Patents by Inventor Yuji Sasaki

Yuji Sasaki 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: 10532427
    Abstract: An optical processing head capable of reducing the energy loss at the time of optical processing is disclosed. The optical processing head includes a first optical element that converts light emitted by a light source into first parallel light, a second optical element that is arranged downstream of the first optical element and converts the first parallel light into first divergent light, a third optical element that is arranged downstream of the second optical element and converts the first divergent light into second parallel light, and a fourth optical element that is arranged downstream of the third optical element and converts the second parallel light into convergent light which is condensed on the processing surface side.
    Type: Grant
    Filed: February 20, 2015
    Date of Patent: January 14, 2020
    Assignee: TECHNOLOGY RESEARCH ASSOCIATION FOR FUTURE ADDITIVE MANUFACTURING
    Inventors: Hiroshi Ohno, Tetsuo Sakai, Mitsuo Sasaki, Kazuyuki Masukawa, Takashi Obara, Yuji Sasaki, Satoshi Tsuno
  • Patent number: 10512313
    Abstract: A fastener tape includes a mounting part for mounting a fastener element and a sewing part for sewing a fabric. The mutually adjoining sides of the mounting part and sewing part are integrally connected to each other. Another side of the mounting part which is spaced distantly from the sewing part provides a fastener element mounting side for mounting the fastener element. The sewing part is constituted of a plain weave texture.
    Type: Grant
    Filed: May 9, 2016
    Date of Patent: December 24, 2019
    Assignee: YKK Corporation
    Inventors: Go Takani, Yuji Sasaki
  • Publication number: 20190352236
    Abstract: A pillar-shaped honeycomb structure body of a honeycomb structure includes a circumferential cell structure, a central cell structure and a boundary wall therebetween. On a surface orthogonal to the cells there are a circumferential reinforcing region having the partition wall thicker than a basic partition wall thickness in the circumferential cell structure and existing outside a range of a distance from a centroid of the surface; and at least one of a first boundary reinforcing region having the partition wall thicker than the basic partition wall thickness and existing in a range of a distance from the centroid within a range of the circumferential cell structure and a second boundary reinforcing region having the partition wall thicker than a basic partition wall thickness in the central cell structure and existing outside of a range of a distance from the centroid within a range of the central cell structure.
    Type: Application
    Filed: April 16, 2019
    Publication date: November 21, 2019
    Applicant: NGK Insulators, Ltd.
    Inventors: Akifumi KAWAKAMI, Takashi KINOSHITA, Yuji SASAKI, Mitsuhiro ITO
  • Publication number: 20190345956
    Abstract: An electric compressor includes a rotation shaft, a compressor impeller, a rotor portion, a stator portion, and a motor housing. The motor housing includes an inner housing which includes a first cylindrical portion surrounding and holding the stator portion and an outer housing which includes a second cylindrical portion surrounding and holding the first cylindrical portion of the inner housing. An outer peripheral surface of the stator portion is in contact with an inner peripheral surface of the first cylindrical portion of the inner housing. An outer peripheral surface of the first cylindrical portion is provided with a first groove portion disposed to turn around an axis of the rotation shaft by one turn or more and the first groove portion includes a spiral groove portion.
    Type: Application
    Filed: January 24, 2018
    Publication date: November 14, 2019
    Applicant: IHI Corporation
    Inventors: Kuniaki IIZUKA, Takashi YOSHIDA, Yuji SASAKI, Tatsumi INOMATA, Takuya OZASA, Ryosuke YUMOTO, Takashi MORI
  • Patent number: 10449560
    Abstract: An optical processing nozzle that homogeneously supplies a fluid to a processing surface in optical processing. The optical processing nozzle includes a beam path that is arranged so that a beam can pass through the beam path towards a processing surface in order to perform processing using a beam guided from a light source, and a channel structure that is arranged around the beam path and is configured to eject a fluid towards the processing surface. The channel structure includes an inflow port through which the fluid flows, at least two passage holes through which the fluid flowing from the inflow port passes, a channel that guides the fluid from the inflow port to the passage holes, and an ejection port from which the fluid having passed through the at least two passage holes is ejected toward the processing surface.
