Patents by Inventor Yutaka Takakura
Yutaka Takakura 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: 11940794Abstract: A vehicle video control apparatus includes a support control unit configured to control left and right support parts so that they can be positioned at first positions and at second positions, the left and right support parts being configured to support left and right image-pickup apparatuses disposed on left and right sides of a vehicle, the first positions being positions at which the left and right image-pickup apparatuses face in directions to the left-rear and right-rear of the vehicle, and the second positions being positions at which the left and right image-pickup apparatuses face in directions to the left/right of the vehicle, a display control unit configured to display video images taken by the left and right image-pickup apparatuses on a monitor, the monitor being configured so that a driver of the vehicle can see the monitor.Type: GrantFiled: January 26, 2021Date of Patent: March 26, 2024Assignee: JVCKENWOOD CORPORATIONInventor: Yutaka Takakura
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Publication number: 20210149400Abstract: A vehicle video control apparatus includes a support control unit configured to control left and right support parts so that they can be positioned at first positions and at second positions, the left and right support parts being configured to support left and right image-pickup apparatuses disposed on left and right sides of a vehicle, the first positions being positions at which the left and right image-pickup apparatuses face in directions to the left-rear and right-rear of the vehicle, and the second positions being positions at which the left and right image-pickup apparatuses face in directions to the left/right of the vehicle, a display control unit configured to display video images taken by the left and right image-pickup apparatuses on a monitor, the monitor being configured so that a driver of the vehicle can see the monitor.Type: ApplicationFiled: January 26, 2021Publication date: May 20, 2021Inventor: Yutaka TAKAKURA
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Patent number: 7973001Abstract: A lubricating oil composition of the invention includes a lubricant base oil of which kinematic viscosity at 100 degrees C. is 1 to 5 mm2/s; and at least one component selected from an olefin copolymer (OCP) and a poly-?-olefin (PAO) of which kinematic viscosity at 100° C. is 20 to 2000 mm2/s, a kinematic viscosity of the lubricating oil composition at 100 degrees C. being 8 mm2/s or less and viscosity index thereof being 155 or more.Type: GrantFiled: December 18, 2007Date of Patent: July 5, 2011Assignee: Idemitsu Kosan Co., Ltd.Inventors: Hiroshi Fujita, Yutaka Takakura
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Publication number: 20100048440Abstract: A lubricating oil composition of the invention includes a lubricant base oil of which kinematic viscosity at 100 degrees C. is 1 to 5 mm2/s; and at least one component selected from an olefin copolymer (OCP) and a poly-?-olefin (PAO) of which kinematic viscosity at 100° C. is 20 to 2000 mm2/s, a kinematic viscosity of the lubricating oil composition at 100 degrees C. being 8 mm2/s or less and viscosity index thereof being 155 or more.Type: ApplicationFiled: December 18, 2007Publication date: February 25, 2010Applicant: Idemitsu Kosan Co., LtdInventors: Hiroshi Fujita, Yutaka Takakura
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Publication number: 20090312211Abstract: Provided is a lubricant composition containing a lubricant base oil and 0.5 to 10 mass % of (A) an ethylene/?-olefin copolymer having a number average molecular weight of 2,800 to 8,000, in which the lubricant base oil used here has a kinematic viscosity at 100° C. of 1.5 to 40 mm2/s, a viscosity index of 100 or more, a pour point of ?25° C. or lower, and a sulfur content of 0.01 mass % or less, and the lubricant composition has low viscosity and a long metal fatigue life, while being excellent in low-temperature fluidity and oxidation stability, thereby being particularly suitable as a lubricant for automobile transmissions or the like.Type: ApplicationFiled: July 31, 2007Publication date: December 17, 2009Applicant: IDEMITSU KOSAN CO., LTD.Inventors: Ryou Yamada, Yutaka Takakura
