Patents by Inventor Yoshinori Shimizu
Yoshinori Shimizu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 8685762Abstract: A light emitting device comprises: an LED chip having a quantum well structure and a light emitting layer made of a gallium nitride compound semiconductor; a first transparent material covering the LED chip; a second transparent material for protecting the LED chip and the first transparent material; and a phosphor for absorbing a part of the light from the LED chip and emitting a light having a wavelength different from the light from the LED chip; wherein the phosphor is included in second transparent material, and the light from the LED chip and the light from said phosphor are mixed to make a white light.Type: GrantFiled: August 15, 2011Date of Patent: April 1, 2014Assignee: Nichia CorporationInventors: Yoshinori Shimizu, Kensho Sakano, Yasunobu Noguchi, Toshio Moriguchi
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Publication number: 20140084323Abstract: A light emitting device containing a semiconductor light emitting component and a phosphor, the phosphor is capable of absorbing a part of light emitted by the light emitting component and emitting light of a wavelength different from that of the absorbed light, is provided. A straight line connecting a point of chromaticity corresponding to a spectrum generated by the light emitting component and a point of chromaticity corresponding to a spectrum generated by the phosphor is substantially along a black body radiation locus in a chromaticity diagram.Type: ApplicationFiled: November 26, 2013Publication date: March 27, 2014Applicant: NICHIA CorporationInventors: Yoshinori SHIMIZU, Kensho SAKANO, Yasunobu NOGUCHI, Toshio MORIGUCHI
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Patent number: 8679866Abstract: A light emitting device comprises: an LED chip having a quantum well structure and a light emitting layer made of a gallium nitride compound semiconductor; a first transparent material covering the LED chip; a second transparent material for protecting the LED chip and the first transparent material; and a phosphor for absorbing a part of the light from the LED chip and emitting a light having a wavelength different from the light from the LED chip; wherein the phosphor is included in second transparent material, and the light from the LED chip and the light from said phosphor are mixed to make a white light.Type: GrantFiled: November 16, 2010Date of Patent: March 25, 2014Assignee: Nichia CorporationInventors: Yoshinori Shimizu, Kensho Sakano, Yasunobu Noguchi, Toshio Moriguchi
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Patent number: 8633945Abstract: According to one embodiment, an image processing apparatus includes following units. The correspondence table describes a relationship between blood vessel contrasts and reference contrast medium concentrations and reference X-ray conditions. The acquisition unit acquires a blood vessel contrast by referring to the correspondence table based on the planned value of a contrast medium concentration and the X-ray condition. The calculation unit calculates a predictive pixel value of a region of interest set on the X-ray image based on the blood vessel contrast. The display unit displays the X-ray image while superimposing a partial image with the predictive pixel value on the region of interest.Type: GrantFiled: May 24, 2012Date of Patent: January 21, 2014Assignees: Kabushiki Kaisha Toshiba, Toshiba Medical Systems CorporationInventors: Keisuke Nakamura, Shingo Abe, Yoshinori Shimizu
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Patent number: 8610147Abstract: A light emitting device containing a semiconductor light emitting component and a phosphor, the phosphor is capable of absorbing a part of light emitted by the light emitting component and emitting light of a wavelength different from that of the absorbed light, is provided. A straight line connecting a point of chromaticity corresponding to a spectrum generated by the light emitting component and a point of chromaticity corresponding to a spectrum generated by the phosphor is substantially along a black body radiation locus in a chromaticity diagram.Type: GrantFiled: September 14, 2009Date of Patent: December 17, 2013Assignee: Nichia CorporationInventors: Yoshinori Shimizu, Kensho Sakano, Yasunobu Noguchi, Toshio Moriguchi
