Patents by Inventor Masatoshi Watanabe
Masatoshi Watanabe 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: 20130039466Abstract: To provide an X-ray imaging apparatus capable of easily adjusting the sensitivity or capable of easily extracting the amount of refraction of X-rays. An X-ray imaging apparatus irradiating an object to be measured with an X-ray beam from an X-ray source that generates X-rays of a first energy and X-rays of a second energy different from the first energy to measure an image of the object to be measured includes an attenuator and a detector. The attenuator attenuates the X-ray beam transmitted through the object to be measured and is configured so as to vary the amount of attenuation of the X-rays depending on a position on which the X-ray beam is incident. The detector detects the X-ray beam transmitted through the attenuator and is configured so as to detect the X-rays of the first energy and the second energy.Type: ApplicationFiled: April 19, 2011Publication date: February 14, 2013Applicant: CANON KABUSHIKI KAISHAInventors: Kazunori Fukuda, Kazuhiro Takada, Taihei Mukaide, Masatoshi Watanabe
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Publication number: 20120321042Abstract: Provided is an X-ray imaging apparatus and an X-ray imaging method that offer an alternative for a refraction contrast method. A first scintillator and a second scintillator are used, the first scintillator generating first fluorescent light when X-rays separated by the separating element are incident thereon, and a second scintillator generating second fluorescent light when X-rays separated by the separating element are incident thereon. The second scintillator has a fluorescence emission intensity gradient such that an amount of emitted fluorescent light changes in accordance with a change in a position at which the X-rays are incident.Type: ApplicationFiled: February 23, 2011Publication date: December 20, 2012Applicant: CANON KABUSHIKI KAISHAInventors: Masatoshi Watanabe, Taihei Mukaide, Kazuhiro Takada, Kazunori Fukuda
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Publication number: 20120294421Abstract: An X-ray imaging apparatus acquiring a differential phase contrast image of a test object without using a light-shielding mask for X-ray. The apparatus includes an X-ray source, a splitting element configured to spatially divide an X-ray emitted from an X-ray source and a scintillator configured to emit light when a divided X-ray beam divided at the splitting element is incident on the scintillator. The apparatus also includes a light-transmission limiting unit configured to limit transmitting amount of the light emitted from the scintillator and a plurality of light detectors each configured to detect the amount of light that has transmitted through the light-transmission limiting unit. The light-transmission limiting unit is configured such that a light intensity detected at each of the light detectors changes in response to a change in an incident position of the X-ray beam.Type: ApplicationFiled: January 27, 2011Publication date: November 22, 2012Applicant: CANON KABUSHIKI KAISHAInventors: Taihei Mukaide, Takashi Noma, Kazunori Fukuda, Masatoshi Watanabe, Kazuhiro Takada
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Patent number: 8274078Abstract: Provided is an oxynitride semiconductor comprising a metal oxynitride. The metal oxynitride contains Zn and In and at least one element selected from the group consisting of Ga, Sn, Mg, Si, Ge, Y, Ti, Mo, W, and Al. The metal oxynitride has an atomic composition ratio of N, N/(N+O), of 7 atomic percent or more to 80 atomic percent or less.Type: GrantFiled: April 23, 2008Date of Patent: September 25, 2012Assignee: Canon Kabushiki KaishaInventors: Naho Itagaki, Tatsuya Iwasaki, Masatoshi Watanabe, Toru Den
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Patent number: 8249767Abstract: An eco-drive assist apparatus displays a quantity of eco-drive that indicates a degree of ecology and/or economy in driving in a hybrid vehicle equipped with an engine and a motor. The apparatus includes a first part configured to calculate the quantity of eco-drive on the basis of a vehicle power generated in the vehicle, and a second part configured to cause the quantity of eco-drive to be displayed in a graphic manner as a relative quantity to an eco-drive judgment threshold value that indicates whether the vehicle is in an eco-drive state and as a relative quantity to an engine startup threshold value that indicates whether the engine has been started up and configured to cause the quantity of eco-drive to be displayed on a boundary of the engine startup threshold value or displayed at a position where the quantity of eco-drive is worse than the engine startup threshold value when the engine has been started up.Type: GrantFiled: July 28, 2009Date of Patent: August 21, 2012Assignee: Fujitsu Ten LimitedInventors: Masatoshi Watanabe, Masato Ishio, Kohichi Tomiyama, Tomohiro Matsuo, Kan Saito
