Patents by Inventor Takahiro Asai

Takahiro Asai 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: 11980013
    Abstract: A radio wave-absorbing laminate film in which both the top surface and the bottom surface have superior transmission attenuation properties and reflection attenuation capabilities in extremely high-frequency wave bands and higher, and which exhibits excellent radio wave absorption properties even when extremely thin; a production method for the film; and an element containing the film. A radio wave-absorbing laminate film having radio wave-absorbing layers, the radio wave-absorbing laminate film including a center layer, two substrate layers, and two radio wave-absorbing layers, the center layer containing at least one metal layer, and the two substrate layers being laminated on both surfaces of the center layer.
    Type: Grant
    Filed: May 30, 2019
    Date of Patent: May 7, 2024
    Assignees: The University of Tokyo, Tokyo Ohka Kogyo Co., Ltd.
    Inventors: Shin-ichi Ohkoshi, Asuka Namai, Marie Yoshikiyo, Takahiro Asai, Masaru Kuwahara
  • Patent number: 11956301
    Abstract: A transmission management system includes a destination name data managing unit which manages a plurality of destination name data items which indicate a plurality of names of a destination in communications between transmission terminals, a destination name data reading unit which reads a destination name data item from the plurality of destination name data items managed by the destination name data managing unit, and a destination name data transmitting unit which transmits the destination name data item read by the destination name data reading unit to a transmission terminal capable of communicating with the destination.
    Type: Grant
    Filed: June 14, 2022
    Date of Patent: April 9, 2024
    Assignee: RICOH COMPANY, LTD.
    Inventors: Kaoru Maeda, Takahiro Asai
  • Publication number: 20240105693
    Abstract: A power semiconductor device according to the present invention is provided with: a first circuit body constituting an upper arm of an inverter circuit for converting a DC current into an AC current; a second circuit body constituting a lower arm of the inverter circuit; and a circuit board that has therein a through-hole in which the first circuit body and the second circuit body are disposed and that has an intermediate board between the first circuit body and the second circuit body. The intermediate board has an AC wiring pattern for transmitting the AC current, and the first circuit body and the second circuit body are connected to the AC wiring pattern so as to be in surface contact with the AC wiring pattern.
    Type: Application
    Filed: March 8, 2022
    Publication date: March 28, 2024
    Inventors: Ti CHEN, Akihiro NAMBA, Takeshi TOKUYAMA, Takahiro ARAKI, Kyota ASAI
  • Publication number: 20230331730
    Abstract: A crystal of 7-((3R,5S)-1-acryloyl-5-methylpyrrolidin-3-yl)-4-amino-6-(cyclopropylethynyl)-N-((R)-1-phenylethyl)-7H-pyrrolo[2,3-d]pyrimidine-5-carboxamide (compound (I)), and a crystal thereof with an acid (salt crystal or co-crystal) are provided. There are provided: a type II crystal of compound (I) with fumaric acid, having characteristic peaks at three or more diffraction angles (2? ± 0.2 °) selected from 5.5°, 6.8°, 9.3°, 13.4°, 15.3°, 16.3°, 18.5°, 19.8°, 22.0°, and 24.5° in a powder X-ray diffraction spectrum; a (free-form) type II crystal of compound (I) having characteristic peaks at three or more diffraction angles selected from 8.3°, 14.8°, 17.3°, 18.0°, 19.1°, 20.3°, 21.0°, 22.5°, 23.0°, and 26.2° in a powder X-ray diffraction spectrum; a (free-form) type I crystal of compound (I) having characteristic peaks at three or more diffraction angles selected from 9.9°, 11.7°, 13.2°, 17.7°, 18.1°, 18.8°, and 20.
    Type: Application
    Filed: July 14, 2021
    Publication date: October 19, 2023
    Applicant: TAIHO PHARMACEUTICAL CO., LTD.
