Patents by Inventor Atsushi Kitamura

Atsushi Kitamura 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: 20210033476
    Abstract: A strain gauge includes a strain detecting unit and a temperature detecting unit that are formed on or above a flexible substrate. The strain detecting unit includes a resistor formed of material including at least one from among chromium and nickel, on or above the substrate. The resistor includes a plurality of resistive patterns that are juxtaposed; and a folded portion connected to end portions of given resistive patterns that are next to each other. A first metallic layer formed of a material of which a gauge factor is less than that of the resistor is laminated on the folded portion, and a resistance value of the first metallic layer on the folded portion is less than a resistance value of the folded portion. The temperature detecting unit is a thermocouple including a second metallic layer formed of a same material as the resistor, on or above the substrate; and a third metallic layer formed of a same material as the first metallic layer, on the second metallic layer.
    Type: Application
    Filed: January 30, 2019
    Publication date: February 4, 2021
    Inventors: Shinya TODA, Atsushi KITAMURA, Akiyo YUGUCHI
  • Publication number: 20210003378
    Abstract: A strain gauge includes a flexible substrate, and a resistor formed of material including at least one from among chromium and nickel, on or above the substrate. The substrate has an expansion coefficient in a range of from 7 ppm/K to 20 ppm/K.
    Type: Application
    Filed: September 26, 2018
    Publication date: January 7, 2021
    Inventors: Toshiaki ASAKAWA, Shinichi NIWA, Yuta AIZAWA, Atsushi KITAMURA
  • Publication number: 20200393234
    Abstract: A strain gauge includes a flexible substrate, and resistors each formed of a Cr composite film. The resistors include a first resistor formed on one side of the substrate and includes a second resistor formed on another side of the substrate. The first resistor and the second resistor are arranged such that grid directions of the first resistor and the second resistor intersect in a plan view.
    Type: Application
    Filed: November 1, 2018
    Publication date: December 17, 2020
    Inventors: Eiji MISAIZU, Shigeyuki ADACHI, Kosuke KITAHARA, Toshiaki ASAKAWA, Atsushi KITAMURA
  • Publication number: 20200393311
    Abstract: A strain gauge includes a flexible substrate, and a plurality of resistors each formed of a Cr composite film, on or above the substrate. The substrate is attached to a flexure element, the plurality of resistors including two resistors disposed at locations at which the two resistors are opposite to each other, such that the flexure element is interposed between the two resistors.
    Type: Application
    Filed: December 25, 2018
    Publication date: December 17, 2020
    Inventors: Yuta AIZAWA, Atsushi KITAMURA, Eiji MISAIZU, Akiyo YUGUCHI
  • Publication number: 20200292294
    Abstract: A strain gauge includes a flexible substrate; a functional layer formed of a metal, an alloy, or a metal compound, on one surface of the substrate; a resistor formed of material including at least one from among chromium and nickel, on one surface of the functional layer; and an insulating resin layer with which the resistor is coated.
    Type: Application
    Filed: September 26, 2018
    Publication date: September 17, 2020
    Inventors: Eiji MISAIZU, Akiyo YUGUCHI, Shigeyuki ADACHI, Toshiaki ASAKAWA, Atsushi KITAMURA
  • Patent number: 10503146
    Abstract: A control system that can adjust a period required for detecting an abnormality occurring in a control object is provided. The control system includes: feature quantity creating means that creates a feature quantity from data which is acquired from the control object based on a first parameter associated with elements defining the feature quantity; deviation acquiring means that acquires a degree of deviation between the feature quantity created by the feature quantity creating means and a group of feature quantities stored by a storage means based on a second parameter associated with a range in the group of feature quantities; abnormality detecting means that detects an abnormality occurring in the control object based on the degree of deviation acquired by the deviation acquiring means and a threshold value; and instruction means that instructs the deviation acquiring means to start execution based on an execution cycle of the deviation acquiring means.
    Type: Grant
    Filed: January 15, 2018
    Date of Patent: December 10, 2019
    Assignee: OMRON Corporation
    Inventors: Atsushi Kitamura, Takahiro Toku
  • Publication number: 20180275631
    Abstract: A control system that can adjust a period required for detecting an abnormality occurring in a control object is provided. The control system includes: feature quantity creating means that creates a feature quantity from data which is acquired from the control object based on a first parameter associated with elements defining the feature quantity; deviation acquiring means that acquires a degree of deviation between the feature quantity created by the feature quantity creating means and a group of feature quantities stored by a storage means based on a second parameter associated with a range in the group of feature quantities; abnormality detecting means that detects an abnormality occurring in the control object based on the degree of deviation acquired by the deviation acquiring means and a threshold value; and instruction means that instructs the deviation acquiring means to start execution based on an execution cycle of the deviation acquiring means.
