Patents by Inventor Seiji Yamamoto

Seiji Yamamoto 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: 20230082854
    Abstract: A photo-electron fusion switch that can perform optical communications without any trouble, even when nodes of a communication source and a communication partner that are large in transmission capacity are connected, and makes it possible to realize a concentrated arrangement of devices having similar functions and reduce the communication processing time is connected to communication source's information processing devices and communication partner's information processing devices and information processing devices that are each different in transmission speed so as to configure an optical network system.
    Type: Application
    Filed: February 26, 2020
    Publication date: March 16, 2023
    Inventors: Hideki Nishizawa, Seiki Kuwabara, Seiji Okamoto, Shuto Yamamoto, Tetsuro Inui, Shunichi Soma, Kenya Suzuki, Osamu Moriwaki, Keita Yamaguchi
  • Publication number: 20230076671
    Abstract: A virtual environment optical communication network is generated by setting configuration parameters of physical packages of a real environment optical communication network in package emulators that a computer program has virtually constructed to implement the physical packages, the real environment optical communication network being constructed by a plurality of node devices in which the physical packages are mounted, pieces of configuration data are generated based on pieces of resource data indicating resources required for optical paths detected based on acquired configuration parameters and a requested transmission mode, optical paths are set in the virtual environment optical communication network based on the generated pieces of configuration data, and optical paths are set in the real environment optical communication network based on the pieces of configuration data that have been used to set the optical paths.
    Type: Application
    Filed: February 17, 2020
    Publication date: March 9, 2023
    Inventors: Takafumi TANAKA, Hideki NISHIZAWA, Tetsuro INUI, Seiki KUWABARA, Shuto YAMAMOTO, Seiji OKAMOTO
  • Publication number: 20230073384
    Abstract: An optical and electronic integrated switch includes a network processor that controls the functions of the packet switch, a plurality of optical transceivers having photoelectric conversion functions, and a plurality of optical switches. The optical switches include different types of optical core switch and a plurality of optical-path selection switches. The optical transceivers provided near the processor have a regenerative relay function that regenerates optical signals and turns back the optical signals, and perform optical communication with a communication counterpart via the optical switches. In the optical communication, optical switches of the different types can cooperate to set paths for optical cut-through in which path selection is performed such that inputted optical signals are outputted without the intervention of the processor. This optical cut-through can be effectively performed without imposing a signal processing burden that consumes electric power on the processor.
    Type: Application
    Filed: January 30, 2020
    Publication date: March 9, 2023
    Inventors: Osamu Moriwaki, Shunichi Soma, Keita Yamaguchi, Kenya Suzuki, Seiki Kuwabara, Tetsuro Inui, Shuto Yamamoto, Seiji Okamoto, Hideki Nishizawa
  • Publication number: 20230060777
    Abstract: A photonics-electronics convergence switch with which, even if an optical network system is built by combining a plurality of packet switches, the amount of processing in the packet switches does not increase, the optical network system operates with low electric power consumption, and this enables wide-range optical communication between the nodes of a communication origin and of a communication partner, includes a network processor that is an electronic circuit configured to control the functions of the packet switch, a plurality of optical transmitter-receivers having photoelectric conversion functions, and a plurality of optical switches.
    Type: Application
    Filed: February 26, 2020
    Publication date: March 2, 2023
    Inventors: Keita Yamaguchi, Osamu Moriwaki, Shunichi Soma, Kenya Suzuki, Seiki Kuwabara, Tetsuro Inui, Shuto Yamamoto, Seiji Okamoto, Hideki Nishizawa
  • Patent number: 11591489
    Abstract: An aqueous ink jet composition contains: C.I. Disperse Red 364; a material A which is at least one compound selected from the group consisting of a compound represented by the following formula (1), a compound represented by the following formula (2), an ethylene oxide adduct of tristyrylphenol, a derivative of the ethylene oxide adduct of tristyrylphenol, a polyalkylene glycol, and a derivative of the polyalkylene glycol; and an anionic dispersant.
