Hiroshi Akiyama
Hiroshi Akiyama, Yokohama-Shi JP
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20100033685 | LIGHTING DEVICE AND PROJECTION IMAGE DISPLAY UNIT - A lighting device, including a first light source emitting light of a first wavelength; a second light source close to the first source, emitting light of a second wavelength in almost a same direction as that of the first source; a third light source located emitting light of a third wavelength in a direction different from that of the first and second sources; a coupling optical system coupling light from the first and second sources; another coupling optical system coupling light from the third source; and a light path synthesizer synthesizing a light path of light from the first, second and third sources, wherein the light path synthesizer includes a first surface reflecting light from the first source and transmitting light from the second and third sources and a second surface unparallel with the first surface, reflecting light from the second source and transmitting light from the third source. | 02-11-2010 |
20100302513 | PROJECTION-TYPE IMAGE DISPLAYING APPARATUS - A projection-type image display apparatus for displaying an image on a projected plane, includes light sources each configured to emit a light, a light-path combining element configured to combine light paths of the lights each emitted from the light sources, a light path splitting element configured to split the lights on the combined light path into first and second lights, a scanning mirror configured to reflect the first lights to scan the projected plane with the first lights, a light receiving element configured to receive the second lights to detect light amounts of the received second lights, and a control circuit configured to control the scanning mirror to scan an image forming area of the projected plane with the first lights based on image data and control the light sources so as to reproduce a color based on the image data. The control circuit is configured to control the light receiving element to detect the light amounts of the light sources when the image forming area is scanned with the first light, and adjust emitting light amounts of the light sources based on the detected light amounts of the light sources. | 12-02-2010 |
Hiroshi Akiyama, Hitachiohta JP
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20100001212 | CHARGED PARTICLE BEAM IRRADIATION SYSTEM AND CHARGED PARTICLE BEAM EXTRACTION METHOD - A charged particle beam irradiation system includes measurement means | 01-07-2010 |
20100166145 | RADIOTHERAPY SYSTEM - A radiotherapy system achieves highly-accurate respiratory-gated irradiation with less x-ray exposure by performing x-ray imaging only during the respiratory phases that are necessary for the respiratory-gated irradiation. An external respiration monitor | 07-01-2010 |
20110231147 | RADIATION DETECTOR AND VERIFICATION TECHNIQUE OF POSITIONING ACCURACY FOR RADIATION DETECTOR - The present invention provides, at low cost, a multilayer radiation detector whose position relative to a beam axis can be verified. The radiation detector includes a plurality of sensors that react to radiation and are stacked in parallel inlayers in a traveling direction of the radiation. The sensors are each sectioned into a central region including the center of the sensor and another region surrounding the central region. The radiation detector independently measures signals measured by the central regions and signals measured by the other regions. Thus, the position of the radiation detector can be verified. | 09-22-2011 |
Hiroshi Akiyama, Kudamatsu-Shi JP
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20090152241 | PLASMA ETCHING APPARATUS AND PLASMA ETCHING METHOD - The invention provides a method and apparatus for performing plasma etching to form a gate electrode on a large-scale substrate while ensuring the in-plane uniformity of the CD shift of the gate electrode. The present invention measures a radical density distribution of plasma in the processing chamber, feeds processing gases into the processing chamber through multiple locations and controls either the flow rates or compositions of the respective processing gases or the in-plane temperature distribution of a stage on which the substrate is placed, or feeds processing gases into the processing chamber through multiple locations and controls both the flow rates or compositions of the processing gases and the in-plane temperature distribution of the stage on which the substrate is placed. | 06-18-2009 |
20100167426 | PLASMA ETCHING APPARATUS AND PLASMA ETCHING METHOD - The invention provides a method for overcoming the drawbacks of deteriorated throughput, deteriorated reproducibility and plasma discharge instability when continuous discharge is performed during multiple steps of plasma etching. The present invention provides a gas switching method for switching from gas supply source | 07-01-2010 |
20110120649 | VACUUM PROCESSING APPARATUS - The invention provides a plasma processing apparatus for processing a wafer mounted on a sample stage placed in a vacuum processing chamber using a plasma generated in the vacuum chamber. The plasma processing apparatus comprises a plate placed in the vacuum processing vessel above and opposed to the wafer, the plate having a through hole through which a first processing gas is introduced; a first and second cylindrical member arranged vertically and adjacently; and means communicating with the gap between the first and second cylindrical member for supplying a second processing gas. The wafer is processed while the first processing gas and the second processing gas having different compositions are supplied. | 05-26-2011 |
