Patents by Inventor Toshiaki Endo

Toshiaki Endo 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: 10005980
    Abstract: A grease is provided which has an improved inflow property of the grease into a lubrication unit and has a long life when used for bearings even under a high temperature environment. A grease composition comprising a base oil and a thickener, characterized in that the base oil contains an ester synthetic oil, the content of the ester synthetic oil is not less than 20% by mass of the total mass of the base oil and the thickener contains a diurea compound represented by the Formula (I): R1—NHCONH—R2—NHCONH—R3,??(I) wherein R2 is a C6-15 divalent aromatic hydrocarbon group, R1 and R3 are the same or different, and represent cyclohexyl or C8-22 linear or branched alkyl, and the molar ratio of cyclohexyl to the total of cyclohexyl and C8-22 linear or branched alkyl is 60 to 95%.
    Type: Grant
    Filed: April 22, 2015
    Date of Patent: June 26, 2018
    Assignee: KYODO YUSHI CO., LTD.
    Inventors: Toshiaki Endo, Yuji Onuki, Yutaka Imai
  • Patent number: 9749571
    Abstract: Provided is an imaging apparatus, including: a first and a second A/D conversion units converting signals output from a first and a second groups of columns of pixels, respectively; a first reference signal supply unit supplying, to the first A/D conversion unit, at least one of reference signals having a first and a second change rates per time; a second reference signal supply unit supplying, to the first A/D conversion unit, at least one of reference signals having a third and a fourth change rate per time; and an adjusting unit adjusting at least one of the first to fourth change rates so that at least one of a difference in change rate per time between the first and the third change rate, and a difference in change rate per time between the second and the fourth change rate is reduced.
    Type: Grant
    Filed: June 3, 2016
    Date of Patent: August 29, 2017
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Toshiaki Endo
  • Publication number: 20170209957
    Abstract: This joint processing method comprises: a friction stir welding step S2 for forming a joint 7 in a plate 5 by friction stir welding a groove 6 in the plate 5; a cold working step S4 for cold working the joint 7 under cold working conditions such that the grain size in the joint is not more than the grain size of an aluminum alloy in the groove 6 prior to the friction stir welding step S2; and a solution heat treatment step S5 for, subsequent to the cold working step S4, performing solution heat treatment of the plate 5. This joint processing method can suppress enlargement of the grains of the joint formed by friction stir welding.
    Type: Application
    Filed: September 1, 2015
    Publication date: July 27, 2017
    Inventors: Hiroaki SATO, Hiroki AKAMATSU, Toshiaki ENDO
  • Patent number: 9528073
    Abstract: The invention provides a lubricant composition capable of favorably preventing the members from causing hydrogen embrittlement-induced flaking when the members are operated under the conditions where the oil film is thin (namely, the metal surfaces considerably come in contact with each other). The lubricant composition used for lubricating the steel mechanical members operated by a rolling motion or rolling-sliding motion is characterized by containing a base oil and additives, the additives including an organic sulfonate rust inhibitor and a load carrying additive.
    Type: Grant
    Filed: January 23, 2009
    Date of Patent: December 27, 2016
    Assignee: KYODO YUSHI CO., LTD.
    Inventors: Toshiaki Endo, Junichi Imai, Yutaka Imai
  • Publication number: 20160373675
    Abstract: Provided is an imaging apparatus, including: a first and a second A/D conversion units converting signals output from a first and a second groups of columns of pixels, respectively; a first reference signal supply unit supplying, to the first A/D conversion unit, at least one of reference signals having a first and a second change rates per time; a second reference signal supply unit supplying, to the first A/D conversion unit, at least one of reference signals having a third and a fourth change rate per time; and an adjusting unit adjusting at least one of the first to fourth change rates so that at least one of a difference in change rate per time between the first and the third change rate, and a difference in change rate per time between the second and the fourth change rate is reduced.
