Patents by Inventor Satoshi Yoshinaka
Satoshi Yoshinaka 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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Publication number: 20240142876Abstract: A method for manufacturing a semiconductor substrate, includes: directly or indirectly applying a composition for forming a resist underlayer film to a substrate to form a resist under film directly or indirectly on the substrate; applying a composition for forming a resist film to the resist underlayer film to form a resist film on the resist underlayer film; exposing the resist film to radiation; and developing the exposed resist film by a developer. The composition for forming a resist underlayer film includes: a polymer; an onium salt that is capable of generating at least one polar group selected from the group consisting of a carboxy group and a hydroxy group by radiation or heat; and a solvent.Type: ApplicationFiled: December 5, 2023Publication date: May 2, 2024Applicant: JSR CORPORATIONInventors: Hiroyuki MIYAUCHI, Satoshi DEI, Ryotaro TANAKA, Eiji YONEDA, Sho YOSHINAKA
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Publication number: 20230312912Abstract: To provide a novel resin having excellent dielectric properties, a method for producing the resin, a curable resin composition, and a cured product. The resin contains constituent units described in Group (1). R1 each independently represent a methylene group, a methylene oxy group, a methylene oxy methylene group, or an oxy methylene group. R2 and R3 each independently represent a halogen atom, an alkyl group having from 1 to 10 carbons, a halogenated alkyl group having from 1 to 10 carbons, a hydroxy alkyl group having from 1 to 10 carbons, or an aryl group having from 6 to 12 carbons. R4, R5, and R6 each independently represent a hydrogen atom, a halogen atom, an alkyl group having from 1 to 10 carbons, a halogenated alkyl group having from 1 to 10 carbons, a hydroxy group, a hydroxy alkyl group having from 1 to 10 carbons, or an aryl group having from 6 to 12 carbons.Type: ApplicationFiled: July 2, 2021Publication date: October 5, 2023Applicant: MITSUBISHI GAS CHEMICAL COMPANY, INC.Inventors: Takuya UOTANI, Yoichi TAKANO, Susumu INNAN, Syouichi ITOH, Satoshi YOSHINAKA, Mika SUZUKI, Masashi OGIWARA, Hiroaki OKA
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Patent number: 8357742Abstract: A resin composition for a vibration damping material, comprising a polyester resin mainly formed of a dicarboxylic acid constitutional unit and a diol constitutional unit; and a filler, in which the polyester resin contains: a dicarboxylic acid constitutional unit (A) mainly derived from an aromatic dicarboxylic acid, in particular, isophthalic acid; a diol constitutional unit (B) mainly derived from ethylene glycol; and a constitutional unit (C) formed of an aliphatic dicarboxylic acid, an aliphatic diol, and/or an aliphatic hydroxycarboxylic acid each having 5 or more carbon atoms, and the resin composition contains, as the filler, a flake-like or plate-like filler (D) and a filler (E) made of a particulate metal oxide.Type: GrantFiled: November 11, 2008Date of Patent: January 22, 2013Assignee: Mitsubishi Gas Chemical Company, Inc.Inventors: Takuya