Patents by Inventor Toshihiro Fujino
Toshihiro Fujino 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: 11955939Abstract: A control device includes: a difference calculator that calculates a maximum gain difference between frequency characteristics of an audio signal and desired frequency characteristics in a predetermined frequency band; a center frequency calculator that calculates a center frequency between a first frequency at which the gain difference is 1/?2 times the maximum gain difference and which is closest to a peak frequency corresponding to the maximum gain difference among one or more frequencies lower than the peak frequency and a second frequency at which the gain difference is 1/?2 times the maximum gain difference and which is closest to the peak frequency among one or more frequencies higher than the peak frequency; a determiner that determines parameters of an equalizer based on the maximum gain difference and the center frequency; and an outputter that outputs the parameters to the equalizer.Type: GrantFiled: August 13, 2020Date of Patent: April 9, 2024Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventor: Toshihiro Fujino
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Publication number: 20230033959Abstract: A control device includes: a difference calculator that calculates a maximum gain difference between frequency characteristics of an audio signal and desired frequency characteristics in a predetermined frequency band; a center frequency calculator that calculates a center frequency between a first frequency at which the gain difference is 1/?2 times the maximum gain difference and which is closest to a peak frequency corresponding to the maximum gain difference among one or more frequencies lower than the peak frequency and a second frequency at which the gain difference is 1/?2 times the maximum gain difference and which is closest to the peak frequency among one or more frequencies higher than the peak frequency; a determiner that determines parameters of an equalizer based on the maximum gain difference and the center frequency; and an outputter that outputs the parameters to the equalizer.Type: ApplicationFiled: August 13, 2020Publication date: February 2, 2023Inventor: Toshihiro FUJINO
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Publication number: 20120098960Abstract: A video link type illuminating control system and video link type illuminating control method allow a signal containing the idea of the content creator to be added to an airwave signal or a video content signal so that the audio-visual space is illuminated based on the control signal generated from the signal. As a result, illumination can be controlled in linkage with video, thus increasing visual realism.Type: ApplicationFiled: August 26, 2008Publication date: April 26, 2012Inventors: Toshihiro Fujino, Yuichi Ishikawa, Natsuki Saito
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Publication number: 20100185012Abstract: A method of producing optically active trans-2-aminocyclohexanol includes allowing racemic trans-2-aminocyclohexanol to react with optically active 2-methoxyphenylacetic acid to produce an optically active 2-methoxyphenylacetic acid salt of optically active trans-2-aminocyclohexanol and separating the salt. An optically active 2-methoxyphenylacetic acid salt of optically active trans-2-aminocyclohexanol is also provided. The method makes it possible to produce optically active trans-2-aminocyclohexanol with ease and a high yield from an industrially-advantageous, inexpensive raw material.Type: ApplicationFiled: June 18, 2008Publication date: July 22, 2010Applicant: TORAY FINE CHEMICALS CO., LTDInventors: Ryuji Ogawa, Toshihiro Fujino, Kenichi Sakai
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Patent number: 7358384Abstract: When a salt of an amine and an optically active diacyltartaric acid, or a diastereomer salt of an optically active amine and an optically active diacyltartaric acid, obtained by optically resolving a racemic amine using the optically active diacyltartaric acid, is salt-exchanged with an acid aqueous solution, the optically active diacyltartaric acid is added in the acid aqueous solution beforehand. Furthermore, a raw material containing a racemic amine and an optically active diacyltartaric acid is optically resolved, and the diastereomer salt of the optically active amine and the optically active diacyltartaric acid respectively of one isomer type, is separated. The obtained diastereomer salt is dissociated using an acid aqueous solution containing the optically active diacyltartaric acid, for recovering the optically active diacyltartaric acid, and the obtained optically active diacyltartaric acid is recycled into an optical resolution step as a raw material of the optical resolution step.Type: GrantFiled: December 22, 2003Date of Patent: April 15, 2008Assignee: Toray Fine Chemicals Co., Ltd.Inventors: Seiji Morii, Toshihiro Fujino, Haruyo Sato
