Patents by Inventor Kenji Tanaka

Kenji Tanaka 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: 12050484
    Abstract: A clock generation circuit includes a mode-locked laser that generates an optical pulse, a photodiode that photoelectrically converts the optical pulse generated by the mode-locked laser, and a filter that attenuates at least one of a DC component and a harmonic component of the mode-locked laser included in an electric signal output from the photodiode.
    Type: Grant
    Filed: April 17, 2019
    Date of Patent: July 30, 2024
    Assignee: Nippon Telegraph and Telephone Corporation
    Inventors: Kenji Tanaka, Naoki Miura, Shinsuke Nakano, Hideyuki Nosaka
  • Patent number: 12045183
    Abstract: A distributed processing node includes a computing device that calculates gradient data of a loss function from an output result obtained by inputting learning data to a learning target model, an interconnect device that aggregates gradient data between the distributed processing node and other distributed processing nodes, a computing function unit that is provided in a bus device and performs processing of gradient data from the computing device, and a DMA controller that controls DMA transfer of gradient data between the computing device and the bus device and DMA transfer of gradient data between the bus device and the interconnect device.
    Type: Grant
    Filed: April 2, 2020
    Date of Patent: July 23, 2024
    Assignee: Nippon Telegraph and Telephone Corporation
    Inventors: Tsuyoshi Ito, Kenji Tanaka, Yuki Arikawa, Kazuhiko Terada, Takeshi Sakamoto
  • Publication number: 20240243550
    Abstract: Provided is a laser element capable of integrating a plurality of optical elements and inhibiting a standing wave of excitation light or oscillation light.
    Type: Application
    Filed: February 15, 2022
    Publication date: July 18, 2024
    Inventors: KENJI TANAKA, MASANAO KAMATA
  • Publication number: 20240243542
    Abstract: An optical resonator having a short pulse width, a low manufacturing cost, and a high degree of freedom in design is provided. An optical resonator according to one aspect of the present disclosure includes a pair of reflection members, a laser medium that is disposed between the pair of reflection members and is excited by specific excitation light to emit emission light, and a polarization control unit that is disposed between the pair of reflection members and controls polarization of the emission light, in which the polarization control unit has a microstructure on a surface so as to have different transmittances for polarized light beams orthogonal to each other out of zeroth-order diffracted light of the emission light.
    Type: Application
    Filed: February 15, 2022
    Publication date: July 18, 2024
    Inventors: KENJI TANAKA, GEN YONEZAWA, MASANAO KAMATA, HIROSHI TOBITA, GO HIRANO
  • Publication number: 20240184965
    Abstract: A calculation resource control device includes an input unit to which a processing content specified by a user is input, an equivalent circuit preparation unit that collects candidates for an equivalent circuit that is a processing circuit having a function of executing a part of the processing content to output an equivalent circuit candidate group, and a function chain creation unit that determining a processing execution circuit from the equivalent circuit candidate group on the basis of a predetermined reference, determines a connection order of the processing execution circuit, and outputs a function chain for executing the processing content.
    Type: Application
    Filed: April 28, 2021
    Publication date: June 6, 2024
    Inventors: Yuki Arikawa, Kenji Tanaka, Tsuyoshi Ito, Tsutomu Takeya, Takeshi Sakamoto
  • Patent number: 11996734
    Abstract: A stator includes: a stator core including a plurality of stator teeth in a circumferential direction with respect to a center of rotation of a rotary electric machine; a stator coil disposed on a bottom portion side of each of a plurality of stator slots formed between the stator teeth; and a stator magnet disposed on an opening side of each of the plurality of stator slots and having the same polarity in a radial direction, and in each of the stator slots, the stator magnet is divided at a center in the circumferential direction of the stator slot.
    Type: Grant
    Filed: January 21, 2020
    Date of Patent: May 28, 2024
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Haruyuki Kometani, Ryoji Miyatake, Takuro Yamada, Kenji Tanaka
  • Patent number: 11980455
    Abstract: A measuring device is provided for reducing the occurrence of damage to a sensor section. The sensor section includes a substrate, a pair of comb electrodes on a first principal surface, and a pair of back-side electrodes disposed on a second principal surface and corresponding to the pair of comb electrodes, respectively. The pair of comb electrodes includes a plurality of tooth sections and connection sections that connect the tooth sections to each other, respectively. The substrate includes via-hole conductors in positions corresponding to the tooth sections inside a region surrounded by the outer tooth sections on opposite ends in a direction in which the tooth sections in the pair of comb electrodes are aligned and the connection sections. The via-hole conductors connect the comb electrodes and the back-side electrodes.