Hiroshi Akiyama, Tokyo JP
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20090116102 | Stereomicroscope - An illumination optical system projects an illumination light onto an observation object via an objective lens. A first observation optical system guides the illumination light reflected by the observation object to a first ocular lens. A second observation optical system includes a second ocular lens for observing the reflected light of the illumination light. An optical system drive mechanism rotates the second observation optical system and arranges the second observation optical system between a first position and second position facing each other. A reflecting member is disposed at a position retracted from the illumination light path and the reflected light path and reflects the reflected light in a direction different from the optical axis. A drive mechanism rotates the reflecting member around a rotation axis orthogonal to the optical axis and guides the reflected light to the second observation optical system arranged at the first or second position. | 05-07-2009 |
20090122398 | Surgical microscope apparatus - A surgical microscope apparatus | 05-14-2009 |
20100112709 | HIGHLY SENSITIVE METHOD FOR DETECTING PROTEIN IN FOOD - A method for accurate and precise measurement of target proteins such as food allergen proteins in the specific foods is provided. The method is a method for immunological measurement of a food allergen protein in a processed food using an antibody against the food allergen protein, comprising adding animal tropomyosin to an assay solution upon measurement. | 05-06-2010 |
20150238780 | BEAM POSITION MONITORING APPARATUS AND CHARGED PARTICLE BEAM IRRADIATION SYSTEM - A scanning magnet of an irradiation nozzle is controlled to irradiate the ion beam irradiated from a synchrotron accelerator to a target position P | 08-27-2015 |
Hiroshi Akiyama, Dublin, OH US
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20100101090 | Method of Making a Composite Component and Apparatus - A method of making a composite component and the composite component is disclosed. The composite component can comprise multiple portions with different materials. By configuring the composite component with different materials, the weight of the composite component can be reduced while maintaining the strength and support of the composite component for a cockpit assembly. Furthermore, the method provides for an increase in the efficiency of the die casting process used to create the composite component. | 04-29-2010 |
20130313851 | Method of Making a Composite Component and Apparatus - A method of making a composite component and the composite component is disclosed. The composite component can comprise multiple portions with different materials. By configuring the composite component with different materials, the weight of the composite component can be reduced while maintaining the strength and support of the composite component for a cockpit assembly. Furthermore, the method provides for an increase in the efficiency of the die casting process used to create the composite component. | 11-28-2013 |
Hiroshi Akiyama, Saitama JP
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20090322050 | VEHICLE SUBFRAME AND BUSH MOUNTING STRUCTURE - A front cross member | 12-31-2009 |
20090326788 | FUEL INJECTION DEVICE - A fuel injection device | 12-31-2009 |
Hiroshi Akiyama, Wako-Shi JP
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20080202647 | ALLUMINUM ALLOY PIPE AND ALUMINUM ALLOY STRUCTURAL MEMBER FOR AUTOMOBILE USING THE SAME - An Al—Mg-based aluminum alloy pipe for hot working, having an alloy composition having from 2.5% by mass to 2.8% by mass of Mg, 0.25% by mass or less of Si, 0.35% by mass or less of Fe, and from 0.25% by mass to 0.35% by mass of Cr, with the balance being inevitable impurities and Al, wherein an area ratio of cavities after hot working is 2.3% or less; and an aluminum alloy structural member for automobile using the same. | 08-28-2008 |
Hiroshi Akiyama, Kanagawa JP
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20110128602 | OPTICAL SCAN UNIT, IMAGE PROJECTOR INCLUDING THE SAME, VEHICLE HEAD-UP DISPLAY DEVICE, AND MOBILE PHONE - An optical scan unit ( | 06-02-2011 |
20110249240 | COUPLING LENS, ILLUMINATING DEVICE, AND ELECTRONIC DEVICE - A coupling lens for coupling first light having a first wavelength from a first light source with a second light having a second wavelength from a second light source disposed adjacent to the first light source in substantially the same direction includes a first surface disposed to face the first and second light sources, the first surface including a first region transmitting the first light and having a first region curvature and a second region transmitting the second light and having a second region curvature, and a second surface opposite to the first surface and having a second-surface curvature. A position of a center of the first region curvature differs from a position of a center of the second region curvature. A center of the second surface curvature and the center of the first region curvature are disposed on an optical axis of the first or second light source. | 10-13-2011 |
Hiroshi Akiyama, Hitachiota JP
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20120001085 | TREATMENT PLANNING SYSTEM, DEVICE FOR CALCULATING A SCANNING PATH AND PARTICLE THERAPY SYSTEM - In a particle therapy treatment planning system for creating treatment plan data, the movement of a target (patient's affected area) is extracted from plural tomography images of the target, and the direction of scanning is determined by projecting the extracted movement on a scanning plane scanned by scanning magnets. Irradiation positions are arranged on straight lines parallel with the scanning direction making it possible to calculate a scanning path for causing scanning to be made mainly along the direction of movement of the target. The treatment planning system can thereby realize dose distribution with improved uniformity. | 01-05-2012 |
