Patents by Inventor Takeshi Sekiguchi

Takeshi Sekiguchi 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).

  • Publication number: 20150037725
    Abstract: A yellow toner is provided which is superior in dispersibility of C. I. pigment yellow 185, has a high color development property, and is superior in light resistance. The yellow toner has toner particles containing at least a binder resin, a wax, and a colorant, wherein the yellow toner contains C.I.
    Type: Application
    Filed: March 6, 2013
    Publication date: February 5, 2015
    Inventors: Shosei Mori, Takeshi Sekiguchi, Taichi Shintou, Yuko Katsumoto, Takayuki Ujifusa, Takeshi Miyazaki
  • Publication number: 20150010865
    Abstract: An object of the present invention is to provide a pigment dispersion excellent in the dispersibility of C.I. Pigment yellow 185. The present invention provides a pigment dispersion wherein C.I.
    Type: Application
    Filed: February 27, 2013
    Publication date: January 8, 2015
    Inventors: Shosei Mori, Takeshi Sekiguchi, Taichi Shintou, Yuko Katsumoto, Takayuki Ujifusa, Takeshi Miyazaki
  • Publication number: 20150000859
    Abstract: A method of and an apparatus for controlling a molten metal surface in a mold that are effective to various disturbances are provided. The method and the apparatus for controlling a molten metal surface level in a mold according to the present invention perform the following operations of: measuring the molten metal surface level in the mold of a continuous-casting machine; changing a reference position of oscillation of the mold based on the difference between a molten metal surface setting value set in advance as a desired value of the molten metal surface and a measured value of the molten metal surface level; and making the reference position of oscillation follow molten metal surface fluctuations.
    Type: Application
    Filed: October 11, 2012
    Publication date: January 1, 2015
    Applicant: JP STEEL PLANTECH CO.
    Inventors: Takeshi Sekiguchi, Shigeo Nakamura
  • Publication number: 20140370207
    Abstract: The present invention provides a water-insoluble coloring compound having excellent light resistance, an ink containing the coloring compound, a thermal transfer recording sheet including a coloring material layer formed on a base material from the ink, and a color filter resist composition containing the ink.
    Type: Application
    Filed: January 16, 2013
    Publication date: December 18, 2014
    Applicant: Canon Kabushiki Kaisha
    Inventors: Takeshi Sekiguchi, Shosei Mori, Taichi Shintou, Yuko Katsumoto, Takayuki Ujifusa, Takeshi Miyazaki
  • Publication number: 20140349036
    Abstract: The present invention provides a water-insoluble coloring compound having a high solvent solubility, showing increased brightness and saturation, and being useful for increasing the green gamut and also provides an ink containing the water-insoluble coloring compound. The present invention provides a thermal transfer recording sheet including a coloring material layer formed on a base material from the ink and also provides a color filter resist composition showing an increased green gamut due to the ink.
    Type: Application
    Filed: January 16, 2013
    Publication date: November 27, 2014
    Inventors: Yuko Katsumoto, Shosei Mori, Takeshi Sekiguchi, Taichi Shintou, Takayuki Ujifusa, Takeshi Miyazaki
  • Publication number: 20140249900
    Abstract: An affiliate system according to the embodiment acquires an introduction request including information on a product or service that a user of a first terminal decides to introduce to a user of a second terminal among products or services purchased or used by the user of the first terminal, selects from among users of respective second terminals, the user of the second terminal who is associated with the user of the first terminal and who visits a purchase site or use site of the product or service specified in the introduction request, and notifies introduction information corresponding to the introduction request to the second terminal of the selected user. If the user of the second terminal purchases or uses the product or service on the basis of the introduction information, a reward is provided to the user of the first terminal.
