Patents by Inventor Masashi Sawada

Masashi Sawada 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: 20200340525
    Abstract: A thrust magnetic bearing device includes: a thrust disc fixed to a rotating body; and a pair of electromagnets provided so as to sandwich the thrust disc and be spaced apart from the thrust disc in a direction along a rotation axis. Each of the pair of electromagnets includes: a coil wound around the rotation axis of the rotating body; and a ring-shaped core accommodating the coil. The core includes a slit which is located at at least one circumferential position of the core and extends from an outside outer peripheral surface as a starting point toward a center of the core. The slit is formed in a range including at least an inside outer peripheral surface.
    Type: Application
    Filed: December 14, 2018
    Publication date: October 29, 2020
    Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Ryoma YAMAMOTO, Yoshihiko OZAKI, Kentaro SAKATA, Masanori KURODA, Masashi SAWADA
  • Publication number: 20200263208
    Abstract: A method of producing ethanol includes: a continuous ethanol fermentation step including culturing a microorganism with a fermentation feedstock containing cane molasses as a main component, filtering the resulting culture liquid through a separation membrane to recover a filtrate containing the ethanol and from which the microorganism has been removed; retaining or returning an unfiltered liquid containing the microorganism, in or to the culture liquid; and adding an additional fermentation feedstock to the culture liquid, and an ethanol concentration and purification step including distilling the filtrate collected in the continuous ethanol fermentation step and contains the ethanol, wherein the microorganism causes a centrifugal supernatant of the culture liquid to contain particles having an average particle diameter of 100 nm or more, and particles formed by the microorganism culture and contained in the filtrate containing ethanol have an average particle diameter of 40 to 80 nm.
    Type: Application
    Filed: September 14, 2018
    Publication date: August 20, 2020
    Inventors: Hiroyuki MIZUNO, Takashi MIMITSUKA, Masashi HIGASA, Shinjiro SAWADA
  • Patent number: 10622570
    Abstract: Provided is an organic EL device that exhibits high luminous efficiency and has high stability when driven despite having low voltage. The organic electroluminescent device is obtained by laminating an anode, organic layers and a cathode on a substrate, wherein at least one of the organic layers contains (i) a compound represented by chemical formula (1) below, and (ii) a carborane compound having one or more divalent carborane groups and an aromatic group substituted for the carborane group. In the formulas, X1 and X2 represent NR1, PR2, O, S, Se, CR3R4 or SiR5R6 and Y represents a single bond or aromatic group.
    Type: Grant
    Filed: February 23, 2017
    Date of Patent: April 14, 2020
    Assignee: NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
    Inventors: Tokiko Ueda, Junya Ogawa, Masashi Tada, Yuichi Sawada
  • Patent number: 10620584
    Abstract: An image forming apparatus includes: an exterior of a main body of the image forming apparatus, the exterior including a vent hole; a substrate provided in an inner side of the main body with respect to the exterior so as to face the vent hole and configured to mount an electronic component; and a sheet member including a hole and flexibility, the sheet member being disposed so that the hole and the vent hole overlap with each other at a position between the exterior and the substrate, the sheet member being formed in a loop shape so that a portion that does not have the hole covers the hole with a gap.
    Type: Grant
    Filed: June 3, 2019
    Date of Patent: April 14, 2020
    Assignee: Canon Kabushiki Kaisha
    Inventor: Masashi Sawada
  • Publication number: 20200086897
    Abstract: A floating caliper brake device for a railroad vehicle 100 includes: a support frame 1 that has a cylindrical portion 1a; a support pin 2 that is supported by the cylindrical portion 1a in such a manner as to be slidable in a direction X; a caliper 3 that includes a first arm portion 3a and a second arm portion 3b; a first brake shoe 4; a second brake shoe 5 that is opposite to the first brake shoe 4; a pressurizing device 6 that moves the first brake shoe 4 back and forth; an elastic member 7 that is expandable and contractible in the direction X; a stopper member 8 that is immovable relatively to the cylindrical portion 1a in the direction X; and a moving member 9 that is frictionally engaged with the support pin 2 in such a manner as to be slidable in the direction X, wherein end portions on an L side of the elastic member 7 and the stopper member 8 are each supported by the cylindrical portion 1a, at least a portion of an end portion on an R side of the stopper member 8 overlaps the moving member 9 when v
    Type: Application
    Filed: May 22, 2018
    Publication date: March 19, 2020
    Applicants: NIPPON STEEL CORPORATION, CENTRAL JAPAN RAILWAY COMPANY
    Inventors: Kousuke SAKAGUCHI, Kazuaki FUJITA, Masanori SAWADA, Hironori YOKOTA, Tomohiro OTSUKA, Jun ASANO, Masashi SEKIYA, Seiji KANAMORI
  • Publication number: 20190369554
    Abstract: An image forming apparatus includes: an exterior of a main body of the image forming apparatus, the exterior including a vent hole; a substrate provided in an inner side of the main body with respect to the exterior so as to face the vent hole and configured to mount an electronic component; and a sheet member including a hole and flexibility, the sheet member being disposed so that the hole and the vent hole overlap with each other at a position between the exterior and the substrate, the sheet member being formed in a loop shape so that a portion that does not have the hole covers the hole with a gap.