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Patent number: 8214158Abstract: A simplified X-ray imaging apparatus is capable of computationally determining effective atomic numbers with small error factors even for light elements. In one embodiment, the X-ray imaging apparatus has an X-ray generation unit 101 (400) for generating X-rays and a detector 105 (405) for detecting X-rays transmitted through an object of examination 104 (403). A computing unit 106 (406) computationally determines a quantity of an X-ray phase attributable to the object of examination and an X-ray transmittance of the object of examination from data detected by the detector. The computing unit also computationally determines an effective atomic number of the object of examination from ?et determined from the quantity of the X-ray phase and ?t determined from the X-ray transmittance.Type: GrantFiled: March 11, 2009Date of Patent: July 3, 2012Assignee: Canon Kabushiki KaishaInventors: Taihei Mukaide, Kazuhiro Takada, Masatoshi Watanabe
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Patent number: 8207838Abstract: An eco-drive assist apparatus that displays a quantity of eco-drive that indicates a degree of ecology and/or economy in driving in a hybrid vehicle equipped with an engine and a motor, includes: a first part configured to calculate the quantity of eco-drive on the basis of a vehicle power generated in the vehicle; and a second part configured to cause the quantity of eco-drive to be displayed in a graphic manner as a relative quantity to an eco-drive judgment threshold value that indicates whether the vehicle is in an eco-drive state and to cause the quantity of eco-drive to be displayed in a graphic manner as a relative quantity to an engine startup threshold value that indicates whether the engine is started up.Type: GrantFiled: July 28, 2009Date of Patent: June 26, 2012Assignee: Fujitsu Ten LimitedInventors: Masatoshi Watanabe, Masato Ishio, Kohichi Tomiyama, Tomohiro Matsuo, Kan Saito
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Publication number: 20120095368Abstract: An object is to provide a blood collection set configured such that a sampling holder and a needlestick-preventive needle cover are more difficult to disengage from each other than conventional. A blood collection set (500) includes a sampling holder (100) and a needlestick-preventive needle cover (200). The sampling holder (100) includes a tubular body (110), a lid (130), and a fitting portion (140) having a circumferential rib as a rib portion and a catching portion. The needlestick-preventive needle cover (200) includes an engaging portion (250) that is engageable with the catching portion of the sampling holder (100).Type: ApplicationFiled: June 28, 2010Publication date: April 19, 2012Applicant: KAWASUMI LABORATORIES, INC.Inventors: Masayuki Morita, Masatoshi Watanabe, Takenori Sakura
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Publication number: 20120062222Abstract: An aspect of the present disclosure, there is provided a magnetic detection device including a magnetic detection unit including a magnetic sensor unit and a comparison unit, the magnetic sensor unit detecting a magnetic flux density, amplifying the detection signal and outputting an output signal to the comparison unit as a mode selected from one of a first mode and a second mode of which power consumption is lower than that of the first mode, the comparison unit comparing the output signal and a reference voltage as a threshold level which determines magnetic field being formed or not, and outputting a comparison result, a conversion gain control unit outputting a mode signal based on the comparison result to the magnetic sensor unit as the second mode when the mode signal is larger than the threshold level or as the first mode when the mode signal is smaller than the threshold level so as to control the magnetic sensor unit.Type: ApplicationFiled: August 31, 2011Publication date: March 15, 2012Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Masatoshi Watanabe, Yutaka Yadoumaru, Mitsuru Sugawara, Aikihiro Kawano
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Patent number: 8080335Abstract: A powder material which can electrochemically store and release lithium ions rapidly in a large amount is provided. In addition, an electrode structure for an energy storage device which can provide a high energy density and a high power density and has a long life, and an energy storage device using the electrode structure are provided. In a powder material which can electrochemically store and release lithium ions, the surface of particles of one of silicon metal and tin metal and an alloy of any thereof is coated by an oxide including a transition metal element selected from the group consisting of W, Ti, Mo, Nb, and V as a main component. The electrode structure includes the powder material. The battery device includes a negative electrode having the electrode structure, a lithium ion conductor, and a positive electrode, and utilizes an oxidation reaction of lithium and a reduction reaction of lithium ion.Type: GrantFiled: June 11, 2007Date of Patent: December 20, 2011Assignee: Canon Kabushiki KaishaInventors: Soichiro Kawakami, Hidetoshi Tsuzuki, Toshiaki Aiba, Rie Ueno, Masatoshi Watanabe