    Type: Grant
    Filed: November 30, 2021
    Date of Patent: May 14, 2024
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Jun Takagi, Kenji Tanaka, Tomoki Takahashi
  • Patent number: 11957487
    Abstract: A cover for covering an oral device that includes a first sheet member made of a first resin, and a second sheet member made of a second resin and facing the first sheet member, wherein when a first direction is a direction along a surface of the first sheet member and a second direction is a direction along the surface of the first sheet member and orthogonal to the first direction, the first sheet member and the second sheet member are joined to each other in a bag shape so as to define an opening at a first side in the first direction. A protruding portion protrudes from the second sheet member and past an outer edge of the first sheet member at the opening in the first direction.
    Type: Grant
    Filed: February 12, 2021
    Date of Patent: April 16, 2024
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Toru Shimuta, Kenji Tanaka, Jun Takagi
  • Patent number: 11962465
    Abstract: According to one embodiment, a control system includes a client terminal, a first server and a second server. The client terminal transmits an assignment request of an IP address including first identification information that uniquely identifies the client terminal and is set as a host name to the first server. The first server assigns an IP address to the client terminal in accordance with the request, and transmits the IP address and the host name to the second server. The second server transmits, when one or more items of second identification information include the first identification information set as the host name and when a setup process of the client terminal has not been performed, data for the process of the client terminal to the client terminal using the IP address.
    Type: Grant
    Filed: July 8, 2021
    Date of Patent: April 16, 2024
    Assignee: TOSHIBA CLIENT SOLUTIONS CO., LTD.
    Inventors: Kenji Tanaka, Yoshio Matsuoka
  • Publication number: 20240120817
    Abstract: A permanent magnet-type rotary electric machine includes a stator, a first rotor, and a second rotor. The stator includes a stator core, a plurality of stator teeth, a plurality of stator slots, a plurality of stator magnets, and a stator coil. The first rotor is disposed inside the stator core relative to the plurality of stator magnets. The second rotor is disposed inside the stator core relative to a plurality of first pole pieces. The second rotor includes a plurality of second pole pieces. A proportion of the number of the plurality of stator slots to the number of poles of the plurality of second pole pieces of the second rotor is greater than 1.25 and less than 1.5, or greater than 1.5 and less than 3.0.
    Type: Application
    Filed: December 23, 2020
    Publication date: April 11, 2024
    Applicants: Mitsubishi Electric Corporation, OSAKA UNIVERSITY
    Inventors: Haruyuki KOMETANI, Ryoji MIYATAKE, Takuro YAMADA, Kenji TANAKA, Katsuhiro HIRATA, Noboru NIGUCHI, Kazuaki TAKAHARA, Hironori SUZUKI, Takuya ITO
  • Patent number: 11930035
    Abstract: An information processing apparatus detects an unauthorized attack and transmits attack detection information concerning the detected attack to a communication control device. The communication control device selects an attack countermeasure instruction associated with an attack detection content that matches the attack detection information and an attack countermeasure function of the information processing apparatus by using the transmitted attack detection information and the attack countermeasure information stored in advance, decides a countermeasure method to be executed against the attack, and transmits the attack countermeasure instruction information including the decided countermeasure method to the information processing apparatus. The information processing apparatus is characterized to decide the countermeasure method to be executed against the attack from the received attack countermeasure instruction information and to execute the decided countermeasure method against the attack.
    Type: Grant
    Filed: August 31, 2021
    Date of Patent: March 12, 2024
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Harunobu Mori, Kenji Tanaka
  • Publication number: 20240045674
    Abstract: A transfer processing device includes an arithmetic instruction number acquisition circuit, a buffer circuit, a transfer information acquisition circuit, and a software processing unit. The arithmetic instruction number acquisition circuit acquires a transfer instruction number corresponding to transfer information which is information related to the next transfer destination of an arithmetic instruction. The buffer circuit is arranged between the arithmetic instruction number acquisition circuit and the transfer information acquisition circuit, and temporarily stores and relays the arithmetic instruction and the arithmetic instruction number supplied from the arithmetic instruction number acquisition circuit to the transfer information acquisition circuit. The transfer information acquisition circuit acquires transfer information on the basis of the arithmetic instruction number, and gives the acquired transfer information to the arithmetic instruction.
    Type: Application
    Filed: December 10, 2020
    Publication date: February 8, 2024
    Inventors: Tsuyoshi Ito, Kenji Tanaka, Yuki Arikawa, Kazuhiko Terada, Tsutomu Takeya, Takeshi Sakamoto
  • Publication number: 20240007362
    Abstract: In an NFV system, a protocol processor that receives a packet from an external network, a calculator that implements NFV for performing predetermined processing on the received packet, and an ANN calculator that performs processing using an ANN in the processing of the NFV are mounted on an NIC.
    Type: Application
    Filed: November 30, 2020
    Publication date: January 4, 2024
    Inventors: Kenji Tanaka, Yuki Arikawa, Tsuyoshi Ito, Tsutomu Takeya, Takeshi Sakamoto
  • Publication number: 20240004828
    Abstract: Each NIC performs an aggregation calculation of data output from each processor in a normal order including a head NIC located at a head position of a first pipeline connection, an intermediate NIC located at an intermediate position, and a tail NIC located at a tail position, and when the aggregation calculation in the tail NIC is completed, each NIC starts distribution of an obtained aggregation result, distributes the aggregation result in a reverse order including the tail NIC, the intermediate NIC, and the head NIC, and outputs the aggregation result to the processor of the communication interface.
