Patents by Inventor Takanori Okamoto

Takanori Okamoto 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: 20240147687
    Abstract: A memory device that can be highly integrated is provided. The memory device includes a first transistor and a second transistor in a memory cell, and small-area vertical transistors each including a channel formation region on a side surface of an opening portion provided in an insulating layer are used as the two transistors. The memory cell includes a conductor having a function of a gate electrode of the first transistor and a function of one of a source electrode and a drain electrode of the second transistor. The memory cells are placed in a staggered arrangement, so that the memory device can be highly integrated.
    Type: Application
    Filed: October 20, 2023
    Publication date: May 2, 2024
    Inventors: Takanori MATSUZAKI, Hiroki INOUE, Yuki OKAMOTO
  • Publication number: 20240147708
    Abstract: A semiconductor device having a novel structure is provided. The semiconductor device includes a first substrate provided with a first peripheral circuit having a function of driving a first memory cell and a first memory cell layer including a second substrate and a first element layer including the first memory cell. The first memory cell includes a first transistor and a first capacitor. The first transistor includes a semiconductor layer including a metal oxide in its channel formation region. The first memory cell layer is provided to be stacked over the first substrate in a direction perpendicular or substantially perpendicular to a surface of the first substrate. The second substrate includes a circuit for performing writing of data to or reading of data from the first memory cell. The first peripheral circuit and the first memory cell are electrically connected to each other through a first through electrode provided in the second substrate and the first element layer.
    Type: Application
    Filed: April 26, 2022
    Publication date: May 2, 2024
    Inventors: Takanori MATSUZAKI, Yuki OKAMOTO, Tatsuya ONUKI, Hitoshi KUNITAKE
  • Patent number: 11973198
    Abstract: A semiconductor device capable of detecting a micro-short circuit of a secondary battery is provided. The semiconductor device includes a first source follower, a second source follower, a transistor, a capacitor, and a comparator. A negative electrode potential and a positive electrode potential of the secondary battery are supplied to the semiconductor device, a first potential is input to the first source follower, and a second potential is input to the second source follower. A signal for controlling the conduction state of the transistor is input to a gate of the transistor, and an output potential of the first source follower related to the potential between the positive electrode and the negative electrode of the secondary battery is sampled.
    Type: Grant
    Filed: November 11, 2019
    Date of Patent: April 30, 2024
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Takanori Matsuzaki, Kei Takahashi, Takahiko Ishizu, Yuki Okamoto, Minato Ito
  • Patent number: 11959768
    Abstract: A guidance control device is configured to control a projection device for projecting images. The guidance control device is configured to generate a subject-identifying image to be projected on a first projection range relating to a first position at which a subject person conducts a predetermined operation and to generate a guide image guiding the predetermined operation for the subject person to be projected on a second projection range relating to a second position viewable by the subject person. Accordingly, the guidance control device is able to control the projection device including the subject-identifying image and the guide image.
    Type: Grant
    Filed: March 25, 2019
    Date of Patent: April 16, 2024
    Assignee: NEC CORPORATION
    Inventors: Takanori Fujishima, Yuuzou Miyoshi, Tsutomu Maruyama, Takahiro Okamoto
  • Patent number: 11943929
    Abstract: A semiconductor device with a large storage capacity per unit area is provided. The semiconductor device includes a first insulator including a first opening, a first conductor that is over the first insulator and includes a second opening, a second insulator that is over the first insulator and includes a third opening, and an oxide penetrating the first opening, the second opening, and the third opening. The oxide includes a first region at least in the first opening, a second region at least in the second opening, and a third region at least in the third opening. The resistances of the first region and the third region are lower than the resistance of the second region.
    Type: Grant
    Filed: March 31, 2023
    Date of Patent: March 26, 2024
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Hajime Kimura, Takanori Matsuzaki, Kiyoshi Kato, Satoru Okamoto
  • Publication number: 20240003121
    Abstract: The work machine control method includes actuating a first limiting unit, determining whether or not the first limiting unit has an abnormality, and actuating a second limiting unit based at least on a determination result of determining whether or not the first limiting unit has an abnormality. The first limiting unit limits a movement of a drive unit that drives a work machine. The second limiting unit limits the movement of the drive unit separately from the first limiting unit.
    Type: Application
    Filed: June 15, 2023
    Publication date: January 4, 2024
    Applicant: Yanmar Holdings Co., Ltd.
    Inventors: Takanori Okamoto, Takashi Deguchi, Kazuki Tamura, Masashi Danguchi, Amir dawan Mohamad
  • Patent number: 4629755
    Abstract: There are provided a radical polymerizing composition giving a cured resin having excellent elasticity which comprises a mixture of two or more kinds of monomethacrylic acid esters having specific structure at specific mixing ratio and organic peroxide, and more particularly an anaerobic liquid gasket having excellent sealing properties, pressure resistance and good storage stability which comprises these polymerizing composition, filler, anaerobic curing accelerator and stabilizer.
    Type: Grant
    Filed: April 4, 1986
    Date of Patent: December 16, 1986
    Assignee: Okura Kogyo Kabushiki Kaisha
    Inventors: Kunio Kanaoka, Takanori Okamoto, Hideaki Matsuda
  • Patent number: 4548992
    Abstract: There is provided a novel acrylic two-part adhesive suitable for structural uses composed of a liquid I comprising an acrylic monomer and an organic peroxide and a liquid II comprising an acrylic monomer and a curing accelerator. At least one of the liquid I and II further contains a diene-elastomer, and the liquid I or both the liquids further contain an ion-containing unsaturated polyester. The unsaturated polyester is further characterized in that it has one or more polymerizable or copolymerizable double bonds and its remaining carboxylic group is neutralized with a metal compound, ammonia or an amine.
