Patents by Inventor Takahiro Watanabe

Takahiro Watanabe 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: 20240154561
    Abstract: An inverter control device is for a vehicle including: a rotating electric machine that is an in-wheel motor integrated inside a drive wheel and includes a rotor including a magnet portion with a plurality of magnetic poles and a stator including multiphase stator windings without teeth protruding radially toward the rotor; and an inverter electrically connected to the rotating electric machine. The inverter control device includes: a control unit configured to perform PWM control to generate a drive signal for a switching element in the inverter based on a carrier signal and a command voltage in each phase in the overall operating region for an operating point defined by the rotation speed and the torque of the rotating electric machine; and an operation unit configured to operate the switching element based on the generated drive signal.
    Type: Application
    Filed: January 3, 2024
    Publication date: May 9, 2024
    Applicant: DENSO CORPORATION
    Inventors: Harumi HORIHATA, Yasuaki AOKI, Takahiro WATANABE
  • Publication number: 20240153663
    Abstract: A radionuclide production system is a system for producing a radionuclide by irradiating a liquid containing a raw material nuclide with bremsstrahlung radiation, the radionuclide production system including: a circulation path configured to allow a liquid containing a raw material nuclide to circulate; and a radiation generation unit configured to generate bremsstrahlung radiation to irradiate the liquid. A metal member containing a pure metal of a platinum group or an alloy of the platinum group is provided at an upper portion in the circulation path. In a radionuclide production method, the raw material nuclide contained in the liquid is transformed to the radionuclide by irradiating the liquid with the bremsstrahlung radiation while circulating the liquid containing the raw material nuclide in the circulation path, and oxygen and hydrogen generated due to radiolysis of the liquid are removed by a recombination reaction with a metal member formed of the pure metal.
    Type: Application
    Filed: March 17, 2022
    Publication date: May 9, 2024
    Inventors: Takahiro TADOKORO, Yuichiro UENO, Yuuko KANI, Kento NISHIDA, Takahiro WATANABE, Takahiro SASAKI, Masaharu ITO
  • Publication number: 20240152025
    Abstract: In a nonlinear optical element, wavelength conversion efficiency is degraded by the heat generation caused when high-intensity converted waves are generated. Therefore, the present invention provides a wavelength conversion optical element that includes a periodically poled waveguide. In the wavelength conversion optical element, the periodically poled waveguide includes: a core that performs wavelength conversion on a fundamental wave that has entered the entrance end, and emits a converted wave from the exit end; and a cladding that covers the periphery of the core, and the structure of the element gradually changes so as to achieve quasi phase matching from the entrance end toward the exit end in the periodically poled waveguide.
    Type: Application
    Filed: April 12, 2021
    Publication date: May 9, 2024
    Inventors: Takahiro Kashiwazaki, Takushi Kazama, Takeshi Umeki, Osamu Tadanaga, Koji Embutsu, Nobutatsu Koshobu, Asuka Inoue, Kei Watanabe
  • Publication number: 20240151443
    Abstract: A refrigeration cycle apparatus includes a refrigerant circuit in which a compressor, a heat source side heat exchanger, an expansion valve, and a user side heat exchanger are connected by a refrigerant pipe. Further, the refrigeration cycle apparatus includes a detector configured to detect a discharge temperature of the compressor, and a heat transfer pipe temperature and an outlet pipe temperature of the heat exchanger functioning as a condenser; and a controller capable of performing a supercooling degree control and a discharge temperature control or a discharge superheating degree control, based on a result of the detection by the detector. The controller is configured to control an opening degree of the expansion valve based on any of the supercooling degree control and the discharge temperature control or the discharge superheating degree control, according to operating characteristics of the refrigeration cycle apparatus.
    Type: Application
    Filed: September 3, 2021
    Publication date: May 9, 2024
    Inventors: Takahiro NARUI, Mizuo SAKAI, Tetsuya YAMASHITA, Kazuya WATANABE, Satoshi AKITOMO
  • Publication number: 20240152023
    Abstract: Provided is a wavelength conversion module that can be downsized by reducing the width of the housing and can reduce the mounting space. The wavelength conversion module including a wavelength conversion element includes: a lens barrel that is provided on a side surface of a metal housing and accommodates a lens for optically coupling the wavelength conversion element to an optical fiber; and a ferrule collar that is provided on the lens barrel and fixes a metal ferrule accommodating the optical fiber, and an input port and an output port are different from each other in any of the length in the optical axis direction of a plurality of the lens barrels, the length of a plurality of the metal ferrules, or a sum length of the lens barrels and the metal ferrules.
