Patents by Inventor Toshiya Kato
Toshiya Kato 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).
-
Patent number: 11300041Abstract: A turbocharger includes a first scroll member made of sheet metal, extending in a circumferential direction of an impeller shaft, having an opening that is opened to the bearing housing, and forming a part of a wall surface of the first turbine scroll passage, a second scroll member made of sheet metal, extending in the circumferential direction of the impeller shaft, having an opening that is opened to the bearing housing, and forming a part of a wall surface of the second turbine scroll passage, and a closing member closing the opening of the first scroll member and forming the wall surface of the first turbine scroll passage on the side thereof adjacent to the bearing housing, and closing the opening of the second scroll member and forming the wall surface of the second turbine scroll passage on the side thereof adjacent to the bearing housing.Type: GrantFiled: March 18, 2020Date of Patent: April 12, 2022Assignee: KABUSHIKI KAISHA TOYOTA JIDOSHOKKIInventors: Akihito Uemura, Shuichi Fujita, Toshiya Kato
-
Patent number: 11255257Abstract: A turbocharger includes a turbine housing, an annular metal plate, and a scroll passage defining plate. The metal plate defines a connecting passage in the turbine housing. The connecting passage connects a turbine chamber and a turbine scroll passage to each other. The scroll passage defining plate includes a passage defining portion that defines the turbine scroll passage and an inner circumferential edge portion that extends from the inner circumferential edge portion of the passage defining portion and along the metal plate. The scroll passage defining plate has an inner circumferential edge that is fixed between the turbine housing and the metal plate. The scroll passage defining plate is arranged in the turbine housing such that the outer circumferential edge portion of the passage defining portion is movable relative to the turbine housing.Type: GrantFiled: August 27, 2018Date of Patent: February 22, 2022Assignee: KABUSHIKI KAISHA TOYOTA JIDOSHOKKIInventors: Akihito Uemura, Toshiya Kato, Shuichi Fujita, Katsumi Okayama
-
Patent number: 11231047Abstract: A turbocharger includes a turbine housing that is a cast component, a turbine scroll passage, a discharge port, and a discharge port defining member. The turbine scroll passage surrounds the circumference of a turbine chamber defined in the turbine housing and the circumference of the turbine chamber. Exhaust gas that has passed through the turbine chamber is conducted to the discharge port. The discharge port defining member constitutes a wall surface of the discharge port. The discharge port defining member includes a tubular main body wall and an outer circumferential edge. The main body wall constitutes a wall surface of the discharge port. The outer circumferential edge extends from the distal end of the main body wall and outward in the radial direction of the impeller shaft. The outer circumferential edge is fixed between the turbine housing and a downstream exhaust pipe, which is connected to the discharge port.Type: GrantFiled: August 27, 2018Date of Patent: January 25, 2022Assignee: KABUSHIKI KAISHA TOYOTA JIDOSHOKKIInventors: Akihito Uemura, Toshiya Kato, Shuichi Fujita, Katsumi Okayama
-
Patent number: 11174868Abstract: A turbocharger includes a bearing housing, a turbine housing, a turbine chamber formed in the turbine housing, a turbine impeller rotating integrally with the impeller shaft by the exhaust gas flowing into the turbine chamber, a turbine scroll passage formed in the turbine housing, a communication passage, and a bearing housing side plate made of sheet metal and forming wall surfaces of the turbine scroll passage and the communication passage on the bearing housing side. The bearing housing side plate has an inner peripheral part of the bearing housing side plate is a stationary part relative to the bearing housing, and an outer peripheral end portion of the bearing housing side plate is a free end. The bearing housing side plate has an outer peripheral side surface of the bearing housing side plate is spaced from a first facing member that faces the outer peripheral wall side surface.Type: GrantFiled: March 18, 2020Date of Patent: November 16, 2021Assignee: KABUSHIKI KAISHA TOYOTA JIDOSHOKKIInventors: Akihito Uemura, Shuichi Fujita, Toshiya Kato
-
