Patents by Inventor Shigeru Sakamoto

Shigeru Sakamoto 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).

  • Patent number: 8765906
    Abstract: A water absorbent resin having less fine powder or powdery dust and a controlled particle size is provided, and the water absorption rate of the water absorbent resin is increased by a simple method at low cost, while maintaining or improving other physical properties such as liquid permeability.
    Type: Grant
    Filed: April 27, 2011
    Date of Patent: July 1, 2014
    Assignee: Nippon Shokubai, Co., Ltd.
    Inventors: Yusuke Watanabe, Kazushi Torii, Kozo Nogi, Kunihiko Ishizaki, Reiko Nakatsuru, Shigeru Sakamoto
  • Patent number: 8735646
    Abstract: An absorbent article that has a thin, conformable absorbent core where the core has at least two layers, both of which are substantially free of cellulosic fibers is described. The first layer is intended to provide storage for the majority of acquired fluids and has an AAP of at least about 20 g/g and the second layer, which provides temporary capacity for the bulk of the acquired fluid and permanent storage for at least a portion thereof, comprises a second absorbent polymer material which has a Wet Permeability of at least about 400×10?7 (cm3 seconds)/g a ratio of Wet Permeability to SFC of at least about 1.5:1 with respect to the first absorbent polymer material.
    Type: Grant
    Filed: March 28, 2005
    Date of Patent: May 27, 2014
    Assignee: The Procter & Gamble Company
    Inventors: Holger Beruda, Yasue Nakagawa, Mattias Schmidt, Hiroyuki Ikeuchi, Kazushi Torii, Shigeru Sakamoto, Taku Iwamura, Sayaka Machida
  • Patent number: 8717380
    Abstract: An image processing apparatus and its control method receives a drawing command including a moving image drawing command and a graphics drawing command and performs drawing processing. A drawing command is received, and the moving image drawing command is separated from the graphics drawing command. A graphics drawing unit obtains the result of graphics drawing in accordance with the graphics drawing command. A moving image drawing unit generates moving image data processed in accordance with the moving image drawing command. A composition unit composes the result of graphics drawing by the graphics drawing unit with the moving image data generated by the moving image drawing unit.
    Type: Grant
    Filed: June 17, 2009
    Date of Patent: May 6, 2014
    Assignee: Canon Kabushiki Kaisha
    Inventors: Shigeru Sakamoto, Satoru Mamiya, Jun Fujisawa, Shuichi Okamura, Shinya Takeichi, Atsushi Date, Takeshi Suzuki, Akihiro Takamura, Waki Murakami, Toru Nomakuchi
  • Patent number: 8633941
    Abstract: An image-processing apparatus is provided. The apparatus includes a determining unit determining a type of image data; a holding unit holding color value for the still images, and holding a ratio for the moving image for each moving image, an updating unit updating the color value and the ratio, and a display unit displaying composite image data. For each piece of image data to be drawn, the updating unit updates each ratio based on a transmittance of the image data, updates the color value and a transmittance of a still image when it is a still image, and updates the color value data based on a transmittance of a moving image, and causes the transmittance to be further held as a ratio of the moving image when it is a moving image. The display unit displays the composite image data using the color value and the ratio.
    Type: Grant
    Filed: April 27, 2009
    Date of Patent: January 21, 2014
    Assignee: Canon Kabushiki Kaisha
    Inventors: Asuka Wada, Toru Nomakuchi, Satoru Mamiya, Jun Fujisawa, Shinya Takeichi, Shuichi Okamura, Atsushi Date, Takeshi Suzuki, Akihiro Takamura, Waki Murakami, Shigeru Sakamoto
  • Patent number: 8501873
    Abstract: A homogeneously surface cross-linked water absorbent resin and a method for the production thereof are provided. The water absorbent material is formed of a surface cross-linked water absorbent resin resulting from granular irregularly pulverized shaped surface cross-linking the product of partial neutralization or whole neutralization of a water absorbent resin having acrylic acid or a metal salt thereof as a main component, which water absorbent material shows a metal atom concentration on the surface of the water absorbent material in the range of 0-10% within 0 second of polishing and 2-35% at 10 seconds value of polishing as determined by subjecting the water absorbent material to Ar ion discharge polishing under a voltage of 500 ?. The surface cross-linked water absorbent resin to be used herein can be produced by surface cross-linking a water absorbent resin having a specific particle diameter with a surface cross-linking agent having a water concentration in a specific range.
    Type: Grant
    Filed: August 31, 2005
    Date of Patent: August 6, 2013
    Assignee: Nippon Shokubai Co., Ltd.
