Patents by Inventor Takeshi Kubota

Takeshi Kubota 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: 20160325316
    Abstract: A wiper is made up of an attachment member to be attached to a machine tool, a wiper body formed integrally with the attachment member, a bent-shaped lip support part made of an elastic material and disposed at a lower end of the wiper body, and a lip part connected to the wiper body with the lip support part interposed therebetween. A lip front end portion of the lip part, a tip of which comes into contact with a sliding surface of the machine tool, is made of an elastic material containing an additive material for reinforcement.
    Type: Application
    Filed: December 25, 2014
    Publication date: November 10, 2016
    Applicant: NITTA CORPORATION
    Inventors: Tomohisa SHIMADA, Yoshihiro KONISHI, Takeshi KUBOTA, Yoshiyuki YAMAMOTO, Yukio TERAGUCHI
  • Publication number: 20160035469
    Abstract: A manufacturing method of a non-oriented electrical steel sheet includes: performing finish annealing of a cold-rolled steel strip; and forming a tension-applying type insulating film of not less than 1 g/m2 and not more than 6 g/m2 on a surface of the cold-rolled steel strip. The performing the finish annealing includes forming an oxide layer containing Al2O3 or (Al, Cr)2O3 and having a thickness of not less than 0.01 ?m and not more than 0.5 ?m on the surface of the cold-rolled steel strip with setting a temperature of the cold-rolled steel strip to not lower than 800° C. and not higher than 1100° C. in an atmosphere where when the total content of Si and Al of the cold-rolled steel strip is represented as X (mass %), a partial pressure ratio of water vapor to hydrogen is equal to or less than 0.005×X2.
    Type: Application
    Filed: October 15, 2015
    Publication date: February 4, 2016
    Inventors: Shuichi Yamazaki, Takeshi Kubota, Yousuke Kurosaki, Masahiro Fujikura, Takahide Shimazu
  • Patent number: 9187830
    Abstract: A non-oriented electrical steel sheet includes: a base iron (1); and a tension applying type insulating film (2) of not less than 1 g/m2 nor more than 6 g/m2 on a surface of the base iron (1). An oxide layer (3) containing at least one type of oxide selected from the group consisting of Si, Al, and Cr and having a thickness of not less than 0.01 ?m nor more than 0.5 ?m is formed on the surface of the base iron (1).
    Type: Grant
    Filed: February 15, 2011
    Date of Patent: November 17, 2015
    Assignee: NIPPON STEEL & SUMITOMO METAL CORPORATION
    Inventors: Shuichi Yamazaki, Takeshi Kubota, Yousuke Kurosaki, Masahiro Fujikura, Takahide Shimazu
  • Publication number: 20150279531
    Abstract: A non-oriented electrical steel sheet comprising, Si: not less than 1.0 mass % nor more than 3.5 mass %, Al: not less than 0.1 mass % nor more than 3.0 mass %, Ti: not less than 0.001 mass % nor more than 0.01 mass %, Bi: not less than 0.001 mass % nor more than 0.01 mass %, wherein Expression (1) is satisfied when a Ti content (mass %) is represented as [Ti] and a Bi content (mass %) is represented as [Bi]: [Ti]?0.8×[Bi]+0.002 . . . (1).
    Type: Application
    Filed: June 16, 2015
    Publication date: October 1, 2015
    Applicant: NIPPON STEEL & SUMITOMO METAL CORPORATION
    Inventors: Masafumi MIYAZAKI, Hideaki YAMAMURA, Takeshi KUBOTA, Yousuke KUROSAKI, Kazuto KAWAKAMI, Kazumi MIZUKAMI, Takeaki WAKISAKA
  • Patent number: 9085817
    Abstract: In a non-oriented electrical steel sheet, Si: not less than 1.0 mass % nor more than 3.5 mass %, Al: not less than 0.1 mass % nor more than 3.0 mass %, Ti: not less than 0.001 mass % nor more than 0.01 mass %, Bi: not less than 0.001 mass % nor more than 0.01 mass %, and so on are contained. (1) expression described below is satisfied when a Ti content (mass %) is represented as [Ti] and a Bi content (mass %) is represented as [Bi]. [Ti]?0.8×[Bi]+0.
