Patents by Inventor Takahiro Saito
Takahiro Saito 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: 9103309Abstract: A fuel injection valve is disclosed with enhanced uniformity of a swirl flow in the circumferential direction. The valve includes a swirling chamber having an inner wall surface with a helical curve and a swirling passage for guiding fuel into the chamber. The valve is formed such that the center of a circle as the basis of the helical curve and the center of a fuel injection hole open in the swirling chamber align with one another. The joint between the passage for swirling and the inner circumferential wall on the downstream side of the chamber at which both walls intersect is positioned between a line from the center of the hole to a point at which the curvature of the swirling chamber shape starts to change; and a tangent line of the side wall of the hole so drawn that it is in parallel to the line segment.Type: GrantFiled: July 25, 2013Date of Patent: August 11, 2015Assignee: Hitachi Automotive Systems, Ltd.Inventors: Kazuki Yoshimura, Yoshio Okamoto, Eiji Ishii, Noriyuki Maekawa, Takahiro Saito, Atsushi Nakai
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Patent number: 9055711Abstract: A method of storing data on a storage medium includes determining a risk index associated with a performance of the storage medium, adjusting a refresh factor associated with at least a portion of the storage medium in response to determining the risk index, and performing a data refresh operation on the portion of the storage medium based at least in part on the on the refresh factor.Type: GrantFiled: July 16, 2012Date of Patent: June 9, 2015Assignee: HGST NETHERLANDS B.V.Inventor: Takahiro Saito
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Publication number: 20150021414Abstract: A fuel injection valve includes: a swirl chamber having an inner peripheral wall formed to be gradually increased in curvature toward a downstream side from an upstream side; a swirl passage, through which a fuel is introduced into the swirl chamber; and a fuel injection port opened to the swirl chamber, wherein the swirl chamber and the swirl passage are formed so that a side wall of the swirl passage connected to a downstream end side of the swirl chamber, or an extension thereof is made not to intersect a downstream side portion of the inner peripheral wall of the swirl chamber, or an extension thereof,Type: ApplicationFiled: October 9, 2014Publication date: January 22, 2015Inventors: Yoshihito YASUKAWA, Yoshio OKAMOTO, Takahiro SAITO, Masanori ISHIKAWA, Eiji ISHII, Nobuaki KOBAYASHI, Noriyuki MAEKAWA
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Publication number: 20140342178Abstract: The present invention provides an electrodeposited copper foil for a flexible wiring board, wherein handling in manufacturing and processing lines is easy, good bending and flexing are provided with heating during a film adhesion step, small electric devices can be accommodated, excessive coarsening of a crystal grain structure is minimized, and excellent fine pattern characteristics are provided. The electrodeposited copper foil of the present invention having excellent bending and flexing characteristics is such that a crystal distribution before heating (unprocessed) is such that a number of crystal grains less than 2 ?m in diameter within a range of 300 ?m×300 ?m is 10,000 or greater and 25,000 or less, and a crystal distribution after heating for 1 hr at 300° C. is such that the number of crystal grains less than 2 ?m in diameter within a range of 300 ?m×300 ?m is 5,000 or greater and 15,000 or less.Type: ApplicationFiled: June 27, 2012Publication date: November 20, 2014Applicant: FURUKAWA ELECTRIC CO., LTD.Inventor: Takahiro Saito
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Patent number: 8888021Abstract: A fuel injection valve includes: a swirl chamber having an inner peripheral wall formed to be gradually increased in curvature toward a downstream side from an upstream side; a swirl passage, through which a fuel is introduced into the swirl chamber; and a fuel injection port opened to the swirl chamber, wherein the swirl chamber and the swirl passage are formed so that a side wall of the swirl passage connected to a downstream end side of the swirl chamber, or an extension thereof is made not to intersect a downstream side portion of the inner peripheral wall of the swirl chamber, or an extension thereof.Type: GrantFiled: January 6, 2012Date of Patent: November 18, 2014Assignee: Hitachi Automotive Systems, Ltd.Inventors: Yoshihito Yasukawa, Yoshio Okamoto, Takahiro Saito, Masanori Ishikawa, Eiji Ishii, Nobuaki Kobayashi, Noriyuki Maekawa