    Type: Application
    Filed: February 10, 2014
    Publication date: September 4, 2014
    Applicant: YAHOO JAPAN CORPORATION
    Inventors: Hideo OZAWA, Takeshi SEKIGUCHI
  • Patent number: 8765270
    Abstract: Provided is an organic light emitting device having a long continuous driving lifetime. The organic light emitting device includes an anode, a cathode, and an organic compound layer which is sandwiched between the anode and the cathode, in which: one of the anode and the cathode is transparent or semi-transparent; and the organic compound layer contains at least one kind of triazine compound represented by the following general formula (1): ArT)n??(1) where n represents an integer of 1 or 2; Ar represents a fused polycyclic aromatic group which has three or more rings and may have a substituent; and T represents a triazine group represented by the following general formula (2): where R1 and R2 each represent a phenyl group or a phenyl group substituted by an alkyl group and may be identical to or different from each other.
    Type: Grant
    Filed: December 9, 2009
    Date of Patent: July 1, 2014
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takeshi Sekiguchi, Naoki Yamada, Hironobu Iwawaki, Tomona Yamaguchi
  • Publication number: 20140167028
    Abstract: The present invention provides a novel aminoindolo[3,2,1-jk]carbazole compound having a good film-forming property and provides an organic light-emitting device including the compound. Provided is the aminoindolo[3,2,1-jk]carbazole compound represented by Formula [1] according to Claim 1. In Formula [1], l represents an integer of 1 to 3; n and m each independently represent an integer of 0 to 2; and R1 to R32 represent hydrogen atom, alkyl groups having 1 to 8 carbon atoms or fluorine atoms, wherein the alkyl groups may contain fluorine atoms.
    Type: Application
    Filed: July 10, 2012
    Publication date: June 19, 2014
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Takeshi Sekiguchi, Hiroki Ohrui, Masanori Muratsubaki
  • Publication number: 20140170553
    Abstract: The present invention provides a yellow toner having high compatibility of a colorant with a binder resin, having good chroma, and being useful for broadening the green color gamut. The yellow toner contains the binder resin and the colorant, wherein the colorant contains a compound represented by the general formula (1).
    Type: Application
    Filed: February 18, 2014
    Publication date: June 19, 2014
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Shosei Mori, Takeshi Sekiguchi, Yuko Katsumoto, Taichi Shintou, Takayuki Ujifusa, Takeshi Miyazaki
  • Publication number: 20140163212
    Abstract: The present invention relates to a coloring matter compound that has high saturation and is excellent in light resistance.
    Type: Application
    Filed: February 13, 2014
    Publication date: June 12, 2014
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Takeshi Sekiguchi, Shosei Mori, Taichi Shintou, Takeshi Miyazaki
  • Publication number: 20140134531
    Abstract: A yellow toner is provided which is much more improved in color development and chroma, and much more improved in light resistance. The yellow toner contains, at least, a binder resin, a wax, and a coloring agent. The coloring agent is a compound represented by the following general formula (1).
    Type: Application
    Filed: January 23, 2014
    Publication date: May 15, 2014
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Shosei Mori, Takeshi Sekiguchi, Taichi Shintou, Takeshi Miyazaki
  • Patent number: 8628863
    Abstract: Provided is an organic light-emitting device having an optical output with high luminance and high color purity with extremely high efficiency. The organic light-emitting device includes an organic layer between the anode and the cathode, in which one of the anode and the cathode is a transparent electrode or a semi-transparent electrode and at least one layer of the organic layer contains at least one kind of indenopyrene compound having a specific structure.
    Type: Grant
    Filed: November 6, 2009
    Date of Patent: January 14, 2014
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takeshi Sekiguchi, Hiroshi Tanabe, Hiroki Ohrui, Masanori Seki
  • Publication number: 20130221340
    Abstract: Provided is an organic light emitting element having a high light emission efficiency and a low drive voltage. In the organic light emitting element including a positive electrode, a negative electrode and an organic compound layer disposed between the positive electrode and the negative electrode, the organic compound layer includes a thioxanthone compound represented by the following general formula [1].
    Type: Application
    Filed: October 31, 2011
    Publication date: August 29, 2013
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Jun Kamatani, Masanori Seki, Takeshi Sekiguchi, Yosuke Nishide, Akihito Saitoh
  • Publication number: 20130112965
    Abstract: The present invention provides an organic light-emitting device material that exhibits high emission efficiency and is used in an organic light-emitting device having a low driving voltage.