    Type: Grant
    Filed: May 25, 2010
    Date of Patent: July 21, 2015
    Assignee: NIPPON STEEL & SUMITOMO METAL CORPORATION
    Inventors: Masafumi Miyazaki, Hideaki Yamamura, Takeshi Kubota, Yousuke Kurosaki, Kazuto Kawakami, Kazumi Mizukami, Takeaki Wakisaka
  • Patent number: 8934794
    Abstract: A developer stirring unit is rotated and driven without driving an electrophotographic photosensitive drum according to output information of a temperature detection unit of an image forming apparatus during a non-image formation period, thereby cooling a developer near a developing roller.
    Type: Grant
    Filed: March 29, 2012
    Date of Patent: January 13, 2015
    Assignee: Canon Kabushiki Kaisha
    Inventor: Takeshi Kubota
  • Publication number: 20140245956
    Abstract: A masking portion (recessed portion) 20 is provided at the center of a rear surface of a carbonaceous substrate 10. The masking portion 20 includes a first bore portion 20a and a second bore portion 20b. The first bore portion 20a has an inner wall in which a female screw portion 21 is formed. A male screw portion 7a of a masking jig 7 is screw-fitted to the female screw portion 21. The masking jig 7 is fixed to a film forming jig 2. The carbonaceous substrate is thus supported in a standing posture, and the carbonaceous substrate is provided, on a surface, with a firm such as a SiC film or a TaC film except for the recessed portion by introducing gas into the apparatus in this supported state.
    Type: Application
    Filed: October 12, 2012
    Publication date: September 4, 2014
    Applicant: TOYO TANSO CO., LTD.
    Inventors: Masaaki Kita, Takeshi Kubota, Hiroyuki Hirano
  • Patent number: 8742758
    Abstract: A magnetic resonance imaging apparatus includes a plurality of coil elements for receiving magnetic resonance signals of a subject in a plurality of selectable combinations. The magnetic resonance imaging apparatus also includes a sensitive region storage device for storing respective sensitive regions for the combinations of the coil elements, a setting device for setting scan regions, a calculation device for calculating a scan volume rate indicating each of proportions of overlap regions between the scan regions and the sensitive regions to the scan regions, and a sensitivity volume rate indicating each of proportions of the overlap regions to the sensitive regions, and a selection device for selecting each combination of the coil elements used to receive the magnetic resonance signals of the subject, out of the combinations of the coil elements, based on the scan volume rate and the sensitivity volume rate.
    Type: Grant
    Filed: November 23, 2010
    Date of Patent: June 3, 2014
    Assignee: GE Medical Systems Global Technology Company, LLC
    Inventors: Miho Nagasawa, Yoshihiro Oda, Antoine Choppin, Takeshi Kubota
  • Publication number: 20140041769
    Abstract: A non-oriented electrical steel sheet contains 2.8 mass % or more and 4.0 mass % or less of Si, 0.2 mass % or more and 3.0 mass % or less of Al, and 0.02 mass % or more and 0.2 mass % or less of P. The non-oriented electrical steel sheet contains further contains 0.5 mass % or more in total of at least one kinds selected from a group consisting of 4.0 mass % or less of Ni and 2.0 mass % or less of Mn. A C content is 0.05 mass % or less, a N content is 0.01 mass % or less, an average grain diameter is 15 ?m or less, and a <111> axial density is 6 or larger.
    Type: Application
    Filed: October 11, 2013
    Publication date: February 13, 2014
    Applicant: NIPPON STEEL & SUMITOMO METAL CORPORATION
    Inventor: Takeshi KUBOTA
  • Patent number: 8648971
    Abstract: In a multiple view liquid crystal display, occurrence of a reverse view phenomenon and a reverse view crosstalk are suppressed. A black matrix is formed on the opposed surface of a counter substrate to a TFT substrate in a liquid crystal panel, and a parallax barrier is provided on the black matrix with a gap layer having a predetermined thickness interposed therebetween. The black matrix includes a first light blocking part disposed immediately below an opening in the parallax barrier, and a second light blocking part with a portion immediate thereabove covered by the parallax barrier. The second light blocking part includes a low refractive-index film (reverse view preventive film), having a lower refractive index than that of a liquid crystal, at the end thereof which is in contact with a pixel opening between the second light blocking part and the adjacent first light blocking part.