    Type: Application
    Filed: June 3, 2019
    Publication date: December 5, 2019
    Inventor: Masashi Sawada
  • Patent number: 10445612
    Abstract: An information processing apparatus includes an effective range acquisition unit configured to acquire an effective range of color information with respect to the color information extracted from an image of an object captured by an imaging unit, and a color region extraction unit configured to extract a color region corresponding to the color information from another captured image that is different from the captured image from which the color information is extracted, based on the effective range of the color information.
    Type: Grant
    Filed: October 24, 2016
    Date of Patent: October 15, 2019
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Masashi Nakagawa, Keiichi Sawada, Akifumi Tanaka
  • Patent number: 10404141
    Abstract: A drive unit that includes a rotating electric machine, and a controller having a substrate with electronic components mounted on the substrate, and controlling a drive of the rotating electric machine. The drive unit also includes a first terminal electrically connected to the rotating electric machine or to a power supply, and a second terminal disposed on the substrate. The second terminal has an insertion hole into which the first terminal is inserted, and has a protruding shape protruding in parallel with an insertion direction or an anti-insertion direction of the first terminal. Also, the first terminal and the second terminal are in a resilient contact with each other.
    Type: Grant
    Filed: July 29, 2015
    Date of Patent: September 3, 2019
    Assignee: DENSO CORPORATION
    Inventors: Masashi Yamasaki, Hideki Kabune, Takeshi Sawada
  • Patent number: 9376069
    Abstract: At the end portion of a wire harness that is connected through a through hole of a casing, a shielding shell is fixed to the casing and covers a connector for a harness attached to the end portion of the wire harness. A grommet covers the outside of the shielding shell. The grommet includes a main portion and a band-fastened portion, and a skirt portion extends from the band-fastened portion. A bundling band fastens the outer circumferential surface of the connecting portion via the band-fastened portion, and the skirt portion is brought into intimate contact with the outer circumferential surface of a step portion that is continuous with the connecting portion. Sealing lips that receive fastening force by the bundling band and come into intimate contact with the outer circumferential surface of the connecting portion in a squeezed state are formed on the inner circumferential surface of the band-fastened portion.
    Type: Grant
    Filed: May 14, 2013
    Date of Patent: June 28, 2016
    Assignee: SUMITOMO WIRING SYSTEMS, LTD.
    Inventors: Hirokazu Nakai, Masashi Sawada, Tomohiro Yabashi
  • Patent number: 9302635
    Abstract: A waterproof cover can prevent substantial deformation thereof and maintain high waterproof performance even when temperature inside the waterproof cover changes. The waterproof cover has a peripheral wall composed of a rubber or elastomer. Two end portions of the peripheral wall are connected to an attachment member. The peripheral wall has an attachment hole passing through the peripheral wall in a thickness direction. A ventilation film is provided inside the attachment hole as an inner pressure adjustment member to adjust inner pressure of the waterproof cover.
    Type: Grant
    Filed: January 22, 2013
    Date of Patent: April 5, 2016
    Assignee: SUMITOMO WIRING SYSTEMS, LTD.
    Inventors: Hojea Han, Masashi Sawada
  • Publication number: 20150318679
    Abstract: At the end portion of a wire harness that is connected through a through hole of a casing, a shielding shell is fixed to the casing and covers a connector for a harness attached to the end portion of the wire harness. A grommet covers the outside of the shielding shell. The grommet includes a main portion and a band-fastened portion, and a skirt portion extends from the band-fastened portion. A bundling band fastens the outer circumferential surface of the connecting portion via the band-fastened portion, and the skirt portion is brought into intimate contact with the outer circumferential surface of a step portion that is continuous with the connecting portion. Sealing lips that receive fastening force by the bundling band and come into intimate contact with the outer circumferential surface of the connecting portion in a squeezed state are formed on the inner circumferential surface of the band-fastened portion.