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Patent number: 8587930Abstract: Gas-insulated bus is provided with: current-carrying conductor disposed along axial direction of metallic container that is filled with insulating-gas; shield fitting through which passes current-carrying conductor and that has depressed portion formed on portion of barrel-shaped outer surface; insulating support that has second end thereof fixed in depressed portion of shield fitting and has first end thereof fixed to metallic-container, and that supports current-carrying conductor via shield fitting; internal conductor being implanted in second end of insulating support and being, along with second end, positioned in depressed portion and fixed to shield fitting; and contact being attached to inner surface of shield fitting, being disposed in space formed on inside of shield fitting, and that makes contact with current-carrying conductor so as to maintain shield fitting and current-carrying conductor at same electric potential, wherein internal conductor has such shape that internal conductor and shield fitType: GrantFiled: July 17, 2009Date of Patent: November 19, 2013Assignee: Mitsubishi Electric CorporationInventors: Yoshinori Shimizu, Hitoshi Sadakuni, Masato Kawahigashi
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Patent number: 8546687Abstract: A foreign matters trap in which a metallic corrugated plate is arranged in a ground tank so that a line connecting portions of the corrugated plate having the same height is made parallel to a central axis of the ground tank, a metallic round rod is mounted to an corrugated end of the corrugated plate, the corrugated plate and the metallic round rod are connected electrically to each other, and a surface of the corrugated plate is covered by an insulating material. The foreign matters trap is capable of surely trapping metallic foreign matters in a gas insulated electric apparatus and suppressing concentration of an electric field to become excellent in voltage endurance and which can be readily mounted in a ground tank.Type: GrantFiled: October 22, 2007Date of Patent: October 1, 2013Assignee: Mitsubishi Electric CorporationInventors: Takao Tsurimoto, Manabu Yoshimura, Hitoshi Sadakuni, Yoshinori Shimizu, Takashi Miyamoto
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Patent number: 8488853Abstract: An X-ray imaging apparatus is configured to subtract a first X-ray image from a second X-ray image to generate a first subtraction image showing information on a blood vessel, calculate an amount of pixel shift between the first X-ray image and the third X-ray image, subtract the first X-ray image from the third X-ray image to generate a second subtraction image showing information on an insertion instrument, and combine the first subtraction image with the second subtraction image to generate a synthetic image by performing a pixel shift correction based on the amount of pixel shift.Type: GrantFiled: May 27, 2011Date of Patent: July 16, 2013Assignees: Kabushiki Kaisha Toshiba, Toshiba Medical Systems CorporationInventors: Naotaka Sato, Shingo Abe, Yoshinori Shimizu, Kunio Shiraishi
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Publication number: 20130101084Abstract: According to one embodiment, an image generation unit generates a first image during a large aperture period and a second image during a small aperture period. An image combining unit generates a composite image based on the latest second image and the specific first image. A display unit displays the composite image in real time. A determination unit determines whether to update the first image based on an index associated with the anatomical positional shift between the first image and the second image. A driving control unit enlarges a aperture to the large aperture, when the determination unit determines to update, and maintains the aperture at the small aperture, when the determination unit determines not to update.Type: ApplicationFiled: December 11, 2012Publication date: April 25, 2013Inventor: Yoshinori SHIMIZU
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Publication number: 20120299686Abstract: A static apparatus includes an iron core which includes a plurality of magnetic plates stacked in one direction and in which a shaft portion having a main surface and a side surface is formed, and a coil wound around the shaft portion. Slits extending in an axial direction of the shaft portion are formed in at least a surface layer magnetic plate constituting the main surface, of the plurality of magnetic plates. Some of the slits are formed in the main surface, at an end portion close to the side surface, at a predetermined formation density. The formation density of the slits is highest at the predetermined formation density, and is reduced as at least one of a minimum distance from the side surface within the main surface and a distance from the main surface on a side close to the slits in the stacking direction is increased.Type: ApplicationFiled: October 22, 2010Publication date: November 29, 2012Applicant: Mitsubishi Electric CorporationInventors: Tetsuya Matsuda, Ryuichi Nishiura, Hiroyuki Akita, Takeshi Imura, Yasuo Fujiwara, Yoshinori Shimizu, Kazuaki Aono