    Inventors: Masazumi Sasabe, Kenji Kadonaga, Shigeru Sakamoto, Motohiro Imura, Tsunemasa Ueno, Hiroko Ueda, Yoshifumi Adachi
  • Publication number: 20130128273
    Abstract: An optical element (20) is formed by bonding the faces of first to fourth triangular prisms (21, 22, 23, 24) that form the apex angle, wherein bonding faces (21a, 22b) of the first and second triangular prisms, bonding faces (22a, 23b) of the second and third triangular prisms, bonding faces (23a, 24b) of the third and fourth triangular prisms, and bonding faces (24a, 21b) of the fourth and first triangular prisms are respectively bonded through an optical thin film. Each optical thin film allows the incident light to pass through, or reflects the incident light, depending on the polarization state. The optical element (20) splits an optical path at a first position of the optical thin film, and combines optical paths at a second position of the optical thin film.
    Type: Application
    Filed: February 25, 2011
    Publication date: May 23, 2013
    Applicants: HAMAMATSU PHOTONICS K.K., SIGMA KOKI CO., LTD.
    Inventors: Asami Inoue, Kazuya Hirata, Daisuke Ito, Koshi Haraguchi, Shigeru Sakamoto
  • Publication number: 20130102750
    Abstract: A water absorbent resin having less fine powder or powdery dust and a controlled particle size is provided, and the water absorption rate of the water absorbent resin is increased by a simple method at low cost, while maintaining or improving other physical properties such as liquid permeability.
    Type: Application
    Filed: April 27, 2011
    Publication date: April 25, 2013
    Applicant: NIPPON SHOKUBAI CO., LTD.
    Inventors: Yusuke Watanabe, Kazushi Torii, Kozo Nogi, Kunihiko Ishizaki, Reiko Nakatsuru, Shigeru Sakamoto
  • Publication number: 20130037708
    Abstract: Disclosed are a polyacrylate (salt) and a polyacrylate (salt) water-absorbent resin containing a tracer which can be verified back to the manufacturing process of the water-absorbent resin when dealing with various problems with the water-absorbent resin which can occur from the manufacturing process of the water-resistant resin, during the use thereof by a consumer, up until the disposal thereof. The disclosed polyacrylate (salt) and the polyacrylate (salt) water-absorbent resin have a carbon stable isotope ratio (?13C) of at least ?20% when measured by accelerator mass spectrometry.
    Type: Application
    Filed: April 26, 2011
    Publication date: February 14, 2013
    Applicant: NIPPON SHOKUBAI CO., LTD.
    Inventors: Satoshi Matsumoto, Yuki Miura, Kunihiko Ishizaki, Shigeru Sakamoto
  • Publication number: 20130026412
    Abstract: An object of the present invention is to provide a method for producing water absorbent resin powder in which permeability potential (SFC) is improved while a water absorbing rate (FSR) is being kept. The method is a method for producing water absorbent polyacrylic acid (salt) resin powder including the steps of: (i) polymerizing an acrylic acid (salt) monomer aqueous solution; (ii) during or after the step of (i), performing gel grinding of a hydrogel crosslinked polymer obtained by the polymerization, wherein the hydrogel crosslinked polymer has resin solid content of 10 wt % to 80 wt %, and the gel grinding is carried out with gel grinding energy (GGE) of 18 [J/g] to 60 [J/g]; (iii) drying a particulate hydrogel crosslinked polymer obtained by the gel grinding, wherein the drying is performed at 150° C. to 250° C.; and (iv) carrying out a surface treatment to the particulate hydrogel crosslinked polymer thus dried.
    Type: Application
    Filed: April 7, 2011
    Publication date: January 31, 2013
    Inventors: Sayaka Machida, Kazushi Torii, Yoko Shirai, Hiroyuki Ikeuchi, Shigeru Sakamoto, Koji Tachi, Reiko Nakatsuru
  • Patent number: 8361218
    Abstract: The present invention provides an image-recording/pixel-forming coloring composition containing a phthalocyanine type colorant having at least one group selected from alkyl and alkyloxy groups (alkylphthalocyanine type colorant). According to the present invention, there can also be provided a coloring composition containing a phthalocyanine type colorant capable of exhibiting excellent properties when used as an image-recording coloring composition or pixel-forming coloring composition, production processes of the phthalocyanine type colorants, a coloring method, and the like.
    Type: Grant
    Filed: May 5, 2010
    Date of Patent: January 29, 2013
    Assignee: Dainischiseika Color & Chemicals Mfg. Co., Ltd.
