Patents by Inventor Tsuyoshi Tominaga
Tsuyoshi Tominaga 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: 8183560Abstract: The present invention provides a light emitting device comprising at least an emissive layer existing between an anode and a cathode, which emits light by means of electric energy. The light emitting device contains a compound having a pyrromethene skeletal structure with a specific structure or a metal complex thereof and a naphthacene derivative, and thus the light emitting device has high luminance efficiency and excellent durability.Type: GrantFiled: October 15, 2007Date of Patent: May 22, 2012Assignee: TORAY Industries, Inc.Inventors: Takeshi Ikeda, Tsuyoshi Tominaga, Kazunori Sugimoto, Kazumasa Nagao
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Patent number: 8156890Abstract: A system for prevention of stirred up dross in continuous hot-dip plating bath of a metal sheet characterized by placing flow regulating members partially separated from each other under a sink roll at the two side wall surfaces of a hot-dip plating bath which axial ends of the sink roll face so that said members contact the wall surfaces and thereby suppressing the flow of hot dip metal ascending or descending along the wall surfaces.Type: GrantFiled: May 25, 2007Date of Patent: April 17, 2012Assignee: Nippon Steel CorporationInventors: Tatsuya Kuwana, Hirohisa Kawamura, Hiroyuki Tanaka, Tsuyoshi Tominaga
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Patent number: 8139557Abstract: A radio base-station apparatus with improved frame transmission efficiency by avoiding interference of preambles and frame control information between sectors of a cell or between cells with a frequency reuse factor. In the apparatus OFDMA multiple-access processing is performed for each of a plurality of sectors of a cell, and frames made of logical subchannel numbers and OFDMA symbol numbers are configured in synchronization respectively for the plurality of sectors, and offsets are added to the beginnings of given frames such that the preambles and frame control information arranged sequentially from the beginnings of the frames do not overlap on the OFDMA symbol numbers.Type: GrantFiled: September 30, 2005Date of Patent: March 20, 2012Assignee: Mitsubishi Electric CorporationInventors: Tsuyoshi Tominaga, Kunio Satou, Yasuhiro Ohnaka, Takeshi Fukunaga
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Patent number: 8120022Abstract: Disclosed is a light emitting device material characterized by containing a specific fluorine compound. This light emitting device material enables to obtain a light emitting device having high luminous efficiency, excellent color purity and excellent durability. Also disclosed is a light emitting device using such a light emitting device material.Type: GrantFiled: July 16, 2008Date of Patent: February 21, 2012Assignee: Toray Industries, Inc.Inventors: Kazunori Sugimoto, Tsuyoshi Tominaga
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Patent number: 8114529Abstract: The invention provides a light emitting device having a low driving voltage and excellent durability by a material for a light emitting device expressed by the general formula (1): wherein each of R1, R2, R3, R4, R5 and R6 may be the same or different and is selected from hydrogen, an alkyl group, and an aryl group, A represents an n-valent aromatic hydrocarbon group, B represents an alkyl group or an aryl group, X represents carbon or nitrogen, n represents a natural number from 2 to 6, and n substituents having a phenanthroline skeleton or a benzoquinoline skeleton may be the same or different.Type: GrantFiled: August 23, 2004Date of Patent: February 14, 2012Inventors: Daisuke Kitazawa, Tsuyoshi Tominaga, Mariko Sano, Takeshi Ishigaki, Kazunori Sugimoto
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Publication number: 20120001161Abstract: Disclosed is an organic electroluminescent element which has achieved both high luminous efficiency and low driving voltage by containing a light-emitting element material, which comprises a specific pyrene compound, in one of the layers that constitute the light-emitting element, preferably in a light-emitting layer or in an electron-transporting layer.Type: ApplicationFiled: March 25, 2010Publication date: January 5, 2012Applicant: TORAY INDUSTRIES, INC.Inventors: Yohei Nakano, Kazunori Sugimoto, Kazumasa Nagao, Daisaku Tanaka, Tsuyoshi Tominaga
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Patent number: 8084146Abstract: The present invention is a light emitting device material characterized by containing an anthracene compound represented by the following general formula (1), and the present invention allows a light emitting device having high luminous efficiency and excellent durability. (R1 to R10 are a hydrogen atom, alkyl group, cycloalkyl group, heterocyclic group or the like.Type: GrantFiled: May 19, 2005Date of Patent: December 27, 2011Assignee: Toray Industries, Inc.Inventors: Seiichiro Murase, Daisuke Kitazawa, Kazumasa Nagao, Kazunori Sugimoto, Tsuyoshi Tominaga