20120264998 | TREATMENT PLANNING APPARATUS AND PARTICLE THERAPY SYSTEM - A charged particle beam reduces treatment time in the uniform scanning or in the conformal layer stacking irradiation. In the uniform scanning, an optimum charged particle beam scan path for uniformly irradiating a collimator aperture area is calculated. In the conformal layer stacking irradiation, an optimum charged particle beam scan path for uniformly irradiating a multi-leaf collimator aperture area of each layer for each of the layers obtained by partitioning the target volume is calculated. Alternatively, a minimum irradiation field size that covers the multi-leaf collimator aperture area of each layer is calculated, and a scan path corresponding to the irradiation field size, prestored in a memory of a particle therapy control apparatus, is selected. The charged particle beam scan path is optimally changed in the lateral directions in conformity with the collimator aperture area in the uniform scanning or in each layer in the conformal layer stacking irradiation. | 10-18-2012 |
20140046113 | TREATMENT PLANNING SYSTEM, DEVICE FOR CALCULATING A SCANNING PATH AND PARTICLE THERAPY SYSTEM - In a particle therapy treatment planning system for creating treatment plan data, the movement of a target (patient's affected area) is extracted from plural tomography images of the target, and the direction of scanning is determined by projecting the extracted movement on a scanning plane scanned by scanning magnets. Irradiation positions are arranged on straight lines parallel with the scanning direction making it possible to calculate a scanning path for causing scanning to be made mainly along the direction of movement of the target. The treatment planning system can thereby realize dose distribution with improved uniformity. | 02-13-2014 |
20140316184 | TREATMENT PLANNING SYSTEM, DEVICE FOR CALCULATING A SCANNING PATH AND PARTICLE THERAPY SYSTEM - In a particle therapy treatment planning system for creating treatment plan data, the movement of a target (patient's affected area) is extracted from plural tomography images of the target, and the direction of scanning is determined by projecting the extracted movement on a scanning plane scanned by scanning magnets. Irradiation positions are arranged on straight lines parallel with the scanning direction making it possible to calculate a scanning path for causing scanning to be made mainly along the direction of movement of the target. The treatment planning system can thereby realize dose distribution with improved uniformity. | 10-23-2014 |
20150217138 | TREATMENT PLANNING SYSTEM, DEVICE FOR CALCULATING A SCANNING PATH AND PARTICLE THERAPY SYSTEM - In a particle therapy treatment planning system for creating treatment plan data, the movement of a target (patient's affected area) is extracted from plural tomography images of the target, and the direction of scanning is determined by projecting the extracted movement on a scanning plane scanned by scanning magnets. Irradiation positions are arranged on straight lines parallel with the scanning direction making it possible to calculate a scanning path for causing scanning to be made mainly along the direction of movement of the target. The treatment planning system can thereby realize dose distribution with improved uniformity. | 08-06-2015 |
Hiroshi Akiyama, Hitachinaka JP
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20120147364 | CONTAMINATION INSPECTION METHOD AND CONTAMINATION INSPECTION DEVICE - Provided are a contamination inspection method and a contamination inspection device for highly accurately detecting a defect in a wafer, a liquid crystal substrate and media or the like including patterns, for example, a semiconductor device or the like. The first aspect of the present invention is a contamination inspection device comprising: an irradiation optical system for irradiating lights on the inspection target substrate; and a spatial filter for shading diffracted lights form the inspection target substrate. Herein, the spatial filter comprises: a plurality of light shading materials; a control member for changing at least one of parameters selected from a shape, an angle and an interval with respect to the light shading material, and a control unit for controlling the control members. | 06-14-2012 |
Hiroshi Akiyama, Souka-Shi, Saitama JP
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20150320308 | OPHTHALMOLOGIC IMAGING APPARATUS - An ophthalmologic imaging apparatus includes: a first optical system that applies an accommodation stimulus to a subject's eye; a tomographic image forming unit that includes a second optical system that splits light from a light source into signal light and reference light, and detects interference light between the signal light having travelled via the subject's eye and the reference light, and creates a tomographic image of the subject's eye based on a detection result of the interference light; and an analyzer that compares a first tomographic image with a second tomographic image to acquire change information indicating a change in a tissue of the subject's eye due to an accommodation stimulus change. The first and second tomographic images are respectively created by the tomographic image forming unit for the subject's eye, to which first and second accommodation stimuli are respectively applied by the first and second optical systems. | 11-12-2015 |