    Type: Application
    Filed: May 14, 2013
    Publication date: November 5, 2015
    Applicant: SUMITOMO WIRING SYSTEMS, LTD.
    Inventors: Hirokazu NAKAI, Masashi SAWADA, Tomohiro YABASHI
  • Publication number: 20150101842
    Abstract: A waterproof cover can prevent substantial deformation thereof and maintain high waterproof performance even when temperature inside the waterproof cover changes. The waterproof cover has a peripheral wall composed of a rubber or elastomer. Two end portions of the peripheral wall are connected to an attachment member. The peripheral wall has an attachment hole passing through the peripheral wall in a thickness direction. A ventilation film is provided inside the attachment hole as an inner pressure adjustment member to adjust inner pressure of the waterproof cover.
    Type: Application
    Filed: January 22, 2013
    Publication date: April 16, 2015
    Applicant: SUMITOMO WIRING SYSTEMS, LTD.
    Inventors: Hojea Han, Masashi Sawada
  • Patent number: 8981221
    Abstract: Core shield pipes and one collectively encasing braided shield tube are fixed and electrically connected using a metal bracket and a metal clamp. The metal bracket has two semi-circular members formed by dividing a circular plate sized to be covered by the collectively encasing braided shield tube into two parts. Semi-circular pipe insertion grooves are provided side by side at intervals on facing sides of the semi-circular members to face each other and the core shield pipes are inserted respectively into the pipe insertion grooves. The collectively encasing braided shield tube is mounted to cover the outer periphery of the metal bracket formed of the semi-circular members and the metal clamp is fastened to the outer periphery of the collectively encasing braided shield tube.
    Type: Grant
    Filed: October 28, 2010
    Date of Patent: March 17, 2015
    Assignee: Sumitomo Wiring Systems, Ltd.
    Inventors: Masashi Sawada, Tadayoshi Asao, Koki Shiga
  • Publication number: 20150021298
    Abstract: Switchgear comprising: an air-insulated earthing disconnecting switch switchable among the closing position, disconnecting position, and earthing position; a vacuum interrupter electrically connected to the air-insulated earthing disconnecting switch; an operating device of the air-insulated earthing disconnecting switch having a motor; and an operating-force transmission unit transmitting driving force from the motor to a movable electrode of the air-insulated earthing disconnecting switch, wherein the operating-force transmission unit includes an operation rod fixedly coupled to the movable electrode, a shaft rotatably driven by the motor, a lever fixed to the shaft and making an arc motion with the shaft rotatably driven, a coupling pin coupling the lever and the operation rod, and limit switches detecting that the air-insulated earthing disconnecting switch is in the closing position, disconnecting position, or earthing position by means of the coupling pin driven by the operation of the rod operating wit
    Type: Application
    Filed: July 17, 2014
    Publication date: January 22, 2015
    Inventors: Masashi SAWADA, Daisuke SUGAI
  • Patent number: 8570121
    Abstract: An air circuit breaker comprises: a make-and-break unit having a stator and a blade-shaped movable element rotatably supported with a support shaft; an electromagnetic operation unit having a fixed iron core, a movable iron core provided below the fixed iron core, a coil to produce an electromagnetic force, and a permanent magnet; a capacitor to store electric power to excite the coil; a control circuit board that controls a carrying direction of a current supplied from the capacitor to the coil in response to an input command or a breaking command to the make-and-break unit; and a servo mechanism provided above the electromagnetic operation unit and connected to the movable iron core, that transmits a driving force from the electromagnetic operation unit to the make-and-break unit.
    Type: Grant
    Filed: August 8, 2011
    Date of Patent: October 29, 2013
    Assignee: Hitachi, Ltd.