    Type: Application
    Filed: April 12, 2021
    Publication date: May 9, 2024
    Inventors: Koji Embutsu, Takeshi Umeki, Kei Watanabe, Osamu Tadanaga, Takushi Kazama, Nobutatsu Koshobu, Takahiro Kashiwazaki, Asuka Inoue
  • Publication number: 20240140132
    Abstract: An envelope processing apparatus for enclosing an enclosure in an envelope includes an envelope conveyance path, an enclosure supplier, an envelope supplier, a flap opener, and an envelope stacker. The envelope conveyance path extends in a substantially vertical direction to convey the envelope. The enclosure supplier supplies the enclosure to the envelope via the envelope conveyance path. The envelope supplier supplies the envelope to the envelope conveyance path, The flap opener opens a flap portion of the envelope between the envelope supplier and the envelope conveyance path. The envelope stacker stacks the envelope ejected from the envelope conveyance path.
    Type: Application
    Filed: May 6, 2022
    Publication date: May 2, 2024
    Applicant: Ricoh Company, Ltd.
    Inventors: Nobuyoshi SUZUKI, Michitaka SUZUKI, Yuusuke SHIBASAKI, Makoto HIDAKA, Akira KUNIEDA, Takahiro WATANABE, Takuya MORINAGA, Takahiro MATSUDA, Shingo YOSHIZAWA, Shinji ASAMI, Kazuyoshi MATSUO
  • Publication number: 20240147080
    Abstract: In an image processing apparatus, an image signal of a plurality of polarized lights is input, for each set of image signals corresponding to the polarized lights, a maximum value of polarization intensities of polarization components of the image signals and a polarization angle at which the maximum value of the polarization intensities is obtained are found, and a target area to which polarization reduction is to be applied is found based on the image signal and a statistical area is set in the target area. Representative intensity and angle which are modes of the polarization intensities and angles of the sets included in the statistical area are found, and first correction processing for correcting each image signal of the sets included in the target area is performed using the representative intensity and angle according to the polarization angle of the each image signal.
    Type: Application
    Filed: January 10, 2024
    Publication date: May 2, 2024
    Inventors: Takuya NABESHIMA, Takenori KOBUSE, Takahiro KAMIKURA, Shigeharu AOKI, Kento WATANABE, Daisuke HIGUCHI
  • Patent number: 11971345
    Abstract: A smoke detector includes: a casing; a first light emitting unit; a second light emitting unit; and a light receiving unit. A second scattering angle that is an angle between the reception axis of the light receiving unit and a second extension extending from an intersection of the second emission axis and the reception axis in a direction away from the second light emitting unit is larger than a first scattering angle that is an angle between the reception axis of the light receiving unit and a first extension extending from an intersection of the first emission axis and the reception axis in a direction away from the first light emitting unit.
    Type: Grant
    Filed: March 10, 2020
    Date of Patent: April 30, 2024
    Assignee: NOHMI BOSAI LTD.
    Inventors: Masamichi Uchida, Takahiro Noguchi, Taizo Matsuda, Tomohiro Kato, Kenji Mizutani, Takahiro Kaneko, Takahiro Watanabe
  • Patent number: 11970019
    Abstract: An envelope processing apparatus that inserts an enclosure into an envelope includes an envelope conveyor, a flap opener, an enclosure pusher, and circuitry. The envelope conveyor extends in a vertical direction and conveys the envelope to an enclosing position via an envelope conveyance passage as a passage in which the envelope is conveyed. The flap opener opens a flap of the envelope. The enclosure pusher pushes the enclosure toward an opening of a body of the envelope conveyed to the enclosing position with the flap open. The circuitry changes a pushing amount of the enclosure into the envelope and adjusts the pushing amount based on the opening of the body of the envelope within a specified range from an inside to an outside of the body of the envelope.
    Type: Grant
    Filed: April 11, 2023
    Date of Patent: April 30, 2024
    Assignee: Ricoh Company, Ltd.
