Patents by Inventor Satoshi Arai

Satoshi Arai 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: 20200316976
    Abstract: A thermosensitive recording medium including a base and a recording layer including a photothermal conversion material and disposed on the base, wherein the thermosensitive recording medium is configured to record information in the thermosensitive recording medium through laser light irradiation, and wherein a color difference delta E between a color tone A of a background observed through the thermosensitive recording medium in which information is not recorded and a color tone B of the background directly observed without the thermosensitive recording medium in which information is not recorded is 20 or less, and a film thickness D of an area of the recording layer irradiated with laser light after information recording performed by laser light irradiation is 140% or greater but 250% or less relative to a film thickness C of the recording layer of the thermosensitive recording medium in which information is not recorded.
    Type: Application
    Filed: May 30, 2017
    Publication date: October 8, 2020
    Inventors: Ichiro SAWAMURA, Yasuroh YOKOTA, Kazuyuki UETAKE, Yohji IDE, Satoshi ARAI, Toshiaki ASAI, Kazumasa NODA, Yuta OKABE
  • Publication number: 20200307055
    Abstract: A method of generating the analysis conditions of an injection molding machine by using at least one computer, the at least one computer executing the steps of: selecting one of injection molding machines, each being associated with a predetermined correction amount of injection molding; generating a second analysis condition for the selected injection molding machine on the basis of an acquired first analysis condition and the predetermined correction amount of the selected injection molding machine; and outputting the generated second analysis condition.
    Type: Application
    Filed: March 16, 2020
    Publication date: October 1, 2020
    Applicant: HITACHI, LTD.
    Inventors: Ryotaro SHIMADA, Satoshi ARAI, Kei YAMAGUCHI
  • Publication number: 20200307053
    Abstract: An injection molding system includes: determining a manufacturing condition including a first mold and a first injection molding machine; checking whether a first actual production result acquired using the combination of the first mold and the first injection molding machine exists by searching an actual production result storage unit; and generating a correction molding condition for performing injection molding using the combination of the first injection molding machine and first mold based on first molding-machine-unique information acquired in advance for the first injection molding machine, second molding-machine-unique information acquired in advance for a second injection molding machine with which a second actual production result is acquired in combination with the first mold, and the second actual production result acquired from the actual production result storage unit when the first actual production result does not exist, and inputs the generated correction molding condition to the second injec
    Type: Application
    Filed: March 19, 2020
    Publication date: October 1, 2020
    Applicant: HITACHI, LTD.
    Inventors: Ryotaro Shimada, Satoshi Arai
  • Publication number: 20200283331
    Abstract: The present invention relates to a glass for a pharmaceutical container that is excellent in ultraviolet shielding ability, and is also excellent in chemical durability. The glass for a pharmaceutical container of the present invention includes as a glass composition, in terms of mass %, 67% to 81% of SiO2, more than 4% to 7% of Al2O3, 7% to 14% of B2O3, 3% to 12% of Na2O+K2O, 0% to 1.8% of CaO+BaO, 0.5% to less than 2% of Fe2O3, and 1% to 5% of TiO2, and satisfies a relationship of CaO/BaO?0.5.
    Type: Application
    Filed: October 16, 2018
    Publication date: September 10, 2020
    Inventor: Satoshi ARAI
  • Patent number: 10751937
    Abstract: The present invention prevents warp deformation of a molded object formed by laser powder layer laminating molding. There is provided a powder layer laminating molding method including a first step of forming a powder layer which includes powder of a thermoplastic resin, and a second step of sintering the powder layer by irradiating the formed powder layer with a beam having a heating action, in which a molded object is obtained by repeatedly performing the forming and the sintering of the powder layer in the first step and the second step, and an irradiation surface which is irradiated with the beam is divided into a plurality of small regions.
    Type: Grant
    Filed: January 26, 2018
    Date of Patent: August 25, 2020
    Assignee: Hitachi, Ltd.
