Patents by Inventor Tsutomu Shibata

Tsutomu Shibata 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: 20200406648
    Abstract: A tape cassette that includes a box-shaped cassette case whose outline being defined by a bottom wall, a top wall, and a side wall and including a plurality of corner portions, at least one tape contained within a tape containment area defined within the outline, a pair of cavities extending from the bottom wall and being provided between the tape containment area and the outline at opposite ends of a diagonal line connecting one of the corner portions to another of the corner portions, and a side face indicator portion provided in the side wall, indicating a type of the tape, and including a plurality of indicator portions disposed in a pattern in accordance with the type of the tape, each of the indicator portions being one of a switch hole and a surface portion.
    Type: Application
    Filed: July 8, 2020
    Publication date: December 31, 2020
    Inventors: Koshiro YAMAGUCHI, Tsutomu KATO, Masato KATO, Yasuhiro lRIYAMA, Yasuhiro SHIBATA, Teruo lMAMAKI, Akira SAGO, Tsuyoshi NAGAE, Takashi HORIUCHI, Tomohiko SUGINO, Kengo NODA
  • Patent number: 10781882
    Abstract: A torque fluctuation absorbing apparatus absorbs torque fluctuations occurring in a torque transmission pathway from an input side rotating member to an output side rotating member. The apparatus includes: a vibration absorbing member in which elastic members are coupled in series, and which absorbs torque fluctuations; circular outer contour plates coupled to the input side rotating member, and disposed to be spatially separated from one another in an axial direction of the output side rotating member; a hub member including a boss section coupled to the output side rotating member, and a flange section provided on the boss section and disposed between the outer contour plates; and a circular intermediate plate disposed between the flange section and the outer contour plates, coupled between the elastic members, and transmitting a torque from one elastic member to another elastic member.
    Type: Grant
    Filed: September 14, 2017
    Date of Patent: September 22, 2020
    Assignee: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Tsutomu Sekine, Miki Torii, Moritaka Shibata, Satoshi Nakagaito, Masami Okumaru
  • Patent number: 10744802
    Abstract: A tape cassette that includes a box-shaped cassette case whose outline being defined by a bottom wall, a top wall, and a side wall and including a plurality of corner portions, at least one tape contained within a tape containment area defined within the outline, a pair of cavities extending from the bottom wall and being provided between the tape containment area and the outline at opposite ends of a diagonal line connecting one of the corner portions to another of the corner portions, and a side face indicator portion provided in the side wall, indicating a type of the tape, and including a plurality of indicator portions disposed in a pattern in accordance with the type of the tape, each of the indicator portions being one of a switch hole and a surface portion.
    Type: Grant
    Filed: February 20, 2020
    Date of Patent: August 18, 2020
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Koshiro Yamaguchi, Tsutomu Kato, Masato Kato, Yasuhiro Iriyama, Yasuhiro Shibata, Teruo Imamaki, Akira Sago, Tsuyoshi Nagae, Takashi Horiuchi, Tomohiko Sugino, Kengo Noda
  • Publication number: 20200241186
    Abstract: An optical body including: a first optical layer which has a surface having a convex profile in which a plurality of one-directionally extending elongated convex portions are one-dimensionally aligned in one direction; an inorganic layer disposed on the surface of the first optical layer on a side having the convex profile and a second optical layer disposed on a side of the inorganic layer so that the convex profile is embedded; wherein the convex profile meets at least one of the following (1) to (4): (1) a height varies in an extending direction in each of the elongated convex portions, (2) a ridge portion meanders in a direction perpendicular to both the extending direction and a height direction of the convex portion in each of the elongated convex portions, (3) heights of the elongated convex portions adjacent to each other are different from each other, and (4) a triangular prism-shaped convex portion and an elongated convex portion having a curved surface are adjacent to each other.
    Type: Application
    Filed: October 2, 2018
    Publication date: July 30, 2020
    Inventors: Eiji OHTA, Tsutomu NAGAHAMA, Shigehisa OHKAWARA, Tatsuya HARIMARA, Katsuhiro DOI, Kazuhiko NODA, Akihiro SHIBATA, Kazuo GOTO, Yasuyuki KUDO
  • Publication number: 20200180332
    Abstract: A tape cassette that includes a box-shaped cassette case whose outline being defined by a bottom wall, a top wall, and a side wall and including a plurality of corner portions, at least one tape contained within a tape containment area defined within the outline, a pair of cavities extending from the bottom wall and being provided between the tape containment area and the outline at opposite ends of a diagonal line connecting one of the corner portions to another of the corner portions, and a side face indicator portion provided in the side wall, indicating a type of the tape, and including a plurality of indicator portions disposed in a pattern in accordance with the type of the tape, each of the indicator portions being one of a switch hole and a surface portion.