    Type: Grant
    Filed: December 26, 2019
    Date of Patent: February 28, 2023
    Inventors: Hisashi Okamura, Hiroko Hayashi, Kenji Kitada, Yasunari Ikeda, Hirofumi Hokari, Shinichi Yamamoto, Michio Nakamori, Shigeki Kawada, Kenta Kikuchi, Kazumasa Otsuki, Seiji Kagami, Shinichi Naito
  • Patent number: 11586133
    Abstract: Disclosed is a layer transfer device which transfers a layer of a multilayer film onto a surface of a sheet. The layer transfer device includes a heating member including a first portion and a second portion, a first heater, a second heater, and a controller. The controller is configured to control the first heater with an input power set at a predetermined input power, control the second heater with an input power set at a first input power if both of the multilayer film and the sheet pass over a surface of the second portion, and control the second heater with an input power set at a second input power that is smaller than the first input power if at least one of the multilayer film and the sheet does not pass over the surface of the second portion.
    Type: Grant
    Filed: July 23, 2021
    Date of Patent: February 21, 2023
    Inventors: Seiji Hiramatsu, Kyoko Sugiyama, Tomoya Ichikawa, Tomoya Yamamoto
  • Patent number: 11581944
    Abstract: An optical transmission system including an optical transmitter and an optical receiver, wherein the optical transmitter includes a signal coding unit that performs non-linear block coding on an M (M is an integer greater than or equal to 1)-value symbol sequence or a bit sequence input as data information to generate an L (L is an integer greater than or equal to 2, L>M)-value symbol sequence that corresponds to the M-value symbol sequence or the bit sequence in one-to-one correspondence, a digital-to-analog conversion unit that converts the generated L-value symbol sequence to an analog signal, and a modulator that generates an optical modulation signal by performing modulation based on the analog signal, and the optical receiver includes a light receiving unit that receives the optical modulation signal transmitted from the optical transmitter and converts the optical modulation signal to an electrical signal, and a signal decoding unit that restores the M-value symbol sequence or the bit sequence by pe
    Type: Grant
    Filed: November 7, 2019
    Date of Patent: February 14, 2023
    Inventors: Shuto Yamamoto, Seiji Okamoto, Akira Masuda, Hiroki Taniguchi, Yoshiaki Kisaka
  • Publication number: 20230029750
    Abstract: A single solid-state image sensing device is disposed for a first optical system and a second optical system provided in a rigid endoscope. The first image formed by the first light beam emerging from the observation target and passing through the first optical system and the second image formed by the second light beam emerging from the observation target and passing through the second optical system are formed on the imaging surface of the solid-state image sensing device. The solid-state image sensing device then converts the first image and the second image into electric signals. In the picture display unit, the first picture corresponding to the first image and the second picture corresponding to the second image are displayed on the display surface based on the electric signal obtained by the solid-state image sensing device.
    Type: Application
    Filed: December 15, 2020
    Publication date: February 2, 2023
    Inventors: Seiji Yamamoto, Masaki Orimoto
  • Patent number: 11559768
    Abstract: The present disclosure provides the exhaust gas purification catalyst with the improved purification performance under the high Ga condition and the transient state in which an A/F repeats rich and lean phases. The present disclosure relates to an exhaust gas purification catalyst comprising a catalyst coating layer on a substrate, the catalyst coating layer containing a noble metal, a composite oxide containing cerium oxide and zirconium oxide, and a composite oxide containing aluminum oxide, wherein in the catalyst coating layer: an average thickness of the coating layer is in a range from 20 ?m to 100 ?m; a porosity measured by a weight-in-water method is in a range from 50% by volume to 80% by volume; and high-aspect-ratio pores having an aspect ratio of 5 or more account for 0.
    Type: Grant
    Filed: April 17, 2020
    Date of Patent: January 24, 2023
    Inventors: Isao Chinzei, Masahide Miura, Seiji Nakahigashi, Hiromasa Suzuki, Akira Morikawa, Toshio Yamamoto, Satoru Katoh, Takashi Onozuka, Hirotaka Ori, Mitsuyoshi Okada, Sho Hoshino
  • Publication number: 20220294371
    Abstract: A motor control device controls a drive of a motor in a motor drive system including the motor and a detent mechanism. The detent mechanism has a detent member that rotates integrally with an output shaft to which the rotation of the motor is transmitted, and an engaging member that moves a valley portion by a rotation of the motor and positions the output shaft by stopping within a positioning range. The motor control device includes a positioning determination unit and an energization control unit. The positioning determination unit determines whether or not the engaging member is stopped within the positioning range based on control parameter other than a detection value of a motor rotation angle sensor that detects a motor rotation angle. When the energization control unit determines that the engaging member is stopped within the positioning range, the energization control unit turns off the energization of the motor.
