Patents by Inventor Keiichi Sato

Keiichi Sato 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: 20170357102
    Abstract: A lens drive apparatus includes a damper compound that is disposed between at least one protrusion and a fixed member and that suppresses undesired resonance of an auto-focusing lens driving section in a direction of an optical axis. The at least one protrusion protrudes from a magnet holder in the direction of the optical axis toward the fixed member and is inserted into at least one hole of a leaf spring provided to the auto-focusing lens driving section.
    Type: Application
    Filed: August 29, 2017
    Publication date: December 14, 2017
    Applicant: MITSUMI ELECTRIC CO., LTD.
    Inventors: Keiichi SATO, Makoto ARIJI, Masayoshi SUGAWARA, Akihiro MORIYA
  • Patent number: 9778481
    Abstract: A lens drive apparatus includes an image stabilizer portion moves an auto-focusing lens driving portion in first and second directions orthogonal to an optical axis and perpendicular to each other, and the image stabilizer portion includes a fixed member disposed apart from the auto-focusing lens driving portion in a direction of the optical axis, a plurality of suspension wires each comprising an end fixed to the fixed member at an outer region thereof, a narrowing portion that is disposed between the fixed member and the auto-focusing lens driving portion and that narrows part of a gap between the fixed member and the auto-focusing lens driving portion, and a damper compound that is disposed at the narrowed part of the gap between the fixed member and the auto-focusing lens driving portion and that suppress undesired resonance in the direction of the optical axis of the auto-focusing lens driving portion.
    Type: Grant
    Filed: August 21, 2015
    Date of Patent: October 3, 2017
    Assignee: MITSUMI ELECTRIC CO., LTD.
    Inventors: Keiichi Sato, Makoto Ariji, Masayoshi Sugawara, Akihiro Moriya
  • Patent number: 9617491
    Abstract: A coal deactivation treatment device for deactivating of coal by means of a treatment gas that is a mixture of air and nitrogen gas is provided with, among other things: a treatment column inside of which coal flows from the top to the bottom; treatment gas feed means, and the like, for feeding treatment gas to the inside of the treatment column; humidifying heaters for heating and humidifying the treatment gas such that the treatment gas fed to the inside of the treatment column can maintain a relative humidity of 35% or greater, even at 95° C.; a temperature sensor and a control device for adjusting the temperature inside the treatment column such that the inside of the treatment column is maintained at a relative humidity of 35% or greater and a temperature of 95° C. or lower.
    Type: Grant
    Filed: December 21, 2012
    Date of Patent: April 11, 2017
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Takeshi Kaneko, Keiichi Nakagawa, Setsuo Omoto, Keiichi Sato, Junji Asahara
  • Publication number: 20160304977
    Abstract: Provided is a device for producing partially reduced iron, with which partially reduced iron having a prescribed reduction ratio can be produced efficiently. The present invention is equipped with: CO sensors that detect the carbon monoxide concentration in an exhaust gas; an O2 sensor that detects the oxygen concentration in an exhaust gas; an exhaust gas circulation device that adjusts the circulating amount of the exhaust gas supplied to a reduction furnace main body, and an air feed device that adjusts the amount of air that being fed; and a control device that controls these devices. The control devices on the basis of the carbon monoxide concentration in the exhaust gas as detected by the CO sensor and the oxygen concentration in the exhaust gas as detected by the O2 sensor.
    Type: Application
    Filed: December 11, 2014
    Publication date: October 20, 2016
    Applicant: PRIMETALS TECHNOLOGIES JAPAN, LTD.
    Inventors: Susumu KAMIKAWA, Hideaki MIZUKI, Keiichi SATO, Hideki ITOU, Khanhson PHAM
  • Publication number: 20160296404
    Abstract: A physical assistive robotic device may include a frame including an upright support member, a lateral member slidably engaged with the upright support member, a handle slidably engaged with the lateral member, an elevation actuator coupled to the upright support member and the lateral member, and a lateral actuator coupled to the lateral member and the handle. The elevation actuator translates the lateral member and the lateral actuator translates the handle to transition a user between a standing position and a non-standing position.