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Patent number: 8882003Abstract: A fuel injector has a swirl generator located downstream from a valve seat. A fuel injection hole is connected to a downstream side of the swirl generator. The swirl generator includes a swirl chamber having an involute or a spiral shape and the fuel injection hole bored at a bottom or the swirl chamber and a swirl generation use passage connected to the upstream side of the swirl chamber for introducing fuel into the swirl chamber. The bottom of the swirl chamber is provided with a step height so as to make a level difference in which the bottom of the swirl chamber is lower than a bottom of the swirl generation use passage, and the step height is formed at a position where fuel flowing into the swirl chamber from the swirl generation use passage meets fuel turning in the swirl chamber.Type: GrantFiled: July 24, 2012Date of Patent: November 11, 2014Assignee: Hitachi Automotive Systems, Ltd.Inventors: Yoshio Okamoto, Yoshihito Yasukawa, Noriyuki Maekawa, Nobuaki Kobayashi, Takahiro Saito
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Patent number: 8878544Abstract: An electric leakage sensing apparatus includes a coupling capacitor having one end connected to a DC power supply, a pulse generator that supplies a pulse to the other end of the coupling capacitor, a voltage detector that detects a voltage at the coupling capacitor charged by the pulse, an electric leakage determination part that compares the voltage detected by the voltage detector to a threshold value, and makes a determination of existence or non-existence of an electric leakage of the DC power supply based on a comparison result, and a booster circuit that applies a boosted pulse voltage to the coupling capacitor. The pulse generator converts an output voltage of the booster circuit into the pulse voltage. The voltage detector includes an offset voltage generating circuit that generates an offset voltage.Type: GrantFiled: September 12, 2012Date of Patent: November 4, 2014Assignee: Omron Automotive Electronics Co., Ltd.Inventors: Masato Kasashima, Masaki Fujii, Takeshi Sekine, Takahiro Saito
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Patent number: 8880570Abstract: An information processing system includes a first information processing apparatus, a second information processing apparatus, and a third information processing apparatus. The first information processing apparatus includes a collecting unit that collects information, a generating unit that generates first and second deleting conditions, an adding unit that adds the first and second deleting conditions to the information, and a first transmitting unit that transmits the information including the first and second deleting conditions added thereto. The second information processing apparatus includes a first receiving unit that receives the transmitted information, a first storing unit that stores the received information, a second transmitting unit that transmits the stored information, and a first deleting unit that deletes the information.Type: GrantFiled: January 30, 2012Date of Patent: November 4, 2014Assignee: Fuji Xerox Co., Ltd.Inventors: Takahiro Saito, Yoko Kurihara
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Publication number: 20140299353Abstract: A waterproofing structure in a core wire includes a covered electric wire in which a plurality of core wires are covered with an insulating covering, a core wire bundle expanded portion in which the core wires of an intermediate core wire exposed portion are separated from each other and expanded in diameter by removing a part of the insulating covering, and a mold portion that is molded to surround the core wire bundle expanded portion by cooling and solidifying a thermoplastic adhesive filling between the core wires in the core wire bundle expanded portion by hot melting, together with the insulating coverings at both sides between which the intermediate core wire exposed portion is interposed.Type: ApplicationFiled: October 26, 2012Publication date: October 9, 2014Applicants: YAZAKI CORPORATION, YAZAKI CORPORATIONInventor: Takahiro Saito
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Patent number: 8846822Abstract: Provided is a curable composition that has low modulus, high elongation and low viscosity, and can be used for building sealing materials. This curable composition includes: an organic polymer (A) containing on average at least 1.4 reactive silyl groups per molecule; and an organic polymer (B) containing on average less than one reactive silyl group per molecule, wherein the number average molecular weight of component (B) is lower than the number average molecular weight of component (A) by at least 3,000, and the ratio (y)/(x) of the number of moles (y) of organic polymers containing only one reactive silyl group per molecule among components (A) and (B) to the number of moles (x) of organic polymers containing at least 2 reactive silyl groups per molecule among components (A) and (B) is not more than 5.Type: GrantFiled: October 24, 2011Date of Patent: September 30, 2014Assignee: Kaneka CorporationInventors: Ayako Yano, Takahiro Saito, Takeshi Yao