    Type: Application
    Filed: May 31, 2022
    Publication date: September 15, 2022
    Inventors: Daisuke YAMAMOTO, Seiji NAKAYAMA, Jun YAMADA, Kouji SAKAGUCHI
  • Patent number: 11444699
    Abstract: There are provided an optical transmission apparatus that subjects a transmission signal including a plurality of sequences to Hadamard transform to obtain a signal in which a predetermined delay is added to one of the sequences, optically modulates the obtained signal, and transmits the modulated signal, and an optical reception apparatus that demodulates a reception signal received from the optical transmission apparatus by subjecting the reception signal to adaptive equalization processing with a predetermined number of taps.
    Type: Grant
    Filed: January 15, 2020
    Date of Patent: September 13, 2022
    Inventors: Akira Masuda, Fukutaro Hamaoka, Shuto Yamamoto, Seiji Okamoto, Kengo Horikoshi, Masanori Nakamura, Asuka Matsushita, Yoshiaki Kisaka
  • Patent number: 11437703
    Abstract: A window glass for a vehicle includes a glass plate for window of the vehicle, a defogger on the glass plate, and an antenna on the glass plate. The defogger includes a pair of bus bars extending in a height direction of the glass plate, a first defogging area formed by a plurality of first heating wires connected between the pair of bus bars and extending in a widthwise direction of the glass plate, and a second defogging area formed by at least a second heating wire connected to the pair of bus bars or to the first defogging area and extending in a protruding manner to one side in the height direction to surround a wiring-prohibited area. The antenna is provided in at least one of areas that are an area on left of the second defogging area and an area on right of the second defogging area.
    Type: Grant
    Filed: January 15, 2020
    Date of Patent: September 6, 2022
    Assignee: AGC INC.
    Inventors: Takafumi Inoue, Naoki Hashimoto, Tsuyoshi Yamamoto, Shintaro Kojima, Seiji Morimoto, Masakazu Okabe
  • Patent number: 11428926
    Abstract: An image projection device includes: a light source that emits a laser beam; a control unit that generates an image light beam, and controls emission of the image light beam; a scan unit that scans the image light beam to convert it into scan light; a first light converging unit that is disposed before a user's eye, converges the scan light at a first convergence point near a pupil, and then irradiates the retina with the scan light to project the image on the retina; and a second light converging unit that converges the scan light at a second convergence point before the first light converging unit, and then irradiates the first light converging unit with the scan light; wherein a scan angle of the scan light is substantially the same size as a convergence angle at which the scan light converges to the first convergence point.
    Type: Grant
    Filed: September 12, 2018
    Date of Patent: August 30, 2022
    Assignee: QD LASER, INC.
    Inventors: Makoto Suzuki, Megumi Yamamoto, Seiji Morino, Chizuru Kaneko
  • Patent number: 11408149
    Abstract: A work vehicle control system includes an actual topography acquisition device, a storage device, and a controller. The actual topography acquisition device acquires actual topography information, which indicates an actual topography of a work target. The storage device stores design topography information, which indicates a final design topography that is a target topography of the work target. The controller acquires the actual topography information from the actual topography acquisition device, and the design topography information from the storage device. The controller determines an intermediate design topography positioned above the actual topography and below the final design topography. The controller generates a command signal to move the work implement based on the intermediate design topography. The intermediate design topography includes a plurality of intermediate design surfaces divided in the traveling direction of the work vehicle.
    Type: Grant
    Filed: July 25, 2017
    Date of Patent: August 9, 2022
    Assignee: KOMATSU LTD.
    Inventors: Eiji Ishibashi, Akifumi Inamaru, Seiji Nagano, Kenji Yamamoto, Kazuyuki Kirino, Yasuhito Yonezawa, Yosuke Kogawa, Takahiro Shimojo
  • Patent number: 11404195
    Abstract: Provided is a reactor that includes: a coil provided with a wound portion that is obtained by winding a winding wire, and has an exposed region with which a liquid coolant comes into direct contact; a magnetic core that is arranged inside and outside the wound portion, and forms a closed magnetic circuit; a sensor member configured to measure the temperature of the coil, the sensor member including a rod-shaped sensor body portion attached to the exposed region of the wound portion, and a wire coupled to the sensor body portion; and a sensor cover portion that covers surfaces of the outer periphery of the sensor body portion, except for a mounting surface for mounting to the wound portion and at least part of a coupling surface to which the wire is coupled.
    Type: Grant
    Filed: January 22, 2018
    Date of Patent: August 2, 2022
    Assignees: AutoNetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd., Sumitomo Electric Industries, Ltd.
