Patents by Inventor Koki Ito
Koki Ito 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: 10755861Abstract: An electronic component includes an element body of a rectangular parallelepiped shape, an external electrode, and an insulating film. The element body includes a first principal surface as a mounting surface, and a first side surface adjacent to the first principal surface. The external electrode includes a first electrode part and a second electrode part. The first electrode part is disposed on the first principal surface. The second electrode part is disposed on the first side surface and connected to the first electrode part. The insulating film continuously covers an end edge of the first electrode part and at least a part of an end edge of the second electrode part.Type: GrantFiled: September 5, 2017Date of Patent: August 25, 2020Assignee: TDK CORPORATIONInventors: Shinya Onodera, Koki Ito, Hideki Kaneko
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Patent number: 10707020Abstract: An electronic component includes an element body and an external electrode disposed on the element body. The external electrode includes a sintered metal layer and a conductive resin layer. The conductive resin layer is formed over the sintered metal layer and the element body. An average thickness of the conductive resin layer is smaller than that of the sintered metal layer.Type: GrantFiled: March 12, 2018Date of Patent: July 7, 2020Assignee: TDK CORPORATIONInventors: Shinya Onodera, Koki Ito, Hideki Kaneko
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Publication number: 20180268998Abstract: An electronic component includes an element body and an external electrode disposed on the element body. The external electrode includes a sintered metal layer and a conductive resin layer. The conductive resin layer is formed over the sintered metal layer and the element body. An average thickness of the conductive resin layer is smaller than that of the sintered metal layer.Type: ApplicationFiled: March 12, 2018Publication date: September 20, 2018Applicant: TDK CORPORATIONInventors: Shinya ONODERA, Koki ITO, Hideki KANEKO
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Publication number: 20180075972Abstract: An electronic component includes an element body of a rectangular parallelepiped shape, an external electrode, and an insulating film. The element body includes a first principal surface as a mounting surface, and a first side surface adjacent to the first principal surface. The external electrode includes a first electrode part and a second electrode part. The first electrode part is disposed on the first principal surface. The second electrode part is disposed on the first side surface and connected to the first electrode part. The insulating film continuously covers an end edge of the first electrode part and at least a part of an end edge of the second electrode part.Type: ApplicationFiled: September 5, 2017Publication date: March 15, 2018Applicant: TDK CORPORATIONInventors: Shinya ONODERA, Koki ITO, Hideki KANEKO
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Patent number: 9868433Abstract: A hybrid vehicle includes an engine: a regenerative motor for use when the hybrid vehicle runs, the motor having characteristics such that the motor efficiency is 90% or more at a rotational speed of 75% of the maximum rotational speed of the motor when the load of the motor is 10% or more of the maximum load of the motor; and a transmission which transmits the power of the engine to a wheel drive shaft. The motor is coupled to the wheel drive shaft without being coupled to the transmission.Type: GrantFiled: June 3, 2014Date of Patent: January 16, 2018Assignee: MAZDA MOTOR CORPORATIONInventors: Mitsuhiro Muto, Koki Ito, Shinji Takahara, Jun Inada, Tomoaki Saito
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Publication number: 20170158982Abstract: The lubricating oil composition of the present invention is a lubricating oil composition containing a lubricating base oil, a metal-based detergent, a molybdenum dialkyldithiocarbamate compound, and a boron-containing compound, wherein the metal-based detergent contains a calcium salicylate and at least one selected from the group consisting of a calcium sulfonate and a magnesium-based detergent; the lubricating oil composition arbitrarily contains an ashless friction modifier; the content of a calcium atom is 0.12 to 0.16 mass % on the basis of the whole amount of the lubricating oil composition; the content of a molybdenum atom is 0.05 to 0.10 mass % on the basis of the whole amount of the lubricating oil composition; and a predetermined coefficient X is less than 0.050.Type: ApplicationFiled: December 2, 2016Publication date: June 8, 2017Applicants: IDEMITSU KOSAN CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Kazushi TAMURA, Koki ITO, Toyoharu KANEKO, Kazuo YAMAMORI