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Patent number: 6809069Abstract: A lubricating oil composition which comprises a lubricating base oil and a sulfonate, phenate or salicylate of an alkaline earth metal and has a friction coefficient between metals of 0.12 or higher at −20° C. as measured in accordance with a block-on-disk test. The friction coefficient between metals in the use of a metal belt can be kept high within a wide range of temperature from low temperatures to high temperatures. In particular, the lubricating oil exhibits a high performance of &mgr;=0.12 or higher at a low temperature of −20° C. in accordance with a block-on-disk test.Type: GrantFiled: October 24, 2002Date of Patent: October 26, 2004Assignee: Idemitsu Kosan Co., Ltd.Inventors: Junichi Deshimaru, Yutaka Takakura
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Publication number: 20030158053Abstract: A lubricating oil composition which comprises a lubricating base oil and a sulfonate, phenate or salicylate of an alkaline earth metal and has a friction coefficient between metals of 0.12 or higher at −20° C. as measured in accordance with a block-on-disk test. The friction coefficient between metals in the use of a metal belt can be kept high within a wide range of temperature from low temperatures to high temperatures. In particular, the lubricating oil exhibits a high performance of &mgr;=0.12 or higher at a low temperature of −20° C. in accordance with a block-on-disk test.Type: ApplicationFiled: October 24, 2002Publication date: August 21, 2003Inventors: Junichi Deshimaru, Yutaka Takakura
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Patent number: 6143845Abstract: There is disclosed a process for producing a polyolefin which comprises polymerizing an olefin by the use of a catalyst comprising a specific transition metal compound, an aluminoxane and a specific magnesium compound or a catalyst comprising a specific transition metal compound, an aluminoxane, a specific magnesium compound and an organoaluminum compound. The use of the above process in polymerizing the olefin enables efficient stable production of a high molecular weight polyolefin improved in the powder morphology of the produced polymer, facilitated in the regulation of the molecular weight distribution and gifted with excellent particle shape.Type: GrantFiled: July 26, 1994Date of Patent: November 7, 2000Assignee: Idemitsu Petrochemical Co., Ltd.Inventors: Kenji Nakacho, Yutaka Takakura, Hideo Funabashi
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Patent number: 6121402Abstract: Polyethylenes are disclosed herein which are derived from an ethylene monomer and in which any quaternary carbon atom is not present in a polymeric main chain; and the activation energy (Ea) of melt flow is in the range of 8 to 20 kcal/mol; as well as(1) a Huggins coefficient (k) and an intrinsic viscosity [.eta.] meet the relation of the equationk.gtoreq.0.2+0.0743.times.[.eta.];(2) a molar ratio [CH.sub.3 /CH.sub.2 ] of a methyl group to a methylene group is in a region of 0.005 to 0.1 and meets the equationTm.gtoreq.131-1340[CH.sub.3 /CH.sub.2 ];(3) an Mw and a die swell ratio (DR) meet the equationDR>0.5+0.125.times.log Mw; or(4) in the measurement of a loss elastic modulus, a .beta.-relaxation peak is present in the range of 0 to -100.degree. C.These polyethylenes are different from a usual HDPE, L-LDPE and LDPE, and they are excellent in working properties and permit the control of physical properties such as density, a melting point and crystallinity mainly in the state of a homopolymer.Type: GrantFiled: March 23, 1998Date of Patent: September 19, 2000Assignee: Idemitsu Kosan Co., Ltd.Inventors: Shuji Machida, Haruo Shikuma, Ayami Hoshino, Yutaka Takakura