    Inventors: Masashi Sawada, Ayumu Morita, Masato Yabu, Motoki Shibuya
  • Publication number: 20120312595
    Abstract: Core shield pipes and one collectively encasing braided shield tube are fixed and electrically connected using a metal bracket and a metal clamp. The metal bracket has two semi-circular members formed by dividing a circular plate sized to be covered by the collectively encasing braided shield tube into two parts. Semi-circular pipe insertion grooves are provided side by side at intervals on facing sides of the semi-circular members to face each other and the core shield pipes are inserted respectively into the pipe insertion grooves. The collectively encasing braided shield tube is mounted to cover the outer periphery of the metal bracket formed of the semi-circular members and the metal clamp is fastened to the outer periphery of the collectively encasing braided shield tube.
    Type: Application
    Filed: October 28, 2010
    Publication date: December 13, 2012
    Applicant: SUMITOMO WIRING SYSTEMS, LTD.
    Inventors: Masashi Sawada, Tadayoshi Asao, Koki Shiga
  • Publication number: 20120038438
    Abstract: In an air circuit breaker provided with a make-and-break unit having a stator 11 and a blade-shaped movable element 10 rotatably supported with a support shaft 9 oppositely to the stator, comprising an electromagnetic operation unit 20 having a fixed iron core 33 provided in an upper position, a movable iron core 32 provided in a lower position oppositely to the fixed iron core, a coil 30 that connects/disconnects the fixed iron core 33 and the movable iron core 32, and a permanent magnet 38; capacitors 17a to 17c that energy-store electric power to excite the coil 30; a control circuit board 19 that controls a carrying direction of a current supplied from the capacitors to the coil 30 in response to an input command or a breaking command to the make-and-break unit; and a servo mechanism 16 connected to the movable iron core 32, that transmits a driving force by the electromagnetic force of the electromagnetic operation unit 20 to the make-and-break unit.
    Type: Application
    Filed: August 8, 2011
    Publication date: February 16, 2012
    Inventors: Masashi Sawada, Ayumu Morita, Masato Yabu, Motoki Shibuya
  • Patent number: 8078080
    Abstract: An image forming apparatus includes a heat source, a toner containing member containing toner, and an electric fan for generating air flow in an air flow path formed between the heat source and the toner containing member. In the image forming apparatus, a temperature of the heat source reaches a glass transition point of the toner. After the electric fan is changed from a driving state to a rest state, a phase transition member for absorbing heat is disposed in a heat transfer path, in which heat transfers, from the heat source to the toner containing member.
    Type: Grant
    Filed: June 2, 2009
    Date of Patent: December 13, 2011
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masashi Sawada, Yoichi Furuyama
  • Patent number: 7890038
    Abstract: The present invention provides an image heating apparatus capable of holding an open/close unit at a normal position and capable of inexpensively avoiding conveyance failure and deterioration in image quality. An image heating apparatus includes a fixing an roller 71 and a pressing belt 731, a pressing mechanism 75 which rotates a pressing belt unit 73 having a pressing belt 731 to retract the pressing belt 731 from a pressing contact position, a separation projection 800 which separates the sheet S from the pressing belt 731, and an open/close unit 81 which rotates a separating unit (separation projection 800, division plate 817) to retract the separation projection 800 from a separating position. The pressing belt unit 73 includes a push-up member 840 which locks the separating unit located in the separating position when the pressing belt unit 73 is in the pressing contact position.
    Type: Grant
    Filed: April 4, 2008
    Date of Patent: February 15, 2011
    Assignee: Canon Kabushiki Kaisha
    Inventors: Youichi Chikugo, Seiichiro Kameda, Taiya Hirayama, Masashi Sawada
  • Patent number: 7890024
    Abstract: The present invention provides an image heating apparatus which can easily attach and detach an external heating unit and easily perform a maintenance operation. The image heating apparatus has a fixing apparatus frame 62 which rotatably supports a fixing roller 40, a unit including a pressure spring 35 which urges an external heating roller 53 toward the fixing roller 40, a pressure guide shaft 37 which holds the pressure spring 35, and a pressure stay 38 which slidably supports the pressure guide shaft 37, a screw 61 which detachably fixes the unit to the fixing apparatus frame 62 via the pressure stay 38, and a pressure releasing arm 39 which releases the force of the pressure spring 35 acting on the screw 61 via the pressure stay 38 by sliding the pressure guide shaft 37 relative to the pressure stay 38.
    Type: Grant
    Filed: April 7, 2008
    Date of Patent: February 15, 2011
    Assignee: Canon Kabushiki Kaisha
    Inventors: Taiya Hirayama, Seiichiro Kameda, Masashi Sawada, Youichi Chikugo