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Publication number: 20160121874Abstract: A hybrid vehicle includes an engine: a regenerative motor for use when the hybrid vehicle runs, the motor having characteristics such that the motor efficiency is 90% or more at a rotational speed of 75% of the maximum rotational speed of the motor when the load of the motor is 10% or more of the maximum load of the motor; and a transmission which transmits the power of the engine to a wheel drive shaft. The motor is coupled to the wheel drive shaft without being coupled to the transmission.Type: ApplicationFiled: June 3, 2014Publication date: May 5, 2016Applicant: MAZDA MOTOR CORPORATIONInventors: Mitsuhiro MUTO, Koki ITO, Shinji TAKAHARA, Jun INADA, Tomoaki SAITO
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Publication number: 20150322371Abstract: A lubricant oil composition of the present invention that is prepared by blending a boron-containing compound therein, the boron-containing compound having a ratio of an integrated value of peaks in the 5 to 25 ppm chemical shift to an integrated value of peaks in the ?10 ppm to 25 ppm chemical shift, as determined by 11B-NMR measurement in deuterochloroform using BF3.OEt2 as an external standard (0 ppm), of 0.5 or higher and 1.0 or lower.Type: ApplicationFiled: December 18, 2013Publication date: November 12, 2015Applicant: IDEMITSU KOSAN CO., LTD.Inventors: Hiroshi OKI, Yoriyuki TAKASHIMA, Koki ITO
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Publication number: 20150218482Abstract: [Problem] To provide a lubricating oil composition capable of attaining high-level fuel efficiency, durability and piston detergency in internal-combustion engines. [Means for Resolution] The lubricating oil composition according to the present invention contains a viscosity index improver and a metallic detergent in at least one base oil selected from mineral oils and synthetic oils therein, wherein the viscosity index improver contains a polymethacrylate viscosity index improver and an olefin copolymer viscosity index improver, the polymethacrylate viscosity index improver is contained in an amount of from 3.0% by mass to 9.5% by mass based on the total amount of the lubricating oil composition, the metallic detergent is at least one selected from calcium sulfonate, calcium phenate and calcium salicylate, the calcium amount derived from the metallic detergent is from 500 ppm to 1500 ppm based on the total amount of the lubricating oil composition, the high-temperature high-shear viscosity at 150° C.Type: ApplicationFiled: January 28, 2015Publication date: August 6, 2015Applicants: IDEMITSU KOSAN CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Koki ITO, Kosuke FUJIMOTO, Minoru YAMASHITA
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Patent number: 8592356Abstract: A lubricating oil composition used in an internal combustion engine contains lubricating base oil; a disulfide compound as a component (A), a no-boron-containing ashless dispersant as a component (B), and a boron-containing ashless dispersant as a component (C). The disulfide compound as the component (A) is represented by the following formula (1) and/or the following formula (2). The no-boron-containing ashless dispersant as the component (B) has in its side chain: an alkyl group having a number average molecular weight of 500 to 3,000; or an alkenyl group having a number average molecular weight of 500 to 3,000. The boron-containing ashless dispersant as the component (C) has in its side chain: an alkyl group having a number average molecular weight of 500 to 4,000; or an alkenyl group having a number average molecular weight of 500 to 4,000.Type: GrantFiled: May 21, 2008Date of Patent: November 26, 2013Assignee: Idemitsu Kosan Co., Ltd.Inventor: Koki Ito
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Patent number: 8592355Abstract: An engine oil composition obtained by compounding: (A) a base oil mixture including a first base oil and a second base oil, the first base oil having a kinematic viscosity of 2 to 50 mm2/s at 100° C., a viscosity index of 80, and a sulfur content of less than 0.03 mass %, the second base oil having a kinematic viscosity of 2 to 50 mm2/s at 100° C., a viscosity index of 60, and a sulfur content of 0.03 mass % or more; (B) an oil-soluble molybdenum-containing composition; and (C) a molybdenum-based friction modifier; in which, based on the total amount of engine oil composition, the content of the second base oil is 0.1 to 15 mass %, the content of (B) oil-soluble molybdenum-containing composition is 10 to 1000 mass ppm in terms of amount of molybdenum, and the content of (C) molybdenum-based friction modifier is 100 to 1000 mass ppm in terms of amount of molybdenum.Type: GrantFiled: June 5, 2006Date of Patent: November 26, 2013Assignee: Idemitsu Kosan Co., Ltd.Inventor: Koki Ito