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Publication number: 20060058546Abstract: When a salt of an amine and an optically active diacyltartaric acid, or a diastereomer salt of an optically active amine and an optically active diacyltartaric acid, obtained by optically resolving a racemic amine using the optically active diacyltartaric acid, is salt-exchanged with an acid aqueous solution, the optically active diacyltartaric acid is added in the acid aqueous solution beforehand. Furthermore, a raw material containing a racemic amine and an optically active diacyltartaric acid is optically resolved, and the diastereomer salt of the optically active amine and the optically active diacyltartaric acid respectively of one isomer type, is separated. The obtained diastereomer salt is dissociated using an acid aqueous solution containing the optically active diacyltartaric acid, for recovering the optically active diacyltartaric acid, and the obtained optically active diacyltartaric acid is recycled into an optical resolution step as a raw material of the optical resolution step.Type: ApplicationFiled: December 22, 2003Publication date: March 16, 2006Inventors: Seiji Morii, Toshihiro Fujino, Haruyo Sato
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Patent number: 6962998Abstract: Disclosed are a method for producing racemic piperidine derivatives by processing optically-active piperidine derivatives in a hydrogen atmosphere in the presence of a reducing catalyst; and a method for producing optically-active piperidine derivatives or their acid salts by optically resolving the racemic piperidine derivatives obtained in the former method.Type: GrantFiled: June 4, 2001Date of Patent: November 8, 2005Assignee: Toray Industries, Inc.Inventors: Toshihiro Fujino, Haruyo Sato
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Publication number: 20040171836Abstract: An optical-active cis-piperidine derivative of high chemical purity and high optical purity is efficiently produced through optical resolution of a cis-piperidine derivative mixture, racemic cis-piperidine derivative with an optical-active tartaric acid derivative or an optical-active amino acid derivative. For the optical-active tartaric acid derivative, preferred are optical-active di(paratoluoyl)tartaric acid and optical-active di(4-methoxybenzoyl)tartaric acid; and for the optical-active amino acid derivative, preferred is optical-active N-benzenesulfonylphenylalanine.Type: ApplicationFiled: January 12, 2004Publication date: September 2, 2004Inventors: Toshihiro Fujino, Seiji Morii, Haruyo Sato
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Publication number: 20030130313Abstract: Disclosed are a method for producing racemic piperidine derivatives by processing optically-active piperidine derivatives in a hydrogen atmosphere in the presence of a reducing catalyst; and a method for producing optically-active piperidine derivatives or their acid salts by optically resolving the racemic piperidine derivatives obtained in the former method.Type: ApplicationFiled: December 13, 2002Publication date: July 10, 2003Inventors: Toshihiro Fujino, Haruyo Sato
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Patent number: 5952503Abstract: Optically-active 2-piperazinecarboxylic acid derivatives are produced through diastereomer salt resolution using optically-active acidic amino acid derivative as the resolving reagent. In this method, the recovery of the resolving reagent used is high, and the production efficiency to produce the optically-active products is high. As the optically-active acidic amino acid derivatives, usable are optically-active, N-acylated acidic amino acid derivatives and optically-active, N-sulfonylated acidic amino acid derivatives.Type: GrantFiled: August 26, 1998Date of Patent: September 14, 1999Assignee: Toray Industries, Inc.Inventors: Toshihiro Fujino, Haruyo Sato
