Patents by Inventor Kan Kitagawa
Kan Kitagawa 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: 8974971Abstract: A positive electrode for a rechargeable lithium ion battery includes a mixture layer including a positive-electrode active material, a conducting agent, and a binder and a collector having the mixture layer formed on the surface thereof. The positive-electrode active material is a composite oxide having an olivine structure expressed by a formula LiaMxPO4 (where M represents a transition metal including at least one of Fe and Mn and a and x satisfy 0<a?1.1 and 0.9?x?1.1). The conducting agent includes fibrous carbon. A carbon coating layer is formed on the surface of the collector. A part of the positive-electrode active material and a part of the fibrous carbon enter pits formed in the carbon coating layer.Type: GrantFiled: July 30, 2012Date of Patent: March 10, 2015Assignee: Hitachi, Ltd.Inventors: Toyotaka Yuasa, Mitsuru Kobayashi, Sai Ogawa, Masanari Oda, Kan Kitagawa
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Publication number: 20140331132Abstract: An apparatus includes: a receiving unit configured to receive an input operation from a user performed on an accepting unit displayed on a display unit; a determination unit configured to determine whether or not detailed information set in the accepting unit is displayed on the display unit in accordance with the input operation received by the receiving unit, and at least one of a display state of the accepting unit and an input area of the input operation in the accepting unit; and a display control unit configured to control a display of the accepting unit displayed on the display unit in accordance with a determination result provided by the determination unit.Type: ApplicationFiled: April 29, 2014Publication date: November 6, 2014Applicant: CANON KABUSHIKI KAISHAInventor: Kan Kitagawa
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Publication number: 20140209832Abstract: A positive electrode active material for a non-aqueous secondary battery having high capacity and high rate characteristics is intended to be provided. Further, a positive electrode for a non-aqueous secondary battery and a non-aqueous secondary battery are intended to be provided by using the positive electrode active material. The positive electrode active material for the non-aqueous secondary battery contains a lithium composite oxide having an olivine structure represented by the chemical formula: Li1+AMnXM1?X(PO4)1+B in which A>0, B>0, M represents a metal element, M in the chemical formula is one or more metal elements selected from Fe, Ni, Co, Ti, Cu, Zn, Mg, V, and Zr, the ratio A/B in the chemical formula is within a range of: 2<A/B?7, and the value of X is within a range of: 0.3?X<1.Type: ApplicationFiled: January 29, 2014Publication date: July 31, 2014Applicant: Hitachi Metals, Ltd.Inventors: Takashi NAKABAYASHI, Shin TAKAHASHI, Kan KITAGAWA, Toyotaka YUASA, Shuichi TAKANO, Mitsuru KOBAYASHI
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Patent number: 8725908Abstract: A peripheral apparatus control system that provides a device management screen capable of producing appropriate view contents and functions according to the use environment of each user for improving operability. The system includes an information processing apparatus, a peripheral apparatus, a driver capable of controlling the peripheral apparatus, a peripheral apparatus management function capable of managing the peripheral apparatus, and a peripheral apparatus management screen. The system determines a view content of the peripheral apparatus management screen according to an attribute of the driver.Type: GrantFiled: September 21, 2011Date of Patent: May 13, 2014Assignee: Canon Kabushiki KaishaInventor: Kan Kitagawa
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Patent number: 8682194Abstract: An information processing apparatus for displaying a peripheral device management screen to manage a peripheral device includes a storage unit, a management screen forming unit, an installation determination unit, a display determination unit, and a display control unit. The storage unit stores peripheral device management information that defines information to instruct execution of processing relating to the peripheral device from the peripheral device management screen. The management screen forming unit determines a configuration and a content of the peripheral device management screen based on the defined information. The installation determination unit determines whether to install the peripheral device management information. The display determination unit determines whether to automatically display the peripheral device management screen in response to the peripheral device management information being installed based on an installation determination result.Type: GrantFiled: March 13, 2012Date of Patent: March 25, 2014Assignee: Canon Kabushiki KaishaInventor: Kan Kitagawa
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Patent number: 8630026Abstract: There is provided an image processing method which determines the area of a document from an image read on a transparent platen, the image processing method also determines a single object area or a plurality of object areas from the image on the transparent platen, and when the luminance of the area in which the object area is removed from the image on the transparent platen is detected to determine the document area, the image processing method detects whether or not an image of a shadow exists around the periphery of the object area on the image of the transparent platen, and the threshold value used for determining the document area is different depending on whether a shadow is detected.Type: GrantFiled: June 25, 2010Date of Patent: January 14, 2014Assignee: Canon Kabushiki KaishaInventors: Mizuki Hayakawa, Kan Kitagawa, Yusuke Hattori