    Inventors: Atsushi Nogami, Toshiyasu Fujita, Masanori Takakamo, Shigeru Sakamoto, Michiei Nakamura
  • Publication number: 20120258851
    Abstract: A process according to the present invention for production of water-absorbable polyacrylic acid resin powder, including: (a) polymerizing an acrylic acid-based monomer aqueous solution containing bubbles, and (b) drying a hydrogel crosslinked polymer thus obtained in the step of polymerizing, further includes (c) lowering solubility of dissolved gas in a monomer aqueous solution in the presence of a surfactant and/or a dispersing agent, so as to generate the bubbles in the acrylic acid-based monomer aqueous solution. With this arrangement, it is possible to provide white water-absorbable resin with better water absorbing rate, keeping or without significantly losing the other properties (permeability potential, bulk specific gravity, surface tension, absorbency against pressure, impact resistance, etc.
    Type: Application
    Filed: December 23, 2010
    Publication date: October 11, 2012
    Applicant: NIPPON SHOKUBAI CO., LTD
    Inventors: Reiko Nakatsuru, Shigeru Sakamoto, Kazushi Torii, Toshihiro Takaai
  • Patent number: 8247491
    Abstract: There are disclosed a water-absorbent resin composition and its production process, wherein the water-absorbent resin composition causes little gel-blocking and is excellent in the liquid permeability and liquid diffusibility and is high also in the absorption performances and further is strong also against the physical damage; and there are further disclosed a water-absorbent resin composition and its production process, wherein the water-absorbent resin composition has the following further advantages, in addition to the above, of involving little segregation of the metal compound and further having a dust prevention effect.
    Type: Grant
    Filed: February 6, 2004
    Date of Patent: August 21, 2012
    Assignee: Nippon Shokubai Co., Ltd.
    Inventors: Kazushi Torii, Yoshiro Mitsukami, Motohiro Imura, Taku Iwamura, Toshimasa Kitayama, Kenji Kadonaga, Hiroki Inoue, Koji Miyake, Kozo Nogi, Masatoshi Nakamura, Shigeru Sakamoto, Sayaka Machida
  • Publication number: 20120110257
    Abstract: A virtual tape device being located between a host and a tape library and storing data as a virtual logical volume in a storage, has a calculator that calculates a time period in which a robot moves, from a cell to a drive device, the physical tape in accordance with an instruction when the instruction is issued to recall the target logical volume redundantly stored on the physical tapes stored in two or more cells included in different tape libraries or in the same tape library and to store the target logical volume, a calculator that calculates a time period for tape positioning, and a unit that calculates a time period on the basis of the time period in which the robot moves from the cell to the drive device and the time period for the tape positioning, and that selects a physical tape corresponding to the shortest time period.
    Type: Application
    Filed: September 22, 2011
    Publication date: May 3, 2012
    Applicant: FUJITSU LIMITED
    Inventors: Katsuo ENOHARA, Shigeru SAKAMOTO, Fumio MATSUO
  • Publication number: 20110313113
    Abstract: A production method of the present invention is a polyacrylic water-absorbent resin powder production method including the steps of: producing an acrylic monomer solution in which gas is dissolved and/or dispersed; polymerizing the acrylic monomer solution in the absence of a surface active agent or in the presence of not more than 300 ppm of a surface active agent; during or after the step of polymerizing, fragmenting a hydrated gel crosslinked polymer obtained by polymerizing the acrylic monomer solution; and drying by heat the hydrated gel crosslinked polymer thus fragmented, the gas being dissolved and/or dispersed in the acrylic monomer solution by at least one of the methods (a) to (c): (a) applying pressure to the acrylic monomer solution and the gas; (b) creating swirling flows of the acrylic monomer solution and the gas; and (c) introducing the gas with the acrylic monomer solution via fine holes.
    Type: Application
    Filed: February 17, 2010
    Publication date: December 22, 2011
    Applicant: NIPPON SHOKUBAI CO., LTD.
    Inventors: Shigeru Sakamoto, Yoshio Irie, Kozo Nogi, Kunihiko Ishizaki
  • Patent number: 8076530
    Abstract: An absorbent article comprising an absorbent core, which comprises a primary water-absorbing agent that can serve as a acquisition and preferably temporarily storage material for fluids, such as urine, and that has a CRC of up to 20 g/g and that comprises a compound that includes a constitutional unit derived from polyalkyleneglycol and that is other than an unsaturated monomer and that comprises a polyvalent metal salt. The absorbent article is preferably an infant (toddler, baby) diaper, including training pant, or adult incontinent article (e.g. a pad, diaper).