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Patent number: 5640766Abstract: The present invention provides a wire for a press-connecting terminal which has a high flexibility, and achieves a high reliability for a connection portion at the time of press-connection, and also provides a method of producing a conductor of such a wire. The wire provides a stranded conductor and an insulator covering the conductor. Wire elements of the stranded conductor are concentrically twisted in layers in the same direction at the same pitch, and the stranded conductor is compressed into a circular cross-section in such a manner that a space factor of the cross-section of the conductor is not less than 99%. The present invention also provides a multi-layer compressed concentric stranded conductor which enables a uniform compression of a base stranded wire.Type: GrantFiled: May 16, 1995Date of Patent: June 24, 1997Assignee: Yazaki CorporationInventors: Toshihiro Fujino, Tamotsu Nishijima
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Patent number: 5451687Abstract: An industrial process for producing O,O'-diacyltartaric anhydride with high purity and high efficiency is disclosed. According to the process of the invention, a carboxylic acid of the formula (I):R.sup.1 COOH (I)(wherein R.sup.1 represents C.sub.1 -C.sub.4 alkyl group; phenyl group; or phenyl group substituted with 1-5 C.sub.1 -C.sub.4 alkyl groups or with 1-5 halogen atoms) is reacted with tartaric acid in the presence of a chlorinating agent.Type: GrantFiled: November 29, 1993Date of Patent: September 19, 1995Assignee: Toray Industries, Inc.Inventors: Haruyo Sato, Sakie Nakai, Toshihiro Fujino
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Patent number: 5449861Abstract: The present invention provides a wire for a press-connecting terminal which has a high flexibility, and achieves a high reliability for a connection portion at the time of press-connection, and also provides a method of producing a conductor of such a wire. The wire provides a stranded conductor and an insulator covering the conductor. Wire elements of the stranded conductor are concentrically twisted in layers in the same direction at the same pitch, and the stranded conductor is compressed into a circular cross-section in such a manner that a space factor of the cross-section of the conductor is not less than 99%. The present invention also provides a multi-layer compressed concentric stranded conductor which enables a uniform compression of a base stranded wire.Type: GrantFiled: February 24, 1994Date of Patent: September 12, 1995Assignee: Vazaki CorporationInventors: Toshihiro Fujino, Tamotsu Nishijima
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Patent number: 5250256Abstract: A high-tensile copper alloy for current conduction and having superior flexibility is disclosed. The hightensile copper alloy, in a first embodiment, is consisting essentially of: from 2.0 to 4.0% by weight of Ni; from 0.4 to 1.0% by weight of Si; from 0.05 to 0.3% by weight of In; from 0.05 to 0.3% by weight of Sn; and the balance of Cu. The high-tensile copper alloy, in a second embodiment, is consisting essentially of: from 2.0 to 4.0% by weight of Ni; from 0.4 to 1.0% by weight of Si; from 0.05 to 0.3% by weight of In; from 0.01 to 0.2% by weight of Co; and the balance of Cu. The high-tensile copper alloy, in a third embodiment, is consisting essentially of: from 2.0 to 4.0% by weight of Ni; from 0.4 to 1.0% by weight of Si; from 0.05 to 0.3% by weight of In; from 0.01 to 0.3% by weight of Mg; and the balance of Cu. The high-tensile copper alloy, in a fourth embodiment, is consisting essentially of: from 2.0 to 4.0% by weight of Ni; from 0.4 to 1.0% by weight of Si; from 0.05 to 0.Type: GrantFiled: April 14, 1992Date of Patent: October 5, 1993Assignee: Yazaki CorporationInventors: Yasusuke Ohashi, Tamotsu Nishijima, Toshihiro Fujino, Yasuhito Taki
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Patent number: 5147662Abstract: A twisted wire manufacturing apparatus is provided with cradle which is suspended at a pair of rotating shafts having extreme ends opposed to each other through bearings. A main body of the wire twisting machine is mounted on the cradle. A raw material guide and a twisted wire guide are mounted in respect to a pair of rotating shafts having axial insertion holes. A raw material capstan and the twisted wire take-up machine are mounted on the cradle. The raw wire material is guided through these devices. Another twisted wire manufacturing machine has a plurality of injection dies communicating with an annular groove formed in the rotary head. An annular shoe for gradually reducing a sectional area of the annular groove is slidably fitted to the annular groove. The raw material is supplied into the annular groove and the raw wires are injected from the injection dies. One injection die of a plurality of injection dies is provided with an adjustment for increasing an injection resistance of the raw wires.Type: GrantFiled: July 8, 1991Date of Patent: September 15, 1992Assignee: Yazaki CorporationInventors: Tamotsu Nishijima, Toshihiro Fujino
