Patents by Inventor Takashi Matsuda

Takashi Matsuda 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: 11069615
    Abstract: An inductor includes: a substrate; a first wiring line located on the substrate; a second wiring line located above the first wiring line and spaced from the first wiring line through an air gap, at least a part of the second wiring line overlapping with at least a part of the first wiring line in plan view; a first supporting post connecting ends of the first and second wiring lines such that a direct current conducts between the first and second wiring lines through the first supporting post; and a second supporting post provided such that the second supporting post overlaps with the second wiring line in plan view, and overlaps with the first wiring line in plan view or is surrounded by the first wiring line in plan view, the second supporting post being insulated from the first wiring line, the second supporting post supporting the second wiring line.
    Type: Grant
    Filed: October 17, 2019
    Date of Patent: July 20, 2021
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: Takeshi Sakashita, Takashi Matsuda
  • Publication number: 20210218296
    Abstract: A stator includes a main yoke having a cylindrical shape with a bottom, an auxiliary yoke having a band shape arranged on an outer or inner circumferential wall surface of this main yoke, and a field magnet arranged inside the main yoke. The auxiliary yoke is arranged along a circumferential direction on the outer or inner circumferential wall surface of the main yoke. One end of the auxiliary yoke has at least one protrusion, and another end of the auxiliary yoke has at least one recess facing and engaging in a circumferential direction with the protrusion either on the inner or outer circumferential wall surface of the main yoke.
    Type: Application
    Filed: March 26, 2021
    Publication date: July 15, 2021
    Inventors: Tsuyoshi MATSUDA, Kazuhiro MIURA, Yuuya ASAI, Takashi NAGAYA, Takumi OKANO, Isoshi SOGA, Kazuya NAGASAKA
  • Publication number: 20210215853
    Abstract: Provided is an antireflective member that has a water- and oil-repellent layer on a multi-layered antireflective layer and is capable of exhibiting excellent surface lubricity, water- and oil-repellent properties, and durability. The surface of the multi-layered antireflective layer on a base material has a root-mean-square surface roughness of 0.8 nm to 2.0 nm. The water- and oil-repellent layer has a thickness of 1 to 30 nm and is a cured product of water- and oil-repellents having as principal components a fluorooxyalkylene group-containing polymer modified organosilicon compound with the numerical average molecular weight of 4,500 to 10,000 of a fluoropolymer part and/or partial hydrolysis condensate thereof.
    Type: Application
    Filed: March 8, 2018
    Publication date: July 15, 2021
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Yuji YAMANE, Lisa KATAYAMA, Ryusuke SAKOH, Takashi MATSUDA
  • Patent number: 11053410
    Abstract: A fluorochemical coating composition is provided comprising (A) a hydrolyzable group-containing silane modified with a fluorooxyalkylene-containing polymer and (B) a fluorooxyalkylene-containing polymer having an average molecular weight not higher than the average molecular weight of component (A) in a weight ratio (A)/(B) of 40/60 to 95/5. The composition forms on a substrate a water/oil repellent layer which does not detract from the visibility of the substrate.
    Type: Grant
    Filed: March 18, 2015
    Date of Patent: July 6, 2021
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Yuji Yamane, Shinichi Sato, Noriyuki Koike, Takashi Matsuda, Ryusuke Sakoh
  • Publication number: 20210189174
    Abstract: This fluorine-containing coating agent composition contains: (A) an organic silicon compound containing a hydrolyzable group or a hydroxy group modified by a fluorooxyalkylene group-containing polymer residue, and/or a partial (hydrolyzed) condensate thereof; and (B) an organic silicon compound containing a polyether group and a hydrolyzable group or a hydroxy group modified by a fluorooxyalkylene group-containing polymer residue, and/or a partial (hydrolyzed) condensate thereof, wherein the mixture mass ratio of component (A) and component (B) is 15:85-85:15. When the composition is applied as a surface treatment agent, the surface treatment agent containing the fluorine-containing coating agent composition can form a cured coating film which has excellent water repellency and oil repellency, and which has both excellent steel wool abrasion resistance and eraser rubber abrasion resistance.
    Type: Application
    Filed: April 19, 2018
    Publication date: June 24, 2021
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Lisa KATAYAMA, Takashi MATSUDA, Yuji YAMANE, Ryusuke SAKOH
  • Publication number: 20210171799
    Abstract: This surface treatment agent using a compound represented by formula (1) or (2) can, even without having a hydrolyzable group, form a water repellent and oil repellent layer having excellent abrasion resistance under mild conditions such as at room temperature. [Rf represents a monovalent or divalent fluorooxyalkylene group-containing polymer residue, Y1 and Y2 each represent a single bond or a divalent hydrocarbon group, Q represents a group that has a Si-containing structure having a valence of 2-4, Si, or C, X represents an epoxy-containing group, k represents 0-2, m represents 1-5, n represents 1-3, Z represents H, —SiR3 (R represents an alkyl group or a phenyl group), or -W1-Q?-W2-X? (X? represents X or —SiR3, W1 and W2 each represent a single bond or a divalent hydrocarbon group, Q? represents a divalent group having a Si-containing structure), and a represents 1 or 2].
