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: 7217013Abstract: An electric light for work comprises an electric light body having a grip part formed in the shape of a stick; an engagement member formed in the shape of a C letter, one of fixing and engaging fixedly and detachably with a back end of the grip part of the electric light body; and a support stand attached via a rotatable member which can rotate more than 120 degrees with adding the power more than predetermined quantity to a back end portion of a approximately center part of the engagement member, capable of adhering fixedly to the metal surface by magnetism so that the grip part of the electric light body adheres rotatably to the metal face at 90 degrees or more, and the electric light for work an be used under such condition.Type: GrantFiled: June 9, 2003Date of Patent: May 15, 2007Inventor: Toshiaki Endo
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Publication number: 20070085918Abstract: 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: ApplicationFiled: October 18, 2006Publication date: April 19, 2007Inventors: Eiichiro Ikeda, Toshiaki Endo, Takaaki Fukui
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Patent number: 7129985Abstract: A sensor integrated on a single semiconductor substrate comprises a sensor block including a pixel unit including a plurality of pixels each including a light-receiving element and scanning units for selecting a pixel of the pixel unit, and a signal processing block for processing a signal output from the sensor block. To reduce noise and power consumption, the power supply voltage or the amplitude or high level of a clock signal used in the sensor block is higher than the power supply voltage of the signal processing block.Type: GrantFiled: November 22, 1999Date of Patent: October 31, 2006Assignee: Canon Kabushiki KaishaInventors: Toru Koizumi, Shigetoshi Sugawa, Isamu Ueno, Katsuhisa Ogawa, Tetsunobu Kochi, Katsuhito Sakurai, Toshiaki Endo, Hiroki Hiyama
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Patent number: 7053028Abstract: Disclosed is a grease that provides a prolonged lubricating lifetime to applied portions for use at high temperature, and a grease sealed bearing in which the bearing is sealed with this grease. This grease comprises a base oil, a thickener, and an amide-based wax. The amide-based wax is contained in an amount of 0.5 to 10% by weight based on the total amount of the grease, has a melting point of 80° C. or more, and an antioxidative ability to the base oil. The base oil is at least one base oil selected from the group consisting of an ether-based oil, an ester-based oil and a synthetic hydrocarbon oil, and has kinematic viscosity of 20 to 150 mm2/s at 40° C. The thickener is an urea-based thickener, and is contained in an amount of 5 to 30% by weight based on the total amount of the grease.Type: GrantFiled: September 23, 2002Date of Patent: May 30, 2006Assignees: NTN Corporation, Kyodo Yushi Co. Ltd.Inventors: Takayuki Kawamura, Hidenobu Mikami, Mitsunari Asao, Yuji Oonuki, Toshiaki Endo
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Patent number: 7030920Abstract: A selector circuit having a shift register for sequentially outputting a select pulse and a decoder circuit for designating a desired block of a plurality of blocks divided from the scan circuit, so as to allow the scan circuit to start to output the select pulse from a head position in the designated desired block.Type: GrantFiled: August 1, 2000Date of Patent: April 18, 2006Assignee: Canon Kabushiki KaishaInventors: Hidetoshi Hayashi, Seiji Hashimoto, Osamu Yuki, Toshiaki Endo
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Patent number: 6877880Abstract: An electric light for work comprises a support stand, capable of being magnetically fixed to a metal surface; a reflector, formed in the shape of a semicircle arc, attached rotatably to the support stand in the vertical direction at a predetermined range; and a lighting device attached so that a luminous body is arranged into the reflector, illuminated the luminous body by a battery attached to the reflector so that the electric light can be illuminated in the place that it is narrow and entered spaces and can be magnetically fixed anywhere when it is metal material, and can be performed to repair with both hands illuminating a work place.Type: GrantFiled: December 13, 2002Date of Patent: April 12, 2005Inventor: Toshiaki Endo
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Patent number: 6853748Abstract: Adaptive luminance interpolation processing in a signal processing apparatus for acquiring an image signal from an image sensing element having color filters and processing the image signal is described. An adaptive luminance interpolation circuit determines the correlation of the image signal in the vertical and horizontal directions, and interpolates the luminance signal of the image signal in a direction in which the correlation is higher. The chroma signal of the image signal is interpolated regardless of the correlation direction. The chroma signal is processed by a color conversion matrix circuit for performing signal processing of suppressing a false color in the vertical direction or a color conversion matrix circuit for performing signal processing of suppressing a false color in the horizontal direction, switched by a matrix switching circuit based on the interpolation direction.Type: GrantFiled: May 11, 2001Date of Patent: February 8, 2005Assignee: Canon Kabushiki KaishaInventors: Toshiaki Endo, Eiichiro Ikeda, Takaaki Fukui
