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Hideki Hirayama
Hideki Hirayama, Asaka-Shi JP
| Patent application number | Description | Published |
|---|---|---|
| 20090001409 | Semiconductor Light Emitting Device And Illuminating Device Using It - The semiconductor light emitting device of the present invention comprises an n-type nitride semiconductor layer | 01-01-2009 |
| 20100270532 | NITRIDE SEMI-CONDUCTOR LIGHT EMITTING DEVICE - A nitride semi-conductor light emitting device has a p-type nitride semi-conductor layer | 10-28-2010 |
| 20100270583 | MANUFACTURING METHOD OF NITRIDE SEMI-CONDUCTOR LAYER, AND A NITRIDE SEMI-CONDUCTOR LIGHT EMITTING DEVICE WITH ITS MANUFACTURING METHOD - In a process of fabricating a nitride nitride semi-conductor layer of Al | 10-28-2010 |
| 20110042713 | NITRIDE SEMI-CONDUCTIVE LIGHT EMITTING DEVICE - The nitride semi-conductive light emitting layer in this invention comprises a single crystal substrate | 02-24-2011 |
Hideki Hirayama, Ampachi-Gun JP
| Patent application number | Description | Published |
|---|---|---|
| 20090141133 | SEMICONDUCTOR DEVICE WITH ANTI-SHAKE CONTROL FUNCTION - A semiconductor device with an anti-shake function includes a logic chip having a digital circuit which obtains a value for vibration of an apparatus based on a vibration detection signal supplied from a vibration detection element to generate a correction signal. The logic chip includes a correction signal processing unit which generates the correction signal, and a control signal output unit which outputs a vibration control signal in accordance with the correction signal to a vibration correction control unit which executes vibration correction control for an optical component in accordance with vibration. The correction signal processing unit includes a vibration computing unit which is capable of executing a plurality of stages of signal processing operations, by dedicated circuits, respectively, and which generates the correction signal from the vibration detection signal, and a central processing unit capable of executing desired computation processing to be performed by the vibration computing unit, and a signal obtained by executing all or a part of the computation processing to be performed by the dedicated circuits by the central processing unit is supplied as the correction signal to the control signal output unit. | 06-04-2009 |
| 20100124411 | Image stabilization control circuit and image-capturing device - An image stabilization control circuit of an image-capturing device prevents overflow of data in an integration process performed in a digital signal process on a signal outputted by a gyro-sensor. A gyro-filter receives, as an input, fixed-point format angular velocity data (D | 05-20-2010 |
| 20100265341 | IMAGE STABILIZATION CIRCUIT - A first high-pass filter comprising a low-pass filter which allows only a frequency component of an input signal less than or equal to a first frequency to pass, a latch unit which latches an output of a low-pass filter according to a control signal, and a calculating unit which outputs a difference between an input signal and an output of the latch unit are provided on an image stabilization circuit. When latching in the latch unit is released, a held value of the latch unit is stepwise changed to the output value of the low-pass filter. Such a first high-pass filter is used in a centering process of an optical element. | 10-21-2010 |
Hideki Hirayama, Akashi-Shi JP
| Patent application number | Description | Published |
|---|---|---|
| 20090006003 | SAMPLE ANALYZER, BLOOD ANALYZER AND DISPLAYING METHOD - The present invention is to present a sample analyzer which is capable of displaying a particle distribution map of a measured sample and a reference particle distribution map so as to be visually compared without reducing a display area for displaying information other than the particle distribution map. The blood analyzer | 01-01-2009 |
| 20090259427 | Analyzer - Analyzers are described that includes a mode selector for selecting one measurement mode from said plurality of measurement modes; a display for displaying a screen; and a display controller for displaying on said screen a picture representing contents of the measurement mode selected by said mode selector. | 10-15-2009 |
| 20100248349 | ANIMAL BLOOD CELL MEASURING APPARATUS - An animal blood cell measuring apparatus comprising: a specimen preparation section for preparing a measurement specimen from blood of an animal; a characteristic information obtaining section for obtaining characteristic information indicating a characteristic of the measurement specimen, from the measurement specimen prepared by the specimen preparation section; and a controller configured for performing operations comprising: (a) classifying aggregate reticulocytes contained in the blood from other blood cells, based on the characteristic information obtained by the characteristic information obtaining section; and (b) outputting information regarding a number of the classified aggregate reticulocytes. | 09-30-2010 |
Hideki Hirayama, Saitama JP
| Patent application number | Description | Published |
|---|---|---|