Publication number: 20200309021Abstract: A turbocharger includes a first scroll member made of sheet metal, extending in a circumferential direction of an impeller shaft, having an opening that is opened to the bearing housing, and forming a part of a wall surface of the first turbine scroll passage, a second scroll member made of sheet metal, extending in the circumferential direction of the impeller shaft, having an opening that is opened to the bearing housing, and forming a part of a wall surface of the second turbine scroll passage, and a closing member closing the opening of the first scroll member and forming the wall surface of the first turbine scroll passage on the side thereof adjacent to the bearing housing, and closing the opening of the second scroll member and forming the wall surface of the second turbine scroll passage on the side thereof adjacent to the bearing housing.Type: ApplicationFiled: March 18, 2020Publication date: October 1, 2020Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKIInventors: Akihito UEMURA, Shuichi FUJITA, Toshiya KATO
-
Publication number: 20200309144Abstract: A turbocharger includes a bearing housing, a turbine housing, a turbine chamber formed in the turbine housing, a turbine impeller rotating integrally with the impeller shaft by the exhaust gas flowing into the turbine chamber, a turbine scroll passage formed in the turbine housing, a communication passage, and a bearing housing side plate made of sheet metal and forming wall surfaces of the turbine scroll passage and the communication passage on the bearing housing side. The bearing housing side plate has an inner peripheral part of the bearing housing side plate is a stationary part relative to the bearing housing, and an outer peripheral end portion of the bearing housing side plate is a free end. The bearing housing side plate has an outer peripheral side surface of the bearing housing side plate is spaced from a first facing member that faces the outer peripheral wall side surface.Type: ApplicationFiled: March 18, 2020Publication date: October 1, 2020Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKIInventors: Akihito UEMURA, Shuichi FUJITA, Toshiya KATO
-
Publication number: 20200200073Abstract: A turbocharger includes a turbine housing, an annular metal plate, and a scroll passage defining plate. The metal plate defines a connecting passage in the turbine housing. The connecting passage connects a turbine chamber and a turbine scroll passage to each other. The scroll passage defining plate includes a passage defining portion that defines the turbine scroll passage and an inner circumferential edge portion that extends from the inner circumferential edge portion of the passage defining portion and along the metal plate. The scroll passage defining plate has an inner circumferential edge that is fixed between the turbine housing and the metal plate. The scroll passage defining plate is arranged in the turbine housing such that the outer circumferential edge portion of the passage defining portion is movable relative to the turbine housing.Type: ApplicationFiled: August 27, 2018Publication date: June 25, 2020Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKIInventors: Akihito UEMURA, Toshiya KATO, Shuichi FUJITA, Katsumi OKAYAMA
-
Publication number: 20200182257Abstract: A turbocharger includes a turbine housing that is a cast component, a turbine scroll passage, a discharge port, and a discharge port defining member. The turbine scroll passage surrounds the circumference of a turbine chamber defined in the turbine housing and the circumference of the turbine chamber. Exhaust gas that has passed through the turbine chamber is conducted to the discharge port. The discharge port defining member constitutes a wall surface of the discharge port. The discharge port defining member includes a tubular main body wall and an outer circumferential edge. The main body wall constitutes a wall surface of the discharge port. The outer circumferential edge extends from the distal end of the main body wall and outward in the radial direction of the impeller shaft. The outer circumferential edge is fixed between the turbine housing and a downstream exhaust pipe, which is connected to the discharge port.Type: ApplicationFiled: August 27, 2018Publication date: June 11, 2020Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKIInventors: Akihito UEMURA, Toshiya KATO, Shuichi FUJITA, Katsumi OKAYAMA
-
