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).

  • Publication number: 20210306390
    Abstract: A text data transmission-reception system includes a plurality of user terminals; a shared terminal; and an information processing apparatus connectable to each of the plurality of user terminals and the shared terminal via a network. The information processing apparatus includes circuitry configured to receive text data transmitted and received between the plurality of user terminals; determine whether or not the text data transmitted and received between the plurality of user terminals includes a request for controlling the shared terminal; and control the shared terminal based on a determination that the text data includes the request for controlling the shared terminal.
    Type: Application
    Filed: February 17, 2021
    Publication date: September 30, 2021
    Applicant: Ricoh Company, Ltd.
    Inventors: RYO IWASAKI, TAKUYA IMAI, TAKURO MANO, MASAAKI KAGAWA, HIROMASA KOIKE, SEIYA KOURA
  • Publication number: 20210306384
    Abstract: An event registration system includes a user terminal; a storage to store organization information on one or more organizations; and circuitry configured to display, on a display, a particular participation candidate of a particular event identified based on an input from the user terminal, and a particular person based on the particular participation candidate and particular organization information of a particular organization to which the particular participation candidate belongs.
    Type: Application
    Filed: March 4, 2021
    Publication date: September 30, 2021
    Applicant: Ricoh Company, Ltd.
    Inventors: SEIYA KOURA, RYO IWASAKI, MASAAKI KAGAWA, TAKUYA IMAI, HIROMASA KOIKE, TAKURO MANO
  • Publication number: 20210297465
    Abstract: An information processing system includes a plurality of user terminals; and a collaboration work support system configured to assist a plurality of users operating the plurality of user terminals in performing a collaboration work. The collaboration work support system including circuitry configured to manage event information of one or more events; and store shared data that was shared by the plurality of user terminals during a particular event of the one or more events in a storage in association with event information of the particular event, the particular event being an event in which the shared data was shared by the plurality of user terminals.
    Type: Application
    Filed: February 10, 2021
    Publication date: September 23, 2021
    Applicant: Ricoh Company, Ltd.
    Inventors: HIROMASA KOIKE, MASAAKI KAGAWA, TAKUYA IMAI, RYO IWASAKI, TAKURO MANO, SEIYA KOURA
  • Patent number: 10979751
    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: February 25, 2019
    Date of Patent: April 13, 2021
    Assignee: Ricoh Company, Ltd.
    Inventors: Kenichiro Morita, Kumiko Yoshida, Yoichiro Matsuno, Takuya Imai, Shoh Nagamine, Junpei Mikami
  • Publication number: 20210105307
    Abstract: A communication system includes a first communication terminal; and two or more second communication terminals that share shared data with each other. The first communication terminal transmits the shared data; and transmits, to the second communication terminal that has transmitted a share completion report indicating that sharing of the shared data has been completed, a share status report indicating that there is the second communication terminal that has not yet transmitted the share completion report, based on whether the share completion report has been received from the second communication terminal. The second communication terminal receives the shared data; and displays the share status report indicating that there is the second communication terminal that has not yet transmitted the share completion report, upon receiving the share status report indicating that there is the second communication terminal that has not yet transmitted the share completion report.
    Type: Application
    Filed: September 30, 2020
    Publication date: April 8, 2021
    Applicant: Ricoh Company, Ltd.
    Inventors: Taira OYAMA, Takuya IMAI, Tatsuroh SUGIOKA
  • Patent number: 10727514
    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: Grant
    Filed: March 22, 2018
    Date of Patent: July 28, 2020
    Assignee: SHOWA DENKO K.K.
    Inventors: Takuya Imai, Kazuo Furuya, Kunchan Lee
  • Patent number: 10720649
    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: Grant
    Filed: March 22, 2018
    Date of Patent: July 21, 2020
    Assignee: SHOWA DENKO K.K.
    Inventors: Takuya Imai, Kazuo Furuya, Kunchan Lee
  • Patent number: 10721116
    Abstract: A communication terminal includes a memory, a receiver, and circuitry. The memory stores image data identification information identifying image data in association with image type information indicating a type of an image represented by the image data. The receiver receives specific image data and specific image data identification information identifying the specific image data from another communication terminal. The circuitry controls a display to display a specific image represented by the specific image data received by the receiver in a size according to the image type information associated with the specific image identification information in the memory.
    Type: Grant
    Filed: September 18, 2017
    Date of Patent: July 21, 2020
    Assignee: RICOH COMPANY, LTD.
    Inventors: Kumiko Yoshida, Kenichiro Morita, Yoichiro Matsuno, Takuya Imai, Shoh Nagamine, Junpei Mikami
  • Publication number: 20200147590
    Abstract: An oxygen reduction catalyst containing as constituent elements cobalt, sulfur, and a transition metal element M being at least one element selected from chromium and molybdenum, the oxygen reduction catalyst being ascertained to have a crystal structure of a cobalt disulfide cubic crystal in powder X-ray diffraction measurement, and having a molar ratio of the transition metal element M to cobalt (M/cobalt) of 5/95 to 15/85. Also disclosed is an electrode having a catalyst layer containing the oxygen reduction catalyst, a membrane electrode assembly including a polymer electrolyte membrane wherein the electrode serves as a cathode and/or an anode, and a fuel cell including the membrane electrode assembly.
    Type: Application
    Filed: December 27, 2017
    Publication date: May 14, 2020
    Applicant: SHOWA DENKO K.K.
    Inventors: Takuya IMAI, Kazuo FURUYA, Kunchan LEE, Suguru SAKAGUCHI, Yoshishige OKUNO
  • Patent number: 10573902
    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: Grant
    Filed: December 27, 2017
    Date of Patent: February 25, 2020
    Assignee: SHOWA DENKO K.K.
    Inventors: Suguru Sakaguchi, Yoshishige Okuno, Takuya Imai, Kunchan Lee
  • 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