    Inventors: Shinichiro Yamamoto, Takashi Misaki, Seiji Shitama, Tatsuo Hirabayashi
  • Publication number: 20220232858
    Abstract: A hardly soluble beverage product, comprising: a container comprising a main body that contains a content and that has a container mouth as an outlet of the content, and a cap that is mounted on the container mouth to close the main body. An internal volume of the container is set to a total of: a volume corresponding to a volume of the powder material contained in the container; a volume corresponding to an amount of the liquid determined in accordance with an amount of the powder material to be mixed or dissolved with the liquid; and a volume as an extra space to cause turbulence of the powder material and the liquid.
    Type: Application
    Filed: June 12, 2020
    Publication date: July 28, 2022
    Applicant: DAIWA CAN COMPANY
    Inventors: Eiji FUJISHIGE, Tatsuhei YAMAMOTO, Kenji SUGIMOTO, Shuji KAJITA, Seiji NAGAZUMI, Susumu MATSUOKA
  • Publication number: 20220221792
    Abstract: A pattern forming material according to an embodiment is a pattern forming material comprising a polymer composed of a plurality of monomer units bonded to each other. Each of the monomer units includes an ester structure having a first carbonyl group and at least one second carbonyl group bonded to the ester structure. A second carbonyl group farthest from a main chain of the polymer constituting the pattern forming material among second carbonyl groups is in a linear chain state.
    Type: Application
    Filed: March 29, 2022
    Publication date: July 14, 2022
    Applicant: Kioxia Corporation
    Inventors: Ryosuke YAMAMOTO, Seiji MORITA, Norikatsu SASAO, Koji ASAKAWA, Tomoaki SAWABE, Shinobu SUGIMURA
  • Publication number: 20220224415
    Abstract: An electric digital received signal obtained from a received optical signal is segmented into blocks of a certain length with an overlap of a length determined in advance with an adjacent block. Fourier transformation is performed for each of the blocks. The blocks subjected to the Fourier transformation are stored consecutively in time series, a coefficient determined based on a wavelength dispersion compensation amount according to one of frequency positions and a delay amount according to one of the frequency positions and one of time positions is applied to each of frequency component values included in a plurality of the stored blocks, and the blocks to which the coefficient has been applied and which are obtained by adding up the frequency component values to which the coefficient has been applied for each of the frequency positions are generated. Inverse Fourier transformation is performed on the generated blocks to which the coefficient has been applied.
    Type: Application
    Filed: June 6, 2019
    Publication date: July 14, 2022
    Inventors: Masanori NAKAMURA, Seiji Okamoto, Kengo HORIKOSHI, Shuto YAMAMOTO, Takayuki KOBAYASHI, Yoshiaki KISAKA, Masahito TOMIZAWA
  • Publication number: 20220214639
    Abstract: In a foil transfer device for transferring a transfer layer from a foil film onto a sheet laid on the foil film, the foil film is wound on a supply reel, and taken up on a take-up reel. A heating member heats the foil film, and a pressure member is provided to press the foil film and the sheet between the pressure member and the heating member. A separator changes a traveling direction of the foil film having passed through between the heating member and the pressure member into a direction different from a direction of conveyance of the sheet, to thereby separate the foil film from the sheet. A first fan blows air toward the foil film positioned between the heating member and the separator.
    Type: Application
    Filed: March 25, 2022
    Publication date: July 7, 2022
    Inventors: Kentaro MORI, Ryosuke SAKAI, Ayaka OHIRA, Tomoya YAMAMOTO, Seiji HIRAMATSU
  • Patent number: 11381754
    Abstract: A camera control section (21) fixes among parameters for photographing which are set in a camera (1), another parameter than exposure time, and causes the camera (1) to photograph a photographing target area while changing the exposure time. An image acquisition section (11) acquires N (N?3) images of the photographing target area acquired by photographing by the camera (1). A model generation section (100) extracts for each pixel position, pixel values of a same pixel position from the N images, and generates a model indicating for each pixel position, a relationship between exposure times and pixel values, based on the extracted pixel values of the same pixel position and an exposure time at a time of photographing of each of the N images. A luminance value calculation section (52) calculates a luminance value for each pixel position, using the generated model and a luminance coefficient.
    Type: Grant
    Filed: May 21, 2021
    Date of Patent: July 5, 2022
    Assignee: Mitsubishi Electric Corporation
    Inventors: Eiji Yamamoto, Masaki Oda, Seiji Okumura