Tetsuya Yamaguchi
Tetsuya Yamaguchi, Yokohama-Shi JP
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20080201682 | Method of designing wiring structure of semiconductor device and wiring structure designed accordingly - A method of designing a wiring structure of an LSI is capable of reducing a capacitance variation ratio ΔC/C or a resistance-by-capacitance variation ratio Δ(RC)/(RC) of the wiring structure. The method sets a process-originated variation ratio (∈ | 08-21-2008 |
20110090383 | SOLID-STATE IMAGE SENSING DEVICE AND METHOD OF MANUFACTURING THE SAME - According to one embodiment, a back side illumination solid-state image sensing device which comprises a pixel region where a plurality of pixels each including a photoelectric converter and a signal scanning circuit are arranged on a semiconductor substrate, and in which a light illumination surface is formed on a substrate surface opposite to a surface of the semiconductor substrate on which the signal scanning circuit is formed, includes a silicon oxide film formed on the semiconductor substrate on the light illumination surface side, a p-type amorphous silicon compound layer formed on the silicon oxide film, and a hole storage layer formed by the p-type amorphous silicon compound layer near an interface between the semiconductor substrate on the light illumination surface side and the silicon oxide film. | 04-21-2011 |
20110227185 | SOLID-STATE IMAGING DEVICE AND METHOD OF MANUFACTURING THE SAME - According to one embodiment, a solid-state imaging device includes a diffusion layer, first and second diffusion layers, and p-type amorphous silicon compound. The diffusion layer of a first conduction type is formed in a surface of a semiconductor substrate of the first conduction type. The diffusion layer functions as a charge accumulation part for accumulating electrons generated in the semiconductor substrate by light emitted from a back side of the semiconductor substrate to a surface side. The first and second diffusion layers of a second conduction type sandwich the charge accumulation part and are formed so as to reach the inside of the semiconductor substrate from the surface of the semiconductor substrate. The p-type amorphous silicon compound electrically isolates the charge accumulation part and is buried in the first and second trenches formed on the back side of the semiconductor substrate. | 09-22-2011 |
20120199894 | SOLID-STATE IMAGING DEVICE - According to one embodiment, a solid-state imaging device includes a first element formation region surrounded by an element isolation region in a semiconductor substrate having a first and a second surface, an upper element isolation layer on the first surface in the element formation region, a lower element isolation layer between the second surface and the upper element isolation layer, a first photodiode in the element formation region, a floating diffusion in the element formation region, and a first transistor disposed between the first photodiode and the floating diffusion. A side surface of the lower element isolation layer protrudes closer to the transistor than a side surface of the upper element isolation layer. | 08-09-2012 |
Tetsuya Yamaguchi, Tokyo JP
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20080251822 | AMPLIFICATION-TYPE SOLID-STATE IMAGE SENSING DEVICE - According to an aspect of the invention, there is provided an amplification-type solid-state image sensing device which uses a semiconductor substrate formed by epitaxially depositing an n-type semiconductor layer on a p-type semiconductor substrate and has a photoelectric conversion unit formed in the n-type semiconductor layer including a first p-type semiconductor layer which is formed under the photoelectric conversion unit of at least one of a G pixel portion and a B pixel portion a second p-type semiconductor layer which is formed to surround the photoelectric conversion unit together with the first p-type semiconductor layer and has a depth up to the first p-type semiconductor layer and a third p-type semiconductor layer which is formed to surround an R pixel portion and has a depth up to the p-type semiconductor substrate. | 10-16-2008 |
20100302424 | SOLID-STATE IMAGE SENSOR - A solid-state image sensor includes a semiconductor layer having a first conductive type, diffusion layers which are arranged in the semiconductor layer, each having a second conductive type, and each includes a pixel, a pixel transistor disposed on the semiconductor layer, and an insulating layer which is disposed under the pixel transistor and which is not disposed under the diffusion layers. The pixel transistor is disposed between the other pixels different from the pixel being electrically connected to the pixel transistor. | 12-02-2010 |
Tetsuya Yamaguchi, Osaka JP