    Type: Application
    Filed: April 19, 2018
    Publication date: June 10, 2021
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Lisa KATAYAMA, Takashi MATSUDA, Yuji YAMANE
  • Patent number: 11001670
    Abstract: A surface treatment agent which comprises a fluoropolyether-group-containing polymer represented by the following formula (1) or (2) Rf1—[N(V)?(E)?]???(1) Rf1-[Q-(G)?-(E?)?-B]???(2) and/or a product of partial (hydrolytic) condensation of the polymer. The surface treatment agent forms a cured coating film excellent in terms of water and oil repellency and resistance to abrasion with erasers. (In formulae (1) and (2), Rf1 is a mono- or divalent polymer residue containing a fluorooxyalkylene group; N is C, Si, N, or a tri- to octavalent group optionally substituted by F; V is a monovalent group containing a hydroxy group or hydrolyzable group at the terminal; E is a monovalent group containing an oxyalkylene group; ? is 1 or 2; ? and ? are each 1-6, and ?+? is 2-7; Q is a single bond or a divalent group; G is a divalent group containing a hydroxy group or hydrolyzable group; E? is a divalent group containing an oxyalkylene group; B is H, an alkyl group, or a halogeno; ? is 0-10; and ? is 1-10.
    Type: Grant
    Filed: May 10, 2017
    Date of Patent: May 11, 2021
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Ryusuke Sakoh, Takashi Matsuda, Yuji Yamane
  • Publication number: 20210130545
    Abstract: Provided is a water-repellent member in which a silica layer having a specific thickness and mainly composed of silica nanoparticles is provided on the outer surfaces of various substrates, and then a water- and oil-repellent layer having a specific thickness and containing a cured product of a fluorine-containing organosilicon compound as a main component is provided on the outer surface of the silica layer. The water-repellent member is obtained by a method comprising: a step for wet coating a dispersion containing silica nanoparticles and a solvent onto the outer surface of a substrate; a step for drying and removing the solvent from the dispersion; a step for wet coating a solution containing a fluorine-containing organosilicon compound and a solvent onto the outer surface of a silica layer formed by drying and removing the solvent; and a step for drying and removing the solvent from the solution to cure the fluorine-containing organosilicon compound.
    Type: Application
    Filed: June 12, 2018
    Publication date: May 6, 2021
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Yuji YAMANE, Lisa KATAYAMA, Ryusuke SAKOH, Takashi MATSUDA
  • Publication number: 20210103208
    Abstract: An optical multiplexer includes: incident surface on which a plurality of incident light beams having different wavelengths are incident; first reflection portion that reflects the plurality of incident light beams; and emission surface that emits a plurality of reflected light beams reflected by the first reflection surface. The incident surface is provided with a plurality of adjacent condenser lenses corresponding to respective incident light beams. The first reflection surface has a plurality of adjacent reflection surfaces that reflect the light beams condensed by the condenser lenses. The plurality of reflection surfaces are respectively disposed so that angle ? formed by the respective reflected light beams reflected by the adjacent reflection surfaces is smaller than angle ? formed by the respective incident light beams condensed by the adjacent condenser lenses.
    Type: Application
    Filed: September 10, 2020
    Publication date: April 8, 2021
    Inventors: KAZUMASA TAKATA, TAKASHI MATSUDA, ATSUSHI FUKUI
  • Patent number: 10962190
    Abstract: A lighting device includes a light emitting element; a first lens that captures and emits light generated by the light emitting element; and a second lens that captures light emitted from the first lens and emits the light in a predetermined direction. The first lens includes a first-lens-entrance through which the light generated by the light emitting element enters, a first lens exit that emits the light entered from the first-lens-entrance and transmitted through an inside of the first lens, and a plurality of first-lens-side-portion-wall-surfaces that are provided between the first-lens-entrance and the first lens exit. The plurality of first-lens-side-portion-wall-surfaces include a reflection-side-surface-portion that reflects the light entered the inside of the first lens from the first-lens-entrance, and a side surface portion that is configured to allow light having a luminous intensity smaller than a luminous intensity of light entering the reflection-side-surface-portion to enter.