    Inventors: Hiroyuki NAKAMURA, Hiroyoshi YAMANAKA, Takahiro ASAI
  • Patent number: 11792055
    Abstract: The present disclosure provides a terminal and a base station in a wireless communication system. The terminal may include a control unit configured to input a downlink channel to a neural network of the terminal; and the control unit further configured to control the neural network of the terminal to process the input and output feedback information.
    Type: Grant
    Filed: January 8, 2020
    Date of Patent: October 17, 2023
    Assignee: NTT DOCOMO, INC.
    Inventors: Xin Wang, Jing Wang, Xiaolin Hou, Lan Chen, Anxin Li, Takahiro Asai
  • Publication number: 20230307844
    Abstract: A radio wave absorber with which it is possible to obtain both excellent radio wave absorption characteristics in a high-frequency band and excellent heat dissipation characteristics, and a radio wave absorber formation paste suitable for use in producing the radio wave absorber. The radio wave absorber includes a composite layer made of a radio wave absorption material and a thermally conductive material, the radio wave absorption material includes one or more types of an ?-Fe2O3 crystal; and a crystal in which the crystal and the space group are identical to those of ?-Fe2O3 and a part of an Fe site of the ?-Fe2O3 is substituted with an element M other than Fe, and that is represented by the formula ?-MxFe2-xO3 in which x is greater than 0 and less than 2.
    Type: Application
    Filed: May 13, 2021
    Publication date: September 28, 2023
    Inventors: Shin-ichi OHKOSHI, Asuka NAMAI, Marie YOSHIKIYO, Masayuki HARA, Takahiro ASAI
  • Publication number: 20230110379
    Abstract: A transmission terminal transmits video data and display data of a screen shared with another transmission terminal to the other transmission terminal via a predetermined relay apparatus. The transmission terminal includes a storage unit that stores relay apparatus information of the relay apparatus to which the transmission terminal transmits the video data; a receive unit that receives the display data from an external input apparatus connected to the transmission terminal; and a transmitting unit that transmits the display data received by the receive unit to the relay apparatus indicated by the relay apparatus information stored in the storage unit.
    Type: Application
    Filed: December 15, 2022
    Publication date: April 13, 2023
    Applicant: Ricoh Company, Ltd.
    Inventors: Kenji TANAKA, Alain VOLMAT, Masaki NAKAGAWA, Takahiro ASAI
  • Patent number: 11563917
    Abstract: A transmission terminal transmits video data and display data of a screen shared with another transmission terminal to the other transmission terminal via a predetermined relay apparatus. The transmission terminal includes a storage unit that stores relay apparatus information of the relay apparatus to which the transmission terminal transmits the video data; a receive unit that receives the display data from an external input apparatus connected to the transmission terminal; and a transmitting unit that transmits the display data received by the receive unit to the relay apparatus indicated by the relay apparatus information stored in the storage unit.
    Type: Grant
    Filed: January 5, 2021
    Date of Patent: January 24, 2023
    Assignee: RICOH COMPANY, LTD.
    Inventors: Kenji Tanaka, Alain Volmat, Masaki Nakagawa, Takahiro Asai
  • Patent number: 11539914
    Abstract: A communication management system includes: a storage unit configured to store destination information of a first communication terminal that establishes a first session with a relay device that relays communication data, destination information of a conversion system that performs mutual conversion between communication schemes of communication data transmitted from the first communication terminal and a second communication terminal and establishes a second session with the relay device, and destination information of the second communication terminal that establishes a third session with the conversion system; a receiving unit configured to receive start request information to start communication between the communication terminals from the first communication terminal; an extracting unit configured to extract destination information of each communication terminal and the conversion system stored in the storage unit, based on the received start request information; and a transmitting unit configured to tra
    Type: Grant
    Filed: December 7, 2020
    Date of Patent: December 27, 2022
    Assignee: RICOH COMPANY, LTD.
