Patents by Inventor Yusuke Watanabe

Yusuke Watanabe 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: 9926449
    Abstract: A water-absorbent resin composition is provided which shows only small reduction in liquid permeability and limited coloring over time or in relation to another factor. The water-absorbent resin composition (particulate absorbent agent) of the present invention contains: a polycarboxylate-based water-absorbent resin as a primary component, the resin having a crosslinked structure formed by polymerization of an acid group-containing unsaturated monomer; and multivalent metal cations (preferably, on surfaces of particles (i.e., the water-absorbent resin composition)) wherein: the multivalent metal cations other than Fe cations account for 0.001 to 1 mass % of the water-absorbent resin; and the ratio (in terms of percentage) of the Fe cations to the multivalent metal cations other than the Fe cations is less than or equal to 5.00 mass %.
    Type: Grant
    Filed: December 19, 2006
    Date of Patent: March 27, 2018
    Assignee: NIPPON SHOKUBAI CO., LTD.
    Inventors: Masatoshi Nakamura, Koji Miyake, Taku Iwamura, Yusuke Watanabe
  • Patent number: 9929614
    Abstract: A motor includes a shaft, a rotor magnet, an armature, an upper bracket, a lower bracket, and a fixing member. An insulator includes magnetic pole tooth insulating portions, each of which covers a separate one of magnetic pole teeth, and a core back insulating portion configured to cover at least portions of upper and lower end surfaces of a core back. A stator core includes a fixing member arranging portion. The core back insulating portion includes a core back insulating projecting portion configured to project in an axial direction away from a surface covering the core back, and including a radially inner surface located radially inward of a radially inner end of the fixing member arranging portion. The core back insulating projecting portion includes a cut portion at a position radially opposed to the fixing member.
    Type: Grant
    Filed: June 9, 2014
    Date of Patent: March 27, 2018
    Assignee: NIDEC CORPORATION
    Inventors: Kazuya Kitaji, Keizo Furukawa, Tomoya Uchimura, Yusuke Watanabe
  • Publication number: 20180056675
    Abstract: A medium support unit that supports a medium to be printed on by a printing apparatus includes a support section and a frame section. The support section has a first support face and a second support face that are capable of supporting the medium. The frame section retains the support section. The frame section includes a first placement portion that is placed on a base of the printing apparatus when the first support face is set as a printing face on which the medium is printed, and a second placement portion that is placed on the base when the second support face is set as the printing face.
    Type: Application
    Filed: August 25, 2017
    Publication date: March 1, 2018
    Inventor: Yusuke WATANABE
  • Publication number: 20180017852
    Abstract: A position detection system for detecting a position of a movable member includes a magnetic field generation unit to generate a magnetic field, a magnetic field detection unit, disposed on the movable member, to detect a magnetic flux density of the magnetic field effecting the magnetic field detection unit, and to output a detection voltage corresponding to the detected magnetic flux density, and circuitry to generate a corrected voltage based on the detection voltage, perform an analog-digital conversion to the corrected voltage to generate a digital value, set an offset value used for specifying a characteristic relationship of the corrected voltage and the digital value, calculate a displacement of the magnetic field detection unit relative to the magnetic field generation unit by applying the specified characteristic relationship to the digital value, and detect the position of the movable member based on the calculated displacement of the magnetic field detection unit.
    Type: Application
    Filed: July 6, 2017
    Publication date: January 18, 2018
    Inventors: Yusuke WATANABE, Akihisa Mikawa
  • Publication number: 20170313871
    Abstract: There is provided a phenolic resin composition as a molding material. It includes a resol-type phenolic resin (A) and a novolac-type phenolic resin (B). The novolac-type phenolic resin (B) includes a novolac-type phenolic resin (B1) represented by General Formula (1) and a modified novolac-type phenolic resin (B2) represented by General Formula (2).
    Type: Application
    Filed: October 5, 2015
    Publication date: November 2, 2017
    Applicant: SUMITOMO BAKELITE CO., LTD.