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Publication number: 20040246712Abstract: An electric light for work comprises an electric light body having a grip part formed in the shape of a stick; an engagement member formed in the shape of a C letter, one of fixing and engaging fixedly and detachably with a back end of the grip part of the electric light body; and a support stand attached via a rotatable member which can rotate more than 120 degrees with adding the power more than predetermined quantity to a back end portion of a approximately center part of the engagement member, capable of adhering fixedly to the metal surface by magnetism so that the grip part of the electric light body adheres rotatably to the metal face at 90 degrees or more, and the electric light for work an be used under such condition.Type: ApplicationFiled: June 9, 2003Publication date: December 9, 2004Inventor: Toshiaki Endo
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Publication number: 20040114376Abstract: An electric light for work comprises a support stand, capable of absorbing and fixing to a metal surface magnetically; a reflector, formed in the shape of a semicircle arc, attached rotatably to the support stand in the vertical direction at a predetermined range; and a lighting device attached so that a luminous body is arranged into the reflector, illumined the luminous body by a battery attached to the reflector so that the electric light can be illuminated in the place that it is narrow and entered spaces and can absorb and fix anywhere when it is metal material, and can be performed to repair with both hands illuminating a work place.Type: ApplicationFiled: December 13, 2002Publication date: June 17, 2004Inventor: Toshiaki Endo
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Publication number: 20030228037Abstract: 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: May 21, 2003Publication date: December 11, 2003Applicant: Canon Kabushiki KaishaInventor: Toshiaki Endo
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Patent number: 6627896Abstract: An image sending apparatus has a conversion member for converting a radiation wave into visual light, an image sensing area having a plurality of pixels for converting the visual light converted by the converting member into an electrical signal, and a shielding member mounted in a partial area of the image sensing apparatus for shielding the radiation wave.Type: GrantFiled: July 25, 2000Date of Patent: September 30, 2003Assignee: Canon Kabushiki KaishaInventors: Seiji Hashimoto, Osamu Yuki, Toshiaki Endo, Hidetoshi Hayashi
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Publication number: 20030069147Abstract: Disclosed is a grease that provides a prolonged lubricating lifetime to applied portions for use at high temperature, and a grease sealed bearing in which the bearing is sealed with this grease. This grease comprises a base oil, a thickener, and an amide-based wax. The amide-based wax is contained in an amount of 0.5 to 10% by weight based on the total amount of the grease, has a melting point of 80° C. or more, and an antioxidative ability to the base oil. The base oil is at least one base oil selected from the group consisting of an ether-based oil, an ester-based oil and a synthetic hydrocarbon oil, and has kinematic viscosity of 20 to 150 mm2/s at 40° C. The thickener is an urea-based thickener, and is contained in an amount of 5 to 30% by weight based on the total amount of the grease.Type: ApplicationFiled: September 23, 2002Publication date: April 10, 2003Inventors: Takayuki Kawamura, Hidenobu Mikami, Mitsunari Asao, Yuji Oonuki, Toshiaki Endo
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Publication number: 20020051088Abstract: 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: ApplicationFiled: June 25, 2001Publication date: May 2, 2002Inventors: Eiichiro Ikeda, Toshiaki Endo, Takaaki Fukui
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Publication number: 20020025069Abstract: Adaptive luminance interpolation processing in a signal processing apparatus for acquiring an image signal from an image sensing element having color filters and processing the image signal is described. An adaptive luminance interpolation circuit determines the correlation of the image signal in the vertical and horizontal directions, and interpolates the luminance signal of the image signal in a direction in which the correlation is higher. The chroma signal of the image signal is interpolated regardless of the correlation direction. The chroma signal is processed by a color conversion matrix circuit for performing signal processing of suppressing a false color in the vertical direction or a color conversion matrix circuit for performing signal processing of suppressing a false color in the horizontal direction, switched by a matrix switching circuit based on the interpolation direction.Type: ApplicationFiled: May 11, 2001Publication date: February 28, 2002Inventors: Toshiaki Endo, Eiichiro Ikeda, Takaaki Fukui