    Type: Grant
    Filed: April 4, 2017
    Date of Patent: March 30, 2021
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Takashi Matsuda, Masahiro Kasano
  • Patent number: 10938371
    Abstract: An acoustic wave resonator includes: an IDT located on a piezoelectric substrate, including comb-shaped electrodes facing each other and including electrode fingers and a bus bar connecting the electrode fingers; a first silicon oxide film located on the electrode fingers in an overlap region where the electrode fingers overlap and having a film thickness in a part of edge regions, which correspond to both ends of the overlap region, equal to or less than that in a center region sandwiched between the edge regions; and a second silicon oxide film located on the electrode fingers, containing an element slowing an acoustic velocity in a silicon oxide film when being added to the silicon oxide film, having a concentration of the element greater than that in the first silicon oxide film, and having a film thickness in a part of the edge regions greater than that in the center region.
    Type: Grant
    Filed: April 20, 2018
    Date of Patent: March 2, 2021
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: Kentaro Nakamura, Fumiya Matsukura, Satoshi Imasu, Takashi Matsuda
  • Publication number: 20210018672
    Abstract: Light receiver includes first optical element emitting received light to a light receiving fiber side; and second optical element collecting the light incident from the first optical element on a light receiving fiber. First optical element includes prism surface inclined with respect to light incident surface. The prism surface includes first surface 4a reflecting the incident light parallel to the light incident surface and second surface reflecting the light on a side opposite to the second optical element. The first surface includes first region in which the light reflected in parallel to the light incident surface is incident on the second optical element, and second region in which the light reflected in parallel to the light incident surface transmits through the adjacent second surface, is incident and refracts on the adjacent first surface, and is incident on the second optical element while being totally reflected inside the first optical element.
    Type: Application
    Filed: June 26, 2020
    Publication date: January 21, 2021
    Inventor: TAKASHI MATSUDA
  • Patent number: 10892644
    Abstract: To provide a power supply system to a two-dimensional communication sheet that can prevent generation of leakage power without lowering a power efficiency, there are included a two-dimensional communication sheet 1 that has an dielectric layer 11, a first conductor layer 12 covering a rear surface of the dielectric layer 11, and a second conductor layer 13 covering a front surface of the dielectric layer 11 and composed of a mesh-shaped wiring pattern; and a power supply port 16 for supplying power to the two-dimensional communication sheet 1, the power supply port 16 having a first power supply plate 163 provided separately at a rear side of the first conductor layer 12, a second power supply plate 164 provided at a position opposite to the first power supply plate 163 separately at a front side of the second conductor layer 13, a first power supply body 161 electrically connected with the first power supply plate 163, and a second power supply body 162 electrically connected with the second power supply pla
    Type: Grant
    Filed: August 6, 2017
    Date of Patent: January 12, 2021
    Assignee: NATIONAL INSTITUTE OF INFORMATION AND COMMUNICATIONS TECHNOLOGY
    Inventors: Bing Zhang, Takashi Matsuda, Toshinori Kagawa, Ryu Miura
  • Publication number: 20200335533
    Abstract: The first photoelectric conversion unit and the second photoelectric conversion unit each include a first semiconductor region of a first conductivity type disposed at a first depth, a second semiconductor region of a second conductivity type disposed at a second depth, a third semiconductor region of the first conductivity type disposed at a third depth, and a fourth semiconductor region of the second conductivity type disposed at a fourth depth. An impurity concentration of the second semiconductor region of the first photoelectric conversion unit and an impurity concentration of the second semiconductor region of the second photoelectric conversion unit are different at the second depth.
    Type: Application
    Filed: April 13, 2020
    Publication date: October 22, 2020
    Inventor: Takashi Matsuda
  • Publication number: 20200335998
    Abstract: A power storage device includes: a cell; and a controller that: causes the cell to discharge from a full charge capacity to a set capacity that is set in advance, and executes a full charge capacity correction mode including a remaining capacity calculation operation and capacity consumption calculation operation. In the remaining capacity calculation operation, the controller: acquires a first voltage of the cell at the set capacity in response to the cell discharging from the full charge capacity to the set capacity, and calculates an actual remaining capacity of the cell based on the first voltage and one of a plurality of correlations between a voltage of the cell and a cell capacity.
    Type: Application
    Filed: July 6, 2020
    Publication date: October 22, 2020
    Applicant: KANEKA CORPORATION
    Inventors: Masaru Kawabe, Takashi Matsuda, Yukinari Sato
  • Patent number: 10812039
    Abstract: An acoustic wave resonator includes: a piezoelectric substrate that is a lithium tantalate substrate or a lithium niobate substrate and has a thickness of 20 ?m or less; a support substrate that has an upper surface bonded with a lower surface of the piezoelectric substrate And is a glass substrate mainly composed of silicon oxide; a plurality of electrode fingers that are located on an upper surface of the piezoelectric substrate, excite an acoustic wave, and include a metal film mainly composed of at least one of Cr, Mo, and W.
