichiro Morita, Shoh Nagamine
  • Publication number: 20200028182
    Abstract: Provided are an oxygen reduction catalyst having a high electrode potential under a fuel cell operating environment, an electrode containing the oxygen reduction catalyst, a membrane electrode assembly in which a cathode is the electrode, and a fuel cell including the membrane electrode assembly. The oxygen reduction catalyst used here contains cobalt, sulfur, and oxygen as elements, has a CoS hexagonal structure in powder X-ray diffractometry, and having an S—Co/S—O peak area ratio of 2.1 to 8.9 in an S2p spectrum in X-ray photoelectron spectroscopic analysis.
    Type: Application
    Filed: March 22, 2018
    Publication date: January 23, 2020
    Applicant: SHOWA DENKO K.K.
    Inventors: Takuya IMAI, Kazuo FURUYA, Kunchan LEE
  • Publication number: 20200020966
    Abstract: Provided are an oxygen reduction catalyst having a high electrode potential under a fuel cell operating environment, an electrode containing the oxygen reduction catalyst, a membrane electrode assembly in which a cathode is the electrode, and a fuel cell including the membrane electrode assembly. The oxygen reduction catalyst used here contains cobalt, sulfur, and oxygen as elements, has a CoS2 cubic structure in powder X-ray diffractometry, and having an S—Co/S—O peak area ratio of 6 to 15 in an S2p spectrum in X-ray photoelectron spectroscopic analysis.
    Type: Application
    Filed: March 22, 2018
    Publication date: January 16, 2020
    Applicant: SHOWA DENKO K.K.
    Inventors: Takuya IMAI, Kazuo FURUYA, Kunchan LEE
  • Publication number: 20190386321
    Abstract: The present invention relates to an oxygen reduction catalyst, an electrode, a membrane electrode assembly, and a fuel cell, and the oxygen reduction catalyst is an oxygen reduction catalyst containing substituted CoS2, in which the substituted CoS2 has a cubic crystal structure, the oxygen reduction catalyst contains the substituted CoS2 within 0.83 nm from the surface thereof, and the substituted CoS2 has at least one substitutional atom selected from the group consisting of Cr, Mo, Mn, Tc, Re, Rh, Cu, and Ag in some of Co atom sites.
    Type: Application
    Filed: December 27, 2017
    Publication date: December 19, 2019
    Applicant: SHOWA DENKO K.K.
    Inventors: Suguru SAKAGUCHI, Yoshishige OKUNO, Takuya IMAI, Kunchan LEE
  • Publication number: 20190191198
    Abstract: A communication management apparatus includes a receiver to receive image type information indicating a type of an image from a first communication terminal; circuitry to generate image data identification information for identifying image data to be transmitted from the first communication terminal to a second communication terminal, based on reception of the image type information; and a transmitter to transmit the image data identification information that is generated to the first communication terminal, and transmit the image data identification information that is generated and the image type information that is received to the second communication terminal.
    Type: Application
    Filed: February 25, 2019
    Publication date: June 20, 2019
    Inventors: Kenichiro MORITA, Kumiko Yoshida, Yoichiro Matsuno, Takuya Imai, Shoh Nagamine, Junpei Mikami
  • Patent number: 10305939
    Abstract: A management system is provided that includes a memory storing a program and a processor configured to execute the program to implement processes of receiving a communication start request from a first terminal for starting communication with a second terminal corresponding to a communication counterpart of the first terminal, determining whether communication can be established between the first terminal and the second terminal based on information on a codec supported by the first terminal and information on a codec supported by the second terminal, and transmitting a determination result of the determination to the first terminal.
    Type: Grant
    Filed: October 26, 2016
    Date of Patent: May 28, 2019
    Assignee: Ricoh Company, Ltd.
    Inventors: Kenichiro Morita, Takuya Imai, Shoh Nagamine, Junpei Mikami
  • Patent number: 10266274
    Abstract: A mount mechanism used to mount an accessory gear box on an engine case in an aircraft engine, includes a pair of first brackets apart from each other in a circumferential direction of the engine case; the pair of first brackets being connected to each other via the link, both end portions of the link being coupled to the pair of first brackets by a pair of first pins, respectively; an annular anti-vibration element penetrated by each of the pair of first pins, the annular anti-vibration element being retained by at least one of each of the pair of first brackets and the end portion of the link; and a second bracket fastened to the other of the engine case and the accessory gear box, the second bracket box being coupled to the link by a second pin at a location between the pair of first brackets.
    Type: Grant
    Filed: May 8, 2015
    Date of Patent: April 23, 2019
    Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Ryo Yasuda, Hirohito Shimizu, Hiroshi Fujii, Takuya Imai, Hiroaki Ootsuji, Hirofumi Akahori
  • Patent number: 10264302
    Abstract: A communication management apparatus includes a receiver to receive image type information indicating a type of an image from a first communication terminal; circuitry to generate image data identification information for identifying image data to be transmitted from the first communication terminal to a second communication terminal, based on reception of the image type information; and a transmitter to transmit the image data identification information that is generated to the first communication terminal, and transmit the image data identification information that is generated and the image type information that is received to the second communication terminal.