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Publication number: 20100144567Abstract: A lubricating oil composition used in an internal combustion engine contains lubricating base oil; a disulfide compound as a component (A), a no-boron-containing ashless dispersant as a component (B), and a boron-containing ashless dispersant as a component (C). The disulfide compound as the component (A) is represented by the following formula (1) and/or the following formula (2). The no-boron-containing ashless dispersant as the component (B) has in its side chain: an alkyl group having a number average molecular weight of 500 to 3,000; or an alkenyl group having a number average molecular weight of 500 to 3,000. The boron-containing ashless dispersant as the component (C) has in its side chain: an alkyl group having a number average molecular weight of 500 to 4,000; or an alkenyl group having a number average molecular weight of 500 to 4,000.Type: ApplicationFiled: May 21, 2008Publication date: June 10, 2010Applicant: IDEMITSU KOSAN CO., LTD.Inventor: Koki Ito
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Publication number: 20100009882Abstract: A lubricating oil composition for an internal combustion engine, which includes a base oil, (A) at least one member selected from the group consisting of disulfide compounds represented by the general formula (I): R1OOC-A1-S—S-A2-COOR2??(I) and disulfide compounds represented by the general formula (II): R7OOC—CR9R10—CR11(COOR8)—S—S—CR16(COOR13)—CR14R15—COOR12??(II), and (B) at least one member selected from the group consisting of alkali metal-based detergents and alkaline earth metal-based detergents, the component (B) being present in an amount of 10 to 2,000 ppm by mass in terms of metal content. The lubricating oil composition has a low ash content, a low phosphorous content and a low sulfur content. But, Nonetheless, it can maintain wear resistance, has excellent heat resistance, can extend the lubricating oil change interval and has a long service life.Type: ApplicationFiled: October 22, 2007Publication date: January 14, 2010Applicant: IDEMITSU KOSAN CO., LTDInventor: Koki Ito
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Publication number: 20060287203Abstract: An engine oil composition obtained by compounding: (A) a base oil mixture including a first base oil and a second base oil, the first base oil having a kinematic viscosity of 2 to 50 mm2/s at 100° C., a viscosity index of 80, and a sulfur content of less than 0.03 mass %, the second base oil having a kinematic viscosity of 2 to 50 mm2/s at 100° C., a viscosity index of 60, and a sulfur content of 0.03 mass % or more; (B) an oil-soluble molybdenum-containing composition; and (C) a molybdenum-based friction modifier; in which, based on the total amount of engine oil composition, the content of the second base oil is 0.1 to 15 mass %, the content of (B) oil-soluble molybdenum-containing composition is 10 to 1000 mass ppm in terms of amount of molybdenum, and the content of (C) molybdenum-based friction modifier is 100 to 1000 mass ppm in terms of amount of molybdenum.Type: ApplicationFiled: June 5, 2006Publication date: December 21, 2006Applicant: Idemitsu Kosan Co., Ltd.Inventor: Koki ITO
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Patent number: 6912115Abstract: A multilayer capacitor includes a multilayer body as a main body of the multilayer capacitor, in which a plurality of internal electrodes and stacked dielectric layers each interposed between the internal electrodes are disposed, being stacked in a stack direction, and dielectrics are disposed on an outer periphery side of the plural internal electrodes, wherein: a pair of upper and lower margin portions in which no internal electrode exists are disposed respectively between end faces positioned in the stack direction of the multilayer body and the internal electrodes that are the closest to the end faces positioned in the stack direction; a pair of right and left margin portions in which no internal electrode exists are disposed respectively between end faces positioned in a direction intersecting the stack direction of the multilayer body and end portions of the internal electrodes; and dimensions of the upper and lower margin portions and dimensions of the right and left margin portions are all 50 ?m to 20Type: GrantFiled: October 6, 2004Date of Patent: June 28, 2005Assignee: TDK CorporationInventors: Ryo Kobayashi, Koki Ito