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Patent number: 8071832Abstract: A process converts ethylbenzene in a C8 aromatic hydrocarbon mixture containing a large amount of non-aromatic hydrocarbons, mainly to benzene, by which the xylene loss is small, the deactivation rate of the catalyst can be reduced, and a high conversion rate to p-xylene can be attained. The process for converting ethylbenzene includes bringing a feedstock containing an alicyclic hydrocarbon(s) in an amount of not less than 1.0% by weight, ethylbenzene and xylene into contact with hydrogen in the presence of a catalyst to convert ethylbenzene mainly to benzene, wherein the catalyst is mainly composed of MFI zeolite and an inorganic oxide(s) and rhenium-supported, and wherein the conversion is carried out at a reaction pressure of not less than 1.0 MPa-G.Type: GrantFiled: March 18, 2009Date of Patent: December 6, 2011Assignee: Toray Industries, Inc.Inventors: Takahiro Yoshikawa, Masatoshi Watanabe, Ryoji Ichioka
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Patent number: 8036336Abstract: A simplified X-ray imaging apparatus is capable of computationally determining effective atomic numbers with small error factors even for light elements. The X-ray imaging apparatus has an X-ray generation unit 101 (400) for generating X-rays and a detector 105 (405) for detecting X-rays transmitted through an object of examination 104 (403). A computing unit 106 (406) computationally determines a quantity of an X-ray phase attributable to the object of examination and an X-ray transmittance of the object of examination from data detected by the detector. The computing unit also computationally determines an effective atomic number of the object of examination from ?et determined from the quantity of the X-ray phase and ?t it determined from the X-ray transmittance.Type: GrantFiled: July 12, 2010Date of Patent: October 11, 2011Assignee: Canon Kabushiki KaishaInventors: Taihei Mukaide, Kazuhiro Takada, Masatoshi Watanabe
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Publication number: 20110206184Abstract: The invention is aimed to provide an X-ray imaging apparatus and the like ensuring a sufficient range of detecting the amount of X-ray movement with respect to the pixel size of a detector in comparison with the method disclosed in International Publication No. WO2008/029107. The X-ray imaging apparatus of the present invention has a splitting element which spatially linearly splits an X-ray; and a shielding unit which shields a part of the X-ray which is split by the splitting element and whose position is changed by a test object. The shielding unit has a region transmitting an X-ray and a region having a shielding element shielding an X-ray. A dividing line between the X-ray transmitting region and the region having the shielding element is configured to be arranged obliquely so as to cross the linearly split X-ray.Type: ApplicationFiled: June 9, 2010Publication date: August 25, 2011Applicant: CANON KABUSHIKI KAISHAInventors: Taihei Mukaide, Kazuhiro Takada, Kazunori Fukuda, Masatoshi Watanabe
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Publication number: 20110194674Abstract: An X-ray imaging apparatus and an X-ray imaging method can alleviate the influence of scattered X-rays relative to the obtained image. A differential phase contrast image or a phase contrast image of a detection object is computed by using a splitting element and an exposure control unit that synchronizes the X-ray scanning speed and the image acquisition speed of a detecting unit.Type: ApplicationFiled: November 29, 2010Publication date: August 11, 2011Applicant: CANON KABUSHIKI KAISHAInventors: Taihei Mukaide, Kazunori Fukuda, Masatoshi Watanabe, Kazuhiro Takada, Takashi Noma
