Patents by Inventor Masaru Sugiura

Masaru Sugiura 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: 11993849
    Abstract: According to one embodiment, there is provided a carbon hard mask laminated on an etching target film, in which the concentration ratio of a methylene group CH2 and a methyl group CH3 contained in the carbon hard mask satisfies the expression CH2/(CH2+CH3)?0.5.
    Type: Grant
    Filed: December 4, 2019
    Date of Patent: May 28, 2024
    Assignees: TOKYO ELECTRON LIMITED, National University Corporation Tokai National Higher Education and Research System
    Inventors: Masaru Hori, Makoto Sekine, Hirotsugu Sugiura, Tsuyoshi Moriya, Satoshi Tanaka, Yoshinori Morisada
  • Patent number: 9791796
    Abstract: The present invention relates to a polyester resin which comprises a constituent unit represented by general formula (1), a constituent unit derived from a compound having a bisphenol skeleton and a constituent unit derived from a polyvalent carboxylic acid, and wherein the constituent unit derived from a compound having a bisphenol skeleton is contained in an amount of 20 parts by mole or more per 100 parts by mole of the constituent unit derived from a polyvalent carboxylic acid. The present invention is able to provide a polyester resin which has excellent solubility in a solvent and excellent pulverization properties, and which provides a toner having excellent storage stability.
    Type: Grant
    Filed: December 24, 2013
    Date of Patent: October 17, 2017
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Tadahiro Ozawa, Masaru Sugiura, Ryuichi Ansai, Satoshi Sakuma
  • Publication number: 20160370723
    Abstract: The present invention relates to a polyester resin which comprises a constituent unit represented by general formula (1), a constituent unit derived from a compound having a bisphenol skeleton and a constituent unit derived from a polyvalent carboxylic acid, and wherein the constituent unit derived from a compound having a bisphenol skeleton is contained in an amount of 20 parts by mole or more per 100 parts by mole of the constituent unit derived from a polyvalent carboxylic acid. The present invention is able to provide a polyester resin which has excellent solubility in a solvent and excellent pulverization properties, and which provides a toner having excellent storage stability.
    Type: Application
    Filed: December 24, 2013
    Publication date: December 22, 2016
    Applicant: Mitsubishi Rayon Co., Ltd.
    Inventors: Tadahiro OZAWA, Masaru SUGIURA, Ryuichi ANSAI, Satoshi SAKUMA
  • Patent number: 9434813
    Abstract: The invention relates to a polyester resin for toner, the polyester resin containing a monomer unit derived from isosorbide and a monomer unit derived from 1,2-propanediol, in which the proportion of the monomer unit derived from isosorbide is from 2 to 11% by mass with respect to the total mass of the polyester resin, and a glass transition temperature (Tg) of the polyester resin for toner is from 56 to 70° C. According to the invention, it is possible to provide a polyester resin for toner from which toner excellent in storage stability, fixing property, hot offset resistance and image stability in the case of using isosorbide is obtained, and a method for producing the polyester resin for toner. In addition, the toner obtained from the polyester resin for toner of the invention is excellent in storage stability, fixing property, hot offset resistance and image stability in the case of using isosorbide.
    Type: Grant
    Filed: December 6, 2013
    Date of Patent: September 6, 2016
    Assignee: Mitsubishi Rayon Co., Ltd.
    Inventors: Yoko Tamura, Masaru Sugiura
  • Patent number: 9394400
    Abstract: The invention relates to a polyester resin for toner, the polyester resin containing a monomer unit derived from isosorbide and a monomer unit derived from 1,2-propanediol, in which the proportion of the monomer unit derived from isosorbide is from 2 to 11% by mass with respect to the total mass of the polyester resin, and a glass transition temperature (Tg) of the polyester resin for toner is from 56 to 70° C. According to the invention, it is possible to provide a polyester resin for toner from which toner excellent in storage stability, fixing property, hot offset resistance and image stability in the case of using isosorbide is obtained, and a method for producing the polyester resin for toner. In addition, the toner obtained from the polyester resin for toner of the invention is excellent in storage stability, fixing property, hot offset resistance and image stability in the case of using isosorbide.
