Patents by Inventor Takahiro Kono
Takahiro Kono 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: 20240079491Abstract: A semiconductor device according to an embodiment includes a semiconductor chip having a transistor region and a diode region, and a conductor. The semiconductor chip includes a first electrode, a second electrode, a silicon carbide layer between the first electrode and the second electrode, and a gate electrode. The first electrode includes a first region in the transistor region and a second region in the diode region. A first contact area between the conductor and the first region is larger than a second contact area between the conductor and the second region.Type: ApplicationFiled: March 3, 2023Publication date: March 7, 2024Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Teruyuki OHASHI, Hiroshi KONO, Shunsuke ASABA, Takahiro OGATA
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Publication number: 20240079453Abstract: A semiconductor device according to an embodiment includes a semiconductor chip having a transistor region and a diode region, a first conductor, and a second conductor. The semiconductor chip includes a first electrode, a second electrode, a silicon carbide layer between the first electrode and the second electrode, and a gate electrode. The transistor region is provided with a third electrode spaced apart from the first electrode and close to the diode region. One end of the first conductor is in contact with the first electrode, and one end of the second conductor is in contact with the third electrode.Type: ApplicationFiled: March 3, 2023Publication date: March 7, 2024Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Teruyuki OHASHI, Hiroshi KONO, Shunsuke ASABA, Takahiro OGATA
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Publication number: 20240072121Abstract: A semiconductor device according to an embodiment includes a transistor region and a diode region. The transistor region includes n-type first SiC region having a first portion contacting a first plane, p-type second SiC region, n-type third SiC region, and a gate electrode. The diode region includes the first SiC region having a second portion contacting the first plane and p-type fourth SiC region. The semiconductor device includes a first electrode contacting the first portion and the second portion and a second electrode contacting a second plane. An occupied area per unit area of the fourth SiC region is larger than an occupied area per unit area of the second SiC region. In addition, a first diode region is provided between a first transistor region and a second transistor region. An inorganic insulating layer is provided between the first electrode and a gate wiring adjacent to the first electrode.Type: ApplicationFiled: March 2, 2023Publication date: February 29, 2024Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Teruyuki OHASHI, Tatsuo SHIMIZU, Hiroshi KONO, Shunsuke ASABA, Takahiro OGATA
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Publication number: 20240072120Abstract: A semiconductor device according to an embodiment includes a transistor region and a diode region. The transistor region includes a first silicon carbide region of n-type having a first portion in contact with a first plane, a second silicon carbide region of p-type, a third silicon carbide region of n-type, and a gate electrode. The diode region includes the first silicon carbide region of n-type having a second portion in contact with the first plane and a fourth silicon carbide region of p-type. The semiconductor device includes a gate wiring electrically connected to the gate electrode. A distance between a high-concentration portion included in the fourth silicon carbide region and the gate wiring is larger than a distance between a high-concentration portion included in the second silicon carbide region and the gate wiring.Type: ApplicationFiled: March 2, 2023Publication date: February 29, 2024Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Teruyuki OHASHI, Hiroshi KONO, Shunsuke ASABA, Takahiro OGATA
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Patent number: 11773845Abstract: A helical gear pump includes a casing including a body (11), a front cover (12), and a rear cover (13), a pair of helical gears (23) and (24) that are housed in a hole portion formed on the body (11) and mesh with each other, and a pair of bearing cases (25) and (26) that sandwich the helical gears (23) and (24) in the hole portion. Of the helical gears (23) and (24), the number of teeth of the helical gear (23) on the driving side is larger than the number of teeth of the helical gear (24) on the driven side.Type: GrantFiled: March 8, 2019Date of Patent: October 3, 2023Assignee: SHIMADZU CORPORATIONInventors: Kenichi Kanatani, Takahiro Kono
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Publication number: 20220235763Abstract: A gear pump is capable of maintaining the pump volumetric efficiency for preferably supplying a hydraulic liquid while adequately securing a sealing area, even if a cross sectional area of a flow-in passage is increased. The cross section of a suction passage has a rectangular shape in a side close to a hollow space in a body, and has a circular shape in the outside of the body. The rectangular shape of the suction passage in the hollow space side in the body has a long side extending in a direction along the tooth width of the spur gears, and a short side extending along a direction perpendicular to the tooth width direction. The suction passage has a shape that smoothly connects the rectangular shape in the hollow space side in the body with the circular shape in the outside of the body.Type: ApplicationFiled: January 28, 2021Publication date: July 28, 2022Applicant: SHIMADZU CORPORATIONInventors: Kenichi KANATANI, Takahiro KONO