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Publication number: 20140284099Abstract: A water stopping structure includes a covered electric having a plurality of core wires covered with an insulation cover, and a core wire welding portion provided in a part of the covered electric wire where the insulation cover is removed and the core wires are exposed to the outside. In the core wire welding portion, the core wires are welded to each other. A gap between the core wires, which has a size capable of being filled up with a low viscosity water stop material by capillarity action, is formed in the core wire welding portion. The gap is filled up with the water stop material.Type: ApplicationFiled: November 16, 2012Publication date: September 25, 2014Applicant: YAZAKI CORPORATIONInventor: Takahiro Saito
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Publication number: 20140251262Abstract: A fuel injection valve realizing improved circumferential uniformity of swirling fuel is provided. The fuel injection valve includes swirling chambers each having an inner peripheral wall whose curvature is gradually larger from upstream to downstream, paths for swirling each of which, having a fuel flow-in region formed along a valve axis direction, guides fuel to the associated one of the swirling chambers, and fuel injection orifices open into the associated swirling chambers, respectively. In the fuel injection valve, a curved portion is formed on the bottom, in a sectional view along the valve axis direction, of an inlet portion of each of the paths for swirling so as to change the fuel flow in each of the paths for swirling.Type: ApplicationFiled: March 6, 2014Publication date: September 11, 2014Applicant: Hitachi Automotive Systems, Ltd.Inventors: Yoshio OKAMOTO, Kazuki YOSHIMURA, Noriyuki MAEKAWA, Nobuaki KOBAYASHI, Eiji ISHII, Takahiro SAITO
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Publication number: 20140251263Abstract: A fuel injection valve realizing improved circumferential uniformity of swirling fuel is provided. The fuel injection valve includes a swirling chamber having an inner peripheral wall whose curvature is gradually larger from upstream to downstream, a path for swirling which, having a fuel flow-in region formed along a valve axis direction, guides fuel to the swirling chamber, and a fuel injection orifice open into the swirling chamber. In the fuel injection valve, the path for swirling is inclined toward the fuel injection orifice formed on a downstream side of the swirling chamber.Type: ApplicationFiled: March 6, 2014Publication date: September 11, 2014Applicant: Hitachi Automotive Systems, Ltd.Inventors: Yoshio OKAMOTO, Kazuki YOSHIMURA, Noriyuki MAEKAWA, Nobuaki KOBAYASHI, Eiji ISHII, Takahiro SAITO
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Publication number: 20140251264Abstract: A fuel injection valve realizing improved circumferential uniformity of swirling fuel is provided. The fuel injection valve includes swirling chambers each having an inner peripheral wall whose curvature is gradually larger from upstream to downstream, paths for swirling each of which, having a fuel flow-in region formed along a valve axis direction, guides fuel to the associated one of the swirling chambers, and fuel injection orifices open into the associated swirling chambers, respectively. In the fuel injection valve, the paths for swirling are interconnected in a central portion of an orifice plate and are smaller in height toward where they are interconnected.Type: ApplicationFiled: March 6, 2014Publication date: September 11, 2014Applicant: Hitachi Automotive Systems, Ltd.Inventors: Yoshio OKAMOTO, Kazuki YOSHIMURA, Noriyuki MAEKAWA, Nobuaki KOBAYASHI, Eiji ISHII, Takahiro SAITO
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Patent number: 8815989Abstract: The invention aims to provide a resin composition having favorable stain resistance and storage stability even in the form of a one-pack coating material. Provided is a resin composition for a coating material, including: (I) a synthetic resin emulsion; (II) a silicon compound represented by the formula (1): (R1O)4-aSiR2a??(1) wherein R1s are the same or different and each represent an alkyl group having 1-10 carbon atoms, an aryl group having 6-10 carbon atoms, or an aralkyl group having 7-10 carbon atoms; R2s are the same or different and each represent an alkyl group having 1-10 carbon atoms, an aryl group having 6-10 carbon atoms, or an aralkyl group having 7-10 carbon atoms; and a represents an integer from 0 to 2; and/or a partial hydrolysis condensation product thereof and/or a modified product thereof; and (III) a photosensitizer.Type: GrantFiled: November 10, 2010Date of Patent: August 26, 2014Assignee: Kaneka CorporationInventors: Takahiro Saito, Shinji Kagitani, Youichi Matsuo