    Type: Grant
    Filed: February 25, 2015
    Date of Patent: October 22, 2019
    Assignee: TECHNOLOGY RESEARCH ASSOCIATION FOR FUTURE ADDITIVE MANUFACTURING
    Inventors: Hiroshi Ohno, Yuji Sasaki, Mitsuo Sasaki, Takashi Obara, Kazuyuki Masukawa
  • Patent number: 10399182
    Abstract: The mobility of an optical processing apparatus is improved. There is provided an optical processing apparatus for scanning a processing region having an at least one-dimensional spread by moving a nozzle head while irradiating the processing region with an optical processing light beam via the nozzle head, including a light source that emits, to air, the optical processing light beam toward the nozzle head, a nozzle head that includes a hollow nozzle in a vertical direction and a light beam direction changing optical system which receives the light beam emitted from the light source and propagated in the air, and changes a propagation direction of the received light beam to a direction of a currently processed processing point in the processing region, and a main scanning direction moving mechanism that moves the nozzle head by causing the nozzle head to scan in a main scanning direction of the processing region.
    Type: Grant
    Filed: March 15, 2016
    Date of Patent: September 3, 2019
    Assignee: TECHNOLOGY RESEARCH ASSOCIATION FOR FUTURE ADDITIVE MANUFACTURING
    Inventors: Hiroshi Ohno, Yuji Sasaki, Satoshi Tsuno, Naotada Okada, Mitsuo Sasaki
  • Publication number: 20190257234
    Abstract: An exhaust gas energy recovery device includes a power generation device driven by a turbine configured to rotate by an exhaust gas, a switching element connected to the power generation device, a first terminal connected to the power generation device via the switching element and for being connected to a first power storage device, and a second terminal connected to the power generation device and for being connected to a second power storage device, in which a terminal voltage of the first power storage device is lower than a terminal voltage of the second power storage device, and the switching element switches a destination to be charged by the power generation device to either the first power storage device or the second power storage device on the basis of magnitude of a direct current voltage output from the power generation device.
    Type: Application
    Filed: November 7, 2017
    Publication date: August 22, 2019
    Applicant: IHI Corporation
    Inventors: Yuji SASAKI, Takashi YOSHIDA, Tatsumi INOMATA, Kuniaki IIZUKA, Takuya OZASA, Ryosuke YUMOTO
  • Patent number: 10369661
    Abstract: An optical processing head capable of downsizing an apparatus while increasing the shaping accuracy of optical processing is disclosed. The optical processing head performs processing while moving, in a predetermined moving direction on a processing surface, an optical spot formed by condensing light emitted by a light source. The optical processing head includes an optical element that condenses light emitted by the light source to generate the optical spot of a shape elongated in the moving direction of the optical spot. Part of the optical spot is set as a processing region, the front side and/or rear side of the processing region in the moving direction is set as a pre-heating region and/or post-heating region, and a processing target object before and/or after processing in the region is heated.
    Type: Grant
    Filed: February 25, 2015
    Date of Patent: August 6, 2019
    Assignee: TECHNOLOGY RESEARCH ASSOCIATION FOR FUTURE ADDITIVE MANUFACTURING
    Inventors: Hiroshi Ohno, Yuji Sasaki, Mitsuo Sasaki, Takashi Obara, Kazuyuki Masukawa
  • Patent number: 10371645
    Abstract: An optical processing head that detects a trouble of an optical processing head that will be generated at the time of optical processing before the trouble occurs is disclosed. The optical processing head that performs processing by condensing, on a process surface, a ray emitted by a light source for processing includes a cylindrical housing that surrounds a ray for processing emitted by the light source for processing, a ray emitter for inspection that is incorporated in the cylindrical housing and arranged outside the path of the ray for processing, and a light receiver that is incorporated in the cylindrical housing, arranged outside the path of the ray for processing, and receives a ray for inspection emitted by the ray emitter for inspection. The contamination of the inner surface of the cylindrical housing or the concentration of a scattering object flowing into the cylindrical housing is inspected by using a signal acquired from the light receiver.
    Type: Grant
    Filed: March 10, 2015
    Date of Patent: August 6, 2019
    Assignee: TECHNOLOGY RESEARCH ASSOCIATION FOR FUTURE ADDITIVE MANUFACTURING
    Inventors: Hiroshi Ohno, Yuji Sasaki, Mitsuo Sasaki, Takashi Obara, Kazuyuki Masukawa
  • Publication number: 20190226486
    Abstract: An electric compressor includes: a rotary shaft to which a compressor impeller is attached; a stator portion which is disposed around the rotary shaft; and a motor housing which accommodates the stator portion. The motor housing includes an inner housing which includes a first cylindrical portion surrounding and holding the stator portion and an outer housing which includes a second cylindrical portion surrounding and holding the first cylindrical portion of the inner housing. Between an outer surface of the inner housing and an inner surface of the outer housing, a cooling jacket portion is formed in a part of a circumferential direction about the rotary shaft. The inner housing includes a first end wall portion which is formed to be continuous to the first cylindrical portion and extends inward in relation to an outer peripheral portion of the stator portion in a radial direction of the rotary shaft.