    Type: Grant
    Filed: July 18, 1984
    Date of Patent: October 22, 1985
    Assignee: Okura Koygo Kabushiki Kisha
    Inventors: Hidemi Doi, Takanori Okamoto, Hideaki Matsuda
  • Patent number: 4546125
    Abstract: There is provided an anaerobic curing adhesives showing a quick curing property for not only active metals such as iron series metals etc., but also plated metals, comprising 100 parts by weight of anaerobically polymerizable monomers containing at least 10% by weight of a hydrophilic anaerobically polymerizable monomer capable of dissolving more than 0.5% by weight of water and following components (all parts are by weight) (a) to (d)(a) o-benzoic sulfimide: 0.1 to 5 parts(b) an aromatic tertiary amine: 0.1 to 5 parts(c) a radical polymerization initiator: 0.05 to 3 parts(d) water: 0.5 to 5 parts.
    Type: Grant
    Filed: May 9, 1984
    Date of Patent: October 8, 1985
    Assignee: Okura Kogyo Kabushiki Kaisha
    Inventors: Takanori Okamoto, Hisakazu Mori, Hideaki Matsuda
  • Patent number: 4510270
    Abstract: By adding 0.001 to 0.1% by weight of a polyphosphoric acid to a one-part type anaerobic adhesive obtained by adding an organic peroxide, a hardening accelerator to an ordinary anaerobically polymerizable monomer, the adhesive property such as breakaway-torque on adhering screw portions, impact and shearing strength on adhering flat parts of metals and the preservative stability are greatly improved.
    Type: Grant
    Filed: June 29, 1984
    Date of Patent: April 9, 1985
    Assignee: Okura Kogyo Kabushiki Kaisha
    Inventors: Takanori Okamoto, Hisakazu Mori, Hideaki Matsuda
  • Patent number: 4460760
    Abstract: There is provided a novel anaerobically curable composition which is less irritant, strongly adhesive to metal materials without primers and also storable for a long time without significant deterioration. The composition comprises per 100 parts of a polymerizable methacrylate, 0.1 to 5.0 parts of the salt of o-benzoic sulfimide and a specified aromatic amine, 0.1 to 5.0 parts of an acid amide, and 0 to 3.0 parts of a gelling stabilizer.
    Type: Grant
    Filed: June 17, 1982
    Date of Patent: July 17, 1984
    Assignee: Okura Kogyo Kabushiki Kaisha
    Inventors: Takanori Okamoto, Takaharu Onishi, Hideaki Matsuda
  • Patent number: 4447563
    Abstract: A novel anaerobically curable resin composition of one-part type is provided. The composition consists essentially of the following components (a), (b) and (c) in the specified amounts; the component (a) being a mixture of polymerizable components consisting of (i) an addition-reaction product of a polybutadiene-based liquid rubber, a polyisocyanate and a hydroxyl group-containing methacrylate, and (ii) a polymerizable methacrylate; the component (b) being a salt of o-benzoic sulfimide with a specified amine; and the component (c) being an ammonium or amine salt of an aminopolycarboxylic acid. The process for preparation of the composition comprises the step of adding the specified amounts of the aminopolycarboxylic acid or an alkali metal salt thereof and an ammonia water or a volatile organic amine to the component (a), the step of stirring and heating the mixture to remove volatile matters partly until the pH is decreased to 9 or lower, and the step of adding thereto the component (b).
    Type: Grant
    Filed: October 28, 1982
    Date of Patent: May 8, 1984
    Assignee: Okura Kogyo Kabushiki Kaisha
    Inventors: Kunio Kanaoka, Takanori Okamoto, Hideaki Matsuda
  • Patent number: 4433124
    Abstract: There is provided a one-part structural adhesive composition having satisfactory adhesive to plane surfaces and oily surface-adhesion properties. The adhesive composition comprises substantial amounts of a hydroxyl-containing polymerizable methacrylate represented by a certain general formula and a polymerizable methacrylate having 2 or more methacrylic groups as well as small amounts of a polymerizable organic phosphate represented by a certain general formula, tetrahydroquinoline salt of o-benzoic sulfimide, an organic hydroperoxide and water; the amounts of the above-mentioned components in the composition being within defined ranges.
    Type: Grant
    Filed: November 23, 1981
    Date of Patent: February 21, 1984
    Assignee: Okura Kogyo Kabushiki Kaisha
    Inventors: Takanori Okamoto, Hisakazu Mori, Hideaki Matsuda
  • Patent number: 3933748
    Abstract: An adhesive composition which can be applied to various metals and be polymerized and cured upon exclusion from contact with air is disclosed, said composition comprising (1) an anaerobic mixture consisting of a compound represented by the formula ##EQU1## a solvent compound having in the molecule an acrylic or methacrylic group, (2) a small amount of benzosulfimide, (3) tetrahydroquinoline and (4) an organic peroxide.
    Type: Grant
    Filed: August 16, 1974
    Date of Patent: January 20, 1976
    Assignee: Okura Kogya Kabushiki Kaisha
    Inventors: Hideaki Matsuda, Takanori Okamoto