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20090311007 | Image forming apparatus - An image forming apparatus including: a first and a second photoconductor groups constituted of one or more photoconductors respectively; a first and a second drive control sections for controlling the drive of the first and the second photoconductor groups respectively to rotate the photoconductors thereof, wherein the rotational phases of the first photoconductor group and the second photoconductor group are adjusted to be matched therebetween; and the first and the second drive control sections control so that predetermined profile of a target speed is applied to the first and second photoconductor groups wherein, in the target-speed profile, the first photoconductor group starts rotating after a elapse of a predetermined startup delay time from the second photoconductor group starts rotating, and both groups end at a same final speed predetermined for full-color image formation, wherein the startup delay time is predetermined based on measurements of times needed for each of the first and the second photoconductor groups to reach a predetermined speed from starting the rotation with the target-speed profile being applied thereto. | 12-17-2009 |
Tetsuya Yamaguchi, Nara JP
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20080298841 | PHOTOSENSITIVE-MEMBER DRIVING MECHANISM - It is an object to prevent distortions and deviations of images caused by the eccentricity of a driven gear mounted to a rotational shaft of a photosensitive drum. There are provided a driving gear which is secured to a rotational shaft of a rotational driving power source and is rotated at a constant peripheral speed, a driven gear secured coaxially to a rotational shaft of a cylindrical-shaped photosensitive member, a phase control gear having the same diameter as that of the driven gear and having the same rotational speed variation characteristic as that of the driven gear, and a transmission gear, and a driving force from the driving gear is transmitted to the driven gear through the phase control gear and the transmission gear. | 12-04-2008 |
20090263159 | IMAGE FORMING APPARATUS - An image forming apparatus including: | 10-22-2009 |
Tetsuya Yamaguchi, Ikoma-Gun JP
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20090080914 | IMAGE PROCESSING APPARATUS AND IMAGE FORMING APPARATUS - A sub CPU of an image forming section forms a toner image based on test line data on an intermediate transfer belt, detects an inclination of the formed toner image for each color component, calculates an adjustment indicative value for correcting the detected inclination for each color component, and outputs the adjustment indicative values to the BK adjusting section, C adjusting section, M adjusting section, and Y adjusting section, respectively, of an inclination adjusting section. The BK adjusting section, C adjusting section, M adjusting section, and Y adjusting section generate, based on the respective adjustment indicative values obtained from the sub CPU, adjustment amounts for an inclination adjustment process to be executed on image data, execute the inclination adjustment process based on the generated adjustment amounts, and output the obtained image data to the respective LDs of an exposure unit. | 03-26-2009 |
Tetsuya Yamaguchi, Kanagawa JP
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20080257183 | TURN BAR ASSEMBLY FOR ROTARY PRESS - Each of two split webs W | 10-23-2008 |
Tetsuya Yamaguchi, Nagoya JP
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20120167661 | I-Beam Wear Assessment Trolleys And Methods For Using The Same - I-beam wear assessment trolleys include a first sensor assembly including a first upper block, a first lower block, a first pressure sensor positioned between the first upper block and the first lower block, and at least one first biasing member positioned between the first pressure sensor and either the first upper block or the first lower block of the first sensor assembly, wherein the at least one first biasing member biases the first upper block and the first lower block of the first sensor assembly away from one another. | 07-05-2012 |
Tetsuya Yamaguchi, Anjo-Shi JP
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20130035202 | POWER TRANSMISSION DEVICE - A power transmission device has a rigid body that includes a contact portion coming into contact with the first or second friction member and that moves the contact portion from a position of contact with the first or second friction member to a position of no contact with the first and second friction members, an elastic body that applies to the rigid body a force moving the contact portion to a position of contact with the first or second friction member, a first pushing mechanism that applies to the rigid body a pressure of liquid moving the contact portion to a position of contact with the first or second friction member, and a second pushing mechanism that applies to the rigid body a pressure of liquid moving the contact portion to a position of no contact with the first and second friction members. | 02-07-2013 |
Tetsuya Yamaguchi, Nagoya-Shi JP