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Patent number: 11378076Abstract: A gear pump is capable of maintaining the pump volumetric efficiency for preferably supplying a hydraulic liquid while adequately securing a sealing area, even if a cross sectional area of a flow-in passage is increased. The cross section of a suction passage has a rectangular shape in a side close to a hollow space in a body, and has a circular shape in the outside of the body. The rectangular shape of the suction passage in the hollow space side in the body has a long side extending in a direction along the tooth width of the spur gears, and a short side extending along a direction perpendicular to the tooth width direction. The suction passage has a shape that smoothly connects the rectangular shape in the hollow space side in the body with the circular shape in the outside of the body.Type: GrantFiled: January 28, 2021Date of Patent: July 5, 2022Assignee: SHIMADZU CORPORATIONInventors: Kenichi Kanatani, Takahiro Kono
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Publication number: 20220112894Abstract: A helical gear pump includes a casing including a body (11), a front cover (12), and a rear cover (13), a pair of helical gears (23) and (24) that are housed in a hole portion formed on the body (11) and mesh with each other, and a pair of bearing cases (25) and (26) that sandwich the helical gears (23) and (24) in the hole portion. Of the helical gears (23) and (24), the number of teeth of the helical gear (23) on the driving side is larger than the number of teeth of the helical gear (24) on the driven side.Type: ApplicationFiled: March 8, 2019Publication date: April 14, 2022Applicant: SHIMADZU CORPORATIONInventors: Kenichi KANATANI, Takahiro KONO
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Publication number: 20210302084Abstract: The present invention provides a control device for detecting an abnormal operation state of a compressor in a parallel refrigerator. The control device is a control device for a refrigerator that includes a plurality of compressors connected in parallel, and detects occurrence of surging and occurrence of droplet suction on the basis of a deviation between values of currents flowing through electric motors that is configured to drive each of the plurality of compressors, and an operation point indicated by the air volume and the compression ratio of the plurality of compressors.Type: ApplicationFiled: June 18, 2019Publication date: September 30, 2021Applicant: MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD.Inventors: Ryosuke SUEMITSU, Akimasa YOKOYAMA, Takahiro KONO, Yasushi HASEGAWA
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Patent number: 10795535Abstract: Provided are a display control method by which the user can cause, with enhanced ease of use, one display device to display multiple screens, and a computer program, a display control device, and an image display system. A working area generation unit generates multiple areas corresponding to multiple display areas displayed on a display screen and positions the generated areas in a working area. When only a display area A (parent screen) is displayed on the display screen (when the PinP function is disabled), a pointer position monitoring unit determines whether the pointer position has moved from an area a to an area b and outputs the determination to a simultaneous display command generation unit. If so determined, the simultaneous display command generation unit outputs a PinP function enable command to a display device.Type: GrantFiled: May 10, 2013Date of Patent: October 6, 2020Assignee: EIZO CorporationInventors: Takahiro Kono, Yoichi Ohoto, Masaki Kita
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Publication number: 20200173693Abstract: To provide a control device of a refrigerating cycle, a heat source device, and a control method therefor which are capable of realizing a stable low-load operation without using a hot gas bypass pipe. A centrifugal chiller includes a compressor compressing a refrigerant; a condenser condensing the refrigerant compressed by the compressor; an expansion valve expanding a liquid refrigerant delivered from the condenser; an evaporator evaporating the refrigerant expanded by the expansion valve; and a control device (10).Type: ApplicationFiled: October 15, 2018Publication date: June 4, 2020Applicant: MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD.Inventors: Akimasa YOKOYAMA, Takahiro KONO
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Publication number: 20200096243Abstract: There is provided a chiller control device (50) of a chiller system (1) that is provided with a centrifugal chiller (11) provided with a compressor (60) rotated by a motor (72), an operation panel (20) which is provided in the centrifugal chiller (11), operates the centrifugal chiller (11), and displays a state of the centrifugal chiller (11), and a starting panel (20) which supplies power to the motor (72) and starts the motor (72). The starting panel (10) begins supplying power to the motor (72) of the compressor (60) in response to a start command from the centrifugal chiller (11) to start the motor (72), and outputs a start answer and a start completion signal to the centrifugal chiller (11), and an abnormal state is output to the operation panel (20) if the start answer and/or the start completion signal continue to be output after the centrifugal chiller (11) has stopped.Type: ApplicationFiled: April 24, 2018Publication date: March 26, 2020Applicant: MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD.Inventors: Takahiro KONO, Yasuhiro IKENO, Takaaki MIURA
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Publication number: 20190378185Abstract: An entertainment quality control device capable of controlling various types of entertainment quality. The entertainment quality control apparatus includes: user evaluation means for evaluating a user; and sales permission determination means for determining whether or not to sell a ticket in accordance with a received purchase request in response to a purchase request of a ticket relating to an entertainment from the user, based on evaluation of the ticket to the user by the user evaluation means.Type: ApplicationFiled: January 16, 2018Publication date: December 12, 2019Applicant: PLAYGROUND CO., LTD.Inventors: Keiji ITO, Takahiro KONO
