Kokumai
Hikaru Kokumai, Nishio-Shi JP
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20150330313 | CONTROL SYSTEM FOR INTERNAL COMBUSTION ENGINE - A control system for an internal combustion engine has an intake valve, an exhaust valve, and an exhaust purifying catalyst that purifies exhaust gas after combustion of a fuel. During a fuel cut in which no fuel is supplied, a closing timing of the intake valve is controlled to a delayed angle side more than at a timing when the fuel is supplied and to a delayed angle side more than at a timing at a bottom dead center of an intake stroke, and an opening timing of the exhaust valve is controlled to an advanced angle side more than at the timing when the fuel is supplied and to an advanced angle side more than at the timing at the bottom dead center of an expansion stroke. | 11-19-2015 |
Hiromichi Kokumai, Kuwana-Shi JP
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20130272634 | FLUID DYNAMIC BEARING DEVICE - A fluid dynamic bearing device ( | 10-17-2013 |
Hiromichi Kokumai, Mie JP
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20160108965 | ROLLING BEARING CAGE, ROLLING BEARING, AND METHOD OF MANUFACTURING ROLLING BEARING CAGE - A cage includes: an annular body having pocket holes for receiving balls; and a resin portion formed through injection molding of a resin containing a solid lubricant with the body being set as an insert component. The resin portion includes: first parts formed along inner peripheral surfaces of the pocket holes of the body to form pocket surfaces to be held in sliding contact respectively with the balls; and a second part formed along an outer peripheral surface (or inner peripheral surface) of the body to form a guide surface to be held in sliding contact with an outer ring (or inner ring). The first parts and the second part are formed integrally with each other. Weld lines of the resin portion are formed at positions of avoiding exposure of the weld lines at both end portions of the pocket surfaces in a cage circumferential direction. | 04-21-2016 |
Hitoshi Kokumai, Kobe-Shi JP
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20090328162 | Mutual for reporting a theft in an authentication system - Disclosed are protection of secret information including an encryption key and a system for reporting an emergency such as theft or confinement when secret information is accessed. Secret information includes a large quantity of decoy data and a piece/pieces of true and correct data mixed into the decoy data. The secret data including the decoy data and the true and correct data is two-dimensional code data the code of which is composed of groups of cells having different areas. The positions and order of storage of the true and correct data dispersedly mixed in the decoy data are determined and reported to the user. The user adds a predetermined alerting signal when inputting the password to tell that the user is under control of a third party. The system can detect the alerting signal and know that the user is in an abnormal state, performs normal identification procedures, and takes protection/preservation measures. Part of decoy data is specified as confinement report data and added to the true and correct data. Consequently at least a piece of confinement report data is included and therefore the user himself is judged to be under control of the third party. Then the user is identified and a confinement report alert is issued. | 12-31-2009 |
Kazuo Kokumai, Atsugi-Shi JP
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20120001291 | SEMICONDUCTOR DEVICE, METHOD OF MANUFACTURING THE SAME, AND SOLID-STATE IMAGE SENSOR - A method of manufacturing a semiconductor device includes steps of providing a substrate including a semiconductor portion, a non-porous semiconductor layer, and a porous semiconductor layer arranged between the semiconductor portion and the non-porous semiconductor layer, forming a porous oxide layer by oxidizing the porous semiconductor layer, forming a bonded substrate by bonding a supporting substrate to a surface, on a side of the non-porous semiconductor layer, of the substrate on which the porous oxide layer is formed, and separating the semiconductor portion from the bonded substrate by utilizing the porous oxide layer. | 01-05-2012 |
20130214374 | SEMICONDUCTOR DEVICE, METHOD OF MANUFACTURING THE SAME, AND SOLID-STATE IMAGE SENSOR - A method of manufacturing a semiconductor device includes steps of providing a substrate including a semiconductor portion, a non-porous semiconductor layer, and a porous semiconductor layer arranged between the semiconductor portion and the non-porous semiconductor layer, forming a porous oxide layer by oxidizing the porous semiconductor layer, forming a bonded substrate by bonding a supporting substrate to a surface, on a side of the non-porous semiconductor layer, of the substrate on which the porous oxide layer is formed, and separating the semiconductor portion from the bonded substrate by utilizing the porous oxide layer. | 08-22-2013 |
20130341755 | SOI SUBSTRATE, METHOD FOR MANUFACTURING SOI SUBSTRATE, AND METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE - An insulating portion has a first region, a second region, and a third region in the stated order from the silicon portion side, the nitrogen concentration of the first region is lower than the nitrogen concentration of the second region and the oxygen concentration of the first region, the nitrogen concentration of the third region is lower than the nitrogen concentration of the second region and the oxygen concentration of the third region, and the thickness of the first region is larger than the thickness of the third region. | 12-26-2013 |
20140299958 | SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SAME - A method of manufacturing a semiconductor device, includes forming a trench in a semiconductor substrate having a first face and a second face by processing the first face of the semiconductor substrate, the trench including a first portion and a second portion located between the first portion and a plane including a first face, filling an insulator in the second portion such that a space remains in the first portion and the trench is closed, and forming a plurality of elements between the first face and the second face, wherein the space and the insulator form element isolation. | 10-09-2014 |
20150189211 | IMAGING APPARATUS AND IMAGING SYSTEM - Each of a plurality of pixel circuits is an insulated gate transistor and includes a first kind transistor having a maximum value of a gate potential difference to be applied equal to or higher than a first value. Each of a plurality of analog signal processing circuits is an insulated gate transistor and includes a second kind transistor having a maximum value of a gate potential difference to be applied equal to or lower than a second value that is lower than the first value. Each of a plurality of analog signal processing circuits does not include an insulated gate transistor having a maximum value of a gate potential difference to be applied not higher than the second value. | 07-02-2015 |
Tsuyoshi Kokumai, Yokohama JP
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20100141235 | MAGNETIZING INRUSH CURRENT SUPPRESSION DEVICE AND METHOD FOR TRANSFORMER - To suppress the magnetizing inrush current occurring when supplying power of three phases of the transformer are performed simultaneously using three single-phase circuit breakers or a non-phase segregated operation-type circuit breaker, without providing a circuit breaker with a resistor or other equipment. A magnetizing inrush current suppression method for transformer suppresses a magnetizing inrush current occurring at the start of energizing of a three-phase transformer | 06-10-2010 |
Yuji Kokumai, Tokyo JP
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20090297044 | Image processing apparatus, method of image processing, processing apparatus, method of processing, and recording medium - There is provided an image processing apparatus including a weight generating section that generates weight data in which a weight of a first region is larger than a weight of a second region, where the first region has a larger difference between a target image and at least one of a plurality of to-be-selected images than the second region, a calculating section that calculates a degree of similarity between the target image and each of two or more of the plurality of to-be-selected images with a difference between the target image and the to-be-selected image being weighted in each region in accordance with the weight data, and an image selecting section that selects, from the two or more to-be-selected images, one or more to-be-selected images that are more similar to the target image by referring to the degrees of similarity of the two or more to-be-selected images. | 12-03-2009 |