    Inventors: Akihiro Yamaguchi, Satoshi Arai, Shigeharu Tsunoda
  • Patent number: 10751903
    Abstract: A processing liquid supplying apparatus including a reservoir containing an additive to be added to a liquid flowing through a passage connected at one end to a liquid supply source and at another end to a processing apparatus; an injection pump for injecting the additive into the passage; a weight measuring unit for measuring the weight of the reservoir and converting the weight into an electrical signal at a predetermined interval while the liquid flows in the passage and the additive is injected; a deciding unit for receiving the electrical signal from the weight measuring unit and deciding whether the measured value of the weight of the reservoir is being reduced at a predetermined rate; and a warning unit for issuing a warning that injection is improper when it is decided by the deciding unit that the measured value of the weight is not being reduced at the predetermined rate.
    Type: Grant
    Filed: February 21, 2018
    Date of Patent: August 25, 2020
    Assignee: DISCO CORPORATION
    Inventors: Naoya Tokumitsu, Satoshi Arai
  • Patent number: 10649891
    Abstract: A storage device includes a nonvolatile memory, and a controller configured to perform, in response to commands from the host device, a read operation and a write operation on the nonvolatile memory. The controller divides a logical address space of the storage device into a plurality of subspaces and manages a priority value for each of the subspaces, the priority values of the subspaces determining an order for setting up the subspaces upon start-up of the storage device.
    Type: Grant
    Filed: August 24, 2017
    Date of Patent: May 12, 2020
    Assignee: Toshiba Memory Corporation
    Inventors: Satoshi Arai, Shunitsu Kohara, Kazuya Kitsunai, Yoshihisa Kojima, Hiroyuki Nemoto
  • Patent number: 10610964
    Abstract: A grain-oriented electrical steel sheet includes: a base steel sheet; a primary film formed on a surface of the base steel sheet; and a tension insulation coating formed on a surface of the primary film, in which a magnetic domain control is performed by irradiating the tension insulation coating with a laser from above. When a strip-like sample having a length of 300 mm in a direction parallel to a rolling direction of the grain-oriented electrical steel sheet and a length of 60 mm in a direction parallel to a transverse direction is extracted from the grain-oriented electrical steel sheet, a range from a surface of the tension insulation coating to a depth position of 5 ?m toward the base steel sheet side from an interface between the base steel sheet and the primary film is removed by pickling at least one surface of the sample, and a warpage amount of the sample is thereafter measured, the warpage amount satisfies predetermined conditions.
    Type: Grant
    Filed: May 8, 2015
    Date of Patent: April 7, 2020
    Assignee: NIPPON STEEL CORPORATION
    Inventors: Satoshi Arai, Hideyuki Hamamura, Kenichi Murakami, Hiroyasu Fujii, Hideyuki Kobayashi, Norikazu Fujii, Masato Mizokami
  • Patent number: 10568226
    Abstract: It is provided an electronic control device including a resin molded body, a metal body, and an electronic component, wherein the resin molded body and a main surface of the metal body are bonded, and at least a part of a side surface continuous to the main surface of the metal body is in contact with a side contact portion provided in the resin molded body.
    Type: Grant
    Filed: October 7, 2016
    Date of Patent: February 18, 2020
    Assignee: Hitachi Automotive Systems, Ltd.
    Inventors: Satoshi Arai, Yukio Sakigawa, Shigeharu Tsunoda, Masaru Kamoshida, Shirou Oouchi
  • Patent number: 10507617
    Abstract: A laser welded structure is formed by laser welding together a resin molded body formed from a thermoplastic polymer alloy containing a crystalline resin and an amorphous resin and a metal body made of a metal. A glass transition temperature of the amorphous resin is lower than a melting start temperature of the crystalline resin.
