Patents by Inventor Satoshi Matsumoto

Satoshi Matsumoto 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: 11970585
    Abstract: The present invention addresses the problem of reducing the undried residue when recycling a fine powder of water-absorbing resin. The present invention is a method for producing a water-absorbing resin, wherein: a fine powder recycling step includes vi-1) a granulation step for obtaining a granulated gel, vi-2) a granulated gel addition step, and vi-3) a gel mixing step; the solids content of the granulated gel in the granulated gel addition step is 50-90% by mass; and the temperature of the granulated gel and the temperature of the water-containing gel-like crosslinked polymer is 50-100° C.
    Type: Grant
    Filed: May 16, 2019
    Date of Patent: April 30, 2024
    Assignee: NIPPON SHOKUBAI CO., LTD.
    Inventors: Satoshi Matsumoto, Kenji Kadonaga, Kunihiko Ishizaki
  • Patent number: 11965582
    Abstract: A worm reducer has: a housing having a wheel housing portion and a worm housing portion; a worm wheel; a worm, a support bearing having an inner ring externally fitted to the tip end portion of the worm and an outer ring; an elastic biasing means elastically biasing the outer ring toward the worm wheel side; and an elastic holding means elastically holding the outer ring from both sides in a direction orthogonal to a biasing direction by the elastic biasing means and to a center axis of the worm housing portion.
    Type: Grant
    Filed: January 15, 2020
    Date of Patent: April 23, 2024
    Assignee: NSK LTD.
    Inventors: Ryou Oosawa, Satoshi Ishikuri, Haruhiko Kiyota, Souta Matsumoto, Toru Ishii, Hiroyuki Sugawara
  • Patent number: 11955559
    Abstract: Provided are a thin film transistor, a display device, and a thin film transistor manufacturing method, in which variation in characteristics is small. The present invention is provided with: a gate electrode formed on a substrate; a gate insulation film formed so as to cover the gate electrode; a semiconductor layer which is formed on the upper side of the gate insulation film and which includes a polysilicon layer disposed, in a plan view, inside a region defined by the gate electrode; an etching stopper layer disposed on the upper side of the polysilicon layer; and a source electrode and a drain electrode provided on the semiconductor layer so as to be separated from each other, wherein the polysilicon layer has first and second regions which are not covered with the etching stopper layer, and a part of the source electrode exists above the first region and a part of the drain electrode exists above the second region.
    Type: Grant
    Filed: August 27, 2021
    Date of Patent: April 9, 2024
    Assignee: SAKAI DISPLAY PRODUCTS CORPORATION
    Inventors: Yoshiaki Matsushima, Shigeru Ishida, Ryohei Takakura, Satoru Utsugi, Nobutake Nodera, Takao Matsumoto, Satoshi Michinaka
  • Patent number: 11949102
    Abstract: A positive electrode active material precursor for a nonaqueous electrolyte secondary battery is provided that includes a nickel-cobalt-manganese carbonate composite represented by general formula NixCoyMnzMtCO3 (where x+y+z+t=1, 0.05?x?0.3, 0.1?y?0.4, 0.55?z?0.8, 0?t?0.1, and M denotes at least one additional element selected from a group consisting of Mg, Ca, Al, Ti, V, Cr, Zr, Nb, Mo, and W) and a hydrogen-containing functional group. The ratio H/Me of the amount of hydrogen H to the amount of metal components Me included in the positive electrode active material precursor is less than 1.60. The positive electrode active material further includes a secondary particle formed by a plurality of primary particles that have been aggregated.
    Type: Grant
    Filed: November 17, 2021
    Date of Patent: April 2, 2024
    Assignee: SUMITOMO METAL MINING CO., LTD.
    Inventors: Satoshi Matsumoto, Kazuomi Ryoshi, Kikoo Uekusa
  • Patent number: 11936826
    Abstract: An image inspector includes a recording device and circuitry. The reading device is configured to read an image on a recording medium. The circuitry is configured to determine whether the recording medium has a wrinkle and an edge folding based on a plurality of positions on the image on the recording medium read by the reading device satisfying a predetermined relation. The circuitry is configured to determine whether the recording medium has the wrinkle based on the predetermined relation, and then determine whether the recording medium has the edge folding based on the predetermined relation.
    Type: Grant
    Filed: February 23, 2022
    Date of Patent: March 19, 2024
    Assignee: RICOH COMPANY, LTD.
