Patents by Inventor Takayuki Watanabe

Takayuki 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).

  • Patent number: 11885640
    Abstract: A map generation device according to one embodiment includes a reception unit that receives probe data transmitted from at least one vehicle and indicating a feature detected in vehicle surroundings by an environment monitoring sensor incorporated in the vehicle, and the device creates or updates map data based on the probe data received by the reception unit. The map generation device includes: a characteristic determination unit that determines whether the probe data includes sufficient characteristic information usable for alignment with other probe data or map data; and a combining unit that joins a target probe data set including an insufficient amount of characteristic information to the probe data previous or subsequent to the target probe data set in consecutive probe data sets acquired from the same travel of the same vehicle.
    Type: Grant
    Filed: February 26, 2021
    Date of Patent: January 30, 2024
    Assignee: DENSO CORPORATION
    Inventor: Takayuki Watanabe
  • Publication number: 20240030835
    Abstract: A vibration actuator according to the present invention includes: a vibrator including a piezoelectric material, an electrode disposed on a first surface of the piezoelectric material, and an elastic body disposed on a side of a second surface, opposite to the first surface, of the piezoelectric material; and a contact body that is in contact with the elastic body and is movable relative to the vibrator. The vibrator vibrates when a voltage is applied between the contact body and the electrode with the contact body at a ground potential.
    Type: Application
    Filed: October 4, 2023
    Publication date: January 25, 2024
    Inventors: TAKAYUKI WATANABE, AKIRA UEBAYASHI
  • Patent number: 11831254
    Abstract: The present invention provides a vibrator made of a non-lead-based piezoelectric material and capable of being driven at a sufficient speed with low power consumption, and provides a vibration wave drive device and an electronical device each using the vibrator. To that end, the vibrator according to the present invention includes a piezoelectric element including a piezoelectric material and electrodes, and an elastic body, wherein a Pb component contained in the piezoelectric material is less than 1000 ppm, and a resonance frequency fA in a vibration mode A and a resonance frequency fB in a vibration mode B satisfy a relation of an absolute value of (fB?fA)>2 (kHz), the vibration mode A and the vibration mode B generating vibration waves in the elastic body with wave fronts of the vibration waves intersecting each other.
    Type: Grant
    Filed: December 21, 2017
    Date of Patent: November 28, 2023
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tatsuo Furuta, Takayuki Watanabe, Miki Ueda, Shinya Koyama, Makoto Kubota, Takanori Matsuda, Akira Uebayashi, Jumpei Hayashi, Hitoshi Nishitani
  • Publication number: 20230378890
    Abstract: A vibration-type actuator includes a vibration body including an electric-mechanical energy conversion element with a lead content of 1000 ppm or less, and an elastic body having a plate portion and protrusions protruding in a direction intersecting with a main surface of the plate portion, and a contact body in contact with the protrusions. The vibration body and the contact body are relatively moved by vibration of the vibration body. The vibration-type actuator further comprises a pressure member pressing the vibration body against the contact body and a foamed member arranged between the pressure member and the vibration body. The foamed member contains, as a main skeleton, a siloxane bond including silicon and oxygen, and an average equivalent circle diameter of bubbles contained in the foamed member is greater than 120 ?m.
    Type: Application
    Filed: May 18, 2023
    Publication date: November 23, 2023
    Inventors: AKIRA UEBAYASHI, TAKAYUKI WATANABE, YUKI ODA
  • Patent number: 11821750
    Abstract: A map generation system provides to: acquire an image of the vehicle's environment from the imaging device; analyze the image to calculate the position of a feature on the road; upload map information including the position of the feature to a server; and statistically determines the coordinates of individual features in the uploaded map information. The features include a reference mark whose absolute coordinates are determined. The coordinates of the features other than the reference mark are corrected so as to match the observation coordinates of the reference mark corresponding to the absolute coordinates of the reference mark.
    Type: Grant
    Filed: February 25, 2021
    Date of Patent: November 21, 2023
    Assignee: DENSO CORPORATION
    Inventors: Genki Kitahara, Yusuke Matsumoto, Shigehiro Muto, Takayuki Watanabe
  • Publication number: 20230357879
    Abstract: A highly corrosion-resistant austenite stainless steel that, even when exposed to temperatures in a range in which a ? phase is precipitated and corrosion resistance varies greatly, the stainless steel remains corrosion resistant, the steel consisting of, in mass %: C: 0.005 to 0.030%, Si: 0.05 to 0.30%, Mn: 0.05 to 0.40%, P: 0.005 to 0.050%, S: 0.0001 to 0.0010%, Ni: 22.0 to 32.0%, Cr: 19.0 to 28.0%, Mo: 5.0 to 7.0%, N: 0.18 to 0.25%, Al: 0.005 to 0.100%, Cu: 0.05 to 0.50%, W: not more than 0.05%, Sn: 0.0005 to 0.0150%, Co: 0.030 to 0.300%, B: 0.0005 to 0.0050%, Fe as a remainder and inevitable impurities, in which the stainless steel satisfies the following formula (1), an area ratio of ? phase is not more than 1%, and CPT based on ASTM G48 Method C as corrosion resistance property is not less than 60° C. 0.05?10[% B]+2[% P]+6[% Sn]+0.03[% Si]?0.