    Type: Application
    Filed: January 15, 2018
    Publication date: September 27, 2018
    Applicant: OMRON Corporation
    Inventors: Atsushi KITAMURA, Takahiro TOKU
  • Publication number: 20180166948
    Abstract: A stator core, a stepper motor and a linear actuator allowing size reduction while maintaining a rotor diameter are provided. A stepper motor 1 comprises a rotor 20 and a stator 30, wherein the stator 30 comprises an A-phase magnetic pole part 33, a B-phase magnetic pole part 34 and a dummy magnetic pole part 38, all of which are disposed to be spaced apart from and opposing the outer circumferential surface of the rotor 20. The dummy magnetic pole part has no winding core part, and the A-phase magnetic pole part 33 and the B-phase magnetic pole part 34, which the stator 30 comprises, are disposed so that the A-phase magnetic pole part 33 and the B-phase magnetic pole part 34 are included within a minimum rectangular area R surrounding the rotor 20 when the stator 30 is viewed from a width direction X, i.e., a direction perpendicular to an axial direction P of the rotor 20.
    Type: Application
    Filed: March 28, 2017
    Publication date: June 14, 2018
    Inventors: Atsushi Ogawa, Atsushi Kitamura, Masaru Yoshii, Noriyasu Kataoka, Takako Yasui, Hideo Yamada
  • Patent number: 8697788
    Abstract: This invention seeks to provide a resin composition and a molded article which are excellent in transparency, weatherability, resistance to boiling water and resistance to molding heat, which have an internal strain reduced and which are excellent in breaking durability. This invention is a resin composition comprising (A) 100 parts by weight of a polycarbonate resin (component A), (B) 0.005 to 1 part by weight of an ester (component B) of pentaerythritol and an aliphatic carboxylic acid, (C) 0.003 to 0.2 part by weight of an epoxy compound (component C), (D) 0.01 to 1 part by weight of an ultraviolet absorbent (component D), and (E) 0.001 to 0.5 part by weight of a phosphorus stabilizer (component E), wherein the components B and the component C have a critical stress of 12 MPa or more each when they are treated at a temperature of 120° C.
    Type: Grant
    Filed: May 28, 2010
    Date of Patent: April 15, 2014
    Assignee: Teijin Chemicals, Ltd.
    Inventors: Seiichi Tanabe, Atsushi Kitamura
  • Patent number: 8237932
    Abstract: A fiber optic gyroscope includes first and second gyroscopes. The first gyroscope includes: a first light source for emitting two lights; a first optical fiber loop which includes a sensor coil structured such that an optical fiber is wound in a multilayer manner, through which the two lights travel in opposite directions, and which constitutes a laser resonant circuit with the first light source; and a first optical detector for detecting an angular velocity based on a beat frequency which is produced by the two lights. The second gyroscope includes: a second light source for emitting light; an optical distributor for dividing the light into two lights; a second optical fiber loop through which the two lights travel in opposite directions and enter both respective ends of the sensor coil; and a second optical detector for detecting an angular velocity based on a phase difference between the two lights.
    Type: Grant
    Filed: July 28, 2009
    Date of Patent: August 7, 2012
    Assignee: Minebea Co., Ltd.
    Inventor: Atsushi Kitamura
  • Patent number: 8184299
    Abstract: A semiconductor ring laser gyroscope includes: a semiconductor laser for emitting two lights from both end surfaces thereof; an optical fiber ring through which the two lights propagate in the respective opposite directions, which, in association with the semiconductor laser, constitutes a laser resonator, and which includes a sensor coil made of an optical fiber wound in a multilayer manner; and an optical detection unit for detecting a rotational angular velocity based on beat frequencies of the two lights, wherein an expression: 2?Fbeat—max<Frlg?10?Fbeat—min is satisfied in which Frlg=C/nL, where ?Fbeat—max and ?Fbeat—min are beat frequencies corresponding respectively to the upper and lower limits of an angular velocity measuring range, Frlg is a ring resonance frequency, C is a light speed, n is a refractive index of the optical fiber, and L is an overall length of the optical fiber.
    Type: Grant
    Filed: July 9, 2009
    Date of Patent: May 22, 2012
    Assignee: Minebea Co., Ltd.
    Inventors: Atsushi Kitamura, Miki Sugawara
  • Publication number: 20120095141
    Abstract: This invention seeks to provide a resin composition and a molded article which are excellent in transparency, weatherability, resistance to boiling water and resistance to molding heat, which have an internal strain reduced and which are excellent in breaking durability. This invention is a resin composition comprising (A) 100 parts by weight of a polycarbonate resin (component A), (B) 0.005 to 1 part by weight of an ester (component B) of pentaerythritol and an aliphatic carboxylic acid, (C) 0.003 to 0.2 part by weight of an epoxy compound (component C), (D) 0.01 to 1 part by weight of an ultraviolet absorbent (component D), and (E) 0.001 to 0.5 part by weight of a phosphorus stabilizer (component E), wherein the components B and the component C have a critical stress of 12 MPa or more each when they are treated at a temperature of 120° C.
    Type: Application
    Filed: May 26, 2010
    Publication date: April 19, 2012
    Inventors: Seiichi Tanabe, Atsushi Kitamura
  • Publication number: 20110304830
    Abstract: There is provided a manufacturing method of a color wheel for a projector. The method includes contacting a phosphor layer contour correcting device on a surface of a color wheel substrate, the phosphor layer contour correcting device having a concavity to form a space that patterns a desired phosphor layer contour, the length of which is constant in a radial direction; injecting phosphor additive resin into the space that is composed of a surface of the color wheel substrate and the concavity of the phosphor layer contour correcting device; maintaining the phosphor additive resin in the space; and heating the phosphor additive resin.