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Patent number: 7985251Abstract: A stent having a generally tubular body formed of ring units formed of a plurality of cells each and expandable in the radial direction, wherein each ring unit is constituted of cells connected to one another above and below, arranged to surround the center line of the stent, the ring units are arranged in the axial direction of the stent, and are connected with connector portions, each connector portion is formed of curved portions each having an arch and a generally linear portion continued thereto, 3 to 8 cells are arranged in the axial direction per 10 mm of the length of the stent, and the ratio of the length of the cell in the axial direction and the length of the connector portion is determined such that on the basis that when the length of the cell is 100, that of the connector portion 50 to 100, thereby securing flexibility and radial sustaining force.Type: GrantFiled: October 16, 2002Date of Patent: July 26, 2011Assignees: Kawasumi Laboratories, Inc.Inventors: Ken Ikeuchi, Kouji Mori, Hiroo Iwata, Kazuaki Mitsudou, Hiroaki Nomiyama, Yoshiharu Yoshikawa, Masatoshi Watanabe, Shuzou Yamashita, Kazunori Murakami
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Publication number: 20110176662Abstract: An X-ray imaging apparatus and an X-ray imaging method for use in the X-ray imaging apparatus are provided. The X-ray imaging apparatus includes a separating element configured to spatially separate an X-ray generated by an X-ray generator unit and a scintillator array including a plurality of first scintillators arranged therein, where the separated X-rays are made incident on the first scintillators. Each of the first scintillators is configured to vary an intensity of fluorescence induced by the X-ray in accordance with an incident position of the X-ray. The X-ray imaging apparatus further includes a detector configured to detect the intensity of fluorescence emitted from the scintillator array.Type: ApplicationFiled: July 23, 2010Publication date: July 21, 2011Applicant: CANON KABUSHIKI KAISHAInventors: Masatoshi Watanabe, Taihei Mukaide, Kazuhiro Takada, Kazunori Fukuda
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Publication number: 20110168905Abstract: An X-ray detector includes an X-ray photoelectric conversion layer configured to produce electric charges in proportion to X-ray irradiation incident on the layer, a collecting electrode configured to collect the electric charges produced by the X-ray photoelectric conversion layer, a common electrode disposed on a surface of the X-ray photoelectric conversion layer opposite to the collecting electrode, a storage capacitor configured to store the electric charges collected by the collecting electrode, and a readout unit configured to read out the electric charges stored in the storage capacitor. A voltage is to be applied between the collecting electrode and the common electrode. The X-ray photoelectric conversion layer is formed of a polycrystalline oxide.Type: ApplicationFiled: January 4, 2011Publication date: July 14, 2011Applicant: CANON KABUSHIKI KAISHAInventors: Hisato Yabuta, Nobuyuki Kaji, Ryo Hayashi, Masatoshi Watanabe, Taihei Mukaide, Kazunori Fukuda
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Publication number: 20110158389Abstract: An X-ray imaging apparatus for obtaining information on a phase shift of an X-ray caused by an object comprises: an splitting element for splitting spatially an X-ray emitted from an X-ray generator unit into X-ray beams; an attenuator unit having an arrangement of attenuating elements for receiving the X-ray beams split by the splitting element; and an intensity detector unit for detecting intensities of X-ray beams attenuated by the attenuator unit; and the attenuating element changing continuously the transmission amount of the X-ray depending on the X-ray incident position on the element.Type: ApplicationFiled: November 19, 2009Publication date: June 30, 2011Applicant: CANON KABUSHIKI KAISHAInventors: Taihei Mukaide, Kazuhiro Takada, Kazunori Fukuda, Masatoshi Watanabe
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Patent number: 7958717Abstract: A gas turbine power generator plant, intended to reduce its noise by making small the intake and exhaust outlets of the cooing air channel of a case, comprises an engine core in which a turbine, a compressor and a generator are installed on the same axis, a combustor for burning air for combustion compressed by the compressor and supplying the air to the turbine, a radiator for cooling a coolant or a lubricant, a cooling fan for ventilating the radiator with cooling air, an electric power converter for converting electric power generated by the generator, and the case for housing these constituent elements. And, a combustion air channel passing the compressor, the combustor and the turbine and a cooling air channel passing the radiator, the cooling fan and the electric power converter are formed as mutually independent channels from intake to exhaust.Type: GrantFiled: June 9, 2008Date of Patent: June 14, 2011Assignee: Hitachi, Ltd.Inventors: Susumu Nakano, Masaya Ichinose, Masanori Watanabe, Kuniyoshi Tsubouchi, Toshihiko Fukushima, Masatoshi Watanabe
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Patent number: D658597Type: GrantFiled: March 9, 2011Date of Patent: May 1, 2012Assignee: Kubota CorporationInventors: Junta Kuwae, Masatoshi Watanabe