Patents by Inventor Kenji Hamada
Kenji Hamada 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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Publication number: 20160087031Abstract: A semiconductor device including a terminal region that can suppress a resist collapse in manufacturing and effectively relieve a concentration of electric fields and a method for manufacturing the semiconductor device. The semiconductor device includes a semiconductor element formed in a semiconductor substrate made of a silicon carbide semiconductor of a first conductivity type and a plurality of ring-shaped regions of a second conductivity type formed in the semiconductor substrate while surrounding the semiconductor element in plan view. At least one of the plurality of ring-shaped regions includes one or more separation regions of the first conductivity type that cause areas of the first conductivity type on an inner side and an outer side of one of the ring-shaped regions to communicate with each other in plan view.Type: ApplicationFiled: May 2, 2014Publication date: March 24, 2016Applicant: Mitsubishi Electric CorporationInventors: Kohei EBIHARA, Naruhisa MIURA, Kenji HAMADA, Koji OKUNO
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Patent number: 9282324Abstract: A medical image diagnosis apparatus according to an embodiment includes a rendering processing unit, a display unit, and a control unit. The rendering processing unit is configured to perform rendering processing from a plurality of viewpoints on volume data that is three-dimensional medical image data to create a parallax image group composed of a predefined number of parallax images. The display unit is configured to display the parallax image group to display a stereoscopic image recognized stereoscopically by an observer. The control unit configured to perform control so that a composite image group of the parallax image group and an information image is displayed on the display unit in such a manner that a first region displaying the parallax image group on the display unit is distinguishable from a second region displaying the information image indicating information other than the parallax image group on the display unit.Type: GrantFiled: October 30, 2013Date of Patent: March 8, 2016Assignees: Kabushiki Kaisha Toshiba, Toshiba Medical Systems CorporationInventor: Kenji Hamada
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Patent number: 9192352Abstract: According to one embodiment, an ultrasonic diagnostic apparatus comprises a data acquisition unit, an image generation unit, a calculation unit, a determination unit and a measurement unit. The data acquisition unit acquires a plurality of ultrasonic data. The image generation unit generates a plurality of ultrasonic images by using the plurality of ultrasonic data. The calculation unit calculates a feature amount for determining a shift between the two-dimensional section and a central axis of a target blood vessel. The determination unit determines an optimal image from the plurality of ultrasonic images based on the feature amount. The measurement unit measures an intima-media thickness of the target blood vessel by using the optimal image.Type: GrantFiled: December 26, 2012Date of Patent: November 24, 2015Assignees: KABUSHIKI KAISHA TOSHIBA, Toshiba Medical Systems CorporationInventors: Cong Yao, Naohisa Kamiyama, Kenji Hamada, Naoki Yoneyama
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Publication number: 20150326041Abstract: There is provided a balancing device that equalizes voltages between storage cells of a battery composed of a plurality of series-connected storage cells or voltages between electrical storage modules composed of a plurality of series-connected storage cells of the battery. The balancing device equalizes voltages between the energy storage modules by transferring electric power between the electrical storage modules through an element to which all of the electrical storage modules are connected, the transferring being realized by on-off control of current supply to each of the electrical storage modules, the on-off control being performed with a first duty cycle. Further, the balancing device introduces a period in which the on-off control is performed with a second duty cycle, the second duty cycle being different from the first duty cycle.Type: ApplicationFiled: January 21, 2014Publication date: November 12, 2015Applicant: FDK CorporationInventors: Kenji HAMADA, Masatsuru MIYAZAKI
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Publication number: 20150001124Abstract: A press-through package for articles such as medicines which can reliably prevent a recipient from accidentally swallowing the whole package without opening it, including solid medicines M stored in a plurality of pockets of a base sheet one by one and the pockets sealed by a cover film having attached to the rear surface of the base sheet, wherein the entire package of the press-through package is made in a cylindrical form which cannot allow a recipient from accidentally swallowing and from which the medicines can be taken out easily.Type: ApplicationFiled: September 12, 2014Publication date: January 1, 2015Applicants: TITAN CO., LTD., YAMASHITA WORKS CO., LTD.Inventors: Kenji Yamashita, Akiyoshi Yasusato, Tetsuya Yamashita, Kenji Hamada, Goro Kuratani, Masakazu Sugino, Yuko Hanazono, Yoshihiko Matsuoka
