Patents by Inventor Takashi Maruyama
Takashi Maruyama 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).
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Publication number: 20250062101Abstract: A control method of a plasma processing apparatus including a first electrode that places a workpiece thereon includes supplying a bias power to the first electrode, and supplying a source power having a frequency higher than that of the bias power into a plasma processing space. The source power has a first state and a second state. The control method further includes a first control process of alternately applying the first state and the second state of the source power in synchronization with a signal synchronized with a cycle of a radio frequency of the bias power, or a phase within one cycle of a reference electrical state that represents any one of a voltage, current, and electromagnetic field measured in a power feeding system of the bias power.Type: ApplicationFiled: November 4, 2024Publication date: February 20, 2025Applicant: Tokyo Electron LimitedInventors: Chishio KOSHIMIZU, Taichi HIRANO, Toru HAYASAKA, Shinji KUBOTA, Koji MARUYAMA, Takashi DOKAN
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Publication number: 20250063839Abstract: The present technique relates to an imaging device and an electronic device that can further suppress the occurrence of white spots and dark current. The imaging device includes: a photoelectric conversion region including a first semiconductor region containing a first impurity and a second semiconductor region containing a second impurity; and a layer region including at least a first layer containing a high concentration of the first impurity and a second layer made of a predetermined material on a light incident surface side of the photoelectric conversion region. The imaging device further includes a pixel array part including the photoelectric conversion region disposed therein in an array form; and a pixel peripheral part including a processing unit that is disposed therein and processes a signal from the pixel array part. The pixel peripheral part is provided with a layer region not including the first layer.Type: ApplicationFiled: December 15, 2022Publication date: February 20, 2025Inventors: ISAYA KITAMURA, YUKI MIYANAMI, CHIGUSA YAMANE, TORU MARUYAMA, TAKASHI KOJIMA
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Patent number: 12208629Abstract: A recording apparatus includes a conveyance unit, a carriage, a recording head, a frame, and a guide member. The conveyance unit conveys a sheet in a conveyance direction. The carriage moves in a scanning direction crossing the conveyance direction and has a first abutment portion and a second abutment portion higher in position than the first abutment portion. The recording head is mounted on the carriage, arranged to face a sheet conveyed by the conveyance unit, and ejects a liquid onto the conveyed sheet to record an image. The frame has a first sliding portion in abutment with the first abutment portion and has a second sliding portion in abutment with the second abutment portion. The guide member supports the carriage and is fixed to the frame at a position separated from the first sliding portion.Type: GrantFiled: October 10, 2022Date of Patent: January 28, 2025Assignee: Canon Kabushiki KaishaInventors: Taiji Maruyama, Atsushi Kohnotoh, Yasuyuki Takanaka, Norio Sakurai, Takashi Abe, Kousuke Tanaka, Yusuke Naratani, Shuhei Yamaguchi
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Patent number: 12140692Abstract: An antenna device includes a transmitting antenna including a transmission channel, a transmitting antenna including a transmission channel, a transmitting antenna including a transmission channel, a transmitting antenna including a transmission channel, and a receiving antenna including reception channels. An interval between the transmitting antenna and the transmitting antenna is wider than an overall width of the receiving antenna. An interval between the transmitting antenna and the transmitting antenna is narrower than an interval between adjacent channels among the reception channels.Type: GrantFiled: January 31, 2019Date of Patent: November 12, 2024Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Takashi Maruyama, Mitsuru Kirita, Shigeo Udagawa
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Publication number: 20240074563Abstract: According to the present disclosure, makeup is put on based on the characteristics of the face of the person who is having the makeup put on. A control part and an application part are provided, where the control part includes: an area determining part configured to determine an area to apply a cosmetic product, based on a selected application pattern and at least two application characteristic points on a face; and a command part configured to command an application device to apply the cosmetic product to the area, and where the application part applies the cosmetic product to the area as commanded by the control part.Type: ApplicationFiled: September 30, 2020Publication date: March 7, 2024Inventors: Mieko NASU, Daisuke KAMIWANO, Maro TOKUSHIGE, Takahiro SUZUKI, Takashi MARUYAMA