    Inventor: Yusuke WATANABE
  • Publication number: 20170313872
    Abstract: The molding material of the present invention contains (A) resin and (B) filler, in which provided that a total amount of the molding material is 100 parts by volume, a content of the (B) filler is equal to or greater than 35 parts by volume and equal to or less than 80 parts by volume, the (B) filler contains (B1) fibrous filler and (B2) spherical filler, provided that a total amount of the (B) filler is 100 parts by volume, a content of the (B2) spherical filler is equal to or greater than 40 parts by volume and equal to or less than 95 parts by volume, and provided that a number-average fiber diameter of the (B1) fibrous filler is d, an average particle size of the (B2) spherical filler is within a range of equal to or greater than 2.5 d and equal to or less than 6.5 d.
    Type: Application
    Filed: October 5, 2015
    Publication date: November 2, 2017
    Applicant: SUMITOMO BAKELITE CO., LTD.
    Inventor: Yusuke WATANABE
  • Patent number: 9806239
    Abstract: A light emitting device includes a substrate, a light emitting element mounted on the substrate, a phosphor plate for covering an upper surface of the light emitting element, a white reflecting resin placed on the substrate to surround side surfaces of the light emitting element and the phosphor plate, and a reflecting frame, including a reflecting film formed by plating and a bonding portion, and placed on the substrate to surround the light emitting element, the phosphor plate, and the white reflecting resin. The reflecting frame is directly bonded to the substrate by the bonding portion in a portion where the white reflecting resin is not located.
    Type: Grant
    Filed: March 9, 2016
    Date of Patent: October 31, 2017
    Assignees: Citizen Electronics Co., Ltd., Citizen Watch Co., Ltd.
    Inventor: Yusuke Watanabe
  • Patent number: 9786826
    Abstract: An LED light-emitting element having reduced the occurrence of illuminance unevenness is provided. A light-emitting element comprising a substrate, an LED element mounted on the substrate, a phosphor resin arranged on the substrate so as to seal the LED element and having an emission surface from which light based on light emitted from the LED element is emitted, a reflective resin arranged around the phosphor resin; and a reflecting frame having an opening and at least part of which is arranged on the reflective resin, wherein the reflective resin is arranged directly under the reflecting frame and on the side surface of the phosphor resin, the ratio of the area of the emission surface to the area of an inside area of the reflecting frame is set to 80% or higher, and in the inside area of the reflecting frame, the reflective resin is exposed around the emission surface.
    Type: Grant
    Filed: August 2, 2016
    Date of Patent: October 10, 2017
    Assignees: CITIZEN ELECTRONICS CO., LTD., CITIZEN HOLDINGS CO., LTD.
    Inventors: Makoto Yasuhara, Yusuke Watanabe
  • Patent number: 9728684
    Abstract: Provided is a light emitting apparatus that causes no lateral light leakage, enables easy assembly, and allows free selection of the shape of a reflection frame. The light emitting apparatus includes an LED device which is flip-chip mounted on a substrate, a phosphor layer placed on a light emitting surface of the LED device, a reflective resin having a recessed portion formed on the upper surface thereof, the reflective resin covering the side surface of the LED device and the side surface of the phosphor layer, and a reflection frame having a protruded portion formed on the lower surface thereof, the reflection frame being fixed on or above the phosphor layer and the reflective resin by engaging the protruded portion with the recessed portion of the reflective resin.
    Type: Grant
    Filed: March 11, 2015
    Date of Patent: August 8, 2017
    Assignees: CITIZEN ELECTRONICS CO., LTD., CITIZEN WATCH CO., LTD.
    Inventor: Yusuke Watanabe
  • Publication number: 20170218259
    Abstract: The present invention provides a contraction agent for a water-absorbing resin that is used as a proppant in stratum hydraulic fracturing, the contraction agent containing: a metal ion-containing substance and a breaking agent for water-absorbing resins used in stratum hydraulic fracturing; and an iron ion-containing substance and/or ascorbic acid, and/or a persulfate. Also provided is a kit for use in stratum hydraulic fracturing, the kit provided with a swelling agent containing a water-absorbing resin, an iron ion-containing substance, and ascorbic acid, the kit being for stratum hydraulic fracturing, wherein the kit consists of A) a proppant containing a water-absorbing resin, and B) a contraction agent for the water-absorbing resin containing a metal ion-containing substance.