    Inventors: Satoshi Nakayama, Tohru Matsumoto, Kohta Aoyagi, Ryosuke Ebinuma, Ryoh Ishitsuka, Kimiharu Yamazaki, Tatsuya Ishii
  • Patent number: 11925633
    Abstract: Provided is a drug superior for preventing and/or treating dementia. It contains a carbostyril derivative of the following formula (1) (wherein R is a cycloalkyl group, A is a lower alkyl group, and a single bond or a double bond is present between the 3-position and the 4-position of the carbostyril nucleus) and dihydroquercetin.
    Type: Grant
    Filed: December 18, 2020
    Date of Patent: March 12, 2024
    Assignee: NATIONAL CEREBRAL AND CARDIOVASCULAR CENTER
    Inventors: Tadamasa Matsumoto, Masafumi Ihara, Satoshi Saito, Masanori Fukushima
  • Patent number: 11922902
    Abstract: An image processor of a display device includes: an image sticking object detector which classifies a class of an input image data and outputs inference data including image sticking object information based on the classified class; a memory which stores previous inference data; a post-processor which calculates accumulative inference data, based on the inference data and the previous inference data received from the memory and generates corrected inference data, based on the accumulative inference data; and an image sticking prevention part which outputs an image data subjected to an image sticking prevention process, based on the corrected inference data.
    Type: Grant
    Filed: August 18, 2021
    Date of Patent: March 5, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Satoshi Uchino, Kazuhiro Matsumoto, Masahiko Takiguchi, Yasuhiko Shinkaji
  • Publication number: 20240021387
    Abstract: An electromagnetic relay including a housing, a cover, an adhesive which is interposed between a side part of the housing and an inner surface of the cover and which secures the housing and the cover, and a projection which is formed in at least one of the side part and the inner surface. The adhesive is filled in a gap between the side part and the inner surface.
    Type: Application
    Filed: September 25, 2023
    Publication date: January 18, 2024
    Inventors: Koyuru Kobayashi, Kazuaki Miyanaga, Katsuyuki Takahashi, Masahide Mochizuki, Shigeki Nakayama, Natsumi Sakai, Hiroaki Kohinata, Daishi Kitajima, Satoshi Matsumoto
  • Patent number: 11798765
    Abstract: An electromagnetic relay including a housing, a cover, an adhesive which is interposed between a side part of the housing and an inner surface of the cover and which secures the housing and the cover, and a projection which is formed in at least one of the side part and the inner surface. The adhesive is filled in a gap between the side part and the inner surface.
    Type: Grant
    Filed: July 22, 2019
    Date of Patent: October 24, 2023
    Assignee: FUJITSU COMPONENT LIMITED
    Inventors: Koyuru Kobayashi, Kazuaki Miyanaga, Katsuyuki Takahashi, Masahide Mochizuki, Shigeki Nakayama, Natsumi Sakai, Hiroaki Kohinata, Daishi Kitajima, Satoshi Matsumoto
  • Publication number: 20230323241
    Abstract: The present invention aims to provide a viscosity-index improving agent having an excellent friction reduction effect to reduce friction of a lubricating oil composition when the viscosity-index improving agent is added thereto. The present also aims to provide a lubricating oil composition containing the viscosity-index improving agent. The present invention relates to, for example, a viscosity-index improving agent containing: (co)polymer (A) containing, as an essential constituent monomer, a polyolefin-based monomer (a) represented by the following formula (1); an ester oil (B1) having a kinematic viscosity at 100° C. of 1.00 to 2.50 mm2/s; and an ester oil (B2) having a kinematic viscosity at 100° C. of 2.51 to 5.
    Type: Application
    Filed: September 14, 2021
    Publication date: October 12, 2023
    Applicant: SANYO CHEMICAL INDUSTRIES, LTD.
    Inventors: Nobuhiro NAITO, Satoshi MATSUMOTO, Masahiro HASHIMOTO, Kenyuu YOSHIDA, Hiroki YAMASHITA, Ryota SATO
  • Publication number: 20230312797
    Abstract: The present invention aims to provide a viscosity-index improving agent capable of providing a lubricating oil composition having an appropriate gelation index, an excellent HTHS viscosity at 100° C., and an excellent kinematic viscosity at 40° C. when the viscosity-index improving agent is added thereto. The present also aims to provide a lubricating oil composition containing the viscosity-index improving agent.
    Type: Application
    Filed: September 14, 2021
    Publication date: October 5, 2023
    Applicant: SANYO CHEMICAL INDUSTRIES, LTD.