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Patent number: 8606018Abstract: An image processing method includes the steps of: reading an original placed on an original platen; executing a filtering process to extract a contour on the read image; extracting a contour group in broken lines from the image having the filtering process executed; forming one contour from the contour group in broken lines; determining an area of the original from the contours obtained in the filtering execution step and the forming step; and extracting an image of the determined original area from the read image.Type: GrantFiled: June 15, 2009Date of Patent: December 10, 2013Assignee: Canon Kabushiki KaishaInventor: Kan Kitagawa
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Patent number: 8530087Abstract: It is an object to provide a cathode for a secondary lithium battery in which adhesiveness and flexibility thereof are simultaneously achieved and the thickness thereof is made large, and the secondary lithium ion battery that has a large capacity and is excellent in safety and cycle life using the cathode. The cathode includes a current collector and a cathode mixture layer formed on the surface of the current collector. The cathode mixture layer is formed by stacking two layers one on another, each of which contains a cathode active material, a conductive material and a binder, and the cathode active material contains a lithium-containing composite oxide that forms a polyanion.Type: GrantFiled: January 27, 2011Date of Patent: September 10, 2013Assignee: Hitachi, Ltd.Inventors: Kan Kitagawa, Toyotaka Yuasa, Tatsuya Tooyama
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Patent number: 8493610Abstract: This invention is made to solve the problem that the conventional method cannot correctly determine whether an original is a halftone. To solve this, a method according to this invention detects, from an original, first and second feature pixels respectively exhibiting first and second features. A first feature pixel to first feature pixel distance and second feature pixel to second feature pixel distance are calculated from neighboring first feature pixels and neighboring second feature pixels, respectively. The average of the first feature pixel to first feature pixel distance and the neighboring second feature pixel to second feature pixel distance is calculated as a feature pixel to feature pixel distance. A histogram is generated by the appearance count of only a feature pixel to feature pixel distance for which the same value successively appears. Whether the read original is a halftone is discriminated based on this histogram.Type: GrantFiled: March 2, 2010Date of Patent: July 23, 2013Assignee: Canon Kabushiki KaishaInventors: Kan Kitagawa, Mizuki Hayakawa
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Publication number: 20130071722Abstract: A positive electrode for a rechargeable lithium ion battery includes a mixture layer including a positive-electrode active material, a conducting agent, and a binder and a collector having the mixture layer formed on the surface thereof. The positive-electrode active material is a composite oxide having an olivine structure expressed by a formula LiaMxPO4 (where M represents a transition metal including at least one of Fe and Mn and a and x satisfy 0<a?1.1 and 0.9?x?1.1). The conducting agent includes fibrous carbon. A carbon coating layer is formed on the surface of the collector. A part of the positive-electrode active material and a part of the fibrous carbon enter pits formed in the carbon coating layer.Type: ApplicationFiled: July 30, 2012Publication date: March 21, 2013Applicant: HITACHI, LTD.Inventors: Toyotaka Yuasa, Mitsuru Kobayashi, Sai Ogawa, Masanari Oda, Kan Kitagawa
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Publication number: 20120315512Abstract: A positive-electrode material for a lithium ion battery includes two or more types of positive-electrode active materials which are expressed by a chemical formula LiMPO4 (where M includes one or more types of metal elements selected from the group consisting of Mn, Fe, Co, and Ni) and which have an olivine structure. The M in at least one of the positive-electrode active materials includes two or more types of metal elements. An open circuit voltage curve in charging includes an initial rising region, one or more flat regions, one or more detectable voltage varying regions, and a terminal rising region in a state-of-charge region of 0% to 100%.Type: ApplicationFiled: June 8, 2012Publication date: December 13, 2012Applicant: HITACHI, LTD.Inventors: Kan KITAGAWA, Hiroshi IWASAWA, Shin YAMAUCHI, Shin TAKAHASHI
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Publication number: 20120301780Abstract: A positive electrode active material for a lithium ion battery includes a material represented by chemical formula LiMPO4 where M includes at least one of iron, manganese, cobalt, and nickel. Particles of the positive electrode active material have a diameter d in the range of 10 nm to 200 nm, the diameter d being determined by observation under a transmission electron microscope. A ratio d/D of the diameter d to a crystallite diameter D is in the range of 1 to 1.35, the crystallite diameter D being determined from a half width measured by X-ray diffraction. The positive electrode active material is coated with carbon, an amount of the carbon being in the range of 1 weight percent to 10 weight percent.Type: ApplicationFiled: May 24, 2012Publication date: November 29, 2012Inventors: Kan KITAGAWA, Toyotaka Yuasa
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Publication number: 20120250085Abstract: An information processing apparatus for displaying a peripheral device management screen to manage a peripheral device includes a storage unit, a management screen forming unit, an installation determination unit, a display determination unit, and a display control unit. The storage unit stores peripheral device management information that defines information to instruct execution of processing relating to the peripheral device from the peripheral device management screen. The management screen forming unit determines a configuration and a content of the peripheral device management screen based on the defined information. The installation determination unit determines whether to install the peripheral device management information. The display determination unit determines whether to automatically display the peripheral device management screen in response to the peripheral device management information being installed based on an installation determination result.Type: ApplicationFiled: March 13, 2012Publication date: October 4, 2012Applicant: CANON KABUSHIKI KAISHAInventor: Kan Kitagawa