    Inventor: Takahiro Asai
  • Patent number: 11516278
    Abstract: A transmission management system includes a destination name data managing unit which manages a plurality of destination name data items which indicate a plurality of names of a destination in communications between transmission terminals, a destination name data reading unit which reads a destination name data item from the plurality of destination name data items managed by the destination name data managing unit, and a destination name data transmitting unit which transmits the destination name data item read by the destination name data reading unit to a transmission terminal capable of communicating with the destination.
    Type: Grant
    Filed: November 25, 2020
    Date of Patent: November 29, 2022
    Assignee: RICOH COMPANY, LTD.
    Inventors: Kaoru Maeda, Takahiro Asai
  • Publication number: 20220353269
    Abstract: An information processing apparatus includes a first communications connector configured to implement first data communications connection between a first transmission terminal specified by first identification information and a second transmission terminal specified by second identification information when authentication of the first transmission terminal is established, an identification information acquisition part configured to acquire third identification information and fourth identification information by referring to correspondence information registering the third identification information in association with the first identification information, and the fourth identification information in association with the second identification information when acquiring a second data communications connecting request including the first identification information and the second identification information from the first transmission terminal, and a connection request part configured to transmit the second data
    Type: Application
    Filed: July 15, 2022
    Publication date: November 3, 2022
    Applicant: Ricoh Company, Ltd.
    Inventors: Takahiro ASAI, Osamu TAKAYASU, Tatsuya NAGASE
  • Publication number: 20220315796
    Abstract: A manufacturing method of a sound insulating layer by application of raw materials for urethane resin, by applying row materials for urethane resin in their liquid states along a surface of a porous layer of a soundproof body to manufacture as the sound insulating layer.
    Type: Application
    Filed: December 18, 2019
    Publication date: October 6, 2022
    Applicants: HOWA CO., LTD., COVESTRO LLC, CONVESTRO DEUTSCHLAND AG
    Inventors: Shinobu FUSHIKI, Takahiro ASAI, John W. JENNY, Fumihiko NODA
  • Publication number: 20220311819
    Abstract: A transmission management system includes a destination name data managing unit which manages a plurality of destination name data items which indicate a plurality of names of a destination in communications between transmission terminals, a destination name data reading unit which reads a destination name data item from the plurality of destination name data items managed by the destination name data managing unit, and a destination name data transmitting unit which transmits the destination name data item read by the destination name data reading unit to a transmission terminal capable of communicating with the destination.
    Type: Application
    Filed: June 14, 2022
    Publication date: September 29, 2022
    Applicant: Ricoh Company, Ltd.
    Inventors: Kaoru MAEDA, Takahiro ASAI
  • Publication number: 20220288633
    Abstract: A radio wave absorber film which is thin and exhibits excellent radio wave absorption performance; and a method for producing this radio wave absorber film. The radio wave absorber film formed on a base material layer contains a magnetic body and a binder resin in a radio wave absorption layer; and an aromatic ester-urethane copolymer is used as the binder resin. The glass transition temperature of the binder resin is 100° C. or less, and 0° C. or less.
    Type: Application
    Filed: July 30, 2020
    Publication date: September 15, 2022
    Inventors: Shin-ichi OHKOSHI, Asuka NAMAI, Marie YOSHIKIYO, Masayuki HARA, Takahiro ASAI
  • Patent number: 11431718
    Abstract: An information processing apparatus includes a first communications connector configured to implement first data communications connection between a first transmission terminal specified by first identification information and a second transmission terminal specified by second identification information when authentication of the first transmission terminal is established, an identification information acquisition part configured to acquire third identification information and fourth identification information by referring to correspondence information registering the third identification information in association with the first identification information, and the fourth identification information in association with the second identification information when acquiring a second data communications connecting request including the first identification information and the second identification information from the first transmission terminal, and a connection request part configured to transmit the second data
    Type: Grant
    Filed: July 11, 2019
    Date of Patent: August 30, 2022
    Assignee: RICOH COMPANY, LTD.