    Inventors: Nobuyoshi Suzuki, Michitaka Suzuki, Yuusuke Shibasaki, Takahiro Matsuda, Atsushi Shinoda, Shingo Yoshizawa, Takahiro Watanabe, Takuya Morinaga
  • Publication number: 20240134710
    Abstract: A process allocation control device achieves efficient control of satisfactorily utilizing an accelerator included in an information processing device by including: a reception unit that receives a request to execute a process, which can be executed by a plurality of processors having different configurations and has different characteristics of performance exhibited through execution by the different processors; a detection unit that detects the states of the plurality of processors; and an allocation unit that allocates execution of the process to at least one of the plurality of processors on the basis of the states of the plurality of processors and the characteristics of the process.
    Type: Application
    Filed: November 8, 2021
    Publication date: April 25, 2024
    Applicant: NEC Corporation
    Inventors: Yumiko Urasawa, Takahiro Kawazu, Yoshikazu Watanabe
  • Publication number: 20240123654
    Abstract: Provided is a separation and recovery apparatus for continuously separating and recovering, from a resin mixture containing a resin containing a hydrolyzable polymer and a resin containing a nonhydrolyzable polymer, a hydrolytic component a of the hydrolyzable polymer A and the nonhydrolyzable polymer B, the apparatus including: a crushing unit that crushes the resin mixture a melting/discharging unit that melts a crushed product obtained by the crushing unit to form a fluid and discharges the fluid at a high pressure; and a hydrothermal reaction treatment unit that continuously subjects the fluid discharged from the melting/discharging unit to a hydrothermal reaction treatment, wherein, in the melting/discharging unit, the hydrolyzable polymer A is hydrolyzed, and the hydrolytic component a thereof is dissolved and transferred into water permeating a sintered alloy diaphragm, thereby separating the nonhydrolyzable polymer B.
    Type: Application
    Filed: December 15, 2023
    Publication date: April 18, 2024
    Applicant: TOPPAN INC.
    Inventors: Masaru WATANABE, Aritomo YAMAGUCHI, Osamu SATO, Yuuma IRISA, Akira TAKAMA, Kousuke NISHIMURA, Hiroki KUJIRAOKA, Hideki MIYAZAKI, Keita AKIMOTO, Takuya TAKAHATA, Daisuke KUGIMOTO, Shingo KOUDA, Satoshi HAMURA, Takahiro IMAI, Yumiko OMORI, Manabu KAWA
  • Publication number: 20240123429
    Abstract: An object of the present invention is to provide a CeO2—ZrO2-based complex oxide having a sufficiently reduced particle size and a method for producing the CeO2—ZrO2-based complex oxide, and there are provided a complex oxide containing a zirconium element, a cerium element, and optionally another rare earth metal element, wherein D50 and D90 of the complex oxide measured by a laser diffraction scattering particle size distribution measurement method are 0.5 ?m or less and 1 ?m or less, respectively, and a method for producing the complex oxide.
    Type: Application
    Filed: December 15, 2021
    Publication date: April 18, 2024
    Inventors: Takahiro SATO, Satoshi WATANABE
  • Publication number: 20240128006
    Abstract: A laminated coil component includes: an element body having a first surface and a second surface facing each other in a first direction; a coil unit formed by laminating a plurality of coil conductors in a second direction orthogonal to the first direction inside the element body; a first lead-out conductor; and a second lead-out conductor. A first coil conductor adjacent to the first lead-out conductor in the second direction includes a first side portion extending along the first surface, on a first surface side. A second coil conductor adjacent to the second lead-out conductor in the second direction includes a second side portion extending along the second surface, on a second surface side. The first side portion has a larger line width than other side portions of the first coil conductor and the second side portion.