    Inventors: Nobuhiro NAITO, Satoshi MATSUMOTO, Masahiro HASHIMOTO, Kenyuu YOSHIDA, Hiroki YAMASHITA, Ryota SATO
  • Patent number: 11703843
    Abstract: A control apparatus for controlling an industrial machine includes a deterioration diagnostic unit that has a diagnostic function, which is repeatedly executed at predetermined timing, for diagnosing deterioration of each component of the industrial machine and outputs an alarm signal in response to deterioration equal to or more than a predetermined level in each component, an alarm control unit that outputs a stop command to the industrial machine based on the alarm signal and informs that the industrial machine is in an alarm stop state, and a cancellation operation receiving unit that receives the cancellation operation for cancelling the alarm stop state regardless of deterioration of each component. The deterioration diagnostic unit cancels the alarm stop state brought on by the diagnostic function based on the cancellation operation, and allows the industrial machine to operate until the diagnostic function is executed next.
    Type: Grant
    Filed: December 1, 2020
    Date of Patent: July 18, 2023
    Assignee: FANUC CORPORATION
    Inventors: Satoshi Matsumoto, Yoshikiyo Tanabe
  • Publication number: 20230182231
    Abstract: A thermal radiation light detection device includes: a housing including a plurality of wall portions; a light entrance unit attached to a wall portion and configured to cause thermal radiation light to enter the housing; a light extraction unit disposed inside housing and configured to extract light of a first wavelength and light of a second wavelength from the thermal radiation light, the second wavelength being different from the first wavelength; a first light detection unit attached to a wall portion and configured to detect the light of the first wavelength; a second light detection unit attached to a wall portion and configured to detect the light of the second wavelength; and a first temperature detection unit attached to a wall portion, the wall portion to which the first temperature detection unit is attached being different from the wall portion to which the first light detection unit is attached.
    Type: Application
    Filed: April 7, 2021
    Publication date: June 15, 2023
    Applicant: HAMAMATSU PHOTONICS K.K.
    Inventors: Katsuhisa ITOH, Masaki WATANABE, Satoshi MATSUMOTO, Takenori OHMIYA
  • Publication number: 20230106971
    Abstract: A fiber-reinforced composite molded article which is obtained by molding reinforcing fibers and an epoxy resin, while containing a silicone oil as an internal mold release agent, and which is characterized in that the fragment ion intensity ratio A/B as detected in case where the molded article surface is analyzed by time-of-flight secondary ion mass spectrometry is expressed by the relationship of 3?A/B?20. A: The intensity of a fragment ion that has the highest intensity among the fragment ions derived from the silicone oil. B: The intensity of a fragment ion that has the highest intensity among the fragment ions derived from the epoxy resin.
    Type: Application
    Filed: February 5, 2021
    Publication date: April 6, 2023
    Applicant: Toray Industries, Inc.
    Inventors: Chiasa Kitani, Satoshi Matsumoto, Naoya Ouchiyama, Shigeru Kawashima, Atsuki Tsuchiya
  • Publication number: 20230067964
    Abstract: Provided are a fiber-reinforced composite molded article prepared by heat-curing, as a molding material of a fiber-reinforced resin material, a resin composition to which an internal mold release agent is added, the fiber-reinforced composite molded article being capable of effectively producing mold releasability even with a small amount of the mold release agent added, and being capable of achieving high productivity, and a method of forming the fiber-reinforced composite molded article. A fiber-reinforced composite molded article prepared by curing reinforcing fibers and a resin composition, the resin composition including an internal mold release agent, wherein the value obtained by normalizing a Poisson-corrected ion intensity derived from the internal mold release agent detected on the surface of the fiber-reinforced composite molded article, by the Poisson-corrected gross positive secondary ion intensity detected in the predetermined area is higher than 0.1, and a molding method therefor.
    Type: Application
    Filed: February 21, 2020
    Publication date: March 2, 2023
    Applicant: Toray Industries, Inc.
    Inventors: Chiasa Kitani, Satoshi Matsumoto, Shigeru Kawashima, Atsuki Tsuchiya
  • Publication number: 20220387971
    Abstract: [Problem] In an embodiment involving addition of a chelating agent in an upstream process of the process for production, such as the polymerization step, the residual ratio of the chelating agent in the final product, a particulate water-absorbing agent, is improved. [Solution] A particulate water-absorbing agent having a poly(meth)acrylic acid (salt)-based water-absorbing resin as a main component, containing a chelating agent having a nitrogen atom and an inorganic reducing agent having a sulfur atom, wherein the particulate water-absorbing agent has a chelating agent ratio of 0.8 to 1.