    Type: Grant
    Filed: September 18, 2017
    Date of Patent: April 16, 2019
    Assignee: Ricoh Company, Ltd.
    Inventors: Kenichiro Morita, Kumiko Yoshida, Yoichiro Matsuno, Takuya Imai, Shoh Nagamine, Junpei Mikami
  • Patent number: 10250652
    Abstract: A data transmission system including a plurality of terminal devices that are connected to a communication network and that transmit or receive content data among the terminal devices. At least one of the terminal devices that receives the content data includes a code amount change requesting unit that, based on an output time interval of an output signal corresponding to predetermined content data, transmits a code amount reduction request to request reduction of a code amount of the predetermined content data while designating a transmission source of the content data as a destination; and a code amount changing unit that, in response to a code amount reduction request transmitted from another terminal device, reduces a code amount of corresponding content data.
    Type: Grant
    Filed: February 4, 2015
    Date of Patent: April 2, 2019
    Assignee: RICOH COMPANY, LIMITED
    Inventors: Kenichiro Morita, Takuya Imai, Shoh Nagamine
  • Patent number: 10230114
    Abstract: An oxygen reduction catalyst includes a composite particle, the composite particle including a carbon structure and particles each including a Group 4 metal element M1, the composite particle containing a Group 4 metal element M1, carbon, nitrogen and oxygen, the particles each including a Group 4 metal element M1 being dispersed in the carbon structure, and the composite particle having a percentage of mass loss (a) and a percentage of mass loss (b), which are represented by specific formulae, of not more than 15% and 25 to 70%, respectively.
    Type: Grant
    Filed: May 28, 2014
    Date of Patent: March 12, 2019
    Assignee: SHOWA DENKO K.K.
    Inventors: Kousuke Miyazaki, Takuya Imai
  • Patent number: 10182081
    Abstract: A control system is provided. The control system includes a state management unit configured to control state information indicating a state of a communication terminal and a control unit configured to, when a first communication terminal and a second communication terminal communicate, determine whether content data should be transmitted from the first communication terminal to the second communication terminal and whether content data should be transmitted from the second communication terminal to the first communication terminal based on a set of the state information indicating the state of the first communication terminal and the state information indicating the state of the second communication terminal controlled by the state management unit.
    Type: Grant
    Filed: February 8, 2016
    Date of Patent: January 15, 2019
    Assignee: RICOH COMPANY, LTD.
    Inventors: Shoh Nagamine, Takuya Imai, Kenichiro Morita, Hideki Shiro
  • Patent number: 10178348
    Abstract: An information processing apparatus includes a receiver configured to receive images from other information processing apparatuses via a network; a band information acquirer configured to acquire reception band information of the receiver; a first display number determiner configured to determine a first number of the images to be displayed on a display device according to the reception band information; a second display number determiner configured to determine the first number as a second number of the images to be displayed on the display device, when the reception band information is stable, and determine a present number of the images presently displayed on the display device, as the second number, when the reception band information is unstable; and a display processor configured to display the second number of the one or more images on the display device.
    Type: Grant
    Filed: July 25, 2016
    Date of Patent: January 8, 2019
    Assignee: Ricoh Company, Ltd.
    Inventors: Shoh Nagamine, Takuya Imai, Kenichiro Morita
  • Patent number: 10142511
    Abstract: A billing system used together with an image forming apparatus for forming an image on a sheet and discharging the sheet includes: a counting unit for counting, when a print job is interrupted, a billing unit number for a sheet which already has an image formed thereon when the interruption occurs and which has not discharged from the image forming apparatus; a determination unit for determining whether the print job is continued or cancelled after the print job is interrupted; and a billing unit for counting a billing counter corresponding to an amount for which the image forming apparatus is used, and billing a user who uses the image forming apparatus according to the billing counter, wherein the billing unit switches whether the billing counter is counted by using a count result of the counting unit in accordance with a determination result of the determination unit.
    Type: Grant
    Filed: April 7, 2017
    Date of Patent: November 27, 2018
    Assignee: Konica Minolta, Inc.
    Inventor: Takuya Imai
  • Patent number: 10129303
    Abstract: There is provided a transmission system transmitting at least one of image data and audio data among a plurality of transmission terminals. A first transmission terminal includes a state detector that detects whether a user is present therearound, and a controller that controls to transmit correspondence data corresponding to a result detected by the state detector to a second transmission terminal when a state detected by the state detector changes. The second transmission terminal changes quality of at least one of the image data and the audio data that is transmitted to the first transmission terminal in accordance with the correspondence data and transmits at least one of the image data and the audio data when the second transmission terminal receives the correspondence data.
    Type: Grant
    Filed: October 8, 2015
    Date of Patent: November 13, 2018
    Assignee: RICOH COMPANY, LTD.