    Type: Grant
    Filed: September 29, 2015
    Date of Patent: December 17, 2019
    Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Satoshi Arai, Shigeharu Tsunoda, Wataru Sawada, Masaru Kamoshida, Toshikazu Shigyo
  • Patent number: 10456597
    Abstract: This multileaf collimator is provided with multiple leaves which limit the area irradiated by a radiation beam and which are arranged in the thickness direction. Each of the leaves is provided with a protruded portion which is formed protruding towards a first surface of the leaf, a depressed portion which is formed in the second surface of the leaf and into which the protruded portion formed on another leaf is inserted, a first curved surface which is formed between the first surface of the leaf and the lateral surface of the protruded portion, and a second curved surface which is formed between the second surface of the leaf and the lateral surface of the depressed portion.
    Type: Grant
    Filed: January 29, 2015
    Date of Patent: October 29, 2019
    Assignee: Hitachi, Ltd.
    Inventors: Satoshi Arai, Akihiro Miyamoto
  • Patent number: 10423004
    Abstract: Provided is a telescope (TSC) having: an objective optical system (OB); an erecting optical system (PR) for erecting an image formed by the Objective optical system (OB); and an eyepiece optical system (EP) for observing the image which is formed by the Objective optical system (OB) and erected by the erecting optical system (PR). The objective optical system (OB) includes, in order from an object, a first lens group (G1) having positive or negative refractive power, a second lens group (G2) having positive refractive power, and a third lens group (G3) having negative refractive power. The second lens group (G2) and the third lens group (G3) rotate together around a point (O) on the optical axis of the Objective optical system (OB) in order to correct the image.
    Type: Grant
    Filed: April 22, 2016
    Date of Patent: September 24, 2019
    Assignee: Nikon Vision Co., Ltd.
    Inventor: Satoshi Arai
  • Publication number: 20190282830
    Abstract: A ridge filter 100 provided in a particle therapy system includes a repeating structure body 101 having a plurality of extending parts 101c extending along the incident direction P of a proton beam 204, and a bottom plate 102 provided on the lower face 101b side opposite to the incident side of the proton beam 204 of the repeating structure body 101. In addition, the repeating structure body 101 and the bottom plate 102 are integrally formed by a molding method, and each of the repeating structure body 101 and the bottom plate 102 is formed of a laminate of resin.
    Type: Application
    Filed: November 28, 2017
    Publication date: September 19, 2019
    Inventors: Satoshi ARAI, Hiroaki FURUICHI, Jun-ichi HIRAI, Osamu CHIBA, Tomoki MURATA
  • Publication number: 20190275736
    Abstract: A powder layered modeling apparatus capable of modeling a three-dimensional object using a material powder contains at least a crystalline resin and filler particles. A modeling unit which partitions a modeling space for laying a material powder layer by the material powder to mold the three-dimensional object, a powder laying unit capable of laying the material powder layer in the modeling space by moving the material powder along a first direction with respect to the modeling space, a powder laying unit capable of laying the material powder layer in the modeling space by moving the material powder along a second direction not parallel to the first direction, and an energy supply unit which supplies energy for melting or sintering the material powder to a part constituting a cross-sectional layer to be molded of the three-dimensional object of the material powder layer laid in the modeling space.
    Type: Application
    Filed: September 17, 2018
    Publication date: September 12, 2019
    Applicant: HITACHI, LTD.
    Inventors: Akihiro YAMAGUCHI, Satoshi ARAI, Shigeharu TSUNODA
  • Publication number: 20190270170
    Abstract: A constant temperature water supply apparatus includes a temperature adjustment unit that circulates cooling water and adjusts the temperature of a spindle unit of a processing apparatus and a processing water temperature adjustment unit. The temperature adjustment unit includes a pump that sends the cooling water to the spindle unit, a cooling water cooling unit, a first pipe that connects the pump and the cooling unit, a second pipe that connects the cooling unit and the spindle unit, and a third pipe that connects the spindle unit and the pump. The processing water temperature adjustment unit includes a processing water pipe that has one end connected to a water source and supplies processing water from the other end side to a processing tool and a heat exchange unit on the processing water pipe.
