Kazuyoshi Itoh
Kazuyoshi Itoh, Ebina-Shi JP
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20100215414 | FIXING DEVICE, IMAGE FORMING APPARATUS AND MAGNETIC FIELD GENERATING DEVICE - The fixing device includes: a fixing member that includes a conductive layer capable of heating by electromagnetic induction; a magnetic field generating member that generates an alternate-current magnetic field intersecting with the conductive layer of the fixing member; plural magnetic path forming members that form a magnetic path of the alternate-current magnetic field generated by the magnetic field generating member; a support member that supports the magnetic field generating member; an elastic support member that is arranged between the magnetic field generating member and the plural magnetic path forming members so as to be in contact with the plural magnetic path forming members; and a pressing member that presses the plural magnetic path forming members toward the magnetic field generating member. | 08-26-2010 |
20120243923 | IMAGE FORMING APPARATUS AND FIXING DEVICE - An image forming apparatus includes: a toner image forming unit; a transfer unit transferring a toner image onto a recording medium; and a fixing unit. The fixing unit includes: a fixing member fixing toner onto a recording medium with a conductive layer heated by electromagnetic induction; a pressure member coming into pressure contact with an outer peripheral surface of the fixing member, forming a fixing pressure portion between the pressure member and the fixing member; a magnetic field generating member generating an alternate-current magnetic field intersecting with the conductive layer; and a heat storage member contacting the fixing member and facing the magnetic field generating member with the fixing member interposed therebetween, the heat storage member generating heat to supply heat to the fixing member. The image forming apparatus further includes first and second power supplies respectively supplying power to the magnetic field generating member and the heat storage member. | 09-27-2012 |
Kazuyoshi Itoh, Hyogo JP
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20110267487 | SOLID-STATE IMAGE PICKUP DEVICE, IMAGING DEVICE, AND DISPERSING ELEMENT - A solid-state image pickup device capable of taking more light into light receiving regions is provided. The solid-state image pickup device of the present invention includes: a photoelectric conversion unit having a plurality of light receiving regions that are two-dimensionally arrayed, the photoelectric conversion unit for photoelectrically converting light incident on each of the light receiving regions, and outputting an electric signal according to the intensity of the incident light; a lens unit comprising a plurality of converging lenses provided on an upper layer of the photoelectric conversion unit, each of the converging lens being provided corresponding to a set of continuous first to third light receiving regions; and a dispersing element provided between the photoelectric conversion unit and the lens unit, the dispersing element being formed of a medium whose refractive index varies periodically, and diffracting beams of a first wavelength band and of a third wavelength band, having been transmitted through the converging lens, and directing the beams onto the first light receiving region and the third light receiving region, and transmitting, without diffracting, a beam of a second wavelength band, having been transmitted through the converging lens, and directing the beam onto the second light receiving region. | 11-03-2011 |
Kazuyoshi Itoh, Suita-Shi JP
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20130088770 | SPECTRAL WIDTH NARROWING METHOD, OPTICAL ELEMENT AND LIGHT SOURCE DEVICE - The present invention provides a method for narrowing a spectral width that can also be adapted to an ultrashort optical pulse emitted from a wavelength tunable light source, and that can provide an output optical pulse with a narrow spectral width and a low noise component, and an optical element and a light source device that use the method for narrowing a spectral width. The method includes using an optical waveguide member ( | 04-11-2013 |
20130184445 | METHOD FOR OBSERVING PROTEIN CRYSTAL - Provided are a method for observing protein crystal, wherein the growth process of the protein crystals is nondestructively and three-dimensionally monitored on a real-time basis and the growth of the crystals is controlled at a high accuracy to thereby enable the formation of single crystals having good qualities, which comprises observing the protein crystals, said protein crystals having been produced by a crystallization method using a gel, by an OCT measurement using light emitted from an ultrawideband light source; | 07-18-2013 |
Kazuyoshi Itoh, Kawanishi-Shi JP
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20130135615 | STIMULATED RAMAN SCATTERING MEASUREMENT APPARATUS - The measurement apparatus combines first and second lights from first and second light generators to focus the combined light to a sample, and detect the first or second light intensity-modulated by stimulated Raman scattering. The first light generator includes a light dispersion element separating the light from a light introducing optical system in different directions according to light frequencies, and drives at least one of the light dispersion element and part of the light introducing optical system so as to change an incident angle of the light to the light dispersion element to extract part of the separated light, thereby making a light frequency of the first light variable. The second light generator produces a plurality of the second lights having mutually different light frequencies. The apparatus measures a Raman spectrum by changing the light frequency of the first light. | 05-30-2013 |
20140043606 | STIMULATED RAMAN SCATTERING DETECTION APPARATUS - The stimulated Raman scattering detection apparatus includes first and second light pulse generators ( | 02-13-2014 |
20140253918 | RAMAN SCATTERING MEASURING APPARATUS AND RAMAN SCATTERING MEASURING METHOD - The Raman scattering measuring apparatus includes a first light generator to produce a first light, a second light generator to produce a second light having a frequency different from that of the first light, an optical system to focus the first and second lights to a sample, and a detector to detect the first or second light intensity-modulated by Raman scattering. The first light generator includes a wavelength extractor that performs a wavelength filtering to extract light of an extraction wavelength from light in a wavelength range including the extraction wavelength and an amplification of the light extracted by the wavelength filtering. The wavelength extractor performs a first filtering on an entering light, a first amplification on the light extracted by the first filtering, a second filtering on the light amplified by the first amplification and a second amplification on the light extracted by the second filtering. | 09-11-2014 |