Publication number: 20130257303Abstract: According to one embodiment, a lighting control circuit includes a rectifying device configured to rectify an output of an alternating constant-current power supply device capable of changing an output current value, a power converting section configured to receive an output of the rectifying device and variably output direct-current power, and a solid-state light-emitting element supplied with the output of the power converting section to be lit. A shunting device configured to shunt a part of an output current from the alternating constant-current power supply is provided on an input side of the rectifying device.Type: ApplicationFiled: March 15, 2013Publication date: October 3, 2013Applicant: TOSHIBA LIGHTING & TECHNOLOGY CORPORATIONInventors: Shingo Niino, Yasufumi Ishida, Masashi Koshino, Toshiya Kato, Isao Yamazaki
-
Patent number: 7858696Abstract: An object of the present invention is to provide a conductive resin composition which does not cause problems with regard to moldability such as occurrence of separation between a resin component and a conductive filler, voids and warp on molding, and is excellent in filling of a resin into a mold, and is also capable of being used for various electrical and electronic materials, including a separator for a fuel cell having excellent properties.Type: GrantFiled: March 5, 2004Date of Patent: December 28, 2010Assignee: DIC CorporationInventors: Takashi Yasumura, Toshiya Kato, Kenichi Hamada, Tetsuya Harada
-
Patent number: 7567405Abstract: There is provided a servo information recording device having a simple structure, being implementable in lower cost, and capable of writing servo information with high reliability and a servo information recording method. The servo information recording device includes a head swingably supported relative to a predetermined swing axis and a head drive section that swings the head within a predetermined zone in the radial direction of the disk medium. The device also has a controller that controls the head drive section and writes the servo information onto a track of the disk medium. Assuming that R is the outer circumferential radius of the disk medium and P is a distance between the center of the disk medium and pivot (swing axis), the swing axis is disposed at a position at which P/R falls beyond about 1.35.Type: GrantFiled: January 8, 2007Date of Patent: July 28, 2009Assignee: Fujitsu LimitedInventors: Toshiya Kato, Masanori Fukushi
-
Publication number: 20080043364Abstract: There is provided a servo information recording device having a simple structure, being implementable in lower cost, and capable of writing servo information with high reliability and a servo information recording method. A servo information recording device comprises: a head swingably supported relative to a predetermined swing axis; a head drive section that swings the head within a predetermined zone in the radial direction of the disk medium; and a controller that controls the head drive section and writes the servo information onto a track of the disk medium. Assuming that R is the outer circumferential radius of the disk medium and P is a distance between the center of the disk medium and pivot (swing axis), the swing axis is disposed at a position at which P/R falls beyond about 1.35.Type: ApplicationFiled: January 8, 2007Publication date: February 21, 2008Inventors: Toshiya Kato, Masanori Fukushi
-
Patent number: 7304820Abstract: The method of positioning a disk-shaped medium is capable of precisely positioning the center of the disk-shape medium with respect to a center of a rotary shaft. The method comprises the steps of: inserting a cylindrical hub into a center hole of the disk-shaped medium; and covering a hub adaptor, which is eccentrically fixed to a rotary shaft, with the hub so as to position the disk-shaped medium on the rotary shaft. Directions of eccentricity of the disk-shaped medium, the hub and a hub unit are defined on the basis of amount of eccentricity between the disk-shaped medium and the hub, that between the hub and the hub adaptor and that between the hub adaptor and the rotary shaft.Type: GrantFiled: August 22, 2003Date of Patent: December 4, 2007Assignee: Fujitsu LimitedInventors: Toshiya Kato, Terushige Arai, Masanori Fukushi
-
Publication number: 20060060824Abstract: An object of the present invention is to provide a conductive resin composition which does not cause problems with regard to moldability such as occurrence of separation between a resin component and a conductive filler, voids and warp on molding, and is excellent in filling of a resin into a mold, and is also capable of being used for various electrical and electronic materials, including a separator for a fuel cell having excellent properties.Type: ApplicationFiled: March 5, 2004Publication date: March 23, 2006Inventors: Takashi Yasumura, Toshiya Kato, Kenichi Hamada, Tetsuya Harada
-