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Patent number: 6310572Abstract: A series to parallel A/D type converter converts an analog input signal to a digital output signal. The A/D converter has an upper rank comparator which performs A/D conversion of upper order bits and a lower rank comparator which performs A/D conversion of lower order bits. An input control circuit receives the analog input signal and generates a first input signal which is provided to the upper rank comparator and generates a second input signal which is provided to the lower rank comparator. Both the upper and lower rank comparators receive the respective first and second input signal from the input control circuit and compare the respective input signals with predetermined reference voltages to generate a digital output signal.Type: GrantFiled: October 15, 1999Date of Patent: October 30, 2001Assignee: Fujitsu LimitedInventors: Toshiaki Endo, Sanroku Tsukamoto
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Patent number: 6288665Abstract: An encoder for an A/D converter includes a plurality of ROM cells connected between bit lines and word lines. Each of the ROM cells is responsive to a word line select signal supplied to a word line associated with each of the ROM cells for supplying a digital output signal according to the word line select signal to a bit line associated with each of the ROM cells. A logic processor is coupled to one of the bit lines and to two of the word lines used to select a ROM cell connected to the bit line. The logic processor produces an output signal indicative of a selection of the ROM cell connected to the bit line, based on word line select signals supplied on the two word lines.Type: GrantFiled: May 9, 2000Date of Patent: September 11, 2001Assignee: Fujitsu LimitedInventors: Sanroku Tsukamoto, Ian Dedic, Kuniyoshi Kamei, Toshiaki Endo, Masaru Sawada, Hiroko Murakami
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Patent number: 6288668Abstract: An encoder for an A/D converter includes a plurality of ROM cells connected between bit lines and word lines. Each of the ROM cells is responsive to a word line select signal supplied to a word line associated with each of the ROM cells for supplying a digital output signal according to the word line select signal to a bit line associated with each of the ROM cells. A logic processor is coupled to one of the bit lines and to two of the word lines used to select a ROM cell connected to the bit line. The logic processor produces an output signal indicative of a selection of the ROM cell connected to the bit line, based on word line select signals supplied on the two word lines.Type: GrantFiled: February 21, 1996Date of Patent: September 11, 2001Assignee: Fujitsu LimitedInventors: Sanroku Tsukamoto, Ian Dedic, Kuniyoshi Kamei, Toshiaki Endo, Masaru Sawada, Hiroko Murakami
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Patent number: 6251841Abstract: The present invention provides a grease composition excellent in both rust-proofing properties and safety. The grease composition comprises a lubricating base oil and a thickener, and further comprises a lipophilic organic inhibitor, a nonionic surface active agent and a hydrophilic organic inhibitor selected from the group consisting of lanolin fatty acid derivative and alkanolamine derivative modified with a hydrophilic group each in an amount of from 0.1 to 10% by weight based on the total weight of said grease composition.Type: GrantFiled: March 29, 1999Date of Patent: June 26, 2001Assignees: NSK Ltd., Kyodo Yushi Co., Ltd.Inventors: Hideki Koizumi, Atsushi Yokouchi, Kenichi Iso, Michiharu Naka, Toshiaki Endo, Atsushi Shibayama
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Patent number: 6046694Abstract: An encoder for an A/D converter includes a plurality of ROM cells connected between bit lines and word lines. Each of the ROM cells is responsive to a word line select signal supplied to a word line associated with each of the ROM cells for supplying a digital output signal according to the word line select signal to a bit line associated with each of the ROM cells. A logic processor is coupled to one of the bit lines and to two of the word lines used to select a ROM cell connected to the bit line. The logic processor produces an output signal indicative of a selection of the ROM cell connected to the bit line, based on word line select signals supplied on the two word lines.Type: GrantFiled: February 21, 1996Date of Patent: April 4, 2000Assignee: Fujitsu LimitedInventors: Sanroku Tsukamoto, Ian Dedic, Kuniyoshi Kamei, Toshiaki Endo, Masaru Sawada, Hiroko Murakami
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Patent number: 5707944Abstract: A grease composition comprising a base oil containing not less than 10% by weight of an ester oil based on the total base oil and having a kinematic viscosity of 50 to 200 mm.sup.2 /sec at 40.degree. C. and 15 to 35% by weight, based on the total grease composition, of a diurea compound represented by formula (I): ##STR1## wherein R.sub.2 represents an aromatic hydrocarbon group having 6 to 15 carbon atoms; and R.sub.1 and R.sub.3, which may be the same or different, each represent an aromatic hydrocarbon group having 6 to 12 carbon atoms or an aliphatic hydrocarbon group having 8 to 20 carbon atoms, the proportion of the aromatic hydrocarbon groups in the total of R.sub.1 and R.sub.3 being 50 to 100 mol %. When applied to outer race rotating bearings, the grease composition is excellent in flaking resistance, leak resistance, and low noise properties and prevents premature seizing under high temperature and high speed conditions.Type: GrantFiled: October 17, 1995Date of Patent: January 13, 1998Assignees: NSK Ltd., Kyodo Yushi Co., Ltd.Inventors: Atsushi Yokouchi, Hideki Koizumi, Kenichi Iso, Michiharu Naka, Toshiaki Endo, Yoichi Suzuki