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Publication number: 20140230996Abstract: A heat shrinkable tube mount method includes fitting a terminal of a terminal-equipped electric wire to a terminal fit recess of a lower frame provided on a base, sheathing a core wire crimp section of the terminal led out of the lower frame with a heat shrinkable tube containing therein an adhesive and bringing a one tube end into contact with a dam wall of the lower frame, restricting movement of the terminal, by covering the terminal fit recess with an upper frame that is joined to the lower frame in a turnable manner, pinching a portion of a peripheral wall of the heat shrinkable tube between a tube fixing claw on the upper frame and the terminal at an instant when the upper frame covers the terminal fit recess, and turning a clamp lever to a pinching position.Type: ApplicationFiled: April 28, 2014Publication date: August 21, 2014Applicant: YAZAKI CORPORATIONInventor: Takahiro SAITO
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Patent number: 8812467Abstract: An information processing apparatus includes a detecting unit and a history processing unit. The detecting unit detects a first operation and a second operation. The first operation is an operation of inputting a document to an electronic tray. The second operation is an operation of retrieving a document from the electronic tray.Type: GrantFiled: May 25, 2012Date of Patent: August 19, 2014Assignee: Fuji Xerox Co., Ltd.Inventors: Takahiro Saito, Shigehisa Kawabe, Setsu Kunitake
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Patent number: 8768054Abstract: An image processing device separates an original image signal into a plurality of components including a first component serving as a skeleton component and a second component obtained after the first component is separated from the original image signal, obtains a signal level of the first component or the original image signal, sets a tone conversion coefficient to be applied during tone conversion based on the signal level of the first component or the original image signal, performs tone conversion processing on the first component using the tone conversion coefficient, obtains the signal level of the first component, sets a noise reduction processing parameter on the basis of the signal level of the first component, and reduces a noise of the second component using the noise reduction processing parameter and the tone conversion coefficient.Type: GrantFiled: December 22, 2009Date of Patent: July 1, 2014Assignees: Olympus Corporation, Kanagawa UniversityInventors: Hideya Aragaki, Takahiro Saito, Yuki Ishii
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Publication number: 20140027542Abstract: A fuel injection valve is disclosed with enhanced uniformity of a swirl flow in the circumferential direction. The valve includes a swirling chamber having an inner wall surface with a helical curve and a swirling passage for guiding fuel into the chamber. The valve is formed such that the center of a circle as the basis of the helical curve and the center of a fuel injection hole open in the swirling chamber align with one another. The joint between the passage for swirling and the inner circumferential wall on the downstream side of the chamber at which both walls intersect is positioned between a line from the center of the hole to a point at which the curvature of the swirling chamber shape starts to change; and a tangent line of the side wall of the hole so drawn that it is in parallel to the line segment.Type: ApplicationFiled: July 25, 2013Publication date: January 30, 2014Applicant: Hitachi Automotive Systems, Ltd.Inventors: Kazuki YOSHIMURA, Yoshio OKAMOTO, Eiji ISHII, Noriyuki MAEKAWA, Takahiro SAITO, Atsushi NAKAI
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Publication number: 20140027541Abstract: A fuel injection valve which ensures improved uniformity of a swirl flow in a circumferential direction. It includes: a valve element provided movably; a nozzle body with an opening downstream, including a valve seat face for the valve element to rest on in a valve closed state; a swirling path communicating with the opening of the nozzle body, located downstream of the opening; a swirling chamber located downstream of the swirling path, in which fuel is swirled and given a swirling force; and a fuel injection hole formed at the bottom of the swirling chamber to inject fuel outward. The swirling chamber has an inner wall surface which makes a spiral curve. The swirling chamber and the fuel injection hole are formed so that the center of a base circle for the spiral curve coincides with the center of the fuel injection hole.Type: ApplicationFiled: July 23, 2013Publication date: January 30, 2014Applicant: Hitachi Automotive Systems, Ltd.Inventors: Yoshio OKAMOTO, Yoshihito YASUKAWA, Noriyuki MAEKAWA, Eiji ISHII, Kazuki YOSHIMURA, Takahiro SAITO, Nobuaki KOBAYASHI