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Patent number: 5124124Abstract: A high-tensile copper alloy for current conduction and having superior flexibility is disclosed. The high-tensile copper alloy, in a first embodiment, is consisting essentially of: from 2.0 to 4.0% by weight of Ni; from 0.4 to 1.0% by weight of Si; from 0.05 to 0.3% by weight of In; from 0.05 to 0.3% by weight of Sn; and the balance of Cu. The high-tensile copper alloy, in a second embodiment, is consisting essentially of: from 2.0 to 4.0% by weight of Ni; from 0.4 to 1.0% by weight of Si; from 0.05 to 0.3% by weight of In; from 0.01 to 0.2% by weight of Co; and the balance of Cu. The high-tensile copper alloy, in a third embodiment, is consisting essentially of: from 2.0 to 4.0% by weight of Ni; from 0.4 to 1.0% by weight of Si; from 0.05 to 0.3% by weight of In; from 0.01 to 0.3% by weight of Mg; and the balance of Cu. The high-tensile copper alloy, in a fourth embodiment, is consisting essentially of: from 2.0 to 4.0% by weight of Ni; from 0.4 to 1.0% by weight of Si; from 0.05 to 0.Type: GrantFiled: May 22, 1991Date of Patent: June 23, 1992Assignee: Yazaki CorporationInventors: Yasusuke Ohashi, Tamotsu Nishijima, Toshihiro Fujino, Yasuhito Taki
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Patent number: 5118278Abstract: A twisted wire manufacturing apparatus is provided with a plurality of injection dies communicating with an annular groove formed in a rotary head. An annular shoe for gradually reducing a sectional area of the annular groove is slidably fitted to the annular groove. Raw material is supplied into the annular groove and raw wires are injected from the injection dies. One of the plurality of injection dies provides an increased injection resistance to reduce the injection speed of a core raw wire injected from that injection die relative to the injection speed of outer layer raw wires injected from other injection dies.Type: GrantFiled: May 4, 1990Date of Patent: June 2, 1992Assignee: Yazaki CorporationInventors: Tamotsu Nishijima, Toshihiro Fujino
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Patent number: 5071494Abstract: An aged copper alloy comprising:0.15-1.0 wt % Fe,0.05-0.3 wt % P, and0.05-0.3 wt % Mg and 0.05-0.3 wt % Pbwith the balance being essentially composed of Cu.Type: GrantFiled: January 22, 1991Date of Patent: December 10, 1991Assignee: Yazaki CorporationInventors: Yasusuke Ohashi, Toshihiro Fujino, Yasuhito Taki, Tamotsu Nishijima
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Patent number: 5024815Abstract: A copper alloy comprising:(A) 0.15-1.0 wt % Fe,(B) 0.05-0.3 wt % P, and(C)(1) 0.01-0.1 wt % Ni and 0.01-0.05 wt % Si or(2) 0.01-0.1 wt % Ni and 0.005-0.05 wt % b or(3) 0.05-0.3 wt % Mg and 0.05-0.3 wt % Pb or(4) 0.01-0.1 wt % Mn and 0.005-0.05 wt % Si,with the balance being essentially composed of Cu.Type: GrantFiled: May 24, 1989Date of Patent: June 18, 1991Assignee: Yazaki CorporationInventors: Yasusuke Ohashi, Toshihiro Fujino, Yasuhito Taki, Tamotsu Nishijima
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Patent number: 4870851Abstract: A novel apparatus for producing a stranded cable which is simplified in construction, easy to assemble and high in efficiency. The apparatus comprises a rotatable member having an annular groove formed in an outer periphery thereof, a plurality of dies disposed on a single circumferential line on an axial end face of the rotatable member, and an annular shoe having an outer periphery for engaging in the annular groove of the rotatable member. The annular shoe is supported for rotation in an eccentric relationship to the rotatable member such that the outer periphery of the annular shoe is partially engaged in the annular groove of the rotatable member to define therebetween a wire stock passageway having a varying sectional area.Type: GrantFiled: December 23, 1988Date of Patent: October 3, 1989Assignee: Yazaki CorporationInventors: Tamotsu Nishijima, Toshihiro Fujino