    Type: Application
    Filed: July 27, 2021
    Publication date: November 9, 2023
    Applicant: Nippon Yakin Kogyo Co., Ltd.
    Inventors: Takayuki WATANABE, Shigeru HIRATA
  • Patent number: 11805384
    Abstract: An audio signal processing method includes obtaining an audio signal of a sound source, performing first filter processing on the audio signal to generate an imaginary sound source of a virtual space, performing second filter processing on the audio signal to adjust a tone of the imaginary sound source, and outputting an initial reflected sound control signal generated by using the audio signal on which the first filter processing and the second filter processing have been performed, in a first case where the first filter processing is performed before the second filter processing, the first filter processing is performed on the audio signal, and the second filter processing is performed on the audio signal on which the first filter processing has been performed, and in a second case where the second filter processing is performed before the first filter processing, the second filter processing is performed on the audio signal, and the first filter processing is performed on the audio signal on which the seco
    Type: Grant
    Filed: March 16, 2022
    Date of Patent: October 31, 2023
    Assignee: YAMAHA CORPORATION
    Inventors: Takayuki Watanabe, Dai Hashimoto, Hiroomi Shidoji
  • Patent number: 11805385
    Abstract: An audio signal processing method includes generating an initial reflected sound control signal according to a geometrical shape of a virtual space, generating a reverberant sound control signal using a reflected sound parameter of the virtual space, calculating timing of connection, the timing of connection being a point in time at which a volume of an initial reflected sound reproducible by the initial reflected sound control signal is a same as a volume of a reverberant sound reproducible by the reverberant sound control signal, based on the geometrical shape of the virtual space, and increasing, in a period of time before the timing of connection, a level of the reverberant sound control signal so as to cause the volume of the reverberant sound to be closer to the volume of the reverberant sound at the timing of connection.
    Type: Grant
    Filed: March 16, 2022
    Date of Patent: October 31, 2023
    Assignee: YAMAHA CORPORATION
    Inventors: Takayuki Watanabe, Dai Hashimoto, Hiroomi Shidoji
  • Patent number: 11765505
    Abstract: A correction method of acoustic characteristics of a plurality of speakers installed in a room, the correction method groups speakers, among the plurality of speakers, having identical attachment condition to the above-mentioned room, measures each of output characteristics of the grouped speakers, calculates an average characteristic of the output characteristics of the grouped speakers, and corrects each of the output characteristics of the grouped speakers based on the average characteristic.
    Type: Grant
    Filed: June 10, 2021
    Date of Patent: September 19, 2023
    Assignee: YAMAHA CORPORATION
    Inventors: Takayuki Watanabe, Akihiro Miwa
  • Patent number: 11749254
    Abstract: The sound signal processing method includes obtaining a sound signal of a sound source, convolving, according to a location of the sound source an impulse response of an early reflection sound with the sound signal to generate an early reflection sound control signal that reproduces an early reflection sound, and convolving an impulse response of a reverberant sound with the sound signal to generate a reverberant sound control signal that reproduces a reverberant sound.
    Type: Grant
    Filed: May 25, 2021
    Date of Patent: September 5, 2023
    Assignee: YAMAHA CORPORATION
    Inventors: Dai Hashimoto, Takayuki Watanabe
  • Publication number: 20230258857
    Abstract: There is provided a light guide plate for image display includes: a first laminate (11) configured to be provided with a first resin base (1), a first anchor coat layer (2), and a first barrier layer (3) in this order; and a hologram layer (4), wherein the first barrier layer (3) is made of silicon oxynitride as a main component and a nitrogen element formulation, which is determined by X-ray photoelectron spectroscopy (XPS), in the first barrier layer (3) is greater than 0 atm % and 25 atm % or less.
    Type: Application
    Filed: March 24, 2023
    Publication date: August 17, 2023
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Shinichiro KANAI, Shuichi KUBO, Takayuki WATANABE, Yoshio WAKAYAMA
  • Publication number: 20230250518
    Abstract: A highly corrosion-resistant Ni—Cr Mo—N alloy including in weight %, Ni: 22.0% or more, Cr: 22.0% or more, Mo: 5.0% or more, N: 0.180% or more, Si, Al, Mn, Fe as a remainder, and inevitable impurities, wherein the composition satisfies the following Formulas (1) to (3), and an area ratio of a sigma phase in a cross-sectional structure measured by EBSD after holding at 950° C. for 30 minutes is 1.0% or less Cr+3.3×Mo+16×N?43.0??(1) 7.3×Mo—Ni?21.0??(2-1) 1.3×?5.7??(2-2) 1.6×Si+0.99×Mn+2.2×Al?0.95??(3).
    Type: Application
    Filed: July 27, 2021
    Publication date: August 10, 2023
    Applicant: Nippon Yakin Kogyo Co., Ltd.