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Publication number: 20140353678Abstract: A semiconductor device includes an active region formed in an upper layer portion of a semiconductor layer of a first conductivity type, and a plurality of electric field relaxation layers disposed from an edge of the active region toward the outside so as to surround the active region. The plurality of electric field relaxation layers include a plurality of first electric field relaxation layers and a plurality of second electric field relaxation layers alternately disposed adjacent to each other, the first electric field relaxation layer and the second electric field relaxation layer adjacent to each other forming a set. Impurities of a second conductivity type are implanted to the first electric field relaxation layers at a first surface density, widths of which becoming smaller as apart from the active region.Type: ApplicationFiled: August 2, 2012Publication date: December 4, 2014Applicant: Mitsubishi Electric CorporationInventors: Tsuyoshi Kawakami, Kenji Hamada, Kohei Ebihara, Akihiko Furukawa, Yuji Murakami
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Patent number: 8882671Abstract: Volume data are collected by swing scanning in which frames in different field angle settings are mixed by a wide scan set at a wide field angle to image a diagnostic target and an index part for recognizing the position of the diagnostic target and by a narrow scan set at a field angle ?2 narrower than the field angle in the wide scan to image the diagnostic target with high time resolution. Then, the wide ultrasonic image is used to set spatial coordinates based on the index part. The spatial coordinates are used to align the narrow ultrasonic image. While this positional relation is being maintained, the wide ultrasonic image, the narrow ultrasonic image and a given ultrasonic image are displayed in a predetermined form.Type: GrantFiled: October 15, 2009Date of Patent: November 11, 2014Assignees: Kabushiki Kaisha Toshiba, Toshiba Medical Systems CorporationInventors: Takuya Sasaki, Kenji Hamada
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Patent number: 8875891Abstract: A press-through package for articles such as medicines which can reliably prevent a recipient from accidentally swallowing the whole package without opening it, including solid medicines M stored in a plurality of pockets of a base sheet one by one and the pockets sealed by a cover film having attached to the rear surface of the base sheet, wherein the entire package of the press-through package is made in a cylindrical form which cannot allow a recipient from accidentally swallowing and from which the medicines can be taken out easily.Type: GrantFiled: May 16, 2011Date of Patent: November 4, 2014Assignees: Yamashita Works, Co., Ltd., Titan Co., Ltd.Inventors: Kenji Yamashita, Akiyoshi Yasusato, Tetsuya Yamashita, Kenji Hamada, Goro Kuratani, Masakazu Sugino, Yuko Hanazono, Yoshihiko Matsuoka
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Patent number: 8866158Abstract: A semiconductor device having a high withstand voltage in which a stable withstand voltage can be obtained and a method for manufacturing the same. A JTE region having a second conductivity type is formed in a port ion on an outer peripheral end side of an SiC substrate from a second conductivity type SiC region in a vicinal portion of a surface on one of sides in a thickness direction of a first conductivity type SiC epitaxial layer. A first conductivity type SiC region having a higher concentration of an impurity having the first conductivity type than that of the SiC epitaxial layer is formed in at least a vicinal portion of a surface on one of sides in a thickness direction of a portion in which the JTE regions are bonded to each other.Type: GrantFiled: March 29, 2012Date of Patent: October 21, 2014Assignee: Mitsubishi Electric CorporationInventors: Kenji Hamada, Tsuyoshi Kawakami
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Patent number: 8740798Abstract: According to one embodiment, an ultrasonic diagnosis apparatus includes an ultrasonic probe and an ultrasonic scanning unit configured to repeatedly scan an interior of an subject with an ultrasonic wave via the ultrasonic probe and repeatedly acquire echo signals. An image generation unit generates data of blood flow images based on the echo signals. An interpolation processing unit identifies at least one pixel in which clutter components occupy the majority of the pixel value, and to interpolate a pixel value of the identified pixel based on pixel values of at least two other blood flow images corresponding to a substantially same cardiac phase as that of the blood flow image including the identified pixel.Type: GrantFiled: June 24, 2010Date of Patent: June 3, 2014Assignees: Kabushiki Kaisha Toshiba, Toshiba Medical Systems CorporationInventor: Kenji Hamada