    Type: Grant
    Filed: June 7, 2018
    Date of Patent: October 20, 2020
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: Masafumi Iwaki, Takashi Matsuda
  • Publication number: 20200317864
    Abstract: A surface treatment agent which comprises a fluoropolyether-group-containing polymer represented by the following formula (1) or (2) Rf1—[N(V)?(E)?]???(1) Rf1-[Q-(G)?-(E?)?-B]???(2) and/or a product of partial (hydrolytic) condensation of the polymer. The surface treatment agent forms a cured coating film excellent in terms of water and oil repellency and resistance to abrasion with erasers. (In formulae (1) and (2), Re is a mono- or divalent polymer residue containing a fluorooxyalkylene group; N is C, Si, N, or a tri- to octavalent group optionally substituted by F; V is a monovalent group containing a hydroxy group or hydrolyzable group at the terminal; E is a monovalent group containing an oxyalkylene group; a is 1 or 2; ? and ? are each 1-6, and ?+? is 2-7; Q is a single bond or a divalent group; G is a divalent group containing a hydroxy group or hydrolyzable group; E? is a divalent group containing an oxyalkylene group; B is H, an alkyl group, or a halogeno; ? is 0-10; and ? is 1-10.
    Type: Application
    Filed: May 10, 2017
    Publication date: October 8, 2020
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Ryusuke SAKOH, Takashi MATSUDA, Yuji YAMANE
  • Publication number: 20200283458
    Abstract: By using this organosilane compound represented by formula (1), a surface treatment agent that contains said (hydrolyzable) organosilane compound and/or a partial (hydrolysis) condensate thereof can form a cured film which exhibits excellent lipophilic properties and has a refractive index similar to the refractive index of sebum. (A is any one of —C(?O)OR1, —C(?O)NR12, —C(?O)SR1 and —P(?O)(OR1)2; R1 is a hydrogen atom, an alkyl group, an aryl group or an aralkyl group; Y is a divalent organic group; R is an alkyl group or a phenyl group; Xis a hydroxyl group or a hydrolyzable group; and n is 1-3.
    Type: Application
    Filed: September 26, 2018
    Publication date: September 10, 2020
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Ryusuke SAKOH, Seiya MORI, Takashi MATSUDA, Yuji YAMANE
  • Publication number: 20200281340
    Abstract: A cosmetic kit provides cosmetics which are customized (personalized) for each user and a cosmetic provision device which uses the kit to supply customized cosmetics. The cosmetic kit includes a plurality of cosmetic bases, and is used for customized cosmetics which are prepared by mixing the plurality of cosmetic bases in accordance with recipe information determined on the basis of user unique information. The cosmetic kit provides that when a container containing at least two cosmetic bases selected from the plurality of cosmetic bases is rotated at a prescribed speed, and a near-infrared measurement of the bases in the container is performed at prescribed time intervals, the time (T) required to obtain an nth measurement, in which the rate of change between the absorbance in the nth measurement and the absorbance in the previous ((n?1)th) measurement is 100%±5%, and the rate of change with respect to the absorbance in the following ((n+1)th) measurement is 100%±5%, is not more than 35 minutes.
    Type: Application
    Filed: November 22, 2018
    Publication date: September 10, 2020
    Applicant: SHISEIDO COMPANY, LTD.
    Inventors: Takashi MATSUDA, Kinya HOSOKAWA, Chieko NOMIZU, Akane YANAGIHARA, Yuuichi NUKADA
  • Patent number: 10763813
    Abstract: An acoustic wave device fabrication method includes: forming on a piezoelectric substrate a comb-shaped electrode and a wiring layer coupled to the comb-shaped electrode; forming on the piezoelectric substrate a first dielectric film having a film thickness greater than those of the comb-shaped electrode and the wiring layer, covering the comb-shaped electrode and the wiring layer, and being made of silicon oxide doped with an element or undoped silicon oxide; forming on the first dielectric film a second dielectric film having an aperture above the wiring layer; removing the first dielectric film exposed by the aperture of the second dielectric film by wet etching using an etching liquid causing an etching rate of the second dielectric film to be less than that of the first dielectric film so that the first dielectric film is left so as to cover an end face of the wiring layer and the comb-shaped electrode.
    Type: Grant
    Filed: June 6, 2017
    Date of Patent: September 1, 2020
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: Kentaro Nakamura, Fumiya Matsukura, Naoki Takahashi, Takashi Matsuda, Tsutomu Miyashita