    Type: Application
    Filed: July 8, 2011
    Publication date: May 9, 2013
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Takeshi Sekiguchi, Akihito Saitoh, Jun Kamatani, Hirokazu Miyashita
  • Publication number: 20130001536
    Abstract: A novel organic compound which can be preferably used as a phosphorescent host material is provided. A benzoxazolyl carbazole compound represented by the general formula [1] shown in the specification is provided.
    Type: Application
    Filed: March 14, 2011
    Publication date: January 3, 2013
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Takeshi Sekiguchi, Koichi Suzuki, Hajime Muta, Ryuji Ishii
  • Publication number: 20130001537
    Abstract: The present invention provides a novel organic compound that is chemically stable and can be used as a host material for phosphorescence emission. The present invention provides a benzimidazolyl carbazole compound shown by Formula [1] described in the description.
    Type: Application
    Filed: March 14, 2011
    Publication date: January 3, 2013
    Inventors: Hajime Muta, Takeshi Sekiguchi, Ryuji Ishii, Koichi Suzuki
  • Publication number: 20120261251
    Abstract: A system for transporting red-hot coke including a non-rotary coke receiving car which travels on a first rail for receiving coke from at least one coke oven chamber; at least two rotary coke buckets, the at least two rotary coke buckets being mounted on a turntable, wherein the turntable is operable to orbit the at least two rotary coke buckets around its center, and the turntable travels along a second rail; one or two sets of discharge devices, each containing a discharge chute and a dust collector hood, which is operable to discharge the coke from the non-rotary coke receiving car to the at least two rotary coke buckets; and a hoist for hoisting and transporting the at least two rotary coke buckets to a coke dry quenching unit.
    Type: Application
    Filed: June 25, 2012
    Publication date: October 18, 2012
    Applicant: JP STEEL PLANTECH CO.
    Inventors: Shinsuke FUJITA, Takeshi Sekiguchi
  • Patent number: 8246283
    Abstract: Equipment and a method for transporting red-hot coke are provided, which do not need increase in size of a hoist, reinforcement of a CDQ system, and the like, even when the amount capacity of a coke bucket does not correspond to an amount equivalent to the coke amount from one oven chamber. In particular, transporting equipment for red-hot coke, includes: a non-rotary coke receiving car for receiving coke out of a coke oven; a coke bucket for receiving the coke discharged from the coke receiving car; a transporting device for transporting the coke bucket to a hoist position; and a hoist for transporting the coke bucket to a coke dry quenching system.
    Type: Grant
    Filed: April 28, 2006
    Date of Patent: August 21, 2012
    Assignee: JP Steel Plantech Co.
    Inventors: Shinsuke Fujita, Takeshi Sekiguchi
  • Patent number: 8173275
    Abstract: The invention provides an azaindenochrysene derivative, and an organic light-emitting device outputting light having high luminance and a long lifetime with high efficiency having an organic compound layer that includes the azaindenochrysene derivative.
    Type: Grant
    Filed: November 5, 2009
    Date of Patent: May 8, 2012
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hiroki Ohrui, Masanori Muratsubaki, Takeshi Sekiguchi, Akihito Saitoh
  • Publication number: 20120009049
    Abstract: To obtain a red hot coke receiving and conveying apparatus that can increase the volumetric efficiency of a conveying bucket and has a simple configuration. A red hot coke receiving and conveying apparatus 1 according to the present invention includes a red hot coke receiving apparatus 5, on which is placed a conveying bucket 3 that has a discharge gate open/close mechanism 31 on a lower portion, wherein red hot coke receiving apparatus 5 receives red hot coke from a coke oven by the conveying bucket, and a hoisting tower 7 which hoists the conveying bucket 3 to a coke dry quenching facility side. The red hot coke receiving apparatus 5 includes a main carriage 13 which travels along a rail 11 provided along the coke oven, a sub-carriage 17 which moves the conveying bucket between the main carriage 13 and the hoisting tower 7, and a rotary table 15 which is provided on the main carriage 13 for rotating the conveying bucket.
    Type: Application
    Filed: June 17, 2010
    Publication date: January 12, 2012
    Inventor: Takeshi Sekiguchi