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Publication number: 20230361446Abstract: A waveguide-microstrip line converter includes a waveguide having an open end, a dielectric substrate having a first surface facing the open end and a second surface facing the opposite direction to the first surface, a ground conductor provided on the first surface and connected to the open end, the ground conductor being provided with a slot in a region enclosed by the end face of the open end, and a line conductor provided on the second surface. The line conductor includes a conversion section that performs power conversion between the line conductor and the waveguide, a microstrip line-provided at a distance from the conversion section in a first direction, and an impedance transformer provided between the conversion section and the microstrip line, for performing impedance matching between the conversion section and the microstrip line. A hole is formed in the conversion section.Type: ApplicationFiled: October 1, 2020Publication date: November 9, 2023Applicant: Mitsubishi Electric CorporationInventors: Takashi MARUYAMA, Shigeo UDAGAWA, Mitsuru KIRITA
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Publication number: 20230361463Abstract: A method for calibrating a phased array antenna is provided. The phased array antenna includes multiple transmission modules each including a phase shifter that changes a phase of a high frequency signal output from a signal source, an amplifier that amplifies an amplitude of the high frequency signal, and a transmission antenna that converts the high frequency signal into a radio wave, and a reception module including a reception antenna. The method includes a step of receiving, by the reception antenna, a reflected wave that is a radio wave transmitted from the transmission antenna of each of the multiple transmission modules and reflected outside the phased array antenna, and a step of adjusting the phase shifter and the amplifier of each of the multiple transmission modules based on an amplitude and a phase of the reflected wave received.Type: ApplicationFiled: September 30, 2020Publication date: November 9, 2023Applicant: Mitsubishi Electric CorporationInventors: Takashi MARUYAMA, Shigeo UDAGAWA, Mitsuru KIRITA, Tai TANAKA, Ryotaro OHASHI
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Patent number: 11746874Abstract: A bending meshing type gear device includes a wave generator, an external gear that is bent and deformed by the wave generator, an internal gear that meshes with the external gear, and a wave generator bearing disposed between the wave generator and the external gear, in which an inner ring rolling surface on which a rolling element of the wave generator bearing rolls includes a hardened layer, and the hardened layer has a characteristic that a surface hardness after operating for a predetermined time is increased compared to a surface hardness before operation.Type: GrantFiled: July 30, 2021Date of Patent: September 5, 2023Assignee: SUMITOMO HEAVY INDUSTRIES, LTD.Inventors: Masayuki Ishizuka, Hideo Fukumura, Takashi Maruyama
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Publication number: 20230228792Abstract: A substrate (101) is etched by etching processing with crystal anisotropy, thereby forming a recess (104) from the main surface of the substrate (101) to the inside of the substrate (101). A side surface (105) is almost a (111) plane, and the etching hardly progresses. As a result, a cross section of the recess (104) perpendicular to the longitudinal direction has a rectangular shape. Since an opening (103) of a mask pattern (102) has a rectangular shape in a planar view, the opening of the recess (104) has a rectangular shape in a planar view, and the recess (104) is formed into, for example, a rectangular parallelepiped shape. The recess (104) includes a side surface (105) that forms one plane perpendicular to the main surface of the substrate (101). The side surface (105) is a facet surface and is a tilting surface tilted from the (111) plane.Type: ApplicationFiled: May 14, 2020Publication date: July 20, 2023Inventors: Akira KODAIRA, Takashi MARUYAMA, Satoshi OKU
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Patent number: 11632023Abstract: A laminated iron core includes a plurality of blanked iron core pieces laminated together, a continuity of side parts of the iron core pieces configuring a side surface of the laminated iron core. The side part of each iron core piece includes a specific light reflection area having a prescribed width along a circumferential direction, where the specific light reflection area has different light reflection characteristics from the other area of the side part of the iron core piece, and a striped pattern, configured by the specific light reflection areas, exists on the side surface of the laminated iron core.Type: GrantFiled: January 21, 2020Date of Patent: April 18, 2023Assignee: MITSUI HIGH-TEC, INC.Inventors: Hirokazu Arakawa, Takashi Maruyama, Kenichi Takasaki