    Type: Application
    Filed: February 20, 2020
    Publication date: June 11, 2020
    Inventors: Koshiro YAMAGUCHI, Tsutomu KATO, Masato KATO, Yasuhiro lRIYAMA, Yasuhiro SHIBATA, Teruo lMAMAKI, Akira SAGO, Tsuyoshi NAGAE, Takashi HORIUCHI, Tomohiko SUGINO, Kengo NODA
  • Patent number: 10618325
    Abstract: A tape cassette that includes a box-shaped cassette case whose outline being defined by a bottom wall, a top wall, and a side wall and including a plurality of corner portions, at least one tape contained within a tape containment area defined within the outline, a pair of cavities extending from the bottom wall and being provided between the tape containment area and the outline at opposite ends of a diagonal line connecting one of the corner portions to another of the corner portions, and a side face indicator portion provided in the side wall, indicating a type of the tape, and including a plurality of indicator portions disposed in a pattern in accordance with the type of the tape, each of the indicator portions being one of a switch hole and a surface portion.
    Type: Grant
    Filed: October 15, 2018
    Date of Patent: April 14, 2020
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Koshiro Yamaguchi, Tsutomu Kato, Masato Kato, Yasuhiro Iriyama, Yasuhiro Shibata, Teruo Imamaki, Akira Sago, Tsuyoshi Nagae, Takashi Horiuchi, Tomohiko Sugino, Kengo Noda
  • Publication number: 20200076706
    Abstract: A management system displays a list of elements of some element types from among a plurality of element types, and receives a selection of the two or more elements from the list. The management system displays a topology which is configured of the two or more selected elements and an element (related element) related to the two or more selected elements and in which the two or more selected elements and the related element are segmented by element types.
    Type: Application
    Filed: November 5, 2019
    Publication date: March 5, 2020
    Inventors: Shiro TANOUE, Kousuke SHIBATA, Yuusuke ASAI, Tsutomu FUJII
  • Patent number: 10505821
    Abstract: A management system displays a list of elements of some element types from among a plurality of element types, and receives a selection of the two or more elements from the list. The management system displays a topology which is configured of the two or more selected elements and an element (related element) related to the two or more selected elements and in which the two or more selected elements and the related element are segmented by element types.
    Type: Grant
    Filed: August 8, 2017
    Date of Patent: December 10, 2019
    Assignee: Hitachi, Ltd.
    Inventors: Shiro Tanoue, Kousuke Shibata, Yuusuke Asai, Tsutomu Fujii
  • Publication number: 20190326248
    Abstract: A semiconductor device of an embodiment includes a substrate including a semiconductor element, a first electrode on the substrate and electrically connected to the semiconductor element, a second electrode on the substrate and electrically connected to the semiconductor element, and a terminal spaced from the first electrode, the substrate, and the second electrode. A first bonding wire has a first bonding portion bonded to the second electrode at a first end and a second bonding portion bonded to the terminal at a second end. A second bonding wire has a third bonding portion bonded to the second electrode at a first end and a fourth bonding portion bonded to the terminal at a second end. Each of the first and second bonding wires comprise copper and have a diameter less than or equal to 100 ?m.
    Type: Application
    Filed: February 28, 2019
    Publication date: October 24, 2019
    Inventors: Masahiko HORI, Hiroshi SHIBATA, Tsutomu SANO, Kazuya MARUYAMA
  • Patent number: 10312669
    Abstract: An electrode base material of the spark plug contains not less than 50 wt. % of Ni. A discharge member contains not less than 45 wt. % of Pt, and at least one of Ni and Rh. An intermediate member contains Pt and Ni. In the discharge member, a content of Pt is highest, and a total content of Pt, Rh, and Ni is not less than 92 wt. %. In the intermediate member, a content of one of Pt and Ni is not less than 50 wt. %, a content of Ni is higher than a content of Ni in the discharge member, and a total content of Pt, Rh, and Ni is not less than 85 wt. %. A thickness of the diffusion layer formed between the discharge member and the intermediate member is not less than 0.002 mm and not more than 0.065 mm.
    Type: Grant
    Filed: October 17, 2016
    Date of Patent: June 4, 2019
    Assignee: NGK SPARK PLUG CO., LTD.