    Type: Grant
    Filed: December 6, 2013
    Date of Patent: July 19, 2016
    Assignee: Mitsubishi Rayon Co., Ltd.
    Inventors: Yoko Tamura, Masaru Sugiura
  • Patent number: 9290615
    Abstract: This toner polyester resin contains 5-30 mass % of a constitutional unit derived from isosorbide, and has a storage elastic modulus (G?) at 180° C. of 400-1,000 Pa. This method for producing the toner polyester resin involves polycondensing a mixture containing 5-30 mass % of isosorbide and a polycarboxylic acid at 230° C. or lower, and completing a polycondensation reaction at a softening temperature in the range of 135-150° C.
    Type: Grant
    Filed: June 11, 2013
    Date of Patent: March 22, 2016
    Assignee: Mitsubishi Rayon Co., Ltd.
    Inventors: Yoko Tamura, Masaru Sugiura
  • Publication number: 20150291730
    Abstract: The invention relates to a polyester resin for toner, the polyester resin containing a monomer unit derived from isosorbide and a monomer unit derived from 1,2-propanediol, in which the proportion of the monomer unit derived from isosorbide is from 2 to 11% by mass with respect to the total mass of the polyester resin, and a glass transition temperature (Tg) of the polyester resin for toner is from 56 to 70° C. According to the invention, it is possible to provide a polyester resin for toner from which toner excellent in storage stability, fixing property, hot offset resistance and image stability in the case of using isosorbide is obtained, and a method for producing the polyester resin for toner. In addition, the toner obtained from the polyester resin for toner of the invention is excellent in storage stability, fixing property, hot offset resistance and image stability in the case of using isosorbide.
    Type: Application
    Filed: December 6, 2013
    Publication date: October 15, 2015
    Applicant: MITSUBISHI RAYON CO., LTD.
    Inventors: Yoko TAMURA, Masaru SUGIURA
  • Publication number: 20150152219
    Abstract: This toner polyester resin contains 5-30 mass % of a constitutional unit derived from isosorbide, and has a storage elastic modulus (G?) at 180° C. of 400-1,000 Pa. This method for producing the toner polyester resin involves polycondensing a mixture containing 5-30 mass % of isosorbide and a polycarboxylic acid at 230° C. or lower, and completing a polycondensation reaction at a softening temperature in the range of 135-150° C.
    Type: Application
    Filed: June 11, 2013
    Publication date: June 4, 2015
    Applicant: Mitsubishi Rayon Co.,Ltd.
    Inventors: Yoko Tamura, Masaru Sugiura
  • Patent number: 8954668
    Abstract: Data that is to be written is received, wherein the data is indicated in one or more blocks of a first block size. Each of the one or more blocks of the first block size is written in consecutive blocks of a second block size that is larger in size than the first block size, wherein each of the consecutive blocks of the second block size stores only one block of the first block size, and wherein each of the consecutive blocks of the second block size has empty space remaining, subsequent to the writing of each of the one or more blocks of the first block size. Filler data is written in the empty space remaining in each of the consecutive blocks of the second block size.
    Type: Grant
    Filed: May 23, 2011
    Date of Patent: February 10, 2015
    Assignee: International Business Machines Corporation
    Inventors: Michael T. Benhase, Akihiro Nose, Masaru Sugiura
  • Patent number: 8949528
    Abstract: Data that is to be written is received, wherein the data is indicated in one or more blocks of a first block size. Each of the one or more blocks of the first block size is written in consecutive blocks of a second block size that is larger in size than the first block size, wherein each of the consecutive blocks of the second block size stores only one block of the first block size, and wherein each of the consecutive blocks of the second block size has empty space remaining, subsequent to the writing of each of the one or more blocks of the first block size. Filler data is written in the empty space remaining in each of the consecutive blocks of the second block size.