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Publication number: 20190236852Abstract: An electronic ticket system and a program have high convenience. In an electronic ticket system including a user terminal having a display device displaying a ticket face of an electronic ticket, and a deletion device deleting the electronic ticket selected by the user terminal. A program causes the user terminal to realize a function of changing a ticket face of the electronic ticket displayed on the display device.Type: ApplicationFiled: October 18, 2017Publication date: August 1, 2019Applicant: PLAYGROUND CO., LTD.Inventors: Keiji ITO, Takahiro KONO
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Patent number: 9458776Abstract: Abnormality diagnosis device for a variable valve mechanism configured to open an exhaust valve even during an intake stroke and capable of selecting a first mode wherein the exhaust valve only opens during an exhaust stroke, or a second mode wherein the exhaust valve opens during both an exhaust stroke and an intake stroke. The abnormality diagnosis by the device determines the mechanism is abnormal when a difference between an exhaust gas returning amount calculated to recirculate from an exhaust passage into a cylinder in the second mode based on intake air amounts in the first and second modes, and an exhaust gas returning amount estimated to recirculate from an exhaust passage in the second mode based on an exhaust gas pressure, exceeds a diagnosis threshold value. The higher an exhaust gas pressure is, the larger an exhaust gas returning amount is estimated to be.Type: GrantFiled: January 7, 2015Date of Patent: October 4, 2016Assignee: Mazda Motor CorporationInventors: Hiroshi Haehara, Daishi Ikeda, Takahiro Kono
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Publication number: 20150293663Abstract: Provided are a display control method by which the user can cause, with enhanced ease of use, one display device to display multiple screens, and a computer program, a display control device, and an image display system. A working area generation unit generates multiple areas corresponding to multiple display areas displayed on a display screen and positions the generated areas in a working area. When only a display area A (parent screen) is displayed on the display screen (when the PinP function is disabled), a pointer position monitoring unit determines whether the pointer position has moved from an area a to an area b and outputs the determination to a simultaneous display command generation unit. If so determined, the simultaneous display command generation unit outputs a PinP function enable command to a display device.Type: ApplicationFiled: May 10, 2013Publication date: October 15, 2015Applicant: EIZO CORPORATIONInventors: Takahiro Kono, Yoichi Ohoto, Masaki Kita
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Patent number: 9123728Abstract: A semiconductor device includes an insulation film formed above a semiconductor substrate, a conductor containing Cu formed in the insulation film, and a layer film formed between the insulation film and the conductor and formed of a first metal film containing Ti and a second metal film different from the first metal film, a layer containing Ti and Si is formed on the surface of the conductor.Type: GrantFiled: January 22, 2014Date of Patent: September 1, 2015Assignee: FUJITSU SEMICONDUCTOR LIMITEDInventors: Takahiro Kono, Shinichi Akiyama, Hirofumi Watatani, Tamotsu Owada
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Publication number: 20150198104Abstract: Abnormality diagnosis device for a variable valve mechanism configured to open an exhaust valve even during an intake stroke and capable of selecting a first mode wherein the exhaust valve only opens during an exhaust stroke, or a second mode wherein the exhaust valve opens during both an exhaust stroke and an intake stroke. The abnormality diagnosis by the device determines the mechanism is abnormal when a difference between an exhaust gas returning amount calculated to recirculate from an exhaust passage into a cylinder in the second mode based on intake air amounts in the first and second modes, and an exhaust gas returning amount estimated to recirculate from an exhaust passage in the second mode based on an exhaust gas pressure, exceeds a diagnosis threshold value. The higher an exhaust gas pressure is, the larger an exhaust gas returning amount is estimated to be.Type: ApplicationFiled: January 7, 2015Publication date: July 16, 2015Inventors: Hiroshi Haehara, Daishi Ikeda, Takahiro Kono
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Patent number: 9035929Abstract: The present invention relates to a display device that measures display characteristics (such as luminance or chromaticity) associated with a display panel. The display device of the present invention has a light sensor (5) provided at a position allowing outgoing light from a screen (1a) of a liquid crystal panel (1), which serves as the display panel, and extraneous light reflected on the screen (1a) to enter the light sensor (5). Since the light sensor (5) is provided at the position, it is possible to measure the characteristics of the display panel and also the characteristics of the extraneous ambient light reflected on the screen. Thus, it is possible to accurately adjust the display characteristics based on the measurement results.Type: GrantFiled: April 21, 2014Date of Patent: May 19, 2015Assignee: EIZO CORPORATIONInventors: Eiichi Kaji, Takahiro Kono
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Publication number: 20140225880Abstract: The present invention relates to a display device that measures display characteristics (such as luminance or chromaticity) associated with a display panel. The display device of the present invention has a light sensor (5) provided at a position allowing outgoing light from a screen (1a) of a liquid crystal panel (1), which serves as the display panel, and extraneous light reflected on the screen (1a) to enter the light sensor (5). Since the light sensor (5) is provided at the position, it is possible to measure the characteristics of the display panel and also the characteristics of the extraneous ambient light reflected on the screen. Thus, it is possible to accurately adjust the display characteristics based on the measurement results.Type: ApplicationFiled: April 21, 2014Publication date: August 14, 2014Applicant: EIZO CORPORATIONInventors: Eiichi KAJI, Takahiro KONO