    Type: Application
    Filed: November 11, 2020
    Publication date: January 4, 2024
    Inventors: Kenji Tanaka, Tsuyoshi Ito, Yuki Arikawa, Tsutomu Takeya, Kazuhiko Terada, Takeshi Sakamoto
  • Publication number: 20230421510
    Abstract: A network card has a plurality of buffers each having different physical performances including a memory access speed or a storage capacity, and a buffer control circuit selects one buffer to be a packet storage destination from among the plurality of buffers on the basis of a priority or a service quality of a packet specified from header information of the packet received by a physical port and the physical performances of the plurality of buffers.
    Type: Application
    Filed: November 13, 2020
    Publication date: December 28, 2023
    Inventors: Yuki Arikawa, Kenji Tanaka, Tsuyoshi Ito, Tsutomu Takeya, Takeshi Sakamoto
  • Publication number: 20230412752
    Abstract: An image processing apparatus includes: an apparatus information generator, an authenticator, and a job controller. The apparatus information generator generates apparatus information including apparatus identification information. The authenticator performs non-contact user authentication with a communication terminal by using communication without the Internet or by capturing image information. The job controller causes the communication terminal whose user has been authenticated by the authenticator to acquire the apparatus information by using communication without the Internet or by providing the apparatus information as image information. The job controller causes an apparatus corresponding to the apparatus information to execute a job on a basis of the apparatus information transmitted from the communication terminal via the Internet and setting information related to job execution.
    Type: Application
    Filed: August 18, 2023
    Publication date: December 21, 2023
    Inventor: KENJI TANAKA
  • Publication number: 20230412527
    Abstract: In a network interface card, a buffer is provided with a plurality of queues corresponding to packet priority levels, a packet processing circuit stores a packet in a queue in the buffer corresponding to the priority level obtained from a packet received by a physical port, and a control circuit sequentially selects a queue in the buffer on the basis of the packet priority level and allocates a packet read from the selected queue to a computation/processing circuit.
    Type: Application
    Filed: November 13, 2020
    Publication date: December 21, 2023
    Inventors: Yuki Arikawa, Kenji Tanaka, Tsuyoshi Ito, Tsutomu Takeya, Takeshi Sakamoto
  • Publication number: 20230385603
    Abstract: A neural architecture search system includes a deployment constraint management unit that converts a first constraint condition that defines a constraint of a system that implements a neural network into a second constraint condition that defines a constraint of a parameter that prescribes an architecture of the neural network, a learning engine unit that performs learning of the neural network under a search condition and calculates inference accuracy in a case where the learned neural network is used, and a model modification unit that causes the learning engine unit to perform the learning and the calculation of the inference accuracy while changing the architecture of the neural network on the basis of the inference accuracy and the second constraint condition so as to obtain the best inference accuracy.
    Type: Application
    Filed: November 12, 2020
    Publication date: November 30, 2023
    Inventors: Yuki Arikawa, Kenji Tanaka, Tsuyoshi Ito, Tsutomu Takeya, Takeshi Sakamoto
  • Patent number: 11785167
    Abstract: An image processing apparatus includes: an apparatus information generator, an authenticator, and a job controller. The apparatus information generator generates apparatus information including apparatus identification information. The authenticator performs non-contact user authentication with a communication terminal by using communication without the Internet or by capturing image information. The job controller causes the communication terminal whose user has been authenticated by the authenticator to acquire the apparatus information by using communication without the Internet or by providing the apparatus information as image information. The job controller causes an apparatus corresponding to the apparatus information to execute a job on a basis of the apparatus information transmitted from the communication terminal via the Internet and setting information related to job execution.
    Type: Grant
    Filed: June 22, 2022
    Date of Patent: October 10, 2023
    Assignee: SHARP KABUSHIKI KAISHA
    Inventor: Kenji Tanaka
  • Publication number: 20230273835
    Abstract: A computer system according to the present invention includes N (N is an integer of 2 or more) data output devices, a transmission control device, and an arithmetic device, in which the arithmetic device executes predetermined arithmetic processing on data collected from the N data output devices via a communication network connecting the data output devices and the arithmetic device to each other, the transmission control device controls transmission timing of data output from the N data output devices according to a processing content of the predetermined arithmetic processing executed by the arithmetic device, and the N data storage devices are configured to output the data on the basis of the transmission timing notified by the transmission control device.
    Type: Application
    Filed: August 5, 2020
    Publication date: August 31, 2023
    Inventors: Yuki Arikawa, Kenji Tanaka, Tsuyoshi Ito, Takeshi Sakamoto