    Inventors: Takahiro Asai, Osamu Takayasu, Tatsuya Nagase
  • Patent number: 11393070
    Abstract: An image processing apparatus: obtains a first image in a first projection, a second image in a second projection, and location information indicating locations of a plurality of points in the first image that are respectively associated with a plurality of points in the second image; generates, as an image to be superimposed on the first image, a superimposed image based on the second image, the superimposed image having the plurality of points in the second image at respective locations as indicated by the location information; and superimposes the superimposed image on the first image.
    Type: Grant
    Filed: December 28, 2017
    Date of Patent: July 19, 2022
    Assignee: RICOH COMPANY, LTD.
    Inventors: Keiichi Kawaguchi, Takahiro Asai, Hiroshi Suitoh, Kazuhiro Yoshida
  • Patent number: 11284014
    Abstract: An image processing apparatus includes: an image acquisition unit to obtain a plurality of images that have been captured under different exposure conditions; an acceptance unit to receive designation of an area in a first image, the first image being one of the plurality of images; a brightness characteristics acquisition unit to obtain a brightness characteristic value of the designated area in the first image; and a combining unit to: determine a combining condition used for combining the first image and a second image according to the brightness characteristic value, the second image being any one of the plurality of images other than the first image, and combine the first image and the second image based on the combining condition to correct brightness of the designated area for display.
    Type: Grant
    Filed: October 24, 2018
    Date of Patent: March 22, 2022
    Assignee: RICOH COMPANY, LTD.
    Inventors: Keiichi Kawaguchi, Takahiro Asai, Kazuhiro Yoshida
  • Patent number: 11245707
    Abstract: A communication terminal communicably connected with a server, including circuitry to: detect one or more objects in any one of one or more images that are sequentially captured with an imaging unit; count a number of object detections, every time a predetermined number of objects are detected in the image; and transmit, to the server, one or more items of image data each including each one of the detected one or more objects, based on a determination that the counted number of object detections reaches or exceeds a predetermined value.
    Type: Grant
    Filed: March 29, 2019
    Date of Patent: February 8, 2022
    Assignee: RICOH COMPANY, LTD.
    Inventors: Yoshinaga Kato, Yoshiyuki Toda, Takahiro Asai
  • Patent number: 11184844
    Abstract: In user terminal 10 of the present invention, connection-cell-selection controlling section 110 measures reception quality of signals respectively transmitted from cells and received by antenna section 108, corrects the reception quality of each of the cells based on a positional relationship between each of the cells and user terminal 10 and based on a moving direction of user terminal 10, and determines a connection cell for user terminal 10 (base station in communication with user terminal 10) based on the corrected reception quality. This configuration lowers a cell switching frequency, while preventing degradation of throughput and the like in a future radio communication system (multilayer cellular radio network).
    Type: Grant
    Filed: December 18, 2017
    Date of Patent: November 23, 2021
    Assignee: NTT DOCOMO, INC.
    Inventors: Akira Kishida, Yoshifumi Morihiro, Takahiro Asai, Yukihiko Okumura
  • Patent number: 11153919
    Abstract: An AP and UE, which perform access control using CSMA/CA, perform a step judging an exposed level in transmission of the AP based on a congesting level in transmission, which is caused by a wireless station in defer transmission that is in a neighborhood of the AP; a step judging an exposed level in reception of the UE based on a congesting level in reception, which is caused by a wireless station in defer transmission that is in a neighborhood of the UE; and a step performing control which changes a channel of the AP, when the exposed level in transmission cannot satisfy expected quality of the AP, and performing control which changes a connected AP of the UE, or control which changes to other network, when the exposed level in transmission or in reception cannot satisfy required quality of the UE or the expected quality of the AP.
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: October 19, 2021
    Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Akiyoshi Inoki, Hirantha Abeysekera, Munehiro Matsui, Kenichi Kawamura, Yasushi Takatori, Takeo Ichikawa, Akira Kishida, Yoshifumi Morihiro, Takahiro Asai