| 20090026440 | Nitride semiconductor light-emitting element - A nitride semiconductor light-emitting element | 01-29-2009 |
| 20090057646 | OPTICAL SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING THE SAME - Because of a large lattice mismatch between a sapphire substrate and a group III-V compound semiconductor, a good crystal is difficult to grow. A high-quality AlN buffer growth structure A on a sapphire substrate includes a sapphire (0001) substrate | 03-05-2009 |
| 20090057688 | OPTICAL SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREFOR - To provide an elemental technique for improving the emission intensity of deep ultraviolet light from a light emitting layer made of an AlGaInN-based material, in particular, an AlGaN-based material. First, an AlN layer is grown on a sapphire surface. The AlN layer is grown under a NH | 03-05-2009 |
| 20100144078 | OPTICAL SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREFOR - To provide an elemental technique for improving the emission intensity of deep ultraviolet light from a light emitting layer made of an AlGaInN-based material, in particular, an AlGaN-based material. First, an AlN layer is grown on a sapphire surface. The AlN layer is grown under a NH | 06-10-2010 |
| 20100219395 | Optical Semiconductor Device and Method of Manufacturing the Same - Devices and techniques related to UV light-emitting devices that can be implemented in ways that improve the light-emitting efficiency of an UV light-emitting device using a group III nitride semiconductor. | 09-02-2010 |
Hideki Hirayama, Asaka JP
| Patent application number | Description | Published |
|---|---|---|
| 20100207136 | SAPPHIRE SUBSTRATE, NITRIDE SEMICONDUCTOR LUMINESCENT ELEMENT USING THE SAPPHIRE SUBSTRATE, AND METHOD FOR MANUFACTURING THE NITRIDE SEMICONDUCTOR LUMINESCENT ELEMENT - The present invention provides an inexpensive substrate which can realize m-plane growth of a crystal by vapor phase growth. In a sapphire substrate, an off-angle plane slanted from an m-plane by a predetermined very small angle is prepared as a growth surface, which is a template of the crystal, at the time of growing a crystal of GaN or the like, by a polishing process to prepare a stepwise substrate comprising steps and terraces. According to the above-described configuration, even if an inexpensive sapphire substrate, which normally does not form an m-plane (nonpolar plane) GaN film, is used as a substrate for crystal growth, the following advantages can be attained. Specifically, c-axis growth can be carried out from the plane of each step as an a-plane on the terrace by vapor phase growth, which is advantageous in the fabrication of a device, in order to grow an excellent GaN single crystal which has been epitaxially grown so that the m-plane is opposite to the surplane of the terrace, and, in the mean time, the steps become integrated (fused), whereby a device can be fabricated from a substrate of a GaN single crystal having no significant threading dislocation. Further, the use of the m-plane can advantageously eliminate the influence of piezo electric fields. | 08-19-2010 |
Hideki Hirayama, Gifu JP
| Patent application number | Description | Published |
|---|---|---|
| 20090040320 | IMAGE STABILIZATION CONTROL CIRCUIT - An image stabilization control circuit controls an optical element driving element that moves an optical element provided in an imaging apparatus based on an output signal of a vibration detection element provided in the imaging apparatus. The image stabilization control circuit includes a high-pass filter that removes a low-frequency component from an output signal of the vibration detection element. A movement amount calculation circuit calculates a movement amount of the imaging apparatus based on an output signal of the high-pass filter. A servo circuit generates a correction signal for correcting the position of the optical element based on an output signal of the movement amount calculation circuit and outputs the correction signal to the optical element driving element. The movement amount calculation circuit includes a digital filter circuit and a register. The digital filter circuit performs filter processing based on a filter coefficient stored in the register. | 02-12-2009 |
| 20090153679 | IMAGE STABILIZATION CONTROL CIRCUIT FOR IMAGING APPARATUS - An internal CPU, a vibration control equalizer for processing an output signal of a vibration detector for detecting vibration of an imaging apparatus and calculating a vibration signal for determining a driving amount for an optical component on the basis of vibration of the imaging apparatus, a position control equalizer for calculating a position signal for determining a driving amount for the optical component on the basis of position of the optical component, and a control switching section for switching between the internal CPU and an external control circuit for the imaging apparatus for control of the vibration control equalizer and the position control equalizer. | 06-18-2009 |
Hideki Hirayama, Wako-Shi JP
| Patent application number | Description | Published |
|---|---|---|