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Patent number: 11605903Abstract: Waveguide slot array antennas each having slots, that transmit or receive electromagnetic waves and that are formed in a front surface of a waveguide and waveguide slot array antennas each having slots that transmit or receive electromagnetic waves and that are formed in a front surface of a waveguide, and the waveguide slot array antennas and the waveguide slot array antennas are alternately arranged, the waveguide is a ridge waveguide having a ridge formed inside the waveguide, and the waveguide is a ridge waveguide having ridges, formed inside the waveguide.Type: GrantFiled: August 10, 2016Date of Patent: March 14, 2023Assignee: Mitsubishi Electric CorporationInventors: Hikaru Watanabe, Takashi Maruyama, Masataka Otsuka, Yu Ushijima, Kazunari Kihira
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Publication number: 20230035534Abstract: A waveguide microstrip line converter includes: a waveguide; a dielectric substrate; a ground conductor provided with a slot; a line conductor; and a conductor located at a distance from the line conductor and adjacent to the line conductor. The line conductor includes a microstrip line, a conversion unit, a first impedance transforming unit, a second impedance transforming unit, and a third impedance transforming unit, the microstrip line having a first line width, the conversion unit being located immediately above the slot and having a second line width larger than the first line width, the first impedance transforming unit, the second impedance transforming unit, and the third impedance transforming unit extending in a first direction from the conversion unit and having a role in impedance matching between the microstrip line and the conversion unit. The conductor is adjacent to at least part of the conversion unit of the line conductor.Type: ApplicationFiled: March 6, 2020Publication date: February 2, 2023Applicant: Mitsubishi Electric CorporationInventors: Takashi MARUYAMA, Shigeo UDAGAWA, Mitsuru KIRITA
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Publication number: 20230023899Abstract: A policy learning apparatus of the present invention includes: a first unit configured to select a first action element based on a selection rate for each of choices of the first element whose number of choices does not depend on a state; a second unit configured to apply the selected first action element and further apply each of choices of a second action element whose number of choices depends on the state to obtain another state for each of the choices, and determine the other state based on a reward obtained by shifting to the other state and a value of the other state; and a third unit configured to further learn a model by using learning data generated based on information used when determining the other state.Type: ApplicationFiled: January 17, 2020Publication date: January 26, 2023Applicant: NEC CorporationInventors: Yutaka YAKUWA, Takashi Maruyama
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Patent number: 11561770Abstract: A system configuration derivation device 90 includes a storage unit 91 that stores a concretization rule in which a method is specified for concretizing abstract configuration information by confirming an unconfirmed portion of the abstract configuration information, which is information indicating configuration of a system in which the unconfirmed portion is included, and a generation unit 92 that concretizes the abstract configuration information included in configuration requirements of the system using the concretization rule stored to generate system configuration information, which is information indicating the configuration of the system in which the unconfirmed portion is not included, on the basis of the configuration requirements.Type: GrantFiled: April 8, 2019Date of Patent: January 24, 2023Assignee: NEC CORPORATIONInventors: Takayuki Kuroda, Takuya Kuwahara, Takashi Maruyama
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Patent number: 11555917Abstract: A radar device includes a transmission antenna and a reception antenna that is a structure different from the transmission antenna. The transmission antenna includes a single or a plurality of transmission element antennae and a transmission dielectric substrate where the single or the plurality of transmission element antennae is positioned, and a length in a first direction of the transmission antenna is longer than a length in a second direction of the transmission antenna, and the second direction is orthogonal to the first direction. The reception antenna includes a single or a plurality of reception element antennae and a reception dielectric substrate where the single or the plurality of reception element antennae is positioned, a length in a third direction of the reception antenna is longer than a length in a fourth direction of the reception antenna, and the fourth direction is orthogonal to the third direction.Type: GrantFiled: December 26, 2016Date of Patent: January 17, 2023Assignee: Mitsubishi Electric CorporationInventors: Takashi Maruyama, Masanori Ito, Michiaki Kasahara, Shigeo Udagawa