    Type: Application
    Filed: June 22, 2016
    Publication date: October 13, 2016
    Applicants: Toyota Motor Engineeirng & Manufacturing North America, Inc., Illinois Institute of Technology
    Inventors: Yasuhiro Ota, Masaru Ryumae, Keiichi Sato, Shin Sano
  • Patent number: 9403344
    Abstract: A water-repellent film is formed on a first joint surface of a first member that contains any one of a macromolecular material, a metallic material, and an inorganic material. The water-repellent film is subjected to an activation treatment, and is thereby converted into a film having a high hydrophilicity and a nylon 6 contact angle of less than 25°. A second joint surface of a second member that contains at least a thermoplastic resin, which differs from the macromolecular material, is placed on the first joint surface having the film, whereupon the second member is heated and melted. Then, the molten second member is cooled and solidified in order to bond the first joint surface and the second joint surface.
    Type: Grant
    Filed: October 14, 2013
    Date of Patent: August 2, 2016
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Hiroshi Akita, Keiichi Sato, Shinichi Kuroda, Takahiko Kawai
  • Patent number: 9381131
    Abstract: A physical assistive robotic device may include a frame including an upright support member, a lateral member slidably engaged with the upright support member, a handle slidably engaged with the lateral member, an elevation actuator coupled to the upright support member and the lateral member, and a lateral actuator coupled to the lateral member and the handle. The elevation actuator translates the lateral member and the lateral actuator translates the handle to transition a user between a standing position and a non-standing position.
    Type: Grant
    Filed: January 10, 2013
    Date of Patent: July 5, 2016
    Assignees: Toyota Motor Engineering & Manufacturing North America, Inc., Illinois Institute of Technology
    Inventors: Yasuhiro Ota, Masaru Ryumae, Keiichi Sato, Shin Sano
  • Patent number: 9314990
    Abstract: Linking parts are formed on one end of a first resin composite member and on one end of a second resin composite member in order to bond the ends together. For example, the linking parts may be wavy parts containing concave portions and convex portions. In this case, the wavy parts initially are heated and softened. Then, in a molding unit, respective pairs of confronting convex portions are overlapped with each other, and respective pairs of confronting concave portions are utilized to form a non-overlapping space. The overlapped convex portions are pressed and crushed, such that a base thermoplastic resin and fibers contained therein flow toward the non-overlapping space. Thereafter, the thermoplastic resin is cooled and hardened, whereby the first resin composite member and the second resin composite member are bonded integrally to obtain a resin composite structure.
    Type: Grant
    Filed: March 10, 2014
    Date of Patent: April 19, 2016
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Keiichi Sato, Daiya Yamashita, Hiroshi Kato, Toshiaki Fujii
  • Publication number: 20160104608
    Abstract: [Object] To provide: an In—Ce—O-based sputtering target capable of suppressing nodules and abnormal discharge over a long period, even though the Ce content based on an atomic ratio of Ce/(In+Ce) is 0.16 to 0.40, at which a high-refractive-index film can be obtained; and a method for producing the In—Ce—O-based sputtering target. [Solving Means] The sputtering target is an In—Ce—O-based sputtering target which is made of an In—Ce—O-based oxide sintered body containing indium oxide as a main component and cerium, and which is used in producing a transparent conductive film having a refractive index of 2.1 or more. The target is characterized in that the Ce content based on the atomic ratio of Ce/(In+Ce) is 0.16 to 0.40, and that cerium oxide particles having a particle diameter of 5 ?m or less are dispersed in the In—Ce—O-based oxide sintered body.
    Type: Application
    Filed: March 25, 2014
    Publication date: April 14, 2016
    Applicant: SUMITOMO METAL MINING CO., LTD.
    Inventor: Keiichi SATO
  • Publication number: 20160091818
    Abstract: There is provided an optical scanning device and an image forming apparatus including the optical scanning device. The optical scanning device includes an optical box containing light source units, a rotating polygon mirror, and a motor. In order to prevent the entire optical box from being deformed by deformation occurring in the installation region due to heat of the driving unit, the optical box includes a connection region between a second sidewall and an installation region where a driving unit is installed. The optical box further includes regions provided next to the connection region and having heights different from each other. A concave portion is formed in the connection region.
    Type: Application
    Filed: December 8, 2015
    Publication date: March 31, 2016
    Inventors: Hitoshi Iwai, Keiichi Sato, Jun Ogata
  • Patent number: 9298017
    Abstract: A lens holder driving device includes an auto-focusing lens holder driving portion moving a lens holder holding a lens barrel along an optical axis, and an image stabilizer portion stabilizing image blurred by moving the auto-focusing lens holder driving portion in first and second directions which are orthogonal to the optical axis and which are perpendicular to each other. The image stabilizer portion includes: a fixed portion disposed apart from the auto-focusing lens holder driving portion in the direction of the optical axis; a plurality of suspension wires having first end portions fixed to the fixed portion at outer regions thereof, extending along the optical axis, having second end portions fixed to the auto-focusing lens holder driving portion, and swingably supporting the auto-focusing lens holder driving portion in the first direction and the second direction; and a fracture preventing member preventing the suspension wires from fracturing.