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Publication number: 20050094350Abstract: A multilayer capacitor includes a multilayer body as a main body of the multilayer capacitor, in which a plurality of internal electrodes and stacked dielectric layers each interposed between the internal electrodes are disposed, being stacked in a stack direction, and dielectrics are disposed on an outer periphery side of the plural internal electrodes, wherein: a pair of upper and lower margin portions in which no internal electrode exists are disposed respectively between end faces positioned in the stack direction of the multilayer body and the internal electrodes that are the closest to the end faces positioned in the stack direction; a pair of right and left margin portions in which no internal electrode exists are disposed respectively between end faces positioned in a direction intersecting the stack direction of the multilayer body and end portions of the internal electrodes; and dimensions of the upper and lower margin portions and dimensions of the right and left margin portions are all 50 ?m to 20Type: ApplicationFiled: October 6, 2004Publication date: May 5, 2005Applicant: TDK CORPORATIONInventors: Ryo Kobayashi, Koki Ito
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Patent number: 5334117Abstract: An automatic transmission includes first and second multi-step or speed transmissions mounted in parallel with each other with respect to a transmission shaft. The multi-step or speed transmissions are operationally coupled by a counter gear for transmitting engine torque from the first multi-step or speed transmission to the second multi-transmission. An extension unit having friction clutch elements is detachably coupled to the first multi-step or speed transmission for changing a transmission path of the engine torque through it. The number of shiftable gear ratios of the automatic transmission, therefore, can be increased.Type: GrantFiled: May 11, 1993Date of Patent: August 2, 1994Assignee: Mazda Motor CorporationInventor: Koki Ito
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Patent number: 5213552Abstract: A transmission has a pair of parallel shafts, a first shaft being connected through a torque converter with a vehicle engine and a second shaft carrying an output gear which is adapted to engage with a differential unit for the front wheel drive axle. The first shaft is provided with a first gear system thereon which includes one or more planetary gearsets, and the second shaft is provided with a second gear system thereon which includes a planetary gearset. A sun gear constituting the planetary gearset of the second gear system is integrally provided on the second shaft so that it can rotate together with the second shaft. A brake and a one-way clutch for controlling the action of this planetary gearset are provided between the second shaft and the case in such a manner that the brake can restrict the rotation of the second shaft, and that the one-way clutch can prohibit the rotation of the second shaft in one direction. The output gear is carried rotatably on the second shaft.Type: GrantFiled: June 27, 1991Date of Patent: May 25, 1993Assignee: Mazda Motor CorporationInventor: Koki Ito
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Patent number: 5203749Abstract: An automatic transmission has an input shaft and an output shaft provided parallel to the input shaft. Above the input shaft is provided a pair of planetary gear mechanisms, an output gear supported on the transmission casing, and two input elements for inputting to the pair of planetary gear mechanisms. The input elements are spaced apart in the direction of the shafts, and the pair of planetary gear mechanisms and the output gear are provided in the space between the input elements. The planetary gear mechanisms are preferably provided respectively facing each side of the output gear with the output gear in the middle. The output gear preferably functions as a connecting member to operably connect with a rotational member of one of the planetary gear mechanisms. The transmission comprises a plurality of frictional engagement elements for selectively operating the planetary gear mechanism according to the driving condition of the vehicle.Type: GrantFiled: January 21, 1992Date of Patent: April 20, 1993Assignee: Mazda Motor CorporationInventor: Koki Ito