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).
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Patent number: 8210732Abstract: 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: GrantFiled: June 13, 2007Date of Patent: July 3, 2012Assignee: FUJIFILM CorporationInventors: Takamitsu Okumura, Toshiaki Endo
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Patent number: 8154613Abstract: 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: GrantFiled: October 18, 2006Date of Patent: April 10, 2012Assignee: Canon Kabushiki KaishaInventors: Eiichiro Ikeda, Toshiaki Endo, Takaaki Fukui
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Publication number: 20100298178Abstract: 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: ApplicationFiled: January 23, 2009Publication date: November 25, 2010Applicant: Kyodo Yushi Co., Ltd.Inventors: Toshiaki Endo, Junichi Imai, Yutaka Imai
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Patent number: 7781013Abstract: 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: GrantFiled: February 17, 2006Date of Patent: August 24, 2010Assignee: FUJIFILM CorporationInventors: Toshiaki Endo, Akihiko Takeda, Osamu Iwasaki
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Patent number: 7738054Abstract: 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: GrantFiled: February 21, 2008Date of Patent: June 15, 2010Assignee: FUJIFILM CorporationInventors: Takamitsu Okumura, Osamu Iwasaki, Toshiaki Endo
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Publication number: 20100093567Abstract: 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: ApplicationFiled: April 24, 2007Publication date: April 15, 2010Applicant: KYODO YUSHI CO., LTD.Inventors: Toshiaki Endo, Yuji Onuki, Yutaka Imai
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Publication number: 20100020568Abstract: 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: ApplicationFiled: January 21, 2008Publication date: January 28, 2010Inventors: Osamu Iwasaki, Toshiaki Endo
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Patent number: 7645048Abstract: 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: GrantFiled: November 15, 2007Date of Patent: January 12, 2010Assignee: FUJIFILM CorporationInventors: Osamu Iwasaki, Takamitsu Okumura, Toshiaki Endo
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Publication number: 20100002169Abstract: 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: ApplicationFiled: July 23, 2007Publication date: January 7, 2010Applicant: Fujifilm CorporationInventors: Masayuki Kuramitsu, Toshiaki Endo
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Publication number: 20090316072Abstract: 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: ApplicationFiled: June 13, 2007Publication date: December 24, 2009Applicant: FUJIFILM CORPORATIONInventors: Takamitsu Okumura, Toshiaki Endo
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Publication number: 20090016652Abstract: 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: ApplicationFiled: September 29, 2008Publication date: January 15, 2009Inventors: Toshiaki ENDO, Da Ming Dong, Yutaka Imai
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Publication number: 20090003742Abstract: An object of the invention is to provide a grease composition capable of keeping a good lubrication condition for a long period of time even when water has mixed therein, thereby inhibiting white structure flaking and corrosion. Another object is to provide a vehicular hub unit bearing which hardly suffers from white structure flaking and corrosion even when used in an environment where water may penetrate into it and which therefore has a long life. The invention provides a rolling bearing with, sealed up therein, a grease composition containing a waterproof film-forming additive added thereto; a grease composition for hub unit bearings, containing a base oil that comprises at least one of mineral oil and synthetic oil as the main ingredient thereof, and a thickener and a flaking inhibitor; and a vehicular hub unit bearing with the grease composition sealed up therein.Type: ApplicationFiled: January 24, 2006Publication date: January 1, 2009Applicants: NSK LTD., KYODO YUSHI CO., LTD.Inventors: Shinya Nakatani, Jun Kuraishi, Tomoaki Matsumoto, Minoru Namiki, Ryo Aida, Toshiaki Endo
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Patent number: 7471811Abstract: An image pickup apparatus is provided which performs correction of shading without performing correction of an image signal with a complicated algorithm or a large-scale correction circuit. The image pickup apparatus includes light irradiation unit that irradiates light on an object of image pickup and an image pickup element that receives reflected light or transmitted light from the object of image pickup to generate an electric signal corresponding to an amount of received light, in which a light receiving condition of a pixel of the image pickup element is changed such that shading of a signal from the image pickup element is corrected. The light receiving condition is changed by changing areas of opening portions of pixels 10-1 to 10-5 of the image pickup element, a shape of a lens provided on the opening parts, or an impurity concentration in a photoelectric conversion region of the image pickup element, or changing storage time, storing being performed through driving of the image pickup element.Type: GrantFiled: March 1, 2007Date of Patent: December 30, 2008Assignee: Canon Kabushiki KaishaInventor: Toshiaki Endo
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Publication number: 20080198300Abstract: 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: ApplicationFiled: February 21, 2008Publication date: August 21, 2008Applicant: FUJIFILM CorporationInventors: Takamitsu Okumura, Osamu Iwasaki, Toshiaki Endo
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Publication number: 20080167742Abstract: 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: ApplicationFiled: February 17, 2006Publication date: July 10, 2008Applicant: FUJIFILM CorporationInventors: Toshiaki Endo, Akihiko Takeda, Osamu Iwasaki
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Publication number: 20080137004Abstract: A parallel groove of a light guide place for accommodating a light source has, in a perpendicular cross section, a shape composed of a pair of contour lines that approach each other toward a light emitting plane, cross at a peak, and has a part where an inclination angle to a line vertical to the light emitting plane changes, and the inclination angle at a base end side far from the peak is sharper than that at a tip end side close to the peak. Thus, uniform and high brightness light can be emitted.Type: ApplicationFiled: February 7, 2006Publication date: June 12, 2008Applicant: FUJIFILM CorporationInventors: Osamu Iwasaki, Motohiko Matsushita, Takamitsu Okumura, Toshiaki Endo
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Publication number: 20080112153Abstract: 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: ApplicationFiled: November 15, 2007Publication date: May 15, 2008Applicant: FUJIFILM CorporationInventors: Osamu IWASAKI, Takamitsu Okumura, Toshiaki Endo
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Publication number: 20080103245Abstract: A method of producing an inorganic fine particle dispersion liquid, the method comprising subjecting a dispersion liquid including a water-soluble organic cationic compound, a water-soluble polyvalent metal compound, and inorganic fine particles to a dispersing process by a head-on collision high-pressure dispersing machine or an orifice-passage high-pressure dispersing machine. Also provided is an inorganic fine particle dispersion liquid and an inkjet recording medium using the same.Type: ApplicationFiled: November 11, 2005Publication date: May 1, 2008Applicant: Fujifilm CorporationInventors: Toshiaki Endo, Kozo Nagata
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Patent number: 7248288Abstract: 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: GrantFiled: June 25, 2001Date of Patent: July 24, 2007Assignee: Canon Kabushiki KaishaInventors: Eiichiro Ikeda, Toshiaki Endo, Takaaki Fukui
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Publication number: 20070147668Abstract: An image pickup apparatus is provided which performs correction of shading without performing correction of an image signal with a complicated algorithm or a large-scale correction circuit. The image pickup apparatus includes light irradiation unit that irradiates light on an object of image pickup and an image pickup element that receives reflected light or transmitted light from the object of image pickup to generate an electric signal corresponding to an amount of received light, in which a light receiving condition of a pixel of the image pickup element is changed such that shading of a signal from the image pickup element is corrected. The light receiving condition is changed by changing areas of opening portions of pixels 10-1 to 10-5 of the image pickup element, a shape of a lens provided on the opening parts, or an impurity concentration in a photoelectric conversion region of the image pickup element, or changing storage time, storing being performed through driving of the image pickup element.Type: ApplicationFiled: March 1, 2007Publication date: June 28, 2007Applicant: Canon Kabushiki KaishaInventor: Toshiaki Endo