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Publication number: 20110272681Abstract: A light-emitting element has high luminous efficiency and excellent durability. The light-emitting element includes at least a light-emitting layer between a positive electrode and a negative electrode, and emits light by electrical energy. The light-emitting element is characterized by containing a naphthacene compound that has a specific structure and organic fluorescent substance that has a fluorescence peak wavelength of not less than 500 nm but not more than 690 nm.Type: ApplicationFiled: January 19, 2010Publication date: November 10, 2011Applicant: TORAY INDUSTRIES, INC.Inventors: Kazunori Sugimoto, Tsuyoshi Tominaga
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Patent number: 7989802Abstract: A light emitting device material comprises a pyrene compound represented by formula (1) below. Also disclosed is a light emitting device using such a material. (R1 to R17 may be the same or different and are each selected from the group consisting of hydrogen, an alkyl group, a cycloalkyl group, a heterocyclic group, an alkoxy group, an alkylthio group, an aryl ether group, an aryl thioether group, an aryl group, a heteroaryl group, an amino group, a silyl group, —P(?O)R18R19, and a ring structure formed together with an adjacent substituent; R18 and R19 are each selected from an aryl group and a heteroaryl group; n is an integer of 1 to 2; and X is selected from the group consisting of a single bond, an arylene group and a heteroarylene group, provided that at least one of R10 to R17 is used to link to X.Type: GrantFiled: February 28, 2008Date of Patent: August 2, 2011Assignee: Toray Industries, Inc.Inventors: Kazumasa Nagao, Tsuyoshi Tominaga
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Publication number: 20110121268Abstract: The present invention relates to an organic thin-film light emitting device containing an organic compound represented by formula (1) and a donor compound. the light emitting device ca achieve both of the low-voltage driving operation and high luminance efficiency. Y?A1-Ar)n1??(1) (Y represents either substituted or unsubstituted pyrene, or substituted or unsubstituted anthracene. A1 is selected from the group consisting of a single bond, an arylene group, and a hetero arylene group. Ar is selected from the group consisting of a carbazolyl group, a dibenzofuranyl group, and a dibenzothiophenyl group. These groups may be substituted or unsubstituted, and n1 is an integer of 1 to 3.Type: ApplicationFiled: June 26, 2009Publication date: May 26, 2011Inventors: Kazumasa Nagao, Takeshi Arai, Takeshi Ikeda, Tsuyoshi Tominaga, Daisaku Tanaka, Yasunori Ichihashi, Koji Ueoka
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Patent number: 7901794Abstract: The present invention is a light-emitting device material characterized by containing a pyrene compound represented by the following general formula (1): wherein R1 to R10 are specific functional groups, provided that at least one of the R1 to R10 is a substituent represented by the following general formula (2): wherein R11 to R14 are specific functional groups, provided that any one of the R11 to R14 is used for a single bond with a pyrene skeleton; X1 is a group represented by the following general formula (3): wherein R15 is a specific functional group; and Y1 to Y4 is selected from among a nitrogen atom and a carbon atom, provided that at least one of the Y1 to Y4 is a nitrogen atom and at least one thereof is a carbon atom, and no substituents exist on the nitrogen atom in the case of the nitrogen atom. This material provides a light-emitting device having high luminous efficiency and excellent durability.Type: GrantFiled: February 23, 2006Date of Patent: March 8, 2011Assignee: Toray Industries, Inc.Inventors: Kazunori Sugimoto, Seiichiro Murase, Daisuke Kitazawa, Kazumasa Nagao, Takafumi Ogawa, Tsuyoshi Tominaga
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Publication number: 20100264406Abstract: A light emitting device material containing a pyrromethene compound represented by the general formula (1). It realized a luminescent element having a high luminescent efficiency and excellent color purity. Also provided is a luminescent element employing the materials.Type: ApplicationFiled: October 28, 2008Publication date: October 21, 2010Applicant: TORAY INDUSTRIES, INC.Inventors: Kazumasa Nagao, Tsuyoshi Tominaga
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Publication number: 20100187520Abstract: Disclosed is a light emitting device material characterized by containing a specific fluorine compound. This light emitting device material enables to obtain a light emitting device having high luminous efficiency, excellent color purity and excellent durability. Also disclosed is a light emitting device using such a light emitting device material.Type: ApplicationFiled: July 16, 2008Publication date: July 29, 2010Applicant: Toray Industries, Inc.Inventors: Kazunori Sugimoto, Tsuyoshi Tominaga
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Publication number: 20100135424Abstract: A communication apparatus includes: a plurality of antennas; a pre-processing unit that, according to an instruction from a higher-level layer, performs processing on each zone generated by time-division of a transmission frame and generates a transmitting signal; and post-processing units that transmit the transmitting signal generated corresponding to each zone via one or more of the antennas. Each post-processing unit includes transmission of a preamble via each of the antennas. Thus, each post-processing unit transmits the preamble in a format that enables a receiving side to correctly determine AGC power control amount.Type: ApplicationFiled: March 10, 2008Publication date: June 3, 2010Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Tsutomu Usui, Fumio Ishizu, Yasushi Sogabe, Tsuyoshi Tominaga