    Type: Application
    Filed: June 3, 2016
    Publication date: December 22, 2016
    Inventor: Toshiaki Endo
  • Patent number: 9376644
    Abstract: The lubricant composition of this invention comprises a base oil and an additive, which is at least one selected from the group consisting of an organic sulfonate, a carboxylate, a thiocarbamate and a thiophosphoric acid ester salt. The lubricant composition can effectively suppress hydrogen embrittlement-caused flaking of an element, such as a rolling bearing, a sliding bearing, a gear, a ball thread, a linear guide, a linear bearing, a cam and various joints in a high concentration hydrogen environment. The invention provides also a rolling bearing, a sliding bearing, a gear, a ball thread, a linear guide, a linear bearing, a cam and various joints using the lubricant composition.
    Type: Grant
    Filed: June 23, 2014
    Date of Patent: June 28, 2016
    Assignee: KYODO YUSHI CO., LTD.
    Inventors: Toshiaki Endo, Da Ming Dong, Yutaka Imai
  • Publication number: 20160006917
    Abstract: An imaging device includes a pixel including a first photoelectric conversion element, a second photoelectric conversion element, and a microlens commonly provided for the first and the second photoelectric conversion elements, a read-out circuit configured to reset the first and the second photoelectric conversion elements, read out a first focal point detection signal based on signal charges generated in the first photoelectric conversion element, and read out, after the first focal point detection signal is read out, a second focal point detection signal based on signal charges generated in at least the second photoelectric conversion element, and a correction unit configured to correct at least one of the first and the second focal point detection signals in accordance with a time difference between a timing of the read-out of the first focal point detection signal and a timing of the read-out of the second focal point detection signal.
    Type: Application
    Filed: June 24, 2015
    Publication date: January 7, 2016
    Inventor: Toshiaki Endo
  • Publication number: 20150225668
    Abstract: A grease is provided which has an improved inflow property of the grease into a lubrication unit and has a long life when used for bearings even under a high temperature environment. A grease composition comprising a base oil and a thickener, characterized in that the base oil contains an ester synthetic oil, the content of the ester synthetic oil is not less than 20% by mass of the total mass of the base oil and the thickener contains a diurea compound represented by the Formula (I): R1—NHCONH—R2—NHCONH—R3,??(I) wherein R2 is a C6-15 divalent aromatic hydrocarbon group, R1 and R3 are the same or different, and represent cyclohexyl or C8-22 linear or branched alkyl, and the molar ratio of cyclohexyl to the total of cyclohexyl and C8-22 linear or branched alkyl is 60 to 95%.
    Type: Application
    Filed: April 22, 2015
    Publication date: August 13, 2015
    Inventors: Toshiaki ENDO, Yuji ONUKI, Yutaka IMAI
  • Patent number: 9085744
    Abstract: A grease is provided which has an improved inflow property of the grease into a lubrication unit and has a long life when used for bearings even under a high temperature environment. A grease composition comprising a base oil and a thickener, characterized in that the base oil contains an ester synthetic oil, the content of the ester synthetic oil is not less than 20% by mass of the total mass of the base oil and the thickener contains a diurea compound represented by the Formula (I): R1—NHCONH—R2—NHCONH—R3,??(I) wherein R2 is a C6-15 divalent aromatic hydrocarbon group, R1 and R3 are the same or different, and represent cyclohexyl or C8-22 linear or branched alkyl, and the molar ratio of cyclohexyl to the total of cyclohexyl and C8-22 linear or branched alkyl is 60 to 95%.
    Type: Grant
    Filed: April 24, 2007
    Date of Patent: July 21, 2015
    Assignee: KYODO YUSHI CO., LTD.
    Inventors: Toshiaki Endo, Yuji Onuki, Yutaka Imai
  • Publication number: 20140303055
    Abstract: The lubricant composition of this invention comprises a base oil and an additive, which is at least one selected from the group consisting of an organic sulfonate, a carboxylate, a thiocarbamate and a thiophosphoric acid ester salt. The lubricant composition can effectively suppress hydrogen embrittlement-caused flaking of an element, such as a rolling bearing, a sliding bearing, a gear, a ball thread, a linear guide, a linear bearing, a cam and various joints in a high concentration hydrogen environment. The invention provides also a rolling bearing, a sliding bearing, a gear, a ball thread, a linear guide, a linear bearing, a cam and various joints using the lubricant composition.