    Type: Application
    Filed: September 29, 2015
    Publication date: August 3, 2017
    Inventors: Yuka FUJII, Yusuke WATANABE, Hiroyuki IKEUCHI
  • Patent number: 9620313
    Abstract: An object of the present invention is to provide an engine starting device which can prevent rattling of an ignition switch in a coupled state. Provided is an engine starting device including: a housing 2 accommodating a rotational operation shaft 1; and an ignition switch 3 coupled to the housing 2 and configured to be actuated upon application of rotational operation force to the rotational operation shaft 1. The ignition switch 3 is fitted and held in an attachment recess 4 formed in the housing 2, in such a way as to be prevented from falling from the attachment recess 4 by appropriate snap-locking portion 5.
    Type: Grant
    Filed: November 29, 2013
    Date of Patent: April 11, 2017
    Assignee: ALPHA CORPORATION
    Inventor: Yusuke Watanabe
  • Publication number: 20170089852
    Abstract: A gas sensor 10 includes a tubular protective cover 30 having an element chamber 37 therein and configured to allow a measured gas to flow from the outside into the element chamber 37; and a long sensor element 20 including a detecting portion 23 located in the element chamber 37 and configured to detect a specified gas concentration in the measured gas. An inclination angle ?t of an axial direction of the sensor element 20 (i.e., a direction parallel to an element axis A1) in the element chamber 37 with respect to an axial direction of the protective cover 30 (i.e., a direction parallel to a cover axis A2) is 1° or greater.
    Type: Application
    Filed: August 26, 2016
    Publication date: March 30, 2017
    Inventors: Yusuke WATANABE, Takao MURASE, Masashi YASUI
  • Publication number: 20170072904
    Abstract: A steering lock device includes a trigger that is displaced as a frame cover drops from a frame, an auxiliary lock device that holds a lock member in a locked position as the trigger is displaced under condition that the lock member is positioned in the locked position, housing components that are arranged in a housing chamber defined by the frame cover and the frame or in a guide hole, and a trigger coupling member that couples the housed components and the trigger. When the housed components are displaced, the trigger is displaced via the trigger coupling member.
    Type: Application
    Filed: November 23, 2016
    Publication date: March 16, 2017
    Inventors: Yoshitaka TAKANO, Yusuke WATANABE
  • Publication number: 20170059540
    Abstract: Provided is a gas sensor in which a protective cover has no looseness even by repetitive use. The gas sensor includes a sensor element for detecting a predetermined measurement target gas component in a measurement gas; a protective cover which protects a side of one end portion of the sensor element; and a housing which houses the sensor element. The protective cover includes a brim portion at one end portion of an outer surface of the protective cover. The brim portion is brought into contact with a contact surface provided in said housing, and is held between a swaging portion and the contact surface, the swaging portion extending from the contact surface while bending, so that the protective cover is fixed to the housing. The brim portion is tilted at a tilt angle of 5° or more and 15° or less relative to a plane vertical to a central axis of the gas sensor.
    Type: Application
    Filed: August 19, 2016
    Publication date: March 2, 2017
    Inventors: Yusuke WATANABE, Takao MURASE, Masashi YASUI
  • Publication number: 20170052142
    Abstract: A heating element 76 of a heater section includes an inner region 91, having a lower resistance per unit length than an outer region 92 at one or more temperatures in the range of 700° C. to 900° C.