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Patent number: 8721548Abstract: According to one embodiment, an ultrasonic diagnosis apparatus includes a storage unit, a ultrasonic probe, a transmission/reception unit, a measured value calculation unit, a distance calculation unit, and a determination unit. The storage unit stores data of a state space based on a first measured values of a measurement item associated with an able-bodied person. The transmission/reception unit transmits ultrasonic waves to a subject via an ultrasonic probe, and generates reception signals corresponding to an ultrasonic waves reflected by the subject. The measured value calculation unit calculates a second measured value of the measurement item associated with the subject based on the reception signals. The distance calculation unit calculates a Mahalanobis distance of the subject based on the state space and the second measured value. The determination unit compares the Mahalanobis distance with a threshold to determine whether the subject has the disease evaluated by the measurement item.Type: GrantFiled: June 24, 2010Date of Patent: May 13, 2014Assignees: Kabushiki Kaisha Toshiba, Toshiba Medical Systems CorporationInventors: Tatsuro Baba, Naohisa Kamiyama, Shuichi Kawasaki, Cong Yao, Kenji Hamada
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Patent number: 8716717Abstract: A RESURF layer including a plurality of P-type implantation layers having a low concentration of P-type impurity is formed adjacent to an active region. The RESURF layer includes a first RESURF layer, a second RESURF layer, a third RESURF layer, a fourth RESURF layer, and a fifth RESURF layer that are arranged sequentially from the P-type base side so as to surround the P-type base. The second RESURF layer is configured with small regions having an implantation amount equal to that of the first RESURF layer and small regions having an implantation amount equal to that of the third RESURF layer being alternately arranged in multiple. The fourth RESURF layer is configured with small regions having an implantation amount equal to that of the third RESURF layer and small regions having an implantation amount equal to that of the fifth RESURF layer being alternately arranged in multiple.Type: GrantFiled: April 15, 2011Date of Patent: May 6, 2014Assignee: Mitsubishi Electric CorporationInventors: Tsuyoshi Kawakami, Akihiko Furukawa, Naruhisa Miura, Yasuhiro Kagawa, Kenji Hamada, Yoshiyuki Nakaki
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Publication number: 20140070150Abstract: A reflector and a light-emitting device including the same. The reflector includes a wholly aromatic liquid crystalline polyester amide resin compound that includes a repeating unit derived from a hydroxybenzoic acid, a repeating unit derived from a hydroxynaphthoic acid, and a repeating unit derived from an aminobenzoic acid, but does not include a repeating unit derived from an aromatic dicarboxylic acid, wherein the wholly aromatic liquid crystalline polyester amide resin compound further includes a white inorganic filler.Type: ApplicationFiled: November 28, 2011Publication date: March 13, 2014Applicant: SAMSUNG FINE CHEMICALS CO., LTD.Inventors: Kenji Hamada, Youn Eung Lee, Jin Kyu Lee, Young Taek Oh, Mahn Jong Kim
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Publication number: 20140055452Abstract: A medical image diagnosis apparatus according to an embodiment includes a rendering processing unit, a display unit, and a control unit. The rendering processing unit is configured to perform rendering processing from a plurality of viewpoints on volume data that is three-dimensional medical image data to create a parallax image group composed of a predefined number of parallax images. The display unit is configured to display the parallax image group to display a stereoscopic image recognized stereoscopically by an observer. The control unit configured to perform control so that a composite image group of the parallax image group and an information image is displayed on the display unit in such a manner that a first region displaying the parallax image group on the display unit is distinguishable from a second region displaying the information image indicating information other than the parallax image group on the display unit.Type: ApplicationFiled: October 30, 2013Publication date: February 27, 2014Applicants: Toshiba Medical Systems Corporation, Kabushiki Kaisha ToshibaInventor: Kenji HAMADA