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Patent number: 5747620Abstract: Ethylene copolymers are disclosed herein which are each derived from ethylene and an olefin of C.sub.3 to C.sub.20 and in which any quaternary carbon atom is not present in a polymeric main chain; the activation energy (Ea) of melt flow is in the range of 8 to 20 kcal/mol; and (1) a ratio between a Huggins coefficient (k.sup.1) of the copolymer and a Huggins coefficient (k.sup.2) of a straight-chain ethylene polymer having the same intrinsic viscosity meets the equation 1.12<k.sup.1 /k.sup.2 .ltoreq.5, or (2) a molar ratio ?CH.sub.3 /CH.sub.2 ! of a methyl group to a methylene group in a molecular chain is in the range of 0.005 to 0.1, and the equation Tm.gtoreq.131-1,340 ?CH.sub.3 /CH.sub.2 ! is met, or (3) Mw and a die swell ratio (DR) meet the equation DR>0.5+0.125.times.log Mw.Type: GrantFiled: August 21, 1995Date of Patent: May 5, 1998Assignee: Idemitsu Kosan Co., Ltd.Inventors: Shuji Machida, Haruo Shikuma, Ayami Hoshino, Yutaka Takakura
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Patent number: 4594429Abstract: The present invention relates to a novel process for producing 3-chloro-1-formyl-4-phenylpyrroles having the general formula [I] as a useful fungicidal agent in agriculture and horticulture which is manufactured from the starting material of 3-phenyl-2,2,4-trichlorobutanal having the general formula [IV] as set forth in the following reaction formulae:By means of obtaining a pyrroline derivative having the general formula [III] as the intermediate compound, its production operation is greatly simplified and its yield rate is raised in comparison with the conventional processes. ##STR1## where X denotes the same or different kinds of substituent(s) being chosen from the group consisting of halo, nitro, and trifluoromethyl and n denotes zero or an integer of 1 or 2.Type: GrantFiled: June 4, 1984Date of Patent: June 10, 1986Assignee: Nippon Soda Co. Ltd.Inventors: Akiyoshi Ueda, Fumihiko Nagasaki, Yutaka Takakura, Shigeru Kojima
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Patent number: 4532363Abstract: There is a method for the production of 3-phenylpyrrole derivatives having the general formula ##STR1## wherein X is halogen, nitro or haloalkyl having 1 to 3 carbon atoms;n is 0, 1 or 2; andZ is hydrogen or halogen;which comprises reacting a compound having the general formula ##STR2## wherein X and n are as previously defined; andY is hydrogen or halogen;with ammonia or aqueous ammonia in an organic solvent.A compound having the general formula [I] is useful as fungicide or intermediate thereof.Type: GrantFiled: May 30, 1984Date of Patent: July 30, 1985Assignee: Nippon Soda Company LimitedInventors: Akiyoshi Ueda, Humiko Nagasaki, Yutaka Takakura, Shigeru Kojima
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Patent number: 4471126Abstract: There is a method for the production of 3-phenylpyrrole derivatives having the general formula ##STR1## wherein X is halogen, nitro or haloalkyl having 1 to 3 carbon atoms;n is 0, 1 or 2; andZ is hydrogen or halogen;which comprises reacting a compound having the general formula ##STR2## wherein X and n are as previously defined; andY is hydrogen or halogen;with ammonia or aqueous ammonia in an organic solvent.A compound having the general formula [I] is useful as fungicide or intermediate thereof.Type: GrantFiled: April 18, 1983Date of Patent: September 11, 1984Assignee: Nippon Soda Company LimitedInventors: Akiyoshi Ueda, Humihiko Nagasaki, Yutaka Takakura, Shigeru Kojima
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Patent number: 4011254Abstract: Diaminomaleonitrile which is produced by the tetramerization of hydrogen cyanide is purified by heating a crude diaminomaleonitrile in an inert liquid or in an inert atmosphere at a temperature of 90.degree. to 140.degree. C, preferably 100.degree. to 120.degree. C, and then extracting pure diaminomaleonitrile having a purity of about 99% from said heated crude diaminomaleonitrile with a solvent.Type: GrantFiled: August 19, 1975Date of Patent: March 8, 1977Assignee: Nippon Soda Company LimitedInventors: Tatsumi Kobayashi, Yutaka Takakura, Sadafumi Yoshino, Yoshiaki Fukuda