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Patent number: 8309375Abstract: A method for manufacturing a light emitting device comprises: preparing a light emitting component having an active layer of a semiconductor, the active layer comprising a gallium nitride based semiconductor containing indium and being capable of emitting a blue color light; preparing a phosphor capable of absorbing a part of the blue color light emitted from the light emitting component and emitting a yellow color light, wherein selection of the phosphor is controlled based on an emission wavelength of the light emitting component; and combining the light emitting component and the phosphor so that the blue color light from the light emitting component and the yellow color light from the phosphor are mixed to make a white color light.Type: GrantFiled: November 9, 2010Date of Patent: November 13, 2012Assignee: Nichia CorporationInventors: Yoshinori Shimizu, Kensho Sakano, Yasunobu Noguchi, Toshio Moriguchi
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Publication number: 20120229504Abstract: According to one embodiment, an image processing apparatus includes following units. The correspondence table describes a relationship between blood vessel contrasts and reference contrast medium concentrations and reference X-ray conditions. The acquisition unit acquires a blood vessel contrast by referring to the correspondence table based on the planned value of a contrast medium concentration and the X-ray condition. The calculation unit calculates a predictive pixel value of a region of interest set on the X-ray image based on the blood vessel contrast. The display unit displays the X-ray image while superimposing a partial image with the predictive pixel value on the region of interest.Type: ApplicationFiled: May 24, 2012Publication date: September 13, 2012Inventors: Keisuke NAKAMURA, Shingo ABE, Yoshinori SHIMIZU
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Publication number: 20120146760Abstract: A transformer includes a leg iron core including a plurality of magnetic sheets stacked in one direction (Z axis direction), and a coil wound around the leg iron core. A slit is formed in at least a magnetic sheet which faces an inner peripheral surface of the coil in a stacking direction of the plurality of magnetic sheets, of the plurality of magnetic sheets. Since eddy current is divided by the slit, eddy current density can be reduced. By reducing the eddy current density, loss density in an iron core can be reduced. By reducing the loss density in the iron core, loss in the transformer can be reduced.Type: ApplicationFiled: October 19, 2010Publication date: June 14, 2012Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Ryuichi Nishiura, Yasuo Fujiwara, Yoshinori Shimizu, Telsuya Matsuda, Takeshi Imura, Kazuaki Aono, Hiroyuki Akita
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Patent number: 8189323Abstract: A gas-insulated switchgear apparatus includes a center conductor 2, a current transformer 4 surrounding the center conductor 2, an electric field shield 5, and a metallic vessel 1. The electric field shield 5 is located between the center conductor 2 and the current transformer 4 and surrounds the center conductor 2. The current transformer 4 and the electric field shield 5 constitute a tubular part that outputs a signal representing an electric physical quantity. The metallic vessel 1 is filled with an insulating gas 19. The tubular part has an opening 6 formed therein. In a posture in which the center axis of the tubular part about which the tubular part surrounds the center conductor 2 is substantially horizontal, the opening 6 is located in a surface of the tubular part, which surface is included in a lower portion of the tubular part and faces the center conductor 2.Type: GrantFiled: December 1, 2009Date of Patent: May 29, 2012Assignee: Mitsubishi Electric CorporationInventors: Takao Tsurimoto, Takashi Miyamoto, Manabu Yoshimura, Osamu Kisanuki, Yoshinori Shimizu
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Patent number: 8173896Abstract: A fluid-insulated electrical apparatus includes a grounded tank which is an airtight metal vessel filled with an insulating fluid. A conductor to which a high voltage is applied is disposed in the grounded tank. A metal plate that is press-processed to have an inclined portion and a groove between adjacent head top portions is fixed to and electrically connected to an inner wall of the grounded tank.Type: GrantFiled: July 20, 2009Date of Patent: May 8, 2012Assignee: Mitsubishi Electric CorporationInventors: Takashi Miyamoto, Takao Tsurimoto, Manabu Yoshimura, Yoshinori Shimizu, Osamu Kisanuki