    Type: Grant
    Filed: July 16, 2012
    Date of Patent: February 11, 2014
    Assignee: Mitsubishi Electric Corporation
    Inventors: Yoshimitsu Ishikawa, Takeshi Kubota
  • Patent number: 8570041
    Abstract: A magnetic resonance imaging apparatus executes a calibration scan for acquiring calibration data used to correct image data of a subject and an imaging scan for acquiring the image data of the subject and receives magnetic resonance signals using combinations of coil elements selected out of a plurality of coil elements. The magnetic resonance imaging apparatus includes a calibration scan condition determining device for determining a scan condition for the calibration scan, based on a first scan range of the subject taken when the imaging scan is executed and a first combination of coil elements used to receive magnetic resonance signals in the first scan range.
    Type: Grant
    Filed: November 19, 2010
    Date of Patent: October 29, 2013
    Assignee: GE Medical Systems Global Technology Company, LLC
    Inventors: Takeshi Kubota, Mitsuhiro Bekku, Osamu Takayama, Miho Nagasawa
  • Patent number: 8557058
    Abstract: The invention provides a non-oriented electrical steel sheet excellent in yield strength for use as an iron core material for high rpm motors that does not sacrifice yield or productivity in motor core punching or steel sheet production, which non-oriented electrical steel sheet is given a chemical composition of, in mass %, C: 0.01 to 0.05%, Si: 2.0 to 4.0%, Mn: 0.05 to 0.5%, Al: 3.0% or less and Nb: 0.01 to 0.05%, and optionally Ni at a preferable content of more than 0.5% and less than 3.0%, the balance being Fe and unavoidable impurities, Mn and C contents expressed in mass % are made to satisfy Mn?0.6-10×C, recrystallized portion area fraction is made 50% or greater, yield strength in tensile testing is made 650 MPa or greater, and average-grain diameter viewed in steel sheet cross-section is made 40 ?m or less, and electrical steel sheet production is conducted using a hot-rolled sheet whose transition temperature in impact testing is 70° C. or less.
    Type: Grant
    Filed: June 15, 2007
    Date of Patent: October 15, 2013
    Assignee: Nippon Steel & Sumitomo Metal Corporation
    Inventors: Yoshihiro Arita, Hidekuni Murakami, Yutaka Matsumoto, Saori Haranaka, Takeshi Kubota
  • Publication number: 20130125601
    Abstract: A steel having a predetermined composition is hot-rolled so as to form a steel strip, the steel strip is subjected to first cold-rolling, the steel strip is subjected to intermediate annealing, the steel strip is subjected to second cold-rolling, and the steel strip is subjected to finish annealing. A finish temperature in the hot-rolling is 900° C. or less, annealing is not performed between the hot-rolling and the first cold-rolling, and a rolling reduction in the second cold-rolling is not less than 40% nor more than 85%.
    Type: Application
    Filed: July 29, 2011
    Publication date: May 23, 2013
    Applicant: NIPPON STEEL & SUMITOMO METAL CORPORATION
    Inventors: Takeshi Kubota, Masahiro Fujikura
  • Publication number: 20130070188
    Abstract: In a multiple view liquid crystal display, occurrence of a reverse view phenomenon and a reverse view crosstalk are suppressed. A black matrix is formed on the opposed surface of a counter substrate to a TFT substrate in a liquid crystal panel, and a parallax barrier is provided on the black matrix with a gap layer having a predetermined thickness interposed therebetween. The black matrix includes a first light blocking part disposed immediately below an opening in the parallax barrier, and a second light blocking part with a portion immediate thereabove covered by the parallax barrier. The second light blocking part includes a low refractive-index film (reverse view preventive film), having a lower refractive index than that of a liquid crystal, at the end thereof which is in contact with a pixel opening between the second light blocking part and the adjacent first light blocking part.
    Type: Application
    Filed: July 16, 2012
    Publication date: March 21, 2013
    Applicant: Mitsubishi Electric Corporation
    Inventors: Yoshimitsu ISHIKAWA, Takeshi Kubota
  • Patent number: 8383792
    Abstract: The present invention provides, for example, a labeling substance that allows the double helix structure of a nucleic acid to be detected effectively. The present invention provides a compound having a structure derived from mononucleoside or mononucleotide, with the structure being represented by the following formula (1), (1b), or (1c), a tautomer or stereoisomer thereof, or a salt thereof. In the above formulae, B is an atomic group having a nucleobase skeleton, E is an atomic group having a deoxyribose skeleton, a ribose skeleton, or a structure derived from either one of them, or an atomic group having a peptide structure or a peptoid structure, and Z11 and Z12 each are a hydrogen atom, a protecting group, or an atomic group that exhibits fluorescence and may be identical to or different from each other.