    Type: Grant
    Filed: May 3, 2012
    Date of Patent: February 3, 2015
    Assignee: International Business Machines Corporation
    Inventors: Michael T. Benhase, Akihiro Nose, Masaru Sugiura
  • Publication number: 20120303893
    Abstract: Data that is to be written is received, wherein the data is indicated in one or more blocks of a first block size. Each of the one or more blocks of the first block size is written in consecutive blocks of a second block size that is larger is size than the first block size, wherein each of the consecutive blocks of the second block size stores only one block of the first block size, and wherein each of the consecutive blocks of the second block size has empty space remaining, subsequent to the writing of each of the one or more blocks of the first block size. Filler data is written in the empty space remaining in each of the consecutive blocks of the second block size.
    Type: Application
    Filed: May 3, 2012
    Publication date: November 29, 2012
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Michael T. Benhase, Akihiro Nose, Masaru Sugiura
  • Publication number: 20120303891
    Abstract: Data that is to be written is received, wherein the data is indicated in one or more blocks of a first block size. Each of the one or more blocks of the first block size is written in consecutive blocks of a second block size that is larger is size than the first block size, wherein each of the consecutive blocks of the second block size stores only one block of the first block size, and wherein each of the consecutive blocks of the second block size has empty space remaining, subsequent to the writing of each of the one or more blocks of the first block size. Filler data is written in the empty space remaining in each of the consecutive blocks of the second block size.
    Type: Application
    Filed: May 23, 2011
    Publication date: November 29, 2012
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Michael T. Benhase, Nose Akihiro, Masaru Sugiura
  • Publication number: 20090243145
    Abstract: A casting film (24) is formed by casting a cellulose acylate solution (16) onto a cold drum (22) continuously running. The cellulose acylate solution (16) contains at most 0.01% of a compound which is extracted to a liquid incompatible with the water in a mixture of the water and the liquid. That is, at most 50 mg of the compound is contained in 100 g of cellulose acylate. In the cellulose acylate solution (16), a concentration C1 of Ca is at most 100 ppm, a proportion of the C1 to a concentration C2 of sulfuric acid satisfies the following formula: 0.5?C1/C2?1.5, and a concentration of Mg is in the range of 5 ppm to 50 ppm. Thereby, contamination of the surface of the cold drum (22) is prevented.
    Type: Application
    Filed: December 14, 2005
    Publication date: October 1, 2009
    Applicant: FUJIFILM Corporation
    Inventors: Masaru Sugiura, Fumio Kawamoto
  • Patent number: 7365150
    Abstract: A polyester resin for toner which is obtained through polymerization in the presence of a release agent ingredient with a melting point of 60–100° C. or a release agent ingredient comprising an alcohol component, and which has a softening temperature of 100–160° C., an acid value of 0.1–30 mgKOH/g and a glass transition temperature of 40–70° C.; a process for producing a polyester resin for toner which comprises conducting polymerization in the presence of a release agent ingredient with a melting point of 60–100° C. or a release agent ingredient comprising an alcohol component; and toner comprising the polyester resin. Toners with excellent non-offset properties and glosses are obtained.
    Type: Grant
    Filed: June 19, 2002
    Date of Patent: April 29, 2008
    Assignee: Mitsubishi Rayon Co., Ltd.
    Inventors: Hirokazu Ito, Masaru Sugiura, Kouji Shimizu, Hitoshi Iwasaki
  • Patent number: 7347947
    Abstract: A cellulose acetate solution is filtrated with a filter medium formed of cellulose fiber. Hydroxyl groups on the filter medium are substituted to other functional groups. An acidic material is added to the cellulose acetate solution, and the filtration is preformed. In order to estimate the hydrogen ion concentration of the organic solvent, a sample solvent of thereof is mixed with water so as to transport hydrogen ions from the sample solvent to the water of a predetermined volume. Then the water is separated from the sample solvent, and the pH value of the water is measured with a pH meter. The result of the measurement is regarded as the pH value of the organic solvent.