    Type: Application
    Filed: November 17, 2017
    Publication date: July 25, 2019
    Applicant: IHI Corporation
    Inventors: Kuniaki IIZUKA, Takashi YOSHIDA, Yuji SASAKI, Tatsumi INOMATA, Takuya OZASA, Ryosuke YUMOTO, Takashi MORI
  • Publication number: 20190211845
    Abstract: A centrifugal compressor includes a compressor impeller attached to a rotary shaft and a housing accommodating the rotary shaft and the compressor impeller. The housing includes a suction portion formed upstream of the compressor impeller and a high pressure part formed on a rear face side of the compressor impeller and having a pressure higher than a pressure in the suction portion during rotation of the compressor impeller. The housing has a discharge passage formed for connecting the high pressure part to a low pressure part including the suction portion and a gas flow path upstream of the suction portion.
    Type: Application
    Filed: November 16, 2017
    Publication date: July 11, 2019
    Applicant: IHI Corporation
    Inventors: Kuniaki IIZUKA, Takashi YOSHIDA, Yuji SASAKI, Tatsumi INOMATA, Takuya OZASA, Ryosuke YUMOTO, Takashi MORI
  • Publication number: 20190195240
    Abstract: Provided is an electric compressor which includes a motor which rotates a rotary shaft of a impeller; a housing which accommodates the motor; a plate attached to the housing mounted with a control circuit configured to drive and control the motor; and a refrigerant flow passage provided between the housing and the plate. At least a part of the refrigerant flow passage is formed by a heat radiation fin provided on at least one of the housing and the plate.
    Type: Application
    Filed: August 2, 2017
    Publication date: June 27, 2019
    Applicant: IHI Corporation
    Inventors: Kuniaki IIZUKA, Takashi YOSHIDA, Yuji SASAKI, Tatsumi INOMATA, Takuya OZASA, Ryosuke YUMOTO, Takashi MORI
  • Publication number: 20190195212
    Abstract: An electric compressor includes a casing which accommodates an inverter and includes a bottom plate on which a power board of the inverter is mounted and a cooling water passage which is provided in a housing and opens to a bottom plate of the casing. The bottom plate of the casing includes a first surface on which a power board is mounted and a second surface opposite to the first surface. A metal plate is buried at a position corresponding to the power board in the bottom plate and a rear surface of the metal plate is exposed to the second surface side and faces the cooling water passage.
    Type: Application
    Filed: November 10, 2017
    Publication date: June 27, 2019
    Applicant: IHI Corporation
    Inventors: Yuji SASAKI, Takashi YOSHIDA, Tatsumi INOMATA, Kuniaki IIZUKA, Takuya OZASA, Ryosuke YUMOTO
  • Patent number: 10332766
    Abstract: A substrate processing apparatus includes: a substrate conveyance area; a substrate storage conveyance area; a substrate storage storing shelf; a first purge gas supply unit that supplies a purge gas into the substrate storage on the substrate storage storing shelf; an integrated flow rate acquiring unit that acquires an integrated flow rate of the purge gas supplied into the substrate storage; a transfer and placement unit; a second purge gas supply unit that supplies a purge gas into the substrate storage placed on the transfer and placement unit; a substrate transfer unit that transfers the substrate into the substrate conveyance area when the substrate storage is opened; and a controller that calculates an oxygen concentration within the substrate storage based on the integrated flow rate of the purge gas, and transfers the substrate to the substrate conveyance area when the oxygen concentration is a threshold value or less.
    Type: Grant
    Filed: September 6, 2017
    Date of Patent: June 25, 2019
    Assignee: Tokyo Electron Limited
    Inventor: Yuji Sasaki
  • Publication number: 20190180628
    Abstract: A user vehicle dispatch dealing system dispatches a passenger transport vehicle according to a vehicle dispatch request, which includes a riding point and a destination point. The system includes a vehicle situation obtaining unit that obtains a freight delivery vehicle situation including a delivery route and a current position of a freight delivery vehicle that delivers freight by autonomous driving, a vehicle situation determination unit that determines whether or not there is the freight delivery vehicle as a dispatch vehicle candidate in a state where a first preset range defined based on the delivery route includes the riding point, and an option presentation unit that presents an option of whether or not to request the dispatch of the freight delivery vehicle as the dispatch vehicle candidate to the user when the vehicle situation determination unit determines that there is the freight delivery vehicle as the dispatch vehicle candidate.