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Patent number: 11524327Abstract: A device for manufacturing a laminated iron core includes: a punch unit configured to form protrusions, and including N number of punches as a set, the N being a natural number larger than M; and N number of auxiliary punches. The N number of auxiliary punches are configured such that L number of auxiliary punches selected from the N number of auxiliary punches performs a nullification processing on a metal sheet, the nullification processing being configured to nullify a processing with the L number of punches among the N number of punches, the L being the natural number that is obtained by subtracting the M from the N. According to the above configurations, for example, since a processing position with the plurality of punches is limited in one position, a positional accuracy of protrusions formed in punched members with the plurality of punches is improved.Type: GrantFiled: August 19, 2020Date of Patent: December 13, 2022Assignee: MITSUI HIGH-TEC, INC.Inventor: Takashi Maruyama
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Patent number: 11469511Abstract: A waveguide microstrip line converter includes a waveguide, a dielectric substrate, a ground conductor including a slot, and a line conductor. The line conductor includes a first section that is a microstrip line having a first line width, a conversion unit that is a second section positioned immediately above the slot and having a second line width greater than the first line width, and a third section extending from the second section in a first direction and performing impedance matching between the first section and the second section. One of the opposite ends of the third section in the first direction is connected to the second section. The first section extends in a second direction perpendicular to the first direction continuously from the other end of the opposite ends of the third section.Type: GrantFiled: January 10, 2018Date of Patent: October 11, 2022Assignee: Mitsubishi Electric CorporationInventors: Takashi Maruyama, Shigeo Udagawa
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Patent number: 11469651Abstract: A device and a method for manufacturing a laminated iron core are provided for including: a first supply unit of supplying a first adhesive to a first part of a predetermined region, the predetermined region corresponding to a punched member of a strip-shaped metal sheet intermittently fed in one predetermined direction; a second supply unit arranged at a downstream side in a conveyance direction of the metal sheet with respect to the first supply unit, and of supplying a second adhesive to a second part different from the first part of the predetermined region; and a punching unit of punching the predetermined region of the metal sheet to which the first supply unit and the second supply unit supply the first adhesive and the second adhesive, so as to form the punched member having the first adhesive and the second adhesive applied on the first part and the second part.Type: GrantFiled: September 1, 2020Date of Patent: October 11, 2022Assignee: MITSUI HIGH-TEC, INC.Inventor: Takashi Maruyama
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Publication number: 20220318339Abstract: A graph information calculation apparatus according to the present disclosure includes: a memory storing instructions; and at least one processor configured to execute the instructions to: receive a graph as an input, calculate a neighborhood structure of a vertex constituting the graph, and calculate a first set having a vertex constituting the calculated neighborhood structure as an element; calculate a path having a vertex constituting the graph as an end point, and calculate a second set having a vertex constituting the calculated path as an element; and convert the first set and the second set into a vector.Type: ApplicationFiled: March 30, 2022Publication date: October 6, 2022Applicant: NEC CorporationInventor: Takashi MARUYAMA
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Publication number: 20220292162Abstract: To provide an information processing device capable of surely calculating, from at least one of the known value of a conditional probability and a mutual relation of conditional probabilities, the range of values that designated conditional probabilities can take. The information processing device (500) includes a converting unit (510) and a calculating unit (520). The converting unit (510) converts conditional probabilities, which are the calculation target of the range of values that can be taken, into real number variables. The calculating unit (520) calculates, using, as constraint conditions, the real number first-order formula group obtained by converting a first set of first-order formulas and a second set of first-order formulas, the range of values that the converted real number variables can take.Type: ApplicationFiled: August 9, 2019Publication date: September 15, 2022Applicant: NEC CorporationInventors: Shota MOTOURA, Takashi MARUYAMA