Patent number: 6969750Abstract: The water absorbent material of the present invention is composed of a copolymer of an anhydropolyamino acid having at least one ethylenically unsaturated double bond in a molecule, a water-soluble monomer having an ethylenically unsaturated double bond and polysaccharides, and has high water absorption ratio and high water absorption rate in pure water or water having a low ion content and also has high absorption properties for high concentration salt-containing solutions.Type: GrantFiled: July 26, 2001Date of Patent: November 29, 2005Assignee: Dainippon Ink and Chemicals, Inc.Inventors: Hisakazu Tanaka, Toshiya Kato, Shigeki Ideguchi, Hideyuki Ishizu, Yoshiki Hasegawa
-
Publication number: 20050171309Abstract: The water absorbent material of the present invention is composed of a copolymer of an anhydropolyamino acid having at least one ethylenically unsaturated double bond in a molecule, a water-soluble monomer having an ethylenically unsaturated double bond and polysaccharides, and has high water absorption ratio and high water absorption rate in pure water or water having a low ion content and also has high absorption properties for high concentration salt-containing solutions.Type: ApplicationFiled: April 5, 2005Publication date: August 4, 2005Applicant: DAINIPPON INK AND CHEMICALS, INC.Inventors: Hisakazu Tanaka, Toshiya Kato, Shigeki Ideguchi, Hideyuki Ishizu, Yoshiki Hasegawa
-
Publication number: 20040034992Abstract: The method of positioning a disk-shaped medium is capable of precisely positioning the center of the disk-shape medium with respect to a center of a rotary shaft. The method comprises the steps of: inserting a cylindrical hub into a center hole of the disk-shaped medium; and covering a hub adaptor, which is eccentrically fixed to a rotary shaft, with the hub so as to position the disk-shaped medium on the rotary shaft. Directions of eccentricity of the disk-shaped medium, the hub and a hub unit are defined on the basis of amount of eccentricity between the disk-shaped medium and the hub, that between the hub and the hub adaptor and that between the hub adaptor and the rotary shaft.Type: ApplicationFiled: August 22, 2003Publication date: February 26, 2004Applicant: FUJITSU LIMITEDInventors: Toshiya Kato, Terushige Arai, Masanori Fukushi
-
Publication number: 20030068542Abstract: A bipolar plate for a fuel cell includes a conductive material, a novolac type phenol resin or a phenol dicyclopentadiene resin, and a compound having at least two ethylenically unsaturated double bonds. The conductive material is dispersed in an addition cross-linking reaction cured composition formed by the reaction of the novolac type phenol resin or the phenol dicyclopentadiene resin with the compound having at least two ethylenically unsaturated double bonds. Also, a method for manufacturing a bipolar plate for a fuel cell is provided, including the steps of mixing a conductive material, a novolac type phenol resin or a phenol dicyclopentadiene resin, and a compound having at least two ethylenically unsaturated double bonds, and heating and forming a resulting mixture into the shape of a bipolar plate.Type: ApplicationFiled: September 24, 2002Publication date: April 10, 2003Applicant: DAINIPPON INK AND CHEMICALS, INC.Inventors: Tetsuya Harada, Kunio Mori, Toshiya Kato, Kenichi Hamada, Masayuki Kamei
-
Publication number: 20030045198Abstract: The water absorbent material of the present invention is composed of a copolymer of an anhydropolyamino acid having at least one ethylenically unsaturated double bond in a molecule, a water-soluble monomer having an ethylenically unsaturated double bond and polysaccharides, and has high water absorption ratio and high water absorption rate in pure water or water having a low ion content and also has high absorption properties for high concentration salt-containing solutions.Type: ApplicationFiled: March 22, 2002Publication date: March 6, 2003Inventors: Hisakazu Tanaka, Toshiya Kato, Shigeki Ideguchi, Hideyuki Ishizu, Yoshiki Hasegawa
-
Patent number: 5355331Abstract: According to this invention, there is disclosed a semiconductor device in which a memory section and a logic section are arranged on the same semiconductor chip, comprising a high-resistance element constituting a memory cell, a low-resistance line connected to the high-resistance element, a power source line serving as a power source path from a power source pad, a switching element arranged between the low-resistance line and the power source line, and a control circuit for controlling the switching element.Type: GrantFiled: January 24, 1994Date of Patent: October 11, 1994Assignee: Kabushiki Kaisha ToshibaInventors: Shinsuke Takase, Toshiya Kato