    Type: Application
    Filed: November 12, 2020
    Publication date: December 8, 2022
    Inventors: Satoshi MATSUMOTO, Kanako TSURU, Taishi KOBAYASHI, Daisuke TAKAGI, Kazushi TORII
  • Patent number: 11482703
    Abstract: A positive-electrode active material precursor for a nonaqueous electrolyte secondary battery is provided that includes a nickel-cobalt-manganese carbonate composite represented by general formula NixCoyMnzMtCO3 (where x+y+z+t=1, 0.05?x?0.3, 0.1?y?0.4, 0.55?z?0.8, 0?t?0.1, and M denotes at least one additional element selected from a group consisting of Mg, Ca, Al, Ti, V, Cr, Zr, Nb, Mo, and W) and a hydrogen-containing functional group, wherein H/Me representing the ratio of the amount of hydrogen to the amount of metal components Me included in the positive-electrode active material precursor is greater than or equal to 1.60.
    Type: Grant
    Filed: August 18, 2020
    Date of Patent: October 25, 2022
    Assignee: SUMITOMO METAL MINING CO., LTD.
    Inventors: Kikoo Uekusa, Satoshi Matsumoto, Masao Wakabayashi
  • Patent number: 11283364
    Abstract: A power supply according to the present disclosure includes: a step-down circuit which has at least one pair of positive/negative step-down switching elements; at least one pair of positive/negative inductors to which voltage is applied via the step-down switching element, and one pair of positive/negative output capacitors which are connected in series and charged by electrical current passing through the inductor, and steps down input voltage and then outputs; an inverse-conversion circuit which has a plurality of inverse-conversion switching elements, and inverse-converts output voltage of the step-down circuit into alternating current; and a control circuit which controls switching of the plurality of step-down switching elements so that the output voltage of the step-down circuit becomes a desired voltage.
    Type: Grant
    Filed: February 12, 2020
    Date of Patent: March 22, 2022
    Assignee: FANUC CORPORATION
    Inventors: Yoshikiyo Tanabe, Satoshi Matsumoto
  • Publication number: 20220077465
    Abstract: A positive electrode active material precursor for a nonaqueous electrolyte secondary battery is provided that includes a nickel-cobalt-manganese carbonate composite represented by general formula NixCoyMnzMtCO3 (where x+y+z+t=1, 0.05?x?0.3, 0.1?y?0.4, 0.55?z?0.8, 0?t?0.1, and M denotes at least one additional element selected from a group consisting of Mg, Ca, Al, Ti, V, Cr, Zr, Nb, Mo, and W) and a hydrogen-containing functional group. The ratio H/Me of the amount of hydrogen H to the amount of metal components Me included in the positive electrode active material precursor is less than 1.60. The positive electrode active material further includes a secondary particle formed by a plurality of primary particles that have been aggregated.
    Type: Application
    Filed: November 17, 2021
    Publication date: March 10, 2022
    Inventors: Satoshi MATSUMOTO, Kazuomi RYOSHI, Kikoo UEKUSA
  • Patent number: 11251428
    Abstract: A method for manufacturing a positive electrode active material includes: (a) preparing a fired powder of a lithium nickel composite oxide by mixing a nickel compound selected from a nickel hydroxide including nickel, and an element selected from other transition metal elements, elements of the second group and elements of the thirteenth group of the Periodic System, a nickel oxyhydroxide thereof, and a nickel oxide obtained by roasting thereof, and a lithium compound, and firing the mixture at a maximum temperature of 650° C. to 850° C. under oxygen atmosphere; and (b) preparing a lithium nickel composite oxide powder by mixing the fired powder with water to obtain a slurry, washing the fired powder with water at a temperature of 10° C. to 40° C., while controlling an electrical conductivity of a liquid portion of the slurry to 30 mS/cm to 60 mS/cm, then filtering and drying the resultant fired powder.
    Type: Grant
    Filed: February 7, 2020
    Date of Patent: February 15, 2022
    Assignees: SUMITOMO METAL MINING CO., LTD., PANASONIC CORPORATION
    Inventors: Tomoko Iwanaga, Hideo Sasaoka, Satoshi Matsumoto, Yutaka Kawatate, Shinji Arimoto