    Type: Grant
    Filed: March 6, 2008
    Date of Patent: February 26, 2013
    Assignee: Riken
    Inventors: Akimitsu Okamoto, Shuji Ikeda, Takeshi Kubota
  • Publication number: 20120305140
    Abstract: A non-oriented electrical steel sheet includes: a base iron (1); and a tension applying type insulating film (2) of not less than 1 g/m2 nor more than 6 g/m2 on a surface of the base iron (1). An oxide layer (3) containing at least one type of oxide selected from the group consisting of Si, Al, and Cr and having a thickness of not less than 0.01 ?m nor more than 0.5 ?m is formed on the surface of the base iron (1).
    Type: Application
    Filed: February 15, 2011
    Publication date: December 6, 2012
    Inventors: Shuichi Yamazaki, Takeshi Kubota, Yousuke Kurosaki, Masahiro Fujikura, Takahide Shimazu
  • Publication number: 20120251140
    Abstract: A developer stirring unit is rotated and driven without driving an electrophotographic photosensitive drum according to output information of a temperature detection unit of an image forming apparatus during a non-image formation period, thereby cooling a developer near a developing roller.
    Type: Application
    Filed: March 29, 2012
    Publication date: October 4, 2012
    Applicant: CANON KABUSHIKI KAISHA
    Inventor: Takeshi Kubota
  • Publication number: 20120156086
    Abstract: A non-oriented electrical steel sheet contains 2.8 mass % or more and 4.0 mass % or less of Si, 0.2 mass % or more and 3.0 mass % or less of Al, and 0.02 mass % or more and 0.2 mass % or less of P. The non-oriented electrical steel sheet contains further contains 0.5 mass % or more in total of at least one kinds selected from a group consisting of 4.0 mass % or less of Ni and 2.0 mass % or less of Mn. A C content is 0.05 mass % or less, a N content is 0.01 mass % or less, an average grain diameter is 15 ?m or less, and a <111> axial density is 6 or larger.
    Type: Application
    Filed: August 25, 2010
    Publication date: June 21, 2012
    Inventor: Takeshi Kubota
  • Publication number: 20120070187
    Abstract: A cartridge detachably mountable to a main assembly of an image forming apparatus includes a process member including a shaft acting on an image bearing member; a bearing member for supporting the process member; and a frame including a supporting portion for movably supporting the bearing member. The bearing member is movable, by moving the supporting portion, between a first position in which the process member acts on the image bearing member and a second position which is remote from the image bearing member more than the first position. The cartridge further includes an urging member for urging the bearing member from the second position toward the first position; a suppressing portion for suppressing dismounting of the bearing member, urged by the urging member, from the supporting portion; and a dismounting portion for permitting dismounting of the bearing member from the frame at the second position.
    Type: Application
    Filed: September 14, 2011
    Publication date: March 22, 2012
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Toshiaki Takeuchi, Takeshi Kubota, Junichi Matsumura, Nobuyoshi Hara
  • Patent number: 8137789
    Abstract: There are provided a composition for matte layer formation suitable for the production of a matte synthetic leather having a matte surface with a high level of jet-blackness even without the practice of embossing, raising, etc., and a release sheet for the production of a matte synthetic leather by using the composition. The composition for matte layer formation suitable for the production of a matte synthetic leather comprises a thermosetting resin and a matting agent as indispensable components. The matting agent comprises one or at least two types of organic or/and inorganic porous fine particles. The porous fine particles have a mean particle diameter in the range of 0.5 to 20 ?m and a specific surface area in the range of 1 to 1000 m2/g. The release sheet is produced by using the composition.
    Type: Grant
    Filed: September 13, 2006
    Date of Patent: March 20, 2012
    Assignee: Dai Nippon Printing Co., Ltd.
    Inventors: Kenichiro Suto, Yoshiki Kawagoe, Hiroshi Watanabe, Takeshi Kubota, Koichiro Matsudaira