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Publication number: 20120103645Abstract: Gas-insulated bus is provided with: current-carrying conductor disposed along axial direction of metallic container that is filled with insulating-gas; shield fitting through which passes current-carrying conductor and that has depressed portion formed on portion of barrel-shaped outer surface; insulating support that has second end thereof fixed in depressed portion of shield fitting and has first end thereof fixed to metallic-container, and that supports current-carrying conductor via shield fitting; internal conductor being implanted in second end of insulating support and being, along with second end, positioned in depressed portion and fixed to shield fitting; and contact being attached to inner surface of shield fitting, being disposed in space formed on inside of shield fitting, and that makes contact with current-carrying conductor so as to maintain shield fitting and current-carrying conductor at same electric potential, wherein internal conductor has such shape that internal conductor and shield fitType: ApplicationFiled: July 17, 2009Publication date: May 3, 2012Applicant: Mitsubishi Electric CorporationInventors: Yoshinori Shimizu, Hitoshi Sadakuni, Masato Kawahigashi
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Patent number: 8148177Abstract: A light emitting device containing a semiconductor light emitting component and a phosphor, the phosphor is capable of absorbing a part of light emitted by the light emitting component and emitting light of a wavelength different from that of the absorbed light, is provided. A straight line connecting a point of chromaticity corresponding to a spectrum generated by the light emitting component and a point of chromaticity corresponding to a spectrum generated by the phosphor is substantially along a black body radiation locus in a chromaticity diagram.Type: GrantFiled: August 27, 2009Date of Patent: April 3, 2012Assignee: Nichia CorporationInventors: Yoshinori Shimizu, Kensho Sakano, Yasunobu Noguchi, Toshio Moriguchi
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Publication number: 20120061352Abstract: A gas-insulated switchgear includes a fixed-side electrode having a tubular fixed-side-conducting contact and a fixed-side shield for housing the fixed-side-conducting contact, and a movable-side electrode having a movable conductor driven by a driving unit to be connected to and separated from the fixed-side-conducting contact, facing each other in a container filled with an insulating gas. The switchgear includes a fixed-side-arc shield in the form of a circular plate, which is made of an arc-resistant member and has an opening of a diameter larger than the outer diameter of the movable conductor, the opening being formed on the side of the fixed-side shield facing the movable-side electrode. The fixed-side-arc shield is formed into a thin plate so as to cause an arc current to flow outward in a radial direction during contact parting of the fixed-side-conducting contact and the movable conductor to generate magnetic flux on a surface thereof in a circumferential direction.Type: ApplicationFiled: June 25, 2009Publication date: March 15, 2012Applicant: Mitsubishi Electric CorporationInventors: Yoshinori Shimizu, Hitoshi Sadakuni
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Patent number: 8106326Abstract: A valley section is provided between a high-voltage arc contact and a high-voltage main contact. Because of the presence of the valley section, resistance between contacts is reduced while a moving arc contact makes contact with the high-voltage arc contact and then slides up to making contact with the high-voltage main contact.Type: GrantFiled: December 10, 2008Date of Patent: January 31, 2012Assignee: Mitsubishi Electric CorporationInventors: Shinichiro Nakauchi, Yoshinori Shimizu
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Publication number: 20110297990Abstract: A light emitting device comprises: an LED chip having a quantum well structure and a light emitting layer made of a gallium nitride compound semiconductor; a first transparent material covering the LED chip; a second transparent material for protecting the LED chip and the first transparent material; and a phosphor for absorbing a part of the light from the LED chip and emitting a light having a wavelength different from the light from the LED chip; wherein the phosphor is included in second transparent material, and the light from the LED chip and the light from said phosphor are mixed to make a white light.Type: ApplicationFiled: August 15, 2011Publication date: December 8, 2011Inventors: Yoshinori Shimizu, Kensho Sakano, Yasunobu Noguchi, Toshio Moriguchi