    Type: Grant
    Filed: November 26, 2008
    Date of Patent: December 13, 2011
    Assignee: The Procter & Gamble Company
    Inventors: Juliane Kamphus, Hiroyuki Ikeuchi, Shigeru Sakamoto, Sayaka Machida
  • Publication number: 20110222289
    Abstract: An optical element 20A which is composed of a light transmission characteristic medium, that has a refractive index higher than a refractive index of air, the optical element causes an incident laser beam to be propagated inside while reflecting the laser beam by a wall surface 20a a plurality of times, the optical element includes an incident window 21 which is located in a part of the wall surface 20a, that is for allowing the laser beam to be incident, an emitting window 22 which is located in a part of the wall surface 20a, that is for allowing the laser beam propagated inside to be emit, and wavelength dispersion compensating units 31 and 32 which are integrally located in parts of the medium, the wavelength dispersion compensating units compensate for wavelength dispersion by causing the laser beam to be transmitted or reflected at least twice.
    Type: Application
    Filed: September 14, 2009
    Publication date: September 15, 2011
    Applicant: National Institute of Advanced Industrial Science and Technology
    Inventors: Koei Yamamoto, Yoichi Kawada, Shingo Oishi, Toshiharu Moriguchi, Shigeru Sakamoto, Haruyasu Ito, Masatoshi Fujimoto, Hironori Takahashi, Kenshi Fukumitsu, Katsumi Shibayama, Shinichiro Aoshima, Atsuko Aoshima
  • Patent number: 8009318
    Abstract: A print server which functions as an image processing device extracts the reusable data of each object to be used on multiple pages within the file and prepares the form data by synthesizing the extracted reusable data. The print server prepares page data to be used for printing by synthesizing the prepared form data and the data of each object that is not contained in the form data.
    Type: Grant
    Filed: October 25, 2005
    Date of Patent: August 30, 2011
    Assignee: Konica Minolta Business Technologies, Inc.
    Inventor: Shigeru Sakamoto
  • Patent number: 7981833
    Abstract: An object of the present invention is to provide an aqueous-liquid-absorbing agent which comprises water-absorbent resin particles as essential components and is suitable for uses in sanitary materials. As a means of achieving this object, an aqueous-liquid-absorbing agent according to the present invention is an aqueous-liquid-absorbing agent comprising water-absorbent resin particles as essential components, wherein the water-absorbent resin particles are obtained by a process including the step of polymerizing a water-soluble ethylenically unsaturated monomer and have a crosslinked structure in their inside; with the aqueous-liquid-absorbing agent exhibiting an absorption rate (FSR) of not less than 0.2 g/g/s, a water absorption capacity (CRC) of 5 to 25 g/g, a saline flow conductivity (SFC) of not less than 400×10?7 cm3·s/g, and a wet porosity of not less than 20%.
    Type: Grant
    Filed: March 11, 2005
    Date of Patent: July 19, 2011
    Assignee: Nippon Shokubai Co., Ltd.
    Inventors: Hiroyuki Ikeuchi, Kazushi Torii, Shigeru Sakamoto, Taku Iwamura, Sayaka Machida
  • Publication number: 20110141508
    Abstract: A variable printing control apparatus for creating an image data to be printed, using variable printing data containing a plurality of page data in which one of a plurality of parts is arranged in one page, the variable printing control apparatus being configured to implement: a first processing method for rasterizing the plurality of page data, extracting the plurality of parts from each of pieces of raster data, and superimposing the plurality of parts of raster data to create the image data; and a second processing method for converting the plurality of page data into PDL data, extracting the plurality of parts from each of pieces of PDL data, superimposing the plurality of parts of PDL data, and rasterizing the superimposed PDL data to create the image data.
    Type: Application
    Filed: December 3, 2010
    Publication date: June 16, 2011
    Applicant: Konica Minolta Business Technologies, Inc.
    Inventors: Akira Inoue, Shigeru Sakamoto, Hideyuki Yamazaki
  • Publication number: 20110032634
    Abstract: A control method for information processing apparatus includes is provided. The control method includes receiving a lock instruction, locking a library device into a locked state at which insertion, removal and replacement of a medium in the library device is inhibited and/or prevented in response to the lock instruction, generating a map that indicates one or more media in the library device and a position of each of the media, receiving a power-off instruction, and powering off the library device while maintaining the library device in the locked state in response to the power-off instruction.
    Type: Application
    Filed: August 5, 2010
    Publication date: February 10, 2011
    Applicant: FUJITSU LIMITED
    Inventors: Shigeru SAKAMOTO, Katsuo Enohara