| 20110201142 | Method of Manufacturing a Light-Emitting Device - To provide a light-emitting device using a nitride semiconductor which can attain high-power light emission by highly efficient light emission, a method of manufacturing the light-emitting device involves forming a first AlGaN layer of a first conductivity type on a side of a first main surface of a nitride semiconductor substrate, forming a light-emitting layer including an InAlGaN quaternary alloy on the first AlGaN layer, forming a second AlGaN layer of a second conductivity type on the light-emitting layer, and removing the nitride semiconductor substrate after forming the second AlGaN layer. | 08-18-2011 |
| 20120025252 | COMPOSITE SUBSTRATE FOR FORMATION OF LIGHT-EMITTING DEVICE, LIGHT-EMITTING DIODE DEVICE AND MANUFACTURING METHOD THEREOF - A composite substrate for the formation of a light-emitting device, ensuring that a high-quality nitride-based light-emitting diode can be easily formed on its top surface and the obtained substrate-attached light-emitting diode functions as a light-emitting device capable of emitting light for an arbitrary color such as white, is provided. A composite substrate for the formation of a light-emitting device, comprising a light-converting material substrate for radiating at least a part of incident light as light different in the wavelength through the surface opposite the incident surface, and at least two or more Al-containing nitride layers formed on the light-converting material substrate, wherein the light-converting material substrate has a texture comprising two or more oxide phases continuously and three-dimensionally entangled with each other, including an Al | 02-02-2012 |
Hideki Hirayama, Gifu-Ken JP
| Patent application number | Description | Published |
|---|---|---|
| 20110279692 | CONTROL CIRCUIT FOR IMAGE-CAPTURING DEVICE - Performing data processing more effectively for camera shake correction is desirable. Movement of an image-capturing device is compensated on the basis of displacement velocity of the image-capturing device detected by a displacement velocity detector and position regarding a focus adjustment member of the image-capturing device detected by a position detector. An input data format converter converts the displacement velocity detected at the displacement velocity detector from fixed-point format to floating-point format and converts the detected position of the focus member to floating-point data. Furthermore, a gyro filter uses data processing in floating-point format to calculate displacement data for a required amount the image-capturing device is to be displaced and a Hall filter uses data processing in floating-point format to generate drive data for the focus adjustment member. Then, the drive data in floating-point format from the Hall filter is converted to drive data in fixed-point format. | 11-17-2011 |
| 20110298410 | LOOP GAIN ADJUSTING CIRCUIT - In an adder circuit, a sine wave is added to a compensation signal which is generated based on a position detection signal of a member to be driven and for compensating a position of a lens which is the member to be driven. An absolute value integrating circuit integrates absolute values of signals before and after the adder circuit adds the sine wave. The two obtained integrated values are compared by a comparator circuit, and a gain adjusting circuit adjusts a gain of an amplifier which amplifies the compensation signal so that the two integrated values are equal to each other. | 12-08-2011 |
| 20110307537 | DIGITAL FILTER - A digital filter has a plurality of filters, wherein each filter performs coefficient multiplication and delay processing for an input signal and an output signal, obtains the output signal from the input signal, and includes a plurality of coefficient multipliers for multiplying a signal by a predetermined coefficient. The digital filter also includes a plurality of delay circuits for delaying a signal, and an adder for adding a plurality of signals. A first RAM stores a plurality of sets of coefficient data for a plurality of coefficient multipliers of the first filter and stores delay data for the delay circuit of the second filter. A second RAM stores a plurality of sets of coefficient data for a plurality of coefficient multipliers of the second filter and stores delay data for the delay circuit of the first filter. | 12-15-2011 |
Hideki Hirayama, Anpachi-Gun JP
| Patent application number | Description | Published |
|---|---|---|
| 20120242848 | BIT LENGTH CONVERTING CIRCUIT FOR FLOATING-POINT NUMBERS, AND VIBRATION CORRECTION CONTROL CIRCUIT USING THE BIT LENGTH CONVERTING CIRCUIT - The bit length reducing unit reduces the bit length of an operand expressed by a floating-point number and outputs the operand to a computing unit. The bit length increasing unit increases the bit length of the result value of operation represented by the floating-point number inputted from the computing unit and restores the original bit length. The bit length reducing unit discards a preset number of higher-order bits of the exponent part of the floating-point number and at the same time adds a positive or negative offset value to the exponent part with the higher-order bits discarded, according to an application to be executed by the computing unit. The bit length increasing unit restores the bits discarded by the bit length reducing unit | 09-27-2012 |