    Type: Application
    Filed: February 25, 2019
    Publication date: September 5, 2019
    Inventors: Satoshi ARAI, Jun SAITO
  • Publication number: 20190255672
    Abstract: A water temperature setting method for a processing apparatus for processing a workpiece held by a holding table by rotating at a high speed a spindle with a processing tool mounted thereto and supplying processing water to the processing tool. A set temperature for the processing water supplied to the processing tool is set to be higher than a set temperature for spindle cooling water supplied to a spindle unit that rotates the spindle at the high speed, in consideration of a lowering in temperature due to evaporation of the processing water scattered from the processing tool due to the high-speed rotation of the processing tool.
    Type: Application
    Filed: February 15, 2019
    Publication date: August 22, 2019
    Inventors: Satoshi ARAI, Jun SAITO
  • Patent number: 10372543
    Abstract: According to one embodiment, a memory system is connectable to a host. The memory system includes a nonvolatile first memory, a volatile second memory and a controller. The nonvolatile first memory stores translation information. The translation information associates a logical address and a physical address. The volatile second memory stores location information. The location information associates a logical address and a location where the translation information is stored in the first memory. The controller saves a first memory image in the first memory at a first timing, and saves a second memory image in the first memory at a second timing different from the first timing. The first memory image is a part of a memory image of the location information. The second memory image is another part, different form the first memory image, of the memory image of the location information.
    Type: Grant
    Filed: September 12, 2016
    Date of Patent: August 6, 2019
    Assignee: TOSHIBA MEMORY CORPORATION
    Inventors: Kazuya Kitsunai, Shunitsu Kohara, Satoshi Arai, Yoshihisa Kojima
  • Patent number: 10370733
    Abstract: A method of annealing a metal member includes: disposing a first heater in an inner space of a hollow cylindrical metal member having an inner peripheral surface provided with plural teeth protruding toward a central direction, the first heater radiating infrared light and being disposed so as to extend parallel to a direction of a central axis of the metal member; heating the metal member from the inner space with the first heater; and gradually cooling the metal member after heating.
    Type: Grant
    Filed: January 22, 2013
    Date of Patent: August 6, 2019
    Assignee: NIPPON STEEL CORPORATION
    Inventors: Yasuo Ohsugi, Tsuyoshi Hamaya, Satoshi Arai, Eiji Yanagida, Shinya Sano, Masaaki Kondo, Toshimitsu Takahashi, Yoji Sato
  • Patent number: 10340065
    Abstract: A treatment solution is applied on a surface of a base iron; and the treatment solution is baked and dried. The treatment solution contains a first component: 100 parts by mass in solid content, and a second component composed of particles of one or more kinds selected from a group consisting of a polyolefin wax, an epoxy resin and an acrylic resin, the particles having an average particle size of 2.0 ?m to 15.0 ?m and a melting point of 60° C. to 140° C.: 5 parts by mass to 45 parts by mass in resin solid content. The first component contains a colloidal silica: 100 parts by mass, and an emulsion of one kind selected from a group consisting of an acrylic resin, an epoxy resin and a polyester resin which have an average particle size of 0.05 ?m to 0.50 ?m, or an emulsion of a mixture or copolymer of two or three kinds selected from the group: 40 parts by mass to 400 parts by mass in resin solid content.
    Type: Grant
    Filed: June 10, 2016
    Date of Patent: July 2, 2019
    Assignee: NIPPON STEEL & SUMITOMO METAL CORPORATION
    Inventors: Kazutoshi Takeda, Kenji Kosuge, Satoshi Arai, Kiyokazu Ishizuka
  • Patent number: D883459
    Type: Grant
    Filed: October 19, 2018
    Date of Patent: May 5, 2020
    Assignee: Mitsubishi Electric Corporation
    Inventors: Shinya Ishihama, Takanori Ikegaya, Satoshi Arai