    Inventors: Kenichiro Morita, Yohei Yamamoto, Takuya Imai, Shoh Nagamine, Hideki Shiro
  • Patent number: 10110849
    Abstract: A communication terminal includes: a receiver to receive a plurality of items of content data respectively from a plurality of counterpart communication terminals through a session established between the communication terminal and the counterpart communication terminals via a communication network; and circuitry to: determine an available band of the communication network; select, from among the plurality of items of content data, one or more items of content data receivable by the communication terminal in accordance with the available band of the communication network and bands being used to receive the plurality of items of content data; and control a display to display information indicating the available band of the communication network in association with the selected one or more items of content data receivable by the communication terminal.
    Type: Grant
    Filed: June 14, 2017
    Date of Patent: October 23, 2018
    Assignee: Ricoh Company, Ltd.
    Inventors: Kenichiro Morita, Takuya Imai, Shoh Nagamine, Junpei Mikami
  • Patent number: 10079867
    Abstract: The communication terminal determines whether a delay in output of an output signal based on first content data is detected, the first content data being received from a first counterpart communication terminal through a network, generates a first request for changing a code quantity of the first content data being received based on a determination indicating that the delay is detected, the first request including a reduction coefficient for determining an amount of reduction in the code quantity of the first content data being received, and transmits the first request to the first counterpart communication terminal that transmits the first content data, through the network.
    Type: Grant
    Filed: February 10, 2016
    Date of Patent: September 18, 2018
    Assignee: Ricoh Company, Ltd.
    Inventors: Kenichiro Morita, Takuya Imai, Shoh Nagamine, Hideki Shiro
  • Patent number: 10044045
    Abstract: Provided is a process for producing a fuel cell electrode catalyst with high catalytic activity that is alternative to a noble metal catalyst, through a heat treatment at a relatively low temperature. A process for producing a fuel cell electrode catalyst includes a step (I) of obtaining a catalyst precursor, including a step (Ia) of mixing at least a metal compound (1), a nitrogen-containing organic compound (2), and a fluorine-containing compound (3), and a step (II) of heat-treating the catalyst precursor at a temperature of 500 to 1300° C. to obtain an electrode catalyst, a portion or the entirety of the metal compound (1) being a compound containing an atom of a metal element M1 selected from the group consisting of iron, cobalt, chromium, nickel, copper, zinc, titanium, niobium and zirconium, and at least one of the compounds (1), (2) and (3) containing an oxygen atom.
    Type: Grant
    Filed: April 13, 2012
    Date of Patent: August 7, 2018
    Assignee: SHOWA DENKO K.K.
    Inventors: Ryuji Monden, Takuya Imai, Yuji Ito, Kunchan Lee, Takashi Sato
  • Patent number: 10044782
    Abstract: A terminal includes: a receiving unit receiving document data from an external device; an acquiring unit acquiring the network bandwidth that is available to transmit data; an assigning unit assigning, in accordance with the network bandwidth that is available to transmit data, a transmission rate to each set of data that is to be transmitted to a different terminal device; a determining unit determining, according to the transmission rate that is assigned to the document data, the quality of the document data that is transmitted from the terminal device to a different terminal device; a converting unit converting the quality of the document data that is input from the external device such that equal to or less than the determined quality is obtained; and an encoding unit encoding multiple sets of data that include the converted document data by using the transmission rate that is assigned to each of them.
    Type: Grant
    Filed: September 11, 2015
    Date of Patent: August 7, 2018
    Assignee: RICOH COMPANY, LTD.
    Inventors: Shoh Nagamine, Takuya Imai, Kenichiro Morita
  • Patent number: 10044976
    Abstract: An information processing apparatus to display video data on a display apparatus includes a receiver to receive the video data from one or more other information processing apparatuses via a network, a video data determiner to determine the video data to be received by the receiver according to a communications status, a static image data storage to acquire static image data from the one or more other information processing apparatuses to store the acquired static image data, and a display processor to generate a screen having one or more areas to display the video data determined by the video data determiner in the areas. The display processor displays the static image data stored in the static image data storage in the areas when a determined number of the video data is less than a number of the areas.
    Type: Grant
    Filed: July 25, 2016
    Date of Patent: August 7, 2018
    Assignee: Ricoh Company, Ltd.
    Inventors: Kenichiro Morita, Takuya Imai, Shoh Nagamine
  • Publication number: 20180118357
    Abstract: A mount mechanism used to mount an accessory gear box on an engine case in an aircraft engine, includes a pair of first brackets apart from each other in a circumferential direction of the engine case; the pair of first brackets being connected to each other via the link, both end portions of the link being coupled to the pair of first brackets by a pair of first pins, respectively; an annular anti-vibration element penetrated by each of the pair of first pins, the annular anti-vibration element being retained by at least one of each of the pair of first brackets and the end portion of the link; and a second bracket fastened to the other of the engine case and the accessory gear box, the second bracket box being coupled to the link by a second pin at a location between the pair of first brackets.
    Type: Application
    Filed: May 8, 2015
    Publication date: May 3, 2018
    Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Ryo YASUDA, Hirohito SHIMIZU, Hiroshi FUJII, Takuya IMAI, Hiroaki OOTSUJI, Hirofumi AKAHORI