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Publication number: 20100108992Abstract: The present invention provides a light emitting device comprising at least an emissive layer existing between an anode and a cathode, which emits light by means of electric energy. The light emitting device contains a compound having a pyrromethene skeletal structure with a specific structure or a metal complex thereof and a naphthacene derivative, and thus the light emitting device has high luminance efficiency and excellent durability.Type: ApplicationFiled: October 15, 2007Publication date: May 6, 2010Inventors: Takeshi Ikeda, Tsuyoshi Tominaga, Kazunori Sugimoto, Kazumasa Nagao
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Publication number: 20100038634Abstract: A light emitting device material comprises a pyrene compound represented by formula (1) below. Also disclosed is a light emitting device using such a material. (R1 to R17 may be the same or different and are each selected from the group consisting of hydrogen, an alkyl group, a cycloalkyl group, a heterocyclic group, an alkoxy group, an alkylthio group, an aryl ether group, an aryl thioether group, an aryl group, a heteroaryl group, an amino group, a silyl group, —P(?O)R18R19, and a ring structure formed together with an adjacent substituent; R18 and R19 are each selected from an aryl group and a heteroaryl group; n is an integer of 1 to 2; and X is selected from the group consisting of a single bond, an arylene group and a heteroarylene group, provided that at least one of R10 to R17 is used to link to X.Type: ApplicationFiled: February 28, 2008Publication date: February 18, 2010Applicant: Toray Industries, Inc.Inventors: Kazumasa Nagao, Tsuyoshi Tominaga
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Publication number: 20090183674Abstract: A system for prevention of stirred up dross in continuous hot-dip plating bath of a metal sheet characterized by placing flow regulating members partially separated from each other under a sink roll at the two side wall surfaces of a hot-dip plating bath which axial ends of the sink roll face so that said members contact the wall surfaces and thereby suppressing the flow of hot dip metal ascending or descending along the wall surfaces.Type: ApplicationFiled: May 25, 2007Publication date: July 23, 2009Inventors: Tatsuya Kuwana, Hirohisa Kawamura, Hiroyuki Tanaka, Tsuyoshi Tominaga
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Publication number: 20090066245Abstract: The present invention is a light-emitting device material characterized by containing a pyrene compound represented by the following general formula (1): wherein R1 to R10 are specific functional groups, provided that at least one of the R1 to R10 is a substituent represented by the following general formula (2): wherein R11 to R14 are specific functional groups, provided that any one of the R11 to R14 is used for a single bond with a pyrene skeleton; X1 is a group represented by the following general formula (3): wherein R15 is a specific functional group; and Y1 to Y4 is selected from among a nitrogen atom and a carbon atom, provided that at least one of the Y1 to Y4 is a nitrogen atom and at least one thereof is a carbon atom, and no substituents exist on the nitrogen atom in the case of the nitrogen atom. This material provides a light-emitting device having high luminous efficiency and excellent durability.Type: ApplicationFiled: February 23, 2006Publication date: March 12, 2009Applicant: TORAY INDUSTRIES, INC.Inventors: Kazunori Sugimoto, Seiichiro Murase, Daisuke Kitazawa, Kazumasa Nagao, Takafumi Ogawa, Tsuyoshi Tominaga
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Publication number: 20080253355Abstract: A radio base-station apparatus with improved frame transmission efficiency by avoiding interference of preambles and frame control information between sectors of a cell or between cells with a frequency reuse factor. In the apparatus OFDMA multiple-access processing is performed for each of a plurality of sectors of a cell, and frames made of logical subchannel numbers and OFDMA symbol numbers are configured in synchronization respectively for the plurality of sectors, and offsets are added to the beginnings of given frames such that the preambles and frame control information arranged sequentially from the beginnings of the frames do not overlap on the OFDMA symbol numbers.Type: ApplicationFiled: September 30, 2005Publication date: October 16, 2008Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Tsuyoshi Tominaga, Kunio Satou, Yasuhiro Ohnaka, Takeshi Fukunaga
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Patent number: 7318966Abstract: A light emitting device includes an emissive substance between an anode and cathode that emits light upon application of electrical energy. The emissive substance included in the device is at least one of the following types of compounds: (a) a compound having a plurality of 1,7-phenanthroline skeletal structures; (b) a benzoquinoline derivative; (c) a spiro compound; and (d) a tetraphenylmethane derivative.Type: GrantFiled: November 22, 2001Date of Patent: January 15, 2008Assignee: Toray Industries, Inc.Inventors: Tsuyoshi Tominaga, Daisuke Kitazawa, Aki Makiyama, Akira Kohama