    Type: Application
    Filed: June 23, 2014
    Publication date: October 9, 2014
    Inventors: Toshiaki ENDO, Da Ming DONG, Yutaka IMAI
  • Patent number: 8419264
    Abstract: A planar lighting device includes: a light source that emits light; and a light guide plate disposed opposite the light source in which light emitted from the light source enters and is emitted therefrom as planar light. The light guide plate includes a flat light exit plane that emits the planar light, a light entrance plane that is formed opposite the light source and includes one side of the light exit plane, an end plane that includes the opposite side to the one side of the light exit plane, and a rear plane formed on the side opposite the light exit plane. The rear plane includes a first rear plane that is joined with the end plane and is smoothly inclined to said light exit plane so that the distance from the light exit plane increases as the distance from the end plane increases, and a second rear plane.
    Type: Grant
    Filed: January 21, 2008
    Date of Patent: April 16, 2013
    Assignee: FUJIFILM Corporation
    Inventors: Osamu Iwasaki, Toshiaki Endo
  • Patent number: 8251562
    Abstract: A unitary light guide plate includes a light exit plane, a thick portion located substantially on a center portion of the light exit plane, thin end portions formed on both sides of the thick portion, a half portion of a parallel groove formed on a backside of the light exit plane to accommodate linearly arranged light sources, inclined back portions arranged so as to become thinner from the thick portion to the thin end portions, and scattering means for scattering light entering from the light sources accommodated in the parallel groove into the thin end portions and propagated through the inclined back portions toward the thick portion. A light guide plate unit has two or more of the unitary light guide plates coupled together in such a way that respective light exit planes are arranged to form a same plane.
    Type: Grant
    Filed: July 23, 2007
    Date of Patent: August 28, 2012
    Assignee: FUJIFILM Corporation
    Inventors: Masayuki Kuramitsu, Toshiaki Endo
  • Patent number: 8210732
    Abstract: A light guide plate includes a light exit plane and a light entrance end, is formed into a shape having a thickness in a direction orthogonal to the light exit plane, the thickness being gradually larger as being farther from the light entrance end, and contains scattering particles dispersed therein, and a light guide plate assembly includes the light guide plate and a prism sheet which includes a plurality of prisms arrayed in parallel with each other, and is arranged so that vertex angles of the prisms face the light exit plane. The scattering particles scatter light entering from the light entrance end and propagating in the light guide plate, which satisfy Expressions (1) and (2) below, and vertex angles of the prisms of the prism satisfy Expression (3) and (4) below. 1.1??NPLGKC?8.2??(1) 0.005?KC?0.
    Type: Grant
    Filed: June 13, 2007
    Date of Patent: July 3, 2012
    Assignee: FUJIFILM Corporation
    Inventors: Takamitsu Okumura, Toshiaki Endo
  • Patent number: 8154613
    Abstract: In a signal processing apparatus for processing an image signal, a hue difference between adjoining pixels is detected by a color image edge detector, and an aperture control main gain circuit amplifies a luminance signal using a gain determined on the basis of the hue difference detected by the color image edge detector to enhance an edge pixel of an image.
    Type: Grant
    Filed: October 18, 2006
    Date of Patent: April 10, 2012
    Assignee: Canon Kabushiki Kaisha
    Inventors: Eiichiro Ikeda, Toshiaki Endo, Takaaki Fukui
  • Publication number: 20100298178
    Abstract: The invention provides a lubricant composition capable of favorably preventing the members from causing hydrogen embrittlement-induced flaking when the members are operated under the conditions where the oil film is thin (namely, the metal surfaces considerably come in contact with each other). The lubricant composition used for lubricating the steel mechanical members operated by a rolling motion or rolling-sliding motion is characterized by containing a base oil and additives, the additives including an organic sulfonate rust inhibitor and a load carrying additive.