    Type: Application
    Filed: October 11, 2023
    Publication date: April 18, 2024
    Applicant: TDK CORPORATION
    Inventors: Yuya OSHIMA, Hiroshi ONO, Ryosuke HORIE, Daiki YAMADA, Yuki AKASAKA, Shuichi WATANABE, Satoshi TAKASU, Makoto YOSHINO, Takahiro YATA
  • Patent number: 11947723
    Abstract: Provided is a decoding device including a decoding unit configured to decode a plurality of pieces of encoded data on the basis of encoding method information that has been received, received bitstream data including the plurality of pieces of encoded data in which a plurality of segments of a tactile signal has been respectively encoded, in which the encoding method information includes information indicating in which encoding method of a plurality of encoding methods the respective segments of the tactile signal have been encoded, the plurality of encoding methods includes a simple tactile encoding method corresponding to a simple tactile signal related to a beginning segment of the tactile signal, the plurality of pieces of encoded data includes simple tactile encoded data in which the simple tactile signal has been encoded in the simple tactile encoding method, and the decoding unit decodes the simple tactile encoded data, in a case where the encoding method information indicates the simple tactile encodi
    Type: Grant
    Filed: January 24, 2020
    Date of Patent: April 2, 2024
    Assignee: Sony Group Corporation
    Inventors: Hirofumi Takeda, Shuichiro Nishigori, Takuma Domae, Toshiyuki Nakagawa, Shiro Suzuki, Takahiro Watanabe
  • Publication number: 20240094234
    Abstract: The present invention controls liquid shaking during transportation while maintaining high-precision with respect to the stopping position of a specimen at the time of device start-up.
    Type: Application
    Filed: November 10, 2021
    Publication date: March 21, 2024
    Inventors: Hiroyuki KOBAYASHI, Satoru KANEKO, Takahiro SUZUKI, Yasuaki AOYAMA, Ryosuke HOSHI, Hiroshi WATANABE, Shinji AZUMA
  • Publication number: 20240084434
    Abstract: A vapor deposition mask made of a semiconductor substrate, comprising a plurality of openings to pass vapor deposition particles, wherein an aperture portion of which opening width is smallest is disposed between an edge of the opening on a vapor deposition source side and an edge of the opening on a substrate side, the opening width on the substrate side is larger than that of the aperture portion, and at least a part of an inner wall of each of the plurality of openings has a uneven shape.
    Type: Application
    Filed: November 21, 2023
    Publication date: March 14, 2024
    Inventors: TATSURO UCHIDA, TAKAHIRO YAJIMA, SHINICHIRO WATANABE
  • Publication number: 20240075767
    Abstract: An envelope processing apparatus conveys an envelope to an enclosing position and encloses an enclosure on which specific information is formed at a formation position. The enclosing device includes: an envelope conveyor to convey the enclosure to the enclosing position to insert the enclosure into the envelope; a sensor to acquire, as an image, a structure of the envelope during conveyance, and acquire transparent-portion information indicating a position of a transparent portion in the envelope; an envelope holder to hold the envelope in a state in which the enclosure is insertable; and control circuitry to output position adjustment information for adjusting a position of the envelope in a width direction of the envelope at the enclosing position or a position of the specific information in a conveyance direction of the envelope, based on relative positions between the formation position of the specific information and the position of the transparent portion.
    Type: Application
    Filed: September 5, 2023
    Publication date: March 7, 2024
    Applicant: Ricoh Company, Ltd.
    Inventors: Shingo YOSHIZAWA, Michitaka SUZUKI, Nobuyoshi SUZUKI, Yuusuke SHIBASAKI, Takahiro MATSUDA, Atsushi SHINODA, Takahiro WATANABE, Takuya MORINAGA
  • Publication number: 20240077393
    Abstract: A physical property estimation device for a resin composition, which estimates a physical property of a resin composition that is manufactured by using a base polymer, a flame retardant, a flame retardant auxiliary, and other materials. The physical property estimation device is provided with a regression model building processing unit that learns by machine learning a relationship between explanatory variable data and physical property data including physical property data as an estimation target, and builds a regression model that shows a correlation between the explanatory variable data and the physical property data, and a physical property estimation processing unit that estimates the physical property of an estimation target by using the regression model.
    Type: Application
    Filed: August 29, 2023
    Publication date: March 7, 2024
    Inventors: Daisuke SHANAI, Tomonori WATANABE, Takahiro SUZUKI
  • Patent number: D1019723
    Type: Grant
    Filed: May 20, 2021
    Date of Patent: March 26, 2024
    Assignee: SUMITOMO ELECTRIC HARDMETAL CORP.
    Inventors: Takahiro Watanabe, Shinichi Maruyama, Norihisa Fujita, Hitoshi Tohkairin
  • Patent number: D1020690
    Type: Grant
    Filed: August 31, 2021
    Date of Patent: April 2, 2024
    Assignee: KYOCERA CORPORATION
    Inventors: Takahiro Watanabe, Junichi Yokoyama