    Type: Grant
    Filed: April 29, 2015
    Date of Patent: March 29, 2016
    Assignee: Mitsumi Electric Co., Ltd.
    Inventors: Masayoshi Sugawara, Akihiro Moriya, Keiichi Sato, Makoto Ariji, Satoshi Ajiki
  • Patent number: 9290711
    Abstract: The coal deactivation apparatus including: a separating device that separates out a portion of the beneficiated coal deactivated in the main treatment apparatus; a main evaluation apparatus into which the sample of the beneficiated coal separated out by the separating apparatus is supplied; a blower and heater that supply air at the evaluation temperature to the main evaluation apparatus; a temperature sensor that detects the temperature of the air that has heat-treated the sample in the main evaluation apparatus; and a control unit that, when the temperature of the air is at or below the lower limit on the basis of information from the temperature sensor, determines whether or not the temperature of the process gas is at or below the lower limit and if the process gas temperature exceeds the lower limit, controls the heater to reduce the temperature of the process gas by a prescribed value.
    Type: Grant
    Filed: November 25, 2011
    Date of Patent: March 22, 2016
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Keiichi Sato, Keiji Tanizaki, Setsuo Omoto
  • Patent number: 9279065
    Abstract: A release sheet comprising a base material and a release agent layer formed on at least one surface of the base material by using a release agent composition; the release agent composition contains a first polydimethylsiloxane having at least two alkenyl groups in one molecule and a second polydimethylsiloxane having at least two hydrosilyl groups in one molecule; the release agent composition contains 0.40 to 5.25 mmol of the alkenyl groups and 7.00 to 120.00 mmol of the hydrosilyl groups in a total of 30 g of the first polydimethylsiloxane and the second polydimethylsiloxane; and a molar ratio (b/a) of the hydrosilyl groups (b) to the alkenyl groups (a) is 3.0 to 70.0. Consequently, it is possible to suppress the peeling force from increasing even when the release agent layer of the release sheet is exposed to the air for a long time.
    Type: Grant
    Filed: December 20, 2012
    Date of Patent: March 8, 2016
    Assignee: LINTEC CORPORATION
    Inventors: Keiichi Sato, Tomomi Fukaya
  • Patent number: 9278406
    Abstract: Mash seam welding is performed to weld metal plates with thicknesses of 2 mm or more to stabilize the strength of a joint portion, reduce uneven parts of the joint portion, and ensure high strength and reliability of the joint portion. First, two metal plates, clamped with first and second clamping devices, are placed to overlap each other at their end portions. The overlapping portions (L) of the metal plates are pressed together with a pair of upper and lower electrode wheels while welding currents flow to continuously weld the overlapping portions (L) and join the metal plates. The pressing forces applied to the electrode wheels are controlled so that upper and lower welding forces acting upon the overlapping portions are equal to each other during the time when the overlapping portions are continuously welded.
    Type: Grant
    Filed: September 24, 2010
    Date of Patent: March 8, 2016
    Assignee: PRIMETALS TECHNOLOGIES JAPAN, INC.
    Inventors: Shinichi Kaga, Mitsuru Onose, Noriaki Tominaga, Takehiko Saito, Yasutsugu Yoshimura, Hirotomo Tagata, Keiichi Sato
  • Patent number: 9273262
    Abstract: Provided is a green pellet (10) which comprises: an inner core layer (11) containing an iron oxide-containing starting material, a carbonaceous material for reduction, and a slag-forming agent; and a coating layer (12) disposed so as to encapsulate the surface of the inner core layer (11), wherein the coating layer (12) is formed from a protective layer (12a), which is disposed so as to encapsulate the surface of the inner core layer (11) and which contains an inorganic compound (includes an alkali metal oxide) having a melting point that is 750°C. or greater but less than 1100°C., and a combustion layer (12b ), which is disposed so as to encapsulate the surface of the protective layer (12a) and which contains the carbonaceous material.
    Type: Grant
    Filed: June 16, 2010
    Date of Patent: March 1, 2016
    Assignee: PRIMETALS TECHNOLOGIES JAPAN, LTD.