    Inventors: Takayuki WATANABE, Shigeru HIRATA
  • Patent number: 11723280
    Abstract: An electretized film of the present invention includes a cyclic olefin polymer, in which the electretized film is a non-porous film, and a piezoelectric constant d33 in a thickness direction, which is measured by applying a pressing force to the electretized film in the thickness direction, under conditions of a load of 0.5 N, a dynamic load of ±0.25 N, a frequency of 110 Hz, a temperature of 23° C., and a humidity of 50%, is equal to or more than 100 pC/N.
    Type: Grant
    Filed: March 1, 2018
    Date of Patent: August 8, 2023
    Assignees: MITSUI CHEMICALS, INC., THE SCHOOL CORPORATION KANSAI UNIVERSITY
    Inventors: Yoshiro Tajitsu, Yuzo Nakamura, Tomoya Matayoshi, Takayuki Watanabe, Michio Eriguchi
  • Patent number: 11659344
    Abstract: A sound signal processing method includes receiving a sound signal, generating an early reflection sound control signal that reproduces an early reflection sound and a reverberant sound control signal that reproduces a reverberant sound from the sound signal, controlling a volume of the sound signal and distributing the sound signal to generate a direct sound control signal, and mixing the direct sound control signal, the early reflection sound control signal that reproduces a direct sound, and the reverberant sound control signal to generate an output signal.
    Type: Grant
    Filed: May 25, 2021
    Date of Patent: May 23, 2023
    Assignee: YAMAHA CORPORATION
    Inventors: Dai Hashimoto, Takayuki Watanabe
  • Publication number: 20230120980
    Abstract: A composition includes a 4-methyl-1-pentene-based polymer in which at least one or more temperatures showing a local maximum value of a loss tangent (tan ?) are present in a range of 10° C. or higher and 100° C. or lower, and the local maximum value of the loss tangent is 0.5 or more and 3.5 or less, and an organic compound, in which a content of the organic compound is 5 to 250 parts by mass with respect to 100 parts by mass of the 4-methyl-1-pentene-based polymer, and the organic compound has a viscosity (mPa·s) in a range of 65 to 120, or a ratio between a melt flow rate (g/10 min.) of the 4-methyl-1-pentene-based copolymer and a melt flow rate (g/10 min.) of the organic compound is 1:1.0 to 0.1.
    Type: Application
    Filed: March 31, 2021
    Publication date: April 20, 2023
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Satoshi NOMA, Tomoya MATAYOSHI, Takayuki WATANABE, Michio ERIGUCHI, Ryota HORIYA
  • Publication number: 20230097661
    Abstract: A sound signal processing method includes: obtaining a sound signal; obtaining impulse response data that was measured in a predetermined space before the sound signal is obtained; generating an early reflected sound control signal not including a reverberant sound by convolving impulse response data of an early reflected sound among the obtained impulse response data into the obtained sound signal.
    Type: Application
    Filed: December 5, 2022
    Publication date: March 30, 2023
    Inventors: Takayuki WATANABE, Dai HASHIMOTO
  • Patent number: 11615776
    Abstract: A sound signal processing method includes: receiving a line-inputted sound signal; controlling a volume of the line-inputted sound signal; and generating an early reflected sound control signal using the line-inputted sound signal having the controlled volume.
    Type: Grant
    Filed: February 3, 2021
    Date of Patent: March 28, 2023
    Assignee: YAMAHA CORPORATION
    Inventors: Takayuki Watanabe, Dai Hashimoto
  • Publication number: 20230090948
    Abstract: A processing system includes a processing apparatus, a feeding apparatus, an ejection apparatus, and circuitry. The processing apparatus includes a processing device to execute a process on each of objects including a first object and a second object. The feeding apparatus feeds the objects to the processing apparatus. The ejection apparatus ejects the objects sent from the processing apparatus. The ejection apparatus includes an ejection purge portion to receive the second object traveling in the ejection apparatus. The circuitry sets whether to permit ejection of the second object not jammed to the ejection purge portion in case of a jam of the first object in the processing system. The circuitry causes the second object to be ejected to the set ejection purge portion, in response to detection of the jam of the first object.
    Type: Application
    Filed: September 9, 2022
    Publication date: March 23, 2023
    Inventor: Takayuki WATANABE
  • Publication number: 20230018435
    Abstract: A sound signal processing method includes: obtaining a plurality of sound signals respectively collected by a plurality of microphones arranged in a space; adjusting respective levels of the plurality of sound signals in accordance with respective positions of the plurality of microphones; mixing the plurality of sound signals having the adjusted respective levels to thereby obtain a mixed signal; and generating a reflected sound by using the obtained mixed signal.
    Type: Application
    Filed: September 16, 2022
    Publication date: January 19, 2023
    Inventors: Takayuki WATANABE, Dai HASHIMOTO
  • Patent number: 11546717
    Abstract: A sound signal processing method includes: obtaining a sound signal; obtaining impulse response data that was measured in a predetermined space before the sound signal is obtained; generating an early reflected sound control signal not including a reverberant sound by convolving impulse response data of an early reflected sound among the obtained impulse response data into the obtained sound signal.
    Type: Grant
    Filed: February 3, 2021
    Date of Patent: January 3, 2023
    Assignee: YAMAHA CORPORATION
    Inventors: Takayuki Watanabe, Dai Hashimoto