    Type: Application
    Filed: December 4, 2018
    Publication date: June 13, 2019
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Takashi HAYASHI, Junya WATANABE, Yuji SASAKI, Seiji ARAKAWA, Naotoshi KADOTANI, Masafumi HAYAKAWA
  • Publication number: 20190178257
    Abstract: A rotary machine is provided with: a bearing that supports a rotary shaft of an impeller; a bearing support part that supports an outer circumference of the bearing; a key groove that is formed in the bearing and the bearing support part and extends along a rotary shaft line direction of the rotary shaft; and a key member that is inserted into the key groove. The bearing support part is provided with an outer regulating part that can contact one end part of the key member inside the key groove. An outer ring of the bearing is provided with an inner regulating part that can contact another end part of the key member inside the key groove. A distance between the outer regulating part and the inner regulating part is longer than a length of the key member in the rotary shaft line direction.
    Type: Application
    Filed: August 25, 2017
    Publication date: June 13, 2019
    Applicant: IHI Corporation
    Inventors: Kuniaki IIZUKA, Takashi YOSHIDA, Yuji SASAKI, Tatsumi INOMATA, Takuya OZASA, Ryosuke YUMOTO, Takashi MORI
  • Publication number: 20190120125
    Abstract: An electric turbocharger includes an electric motor which rotationally drives a rotating blade, a motor housing which accommodates the electric motor therein, a controller which is disposed outside the motor housing and controls the driving of the electric motor, and a power supply mechanism which supplies a current from the controller to the electric motor through a through-hole communicating the inside and the outside of the motor housing, in which the power supply mechanism includes a rod which is hermetically sealed while being inserted through the through-hole, a connector which is connected to at least one end of the rod, and a busbar which is connected to the connector, and in which the connector absorbs a relative positional displacement of the rod with respect to the connector.
    Type: Application
    Filed: May 16, 2017
    Publication date: April 25, 2019
    Applicant: IHI Corporation
    Inventors: Kuniaki IIZUKA, Takashi YOSHIDA, Yuji SASAKI, Tatsumi INOMATA, Takuya OZASA, Tomohisa OKADA, Ryosuke YUMOTO, Kouta KIMACHI
  • Publication number: 20190113357
    Abstract: An alighting position setting device includes an option presentation unit configured to present an occupant of a vehicle with multiple options set in advance relating to a request for an alighting position for a destination when the vehicle in an autonomous driving toward the destination set in advance approaches the destination, an option recognition unit configured to recognize the option selected by the occupant from the multiple options, and an alighting position setting unit configured to set an alighting position based on the request for the alighting position corresponding to the option selected by the occupant.
    Type: Application
    Filed: September 11, 2018
    Publication date: April 18, 2019
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Junya Watanabe, Seiji Arakawa, Yuji Sasaki, Masafumi Hayakawa, Naotoshi Kadotani, Takashi Hayashi
  • Publication number: 20190108539
    Abstract: A vehicle dispatch device is configured to dispatch a vehicle having an autonomous driving function to a user, the device includes: a search unit configured to search for a first alternative moving object when the vehicle cannot continue the autonomous driving to the destination during the autonomous driving of the vehicle on which the user is boarded, the first alternative moving object to which the user can transfer at a boarding position which is within a predetermined distance from a position on a route to an end position of the autonomous driving of the vehicle, within a predetermined time from alighting from the vehicle; and a grant unit configured to grant a reward to the user when the first alternative moving object does not exist.
    Type: Application
    Filed: September 10, 2018
    Publication date: April 11, 2019
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Junya WATANABE, Seiji ARAKAWA, Yuji SASAKI, Masafumi HAYAKAWA, Naotoshi KADOTANI, Takashi HAYASHI
  • Publication number: 20190097202
    Abstract: According to an embodiment, a battery module includes, for example, a plurality of battery cells, a first chassis, and a connection member. The battery cells are aligned in a first direction. The first chassis includes a plurality of first compartments in which the battery cells are housed one by one, and at least one second compartment that is partitioned in the first direction. The connection member includes a body that is housed in the second compartment; a pair of connection terminals that is mounted on a first face of the body and is electrically connectable to the electrodes of the battery cells via a conductive member, the first face facing in a second direction intersecting with the first direction; and a conductor that extends across the pair of connection terminals.
    Type: Application
    Filed: September 20, 2018
    Publication date: March 28, 2019
    Applicants: Kabushiki Kaisha Toshiba, Toshiba Infrastructure Systems & Solutions Corporation
    Inventors: Masahito Morone, Hirofumi Yamamoto, Tatsumi Matsuo, Motohiro Itou, Shinya Sato, Kazuto Kuroda, Ryo Okabe, Norihiro Kaneko, Minoru Gyoda, Yuji Sasaki, Kota Asami, Nobuyasu Negishi