    Type: Grant
    Filed: October 17, 2003
    Date of Patent: March 25, 2008
    Assignee: FUJIFILM Corporation
    Inventors: Toshikazu Nakamura, Yuji Suzuki, Masaru Sugiura
  • Patent number: 7250485
    Abstract: A toner resin composition comprising a linear polyester resin (A) containing a C3 to C10 aliphatic diol component and a linear polyester resin (B) containing a C3 to C10 aliphatic diol component which differs from the linear polyester resin (A), or further comprising a vinyl-based resin (C), and a toner containing the toner resin composition as a binding resin. A toner excellent in low temperature fixability, offset resistance, gloss, etc. and excellent in range of fixing temperature can be obtained.
    Type: Grant
    Filed: December 17, 2003
    Date of Patent: July 31, 2007
    Assignee: Mitsubishi Rayon Co., Ltd.
    Inventors: Hirokazu Ito, Masaru Sugiura, Yoko Tamura, Akifumi Kondou, Shinya Yamato
  • Patent number: 7189464
    Abstract: In a multi-layer structure of a cellulose acylate film, the averaged degree of acylation of surface layers is controlled in the range of 0.5 to 2.8 by mixing several sorts of cellulose acylates having different averaged degrees of acyation. One of the surface layers is formed on a substrate by casting a solution containing cellulose acylate made of cotton linter. Lubricant particles are added to a solution for the surface layers, and emission compounds to a solution for the inner layers. The obtained cellulose acylate film is excellent in adhesive property to the hydrophobic material without saponification, and adequately used for the polarizing filter, an optical compensation sheet, and liquid crystal display.
    Type: Grant
    Filed: March 4, 2004
    Date of Patent: March 13, 2007
    Assignee: Fuji Photo Film Co., Ltd.
    Inventor: Masaru Sugiura
  • Publication number: 20060175257
    Abstract: A cellulose acetate solution is filtrated with a filter medium formed of cellulose fiber. Hydroxyl groups on the filter medium are substituted to other functional groups. An acidic material is added to the cellulose acetate solution, and the filtration is preformed. In order to estimate the hydrogen ion concentration of the organic solvent, a sample solvent of thereof is mixed with water so as to transport hydrogen ions from the sample solvent to the water of a predetermined volume. Then the water is separated from the sample solvent, and the pH value of the water is measured with a pH meter. The result of the measurement is regarded as the pH value of the organic solvent.
    Type: Application
    Filed: October 17, 2003
    Publication date: August 10, 2006
    Inventors: Toshikazu Nakamura, Yuji Suzuki, Masaru Sugiura
  • Publication number: 20060108707
    Abstract: A peeling force controller is added to a dope to be cast on a support. The peeling force controller is polycarboxylic derivatives, in which a content of said polycarboxylic acid is at most 50 wt. %. During peeling the cast dope as a film from the support, the peeling force is at most 60×9.8 (mN) per 1 cm in width of the film. Thus the film is peeled stably and speedy from the support, and the generation of metal salts of the peeling force controller is reduced such that the pollution of a film production apparatus is prevented. Accordingly, the film excellent in optical property is continuously produced at high speed.
    Type: Application
    Filed: January 12, 2006
    Publication date: May 25, 2006
    Inventors: Masaru Sugiura, Takashi Sakai
  • Publication number: 20060097428
    Abstract: One of silicon dioxide particles and an acid whose pKa in water at 25° C. is from 1.9 to 4.5 is mixed in a polymer solution, such that a first liquid may be obtained, and another one is added to the first liquid. Thus a dope is obtained. Otherwise, a solvent, silicon dioxide particles and an acid whose acid dissociation constant (pKa) in water at 25° C. is from 1.9 to 4.5 are mixed, such that a second liquid in which a concentration of said acid is 0.5 wt. % may be obtained. The second liquid is added to a polymer solution, and thus a dope is obtained. A cellulose acylate film produced from each dope can be peeled from a support adequately, and aggregation of the particles are reduced. Therefore, a film whose optical properties are excellent is produced at high speed.
    Type: Application
    Filed: December 20, 2005
    Publication date: May 11, 2006
    Inventors: Masaru Sugiura, Takashi Sakai