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Publication number: 20120084468Abstract: A peripheral apparatus control system that provides a device management screen capable of producing appropriate view contents and functions according to the use environment of each user for improving operability. The system includes an information processing apparatus, a peripheral apparatus, a driver capable of controlling the peripheral apparatus, a peripheral apparatus management function capable of managing the peripheral apparatus, and a peripheral apparatus management screen. The system determines a view content of the peripheral apparatus management screen according to an attribute of the driver.Type: ApplicationFiled: September 21, 2011Publication date: April 5, 2012Applicant: CANON KABUSHIKI KAISHAInventor: Kan Kitagawa
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Publication number: 20110189541Abstract: It is an object to provide a cathode for a secondary lithium battery in which adhesiveness and flexibility thereof are simultaneously achieved and the thickness thereof is made large, and the secondary lithium ion battery that has a large capacity and is excellent in safety and cycle life using the cathode. The cathode includes a current collector and a cathode mixture layer formed on the surface of the current collector. The cathode mixture layer is formed by stacking two layers one on another, each of which contains a cathode active material, a conductive material and a binder, and the cathode active material contains a lithium-containing composite oxide that forms a polyanion.Type: ApplicationFiled: January 27, 2011Publication date: August 4, 2011Inventors: Kan KITAGAWA, Toyotaka Yuasa, Tatsuya Tooyama
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Publication number: 20110002015Abstract: There is provided an image processing method which determines the area of a document from an image read on a transparent platen, the image processing method also determines a single object area or a plurality of object areas from the image on the transparent platen, and when the luminance of the area in which the object area is removed from the image on the transparent platen is detected to determine the document area, the image processing method detects whether or not an image of a shadow exists around the periphery of the object area on the image of the transparent platen, and the threshold value used for determining the document area is different depending on whether a shadow is detected.Type: ApplicationFiled: June 25, 2010Publication date: January 6, 2011Applicant: CANON KABUSHIKI KAISHAInventors: Mizuki Hayakawa, Kan Kitagawa, Yusuke Hattori
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Publication number: 20100297503Abstract: A positive electrode for lithium secondary batteries and a lithium secondary battery are provided in which, by using an olivine Mn based positive-electrode active material and an optimal binder for the olivine Mn based positive-electrode active material, peel-off of the electrode and gelatinization of the slurry can be prevented, with large energy density, excellent in rate characteristic and cycle life. The positive electrode includes a positive-electrode composite including at least a positive-electrode active material and a binder; and a positive-electrode current collector. The positive-electrode active material includes a lithium composite oxide having an olivine-type structure, which is represented by the formula LiMnxM1?xPO4 (where 0.3?x?1 and M is one or more elements selected from the group consisting of Li, Fe, Ni, Co, Ti, Cu, Zn, Mg, and Zr) . The binder includes an acrylonitrile-based copolymer.Type: ApplicationFiled: May 20, 2010Publication date: November 25, 2010Inventors: Kan Kitagawa, Atsushi Ueda, Toyotaka Yuasa, Tatsuya Toyama
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Publication number: 20100231984Abstract: This invention is made to solve the problem that the conventional method cannot correctly determine whether an original is a halftone. To solve this, a method according to this invention detects, from an original, first and second feature pixels respectively exhibiting first and second features. A first feature pixel to first feature pixel distance and second feature pixel to second feature pixel distance are calculated from neighboring first feature pixels and neighboring second feature pixels, respectively. The average of the first feature pixel to first feature pixel distance and the neighboring second feature pixel to second feature pixel distance is calculated as a feature pixel to feature pixel distance. A histogram is generated by the appearance count of only a feature pixel to feature pixel distance for which the same value successively appears. Whether the read original is a halftone is discriminated based on this histogram.Type: ApplicationFiled: March 2, 2010Publication date: September 16, 2010Applicant: CANON KABUSHIKI KAISHAInventors: Kan Kitagawa, Mizuki Hayakawa
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Publication number: 20090310881Abstract: An image processing method includes the steps of: reading an original placed on an original platen; executing a filtering process to extract a contour on the read image; extracting a contour group in broken lines from the image having the filtering process executed; forming one contour from the contour group in broken lines; determining an area of the original from the contours obtained in the filtering execution step and the forming step; and extracting an image of the determined original area from the read image.Type: ApplicationFiled: June 15, 2009Publication date: December 17, 2009Applicant: CANON KABUSHIKI KAISHAInventor: Kan Kitagawa