    Type: Application
    Filed: May 27, 2011
    Publication date: December 15, 2011
    Applicant: MINEBEA CO., LTD.
    Inventors: Hideki KATO, Atsushi KITAMURA
  • Publication number: 20110205502
    Abstract: There is provided a projector at least comprising: a light source; a color wheel; a condensing lens; a spatial light modulator; and a projection optical system, wherein the light source includes a red illuminant and a blue illuminant, and the color wheel includes a disc made of optically permeable materials, the disc being composed of a green-light generating portion, a blue-light generating portion and a blue-and-green light generating portion, the green-light generating portion and the blue-and-green light generating portion each including a phosphor layer.
    Type: Application
    Filed: February 17, 2011
    Publication date: August 25, 2011
    Applicant: MINEBEA CO., LTD.
    Inventors: Hideki KATO, Atsushi KITAMURA
  • Patent number: 7944565
    Abstract: A semiconductor ring laser gyro includes: a semiconductor laser for emitting light from each end of the gyro; at least one reflection prism comprising a plurality of reflection surfaces for forming an optical circuit, the at least one reflection prism adapted to receive and internally reflect the light emitted from the semiconductor laser; a transmissive mirror disposed at one of the plurality of reflection surfaces of the at least one reflection prism and adapted to transmit part of the light traveling clockwise and part of the light traveling counterclockwise through the optical circuit; and a beam multiplexing prism for multiplexing the light transmitted through the transmissive mirror.
    Type: Grant
    Filed: June 27, 2008
    Date of Patent: May 17, 2011
    Assignee: Minebea Co., Ltd.
    Inventor: Atsushi Kitamura
  • Patent number: 7791733
    Abstract: A semiconductor ring laser gyro comprises: a semiconductor laser for emitting light from each of both ends thereof; a splitting means for splitting and guiding the light emitted from the semiconductor laser into two axis directions; a plurality of reflecting means for reflecting the light split and guided by the splitting means into the two axis directions; two optical circuits, in each of which the plurality of reflecting means cause the light to travel in a plane and to enter an end of the semiconductor laser opposite to the end from which the light is emitted; and a blocking means for blocking light traveling in one of the two optical circuits.
    Type: Grant
    Filed: July 28, 2008
    Date of Patent: September 7, 2010
    Assignee: Minebea Co., Ltd.
    Inventor: Atsushi Kitamura
  • Patent number: 7760391
    Abstract: An image processing system is provided that includes a first-motor control apparatus (40), having a communication interface (42) connected in series with a transmission line, for obtaining a detection position of a control subject and outputting a position-detection signal, an image processing apparatus (30), having a communication interface (32) connected in series with the transmission line and a memory (34) that stores the position-detection signal, for capturing an image of a workpiece (60) and generating an image-processing signal based on image processing, and a master apparatus (10) for implementing communication control of the image processing apparatus (30) and the first-motor control apparatus (40), and in which the image processing apparatus (10) starts the image processing, in accordance with an in-bound start command, stores in the memory (32) the position-detection signal, and outputs to the master apparatus (10) the position-detection signal along with the image-processing signal.
    Type: Grant
    Filed: January 11, 2005
    Date of Patent: July 20, 2010
    Assignee: Mitsubishi Electric Corp.
    Inventors: Atsushi Kitamura, Kimio Saitou, Makoto Nishimura
  • Publication number: 20100053631
    Abstract: A fiber optic gyroscope includes first and second gyroscopes. The first gyroscope includes: a first light source for emitting two lights; a first optical fiber loop which includes a sensor coil structured such that an optical fiber is wound in a multilayer manner, through which the two lights travel in opposite directions, and which constitutes a laser resonant circuit with the first light source; and a first optical detector for detecting an angular velocity based on a beat frequency which is produced by the two lights. The second gyroscope includes: a second light source for emitting light; an optical distributor for dividing the light into two lights; a second optical fiber loop through which the two lights travel in opposite directions and enter both respective ends of the sensor coil; and a second optical detector for detecting an angular velocity based on a phase difference between the two lights.
    Type: Application
    Filed: July 28, 2009
    Publication date: March 4, 2010
    Applicant: Minebea Co., Ltd.
    Inventor: Atsushi Kitamura
  • Patent number: D860838
    Type: Grant
    Filed: July 6, 2018
    Date of Patent: September 24, 2019
    Assignee: MINEBEA MITSUMI Inc.
    Inventors: Eiji Misaizu, Akiyo Yuguchi, Shigeyuki Adachi, Toshiaki Asakawa, Atsushi Kitamura
  • Patent number: D860839
    Type: Grant
    Filed: July 6, 2018
    Date of Patent: September 24, 2019
    Assignee: MINEBEA MITSUMI Inc.
    Inventors: Eiji Misaizu, Akiyo Yuguchi, Shigeyuki Adachi, Toshiaki Asakawa, Atsushi Kitamura