    Type: Application
    Filed: January 23, 2009
    Publication date: November 25, 2010
    Applicant: Kyodo Yushi Co., Ltd.
    Inventors: Toshiaki Endo, Junichi Imai, Yutaka Imai
  • Patent number: 7781013
    Abstract: A transparent support and plural types of particle groups having different particle size distributions each other that are to be contained in a light diffusing layer are provided. a blending ratio of the plural types of particle groups is computed such that a space packing ratio of respective particles in the light diffusing layer becomes a specified space packing ratio and the plural types of particle groups having been blended in the computed blending ratio are dispersed on the transparent support, whereby the light diffusing layer is formed on the transparent support. Thus, a diffusion film can be produced simply and at low cost.
    Type: Grant
    Filed: February 17, 2006
    Date of Patent: August 24, 2010
    Assignee: FUJIFILM Corporation
    Inventors: Toshiaki Endo, Akihiko Takeda, Osamu Iwasaki
  • Patent number: 7738054
    Abstract: The liquid crystal display device with a simple configuration is capable of emitting light with a desired color temperature, achieving high light use efficiency, and displaying high quality images. The liquid crystal display device includes a planar lighting device and a liquid crystal display panel. The planar lighting device includes a light source having LED chips for emitting blue light, a transparent light guide plate having a light entrance plane admitting light emitted by the light source and a light exit plane emitting planar light, and a fluorescent member disposed between the light emission plane and the light entrance plane and having one or more fluorescent substance coated areas for emitting white light by converting blue light from the light source into white light and one or more blue light passing areas passing blue light as blue light. The liquid crystal display panel essentially includes red, green and blue filters.
    Type: Grant
    Filed: February 21, 2008
    Date of Patent: June 15, 2010
    Assignee: FUJIFILM Corporation
    Inventors: Takamitsu Okumura, Osamu Iwasaki, Toshiaki Endo
  • Publication number: 20100093567
    Abstract: A grease is provided which has an improved inflow property of the grease into a lubrication unit and has a long life when used for bearings even under a high temperature environment. A grease composition comprising a base oil and a thickener, characterized in that the base oil contains an ester synthetic oil, the content of the ester synthetic oil is not less than 20% by mass of the total mass of the base oil and the thickener contains a diurea compound represented by the Formula (I): R1—NHCONH—R2—NHCONH—R3,??(I) wherein R2 is a C6-15 divalent aromatic hydrocarbon group, R1 and R3 are the same or different, and represent cyclohexyl or C8-22 linear or branched alkyl, and the molar ratio of cyclohexyl to the total of cyclohexyl and C8-22 linear or branched alkyl is 60 to 95%.
    Type: Application
    Filed: April 24, 2007
    Publication date: April 15, 2010
    Applicant: KYODO YUSHI CO., LTD.
    Inventors: Toshiaki Endo, Yuji Onuki, Yutaka Imai
  • Publication number: 20100020568
    Abstract: It is an object to provide a planar lighting device that is a thin and light in weight, that emits light without luminous unevenness and that is capable of achieving increased dimensions.
    Type: Application
    Filed: January 21, 2008
    Publication date: January 28, 2010
    Inventors: Osamu Iwasaki, Toshiaki Endo
  • Patent number: 7645048
    Abstract: The planar lighting device includes a light source having at least one LED chip for emitting blue light through a light emission face, a transparent light guide plate having at least one light entrance plane through which light emitted by the light source is admitted and a light exit plane through which the light admitted through the at least one light entrance plane is emitted as planar light, and a fluorescent member disposed between the light emission face and each of the at least one light entrance plane and having a fluorescent substance coated area for emitting white light by converting the blue light from the light source into the white light and blue light passing areas through which the blue light from the light source is allowed to pass as the blue light.
    Type: Grant
    Filed: November 15, 2007
    Date of Patent: January 12, 2010
    Assignee: FUJIFILM Corporation
    Inventors: Osamu Iwasaki, Takamitsu Okumura, Toshiaki Endo