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Publication number: 20140021489Abstract: A semiconductor device having a high withstand voltage in which a stable withstand voltage can be obtained and a method for manufacturing the same. A JTE region having a second conductivity type is formed in a portion on an outer peripheral end side of an SiC substrate from a second conductivity type SiC region in a vicinal portion of a surface on one of sides in a thickness direction of a first conductivity type SiC epitaxial layer. A first conductivity type SiC region having a higher concentration of an impurity having the first conductivity type than that of the SiC epitaxial layer is formed in at least a vicinal portion of a surface on one of sides in a thickness direction of a portion in which the JTE regions are bonded to each other.Type: ApplicationFiled: March 29, 2012Publication date: January 23, 2014Applicant: Mitsubishi Electric CorporationInventors: Kenji Hamada, Tsuyoshi Kawakami
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Publication number: 20140012519Abstract: A dynamic characteristic calculation apparatus for a machine tool calculates dynamic characteristic of the machine tool executing an interrupted machining by moving a rotational tool relative to a workpiece. The apparatus includes a detector detecting acoustic wave generated by vibration of the rotational tool or detecting magnetic property being variable by the vibration of the rotational tool where said rotational tool is excited to vibrate, and a calculation division calculating a natural frequency f of the one or plural tool tips in a vibration system, in which the one or plural tool tips of said rotational tool is a vibration body, on a basis of a value detected by the detector.Type: ApplicationFiled: June 25, 2013Publication date: January 9, 2014Inventors: Yoshihiko Yamada, Hiroshi Watanabe, Takayuki Azuma, Kenji Hamada
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Patent number: 8591420Abstract: An ultrasound imaging apparatus capable of easily displaying a three-dimensional image included in a region of interest (ROI). A display controller causes a display to display a tomographic image, and further causes the display to display a first marker indicating a three-dimensional scan range and a second marker indicating a range to generate three-dimensional image data, a range subjected to rendering, to be superimposed on a tomographic image. The second marker is rotatable on the tomographic image in accordance with an instruction by an operator. A transceiver causes an ultrasound probe to scan the three-dimensional scan range specified based on the first marker. An image processor executes rendering on, of data acquired in the scan, data included in the range specified based on the second marker, thereby generating three-dimensional image data.Type: GrantFiled: September 7, 2007Date of Patent: November 26, 2013Assignees: Kabushiki Kaisha Toshiba, Toshiba Medical Systems CorporationInventor: Kenji Hamada
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Publication number: 20130272812Abstract: The present invention discloses a machining control apparatus capable of decreasing a machining error, comprising: a rotation velocity decision process part for deciding a rotation velocity of the rotation tool in such a way that an amplitude of vibration of the rotation tool is decreased, based on a vibration state of the rotation tool and a vibration phase of the rotation tool when the rotation tool receives the cutting resistance force, in the case that the rotation tool vibrates due to the interrupted cutting resistance force generated in the rotation tool during the interrupted cutting; and a rotation velocity control part for controlling the rotation velocity(S) of the rotation tool based on the rotation velocity decided.Type: ApplicationFiled: September 14, 2011Publication date: October 17, 2013Applicant: JTEKT CorporationInventors: Kenji Hamada, Shinji Murakami, Yoshihiko Yamada
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Publication number: 20130268110Abstract: The present invention discloses a machining error calculation apparatus for calculating the machining error more precisely through analysis.Type: ApplicationFiled: September 14, 2011Publication date: October 10, 2013Applicant: JTEKT CORPORATIONInventor: Kenji Hamada
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Publication number: 20130253321Abstract: An ultrasonic diagnostic apparatus according to an embodiment includes an ultrasonic probe, a storage controller, and an output controller. The ultrasonic probe is configured to perform three-dimensional ultrasonic scanning under transmission/reception control. The storage controller is configured to control data generated by the three-dimensional scanning performed by the ultrasonic probe so as to be stored in a predetermined memory as a plurality of pieces of two-dimensional data generated by two-dimensionally scanning a plurality of predetermined cross-sections each of whose positions is continuously changed along a predetermined direction in a region of the three-dimensional scanning. The output controller is configured to control a plurality of pieces of two-dimensional image data based on the pieces of two-dimensional data stored in the predetermined memory so as to be output as moving image data to a predetermined output unit.Type: ApplicationFiled: March 21, 2013Publication date: September 26, 2013Applicants: Toshiba Medical Systems Corporation, Kabushiki Kaisha ToshibaInventors: Shinichi HASHIMOTO, Kenji Hamada