    Type: Application
    Filed: August 17, 2016
    Publication date: February 23, 2017
    Inventors: Yusuke WATANABE, Takao MURASE, Masashi YASUI
  • Publication number: 20170052144
    Abstract: A heater section includes a plate-like ceramic body (a first substrate layer 1, a second substrate layer 2, and a third substrate layer 3) having a longitudinal direction (front-rear direction) and a short-length direction (left-right direction), and a heater 72 disposed within the plate-like ceramic body and including a lead section 79 and a heating section 76 connected to the lead section 79. The heating section 76 includes a straight portion 78 extending along the longitudinal direction, and a lead side curved portion 77b connected to one of the ends of the straight portion 78 closer to the lead section 79. The lead side curved portion 77b has a lower resistance per unit length than the straight portion 78 at one or more temperatures in the range of 700° C. to 900° C.
    Type: Application
    Filed: August 17, 2016
    Publication date: February 23, 2017
    Inventors: Yusuke WATANABE, Takao MURASE, Masashi YASUI
  • Publication number: 20170052143
    Abstract: The heater 72 of the heater portion includes the linear portions 78 and the bend portions 77. A resistance value per unit length of the bend portions 77 at least at a temperature within a temperature range of no less than 700° C. and no more than 900° C. is lower than a resistance value per unit length of the linear portions 78.
    Type: Application
    Filed: August 17, 2016
    Publication date: February 23, 2017
    Inventors: Yusuke WATANABE, Takao MURASE, Masashi YASUI, Rui SAKAGUCHI
  • Publication number: 20170044332
    Abstract: The present invention relates to an absorbent suitable for use in a thin sanitary material/absorbent article having a high absorbent content and not prone to gel blocking, the absorbent having excellent liquid diffusibility (e.g. SFC) and minimal decrease in absorption ratio under pressure (e.g., AAP or PUP) even when a liquid permeation enhancer is added, and to a method for manufacturing the high-performance absorbent stably during actual production. The method is a method for manufacturing a polyacrylic acid (salt)-based absorbent, having a surface-crosslinking agent addition step for adding a solution of a surface-crosslinking agent, and a liquid permeation enhancer addition step for adding a liquid permeation enhancer, the liquid permeation enhancer addition step being performed after and/or at the same time as the surface-crosslinking agent addition step, the method characterized in that a surface crosslinking step for performing heat treatment in an atmosphere having a dew point of 45° C. to 100° C.
    Type: Application
    Filed: October 19, 2016
    Publication date: February 16, 2017
    Inventors: Kazuki KIMURA, Yusuke WATANABE, Sayaka MACHIDA, Taku FUJIMOTO, Kenji KADONAGA
  • Patent number: 9567414
    Abstract: From a view point of reduction in an out of spec product after surface crosslinking, particularly, when an alkylene carbonate compound is used as a surface crosslinking agent, influence by an air temperature is great, and it is necessary to reduce ethylene glycol which is produced as a byproduct, and there is provided a process for producing a polyacrylic acid (salt)-based water absorbent resin powder, comprising a step of polymerizing an aqueous acrylic acid (salt)-based monomer solution, a step of drying the resulting polymer, an optional grinding•classifying step, and a surface crosslinking step, wherein in the surface crosslinking step, (1) a surface crosslinking agent containing an alkylene carbonate compound and a polyhydric alcohol compound is mixed into a water absorbent resin powder, the mixture is heat-reacted and, further, simultaneously with, or separately from the mixing, an ion reactive surface crosslinking agent is mixed, and/or (2) mixing treatment of mixing a surface crosslinking agent sol
    Type: Grant
    Filed: January 30, 2012
    Date of Patent: February 14, 2017
    Assignee: Nippon Shokubai Co., Ltd.
    Inventors: Kozo Nogi, Masatoshi Nakamura, Hirofumi Shibata, Koji Honda, Yusuke Watanabe, Satoshi Matsumoto, Reiko Nakatsuru, Kunihiko Ishizaki, Kazuki Kimura, Sayaka Machida
  • Patent number: D782989
    Type: Grant
    Filed: November 10, 2015
    Date of Patent: April 4, 2017
    Assignees: CITIZEN ELECTRONICS CO., LTD., CITIZEN WATCH CO., LTD.
    Inventor: Yusuke Watanabe