    Inventors: Susumu Kamikawa, Hiroshi Nakajima, Keiichi Sato, Khanhson Pham
  • Patent number: 9239535
    Abstract: There is provided an optical scanning device and an image forming apparatus including the optical scanning device. The optical scanning device includes an optical box containing light source units, a rotating polygon mirror, and a motor. In order to prevent the entire optical box from being deformed by deformation occurring in the installation region due to heat of the driving unit, the optical box includes a connection region between a second sidewall and an installation region where a driving unit is installed. The optical box further includes regions provided next to the connection region and having heights different from each other. A concave portion is formed in the connection region.
    Type: Grant
    Filed: July 21, 2014
    Date of Patent: January 19, 2016
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hitoshi Iwai, Keiichi Sato, Jun Ogata
  • Patent number: 9227382
    Abstract: A release sheet comprising a base material and a release agent layer formed on at least one surface of the base material, wherein: the release agent layer is formed by using a release agent composition; the release agent composition contains a first polydimethylsiloxane having at least two alkenyl groups in one molecule and a second polydimethylsiloxane having at least two hydrosilyl groups in one molecule; the release agent composition contains 10.00 to 16.00 mmol of the alkenyl groups and 40.00 to 145.00 mmol of the hydrosilyl groups in a total of 30 g of the first polydimethylsiloxane and the second polydimethylsiloxane; and a molar ratio (b/a) of the hydrosilyl groups (b) to the alkenyl groups (a) is 2.0 to 15.0. According to the release sheet, it is possible to suppress the peeling force from increasing even when the release agent layer of the release sheet is exposed to the air for a long time.
    Type: Grant
    Filed: December 20, 2012
    Date of Patent: January 5, 2016
    Assignee: LINTEC CORPORATION
    Inventors: Keiichi Sato, Tomomi Fukaya
  • Publication number: 20150355477
    Abstract: A lens drive apparatus includes an image stabilizer portion moves an auto-focusing lens driving portion in first and second directions orthogonal to an optical axis and perpendicular to each other, and the image stabilizer portion includes a fixed member disposed apart from the auto-focusing lens driving portion in a direction of the optical axis, a plurality of suspension wires each comprising an end fixed to the fixed member at an outer region thereof, a narrowing portion that is disposed between the fixed member and the auto-focusing lens driving portion and that narrows part of a gap between the fixed member and the auto-focusing lens driving portion, and a damper compound that is disposed at the narrowed part of the gap between the fixed member and the auto-focusing lens driving portion and that suppress undesired resonance in the direction of the optical axis of the auto-focusing lens driving portion.
    Type: Application
    Filed: August 21, 2015
    Publication date: December 10, 2015
    Inventors: Keiichi SATO, Makoto ARIJI, Masayoshi SUGAWARA, Akihiro MORIYA
  • Publication number: 20150309330
    Abstract: A lens holder driving device includes an auto-focusing lens holder driving portion moving a lens holder holding a lens barrel along an optical axis, and an image stabilizer portion stabilizing image blurred by moving the auto-focusing lens holder driving portion in first and second directions which are orthogonal to the optical axis and which are perpendicular to each other. The image stabilizer portion includes: a fixed portion disposed apart from the auto-focusing lens holder driving portion in the direction of the optical axis; a plurality of suspension wires having first end portions fixed to the fixed portion at outer regions thereof, extending along the optical axis, having second end portions fixed to the auto-focusing lens holder driving portion, and swingably supporting the auto-focusing lens holder driving portion in the first direction and the second direction; and a fracture preventing member preventing the suspension wires from fracturing.
    Type: Application
    Filed: April 29, 2015
    Publication date: October 29, 2015
    Inventors: Masayoshi SUGAWARA, Akihiro MORIYA, Keiichi SATO, Makoto ARIJI, Satoshi AJIKI
  • Patent number: 9163879
    Abstract: A partially-reduced iron producing apparatus includes: an exhaust gas circulating device which supplies an oxygen-containing gas to raw-material pellets to be heated by a heat of ignition raw-material pellets, the oxygen-containing gas made by circulating part of an exhaust gas discharged from the raw-material pellets by use of the heat of the ignition raw-material pellets heated in a heating furnace and mixing the discharged exhaust gas with air; and a liquid-tar separating device which is provided in the exhaust gas circulating device and which separates a tar component in the exhaust gas from the exhaust gas as a liquid tar.
    Type: Grant
    Filed: September 20, 2013
    Date of Patent: October 20, 2015
    Assignee: PRIMETALS TECHNOLOGIES JAPAN, LTD.
    Inventors: Susumu Kamikawa, Hideaki Mizuki, Hideki Ito, Keiichi Sato, Khanhson Pham