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20130186182 | LEAK INSPECTION DEVICE AND LEAK INSPECTION METHOD - A leak inspection device for inspecting leaks from a work by sealing a gas inside the work or sucking the gas therefrom includes: a depressurizing device that reduces the pressure of the gas inside the work; a pressurizing device that pressurizes the gas inside the work; a temperature sensor that detects the temperature of the work; a pressure sensor that detects the pressure of the gas inside the work; and a controller. The controller calculates the saturation vapor pressure at the same temperature as the temperature of the work, controls the depressurizing device to thereby reduce the pressure of the gas inside the work to the saturation vapor pressure, sucks the water vapor that has vaporized inside the work, controls the pressurizing device to thereby seal the gas inside the work and pressurize the gas inside the work until the temperature of the work detected by the temperature sensor reaches a predetermined temperature. | 07-25-2013 |
20140338427 | LEAK TEST METHOD AND LEAK TEST APPARATUS - A leak test method includes: reducing first pressure in an inspection space in a work and second pressure in a space in a master chamber; humidifying the inspection space in the work; and detecting a change in differential pressure between the inspection space in the work and the space in the master chamber, while the inspection space in the work is in a water-vapor saturated state. Also, in this leak test method, a leak in the inspection space in the work is detected from the change in the differential pressure. | 11-20-2014 |
Tetsuya Yamaguchi, Anjo JP
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20130310216 | VEHICLE DRIVE DEVICE - Mutual interference between a hydraulic pressure of a first engagement device and a hydraulic pressure of a second engagement device is suppressed even in the case where operation of the first engagement device and operation of the second engagement device coincide with each other. A vehicle drive device includes a first engagement device that selectively couples a rotary electric machine to an internal combustion engine, and a fluid coupling. The first engagement device includes a first oil chamber that is formed to apply a back pressure to a first piston. The fluid coupling includes a second oil chamber configured to control an engagement state of a second engagement device. The vehicle drive device includes a first control valve that controls a first oil chamber hydraulic pressure, and a second control valve that controls a second oil chamber hydraulic pressure independently of the first oil chamber hydraulic pressure. | 11-21-2013 |
20140124324 | HYDRAULIC CONTROLLER FOR HYBRID DRIVE SYSTEM - A hydraulic control device configured with a source pressure generation section, a hydraulic servo for a clutch provided between an engine and a motor, a control solenoid valve that outputs a regulated source pressure to the hydraulic servo, and a switching section that switches a hydraulic passage, which extends between the source pressure generation section and the hydraulic servo to supply the engagement pressure, between a first and second state in which the hydraulic passage has a high conduit resistance compared to the first state at least until the clutch is engaged. The switching section switches the hydraulic passage into the second state during a failure in which the control solenoid valve is de-energized and the source pressure is directly supplied to the hydraulic servo as the engagement pressure, and switches the hydraulic passage into the first state during normal times when the failure does not occur. | 05-08-2014 |
Tetsuya Yamaguchi, Oita JP
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20150137299 | SOLID STATE IMAGING DEVICE AND MANUFACTURING METHOD FOR SOLID STATE IMAGING DEVICE - There is provided a solid state imaging device according to the embodiment. The solid state imaging device includes an imaging area and an element isolation unit having a light shielding effect. In the imaging area, a plurality of photoelectric conversion elements is two-dimensionally arranged in a matrix in a semiconductor layer. The element isolation unit is embedded so as to surround a light-receiving region of each photoelectric conversion element. A center position of an opening region surrounding the light-receiving region is positioned on the center side of the imaging area than a corresponding center position of the light-receiving region. | 05-21-2015 |
Tetsuya Yamaguchi, Nagoya-Shi, Aichi JP
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20150308918 | LEAK TESTING METHOD - Provided is a leak testing method of a workpiece including spaces which are three partitioned void portions, the leak testing method being capable of separately learning an amount of leakage from each of the spaces, and precisely determining whether the workpiece is normal or defective. The leak testing method includes steps of obtaining total leakage amounts, and a step of calculating, based on the obtained total leakage amounts, a first leakage amount, a second leakage amount, a third leakage amount, a fourth leakage amount, a fifth leakage amount and a sixth leakage amount which are amounts of leakage from respective routes when gas is injected to a workpiece at a predetermined pressure. | 10-29-2015 |