    Inventors: Daisuke Sumoyama, Tatsuya Gozawa, Tsutomu Shibata
  • Publication number: 20180366918
    Abstract: An electrode base material of the spark plug contains not less than 50 wt. % of Ni. A discharge member contains not less than 45 wt. % of Pt, and at least one of Ni and Rh. An intermediate member contains Pt and Ni. In the discharge member, a content of Pt is highest, and a total content of Pt, Rh, and Ni is not less than 92 wt. %. In the intermediate member, a content of one of Pt and Ni is not less than 50 wt. %, a content of Ni is higher than a content of Ni in the discharge member, and a total content of Pt, Rh, and Ni is not less than 85 wt. %. A thickness of the diffusion layer formed between the discharge member and the intermediate member is not less than 0.002 mm and not more than 0.065 mm.
    Type: Application
    Filed: October 17, 2016
    Publication date: December 20, 2018
    Applicant: NGK SPARK PLUG CO., LTD.
    Inventors: Daisuke SUMOYAMA, Tatsuya GOZAWA, Tsutomu SHIBATA
  • Patent number: 10033163
    Abstract: A spark plug having a tip formed of an alloy containing Pt. The tip contains not less than 6 mass % of Rh, at least one element selected from an R group consisting of Rh, Re, Ir, Ru, W, Mo, and Nb, not less than 5 mass % of Ni, and at least one element selected from an N group consisting of Ni, Co, Fe, and Cu. The tip contains Rh most among the elements of the R group, and contains Ni most among the elements of the N group. The total of contents of Pt, Rh, and Ni is not less than 91 mass %, and the total of contents of Pt, the R group, and the N group is not less than 95 mass %. A value obtained by dividing the content of the R group by the content of the N group is not less than 0.7 and not greater than 8.
    Type: Grant
    Filed: January 9, 2018
    Date of Patent: July 24, 2018
    Assignee: NGK SPARK PLUG CO., LTD.
    Inventors: Daisuke Sumoyama, Tatsuya Gozawa, Tsutomu Shibata
  • Patent number: 9948068
    Abstract: A spark plug that includes a center electrode and a ground electrode. The center electrode is disposed providing a gap with the center electrode. At least one of the center electrode and the ground electrode includes a tip forming the gap. The tip includes a main body portion and a front surface layer. A composition of the main body portion is Pt as a main constituent and Rh of 5 mass % or more and Ni of 0 mass % or more to less than 8 mass %. The front surface layer is disposed at least at a surface radially outside of an axial line extending in a direction from a center of the main body portion to the gap. The front surface layer contains Ni of 8 mass % or more and has a thickness of 2 ?m or more.
    Type: Grant
    Filed: September 10, 2014
    Date of Patent: April 17, 2018
    Assignee: NGK SPARK PLUG CO., LTD.
    Inventors: Daisuke Sumoyama, Tsutomu Shibata
  • Patent number: 9887519
    Abstract: A spark plug having a center electrode and a ground electrode that form a gap therebetween. At least one of the center electrode and the ground electrode includes a portion formed of a nickel alloy containing nickel as a major component and 20% by mass or more of chromium. In the portion, formed of the nickel alloy, of the electrode, the content of silicon is 0.1% by mass or more, the total content of one or more particular elements selected from the group consisting of rare earth elements is 0.01% by mass or more, and the area percentage of voids in the total area of a cross-section parallel to a longitudinal direction is 1% or less.
    Type: Grant
    Filed: June 15, 2017
    Date of Patent: February 6, 2018
    Assignee: NGK SPARK PLUG CO., LTD.
    Inventors: Kazuki Ito, Daisuke Sumoyama, Tsutomu Shibata
  • Publication number: 20180019581
    Abstract: At least one of a center electrode and a ground electrode of a spark plug includes an electrode body, an electrode tip, and a welded portion formed between the electrode body and the electrode tip. The electrode tip includes a cover layer that covers at least a side surface of a tip body, and the cover layer is formed of IrAl. On a section formed by cutting the electrode tip near a boundary with the welded portion, an area of the tip body is represented by Sa. An area of a projection on the section of a non-contact portion of an opposite surface of the tip body not in contact with the welded portion is represented by Sb. In this case, Sa?Sb corresponds to 35% or more of Sa.
    Type: Application
    Filed: July 11, 2017
    Publication date: January 18, 2018
    Inventors: Daisuke SUMOYAMA, Takuto NAKADA, Tsutomu SHIBATA, Takaaki KIKAI
  • Publication number: 20180019580
    Abstract: A spark plug having a center electrode and a ground electrode that form a gap therebetween. At least one of the center electrode and the ground electrode includes a portion formed of a nickel alloy containing nickel as a major component and 20% by mass or more of chromium. In the portion, formed of the nickel alloy, of the electrode, the content of silicon is 0.1% by mass or more, the total content of one or more particular elements selected from the group consisting of rare earth elements is 0.01% by mass or more, and the area percentage of voids in the total area of a cross-section parallel to a longitudinal direction is 1% or less.
    Type: Application
    Filed: June 15, 2017
    Publication date: January 18, 2018
    Applicant: NGK SPARK PLUG CO., LTD.
    Inventors: Kazuki ITO, Daisuke SUMOYAMA, Tsutomu SHIBATA
  • Patent number: 9853423
    Abstract: At least one of a center electrode and a ground electrode of a spark plug includes an electrode body, an electrode tip, and a welded portion formed between the electrode body and the electrode tip. The electrode tip includes a cover layer that covers at least a side surface of a tip body, and the cover layer is formed of IrAl. On a section formed by cutting the electrode tip near a boundary with the welded portion, an area of the tip body is represented by Sa. An area of a projection on the section of a non-contact portion of an opposite surface of the tip body not in contact with the welded portion is represented by Sb. In this case, Sa?Sb corresponds to 35% or more of Sa.
    Type: Grant
    Filed: July 11, 2017
    Date of Patent: December 26, 2017
    Assignee: NGK SPARK PLUG CO., LTD.
    Inventors: Daisuke Sumoyama, Takuto Nakada, Tsutomu Shibata, Takaaki Kikai
  • Patent number: 9768588
    Abstract: A spark plug includes a ceramic insulator having an axial hole formed in an axis direction of the spark plug, a center electrode inserted in a front side of the axial hole, a metal shell disposed around the ceramic insulator and a ground electrode joined to a front end portion of the metal shell, wherein the ground electrode has a cross-sectional area of 2.0 mm2 or smaller in any arbitrary cross section thereof taken in a direction perpendicular to a center line of the ground electrode; the ground electrode is made of a metal material containing 93 mass % or more of nickel; and the ground electrode has a Vickers hardness of 130 to 260 Hv.
    Type: Grant
    Filed: October 6, 2011
    Date of Patent: September 19, 2017
    Assignee: NGK Spark Plug Co., Ltd.
    Inventors: Takaaki Kikai, Tomoo Tanaka, Tsutomu Shibata, Kaori Suzuki, Takehito Kuno
  • Patent number: 9705292
    Abstract: A spark plug comprising a center electrode, a ground electrode disposed on the center electrode across a gap, and a tip joined to an opposed surface of the ground electrode that is opposed to the center electrode, the tip has a discharge layer and a relieving layer, the relieving layer is formed from a Pt—Ni alloy and joined to the opposed surface via a diffusion layer, the discharge layer is formed from a Pt—Rh alloy and joined via a clad diffusion layer to a side of the relieving layer opposite to a side of the relieving layer at which the ground electrode is joined, and 0.81?A/B?1.21 is satisfied when an average cross-sectional area of the discharge layer is A mm2 and an average cross-sectional area of the relieving layer is B mm2, and a method for producing the spark plug.
    Type: Grant
    Filed: August 24, 2016
    Date of Patent: July 11, 2017
    Assignee: NGK SPARK PLUG CO., LTD.
    Inventors: Tatsuya Gozawa, Daisuke Sumoyama, Tsutomu Shibata
  • Publication number: 20170063048
    Abstract: A spark plug comprising a center electrode, a ground electrode disposed on the center electrode across a gap, and a tip joined to an opposed surface of the ground electrode that is opposed to the center electrode, the tip has a discharge layer and a relieving layer, the relieving layer is formed from a Pt—Ni alloy and joined to the opposed surface via a diffusion layer, the discharge layer is formed from a Pt—Rh alloy and joined via a clad diffusion layer to a side of the relieving layer opposite to a side of the relieving layer at which the ground electrode is joined, and 0.81?A/B?1.21 is satisfied when an average cross-sectional area of the discharge layer is A mm2 and an average cross-sectional area of the relieving layer is B mm2, and a method for producing the spark plug.
    Type: Application
    Filed: August 24, 2016
    Publication date: March 2, 2017
    Applicant: NGK SPARK PLUG CO., LTD.
    Inventors: Tatsuya GOZAWA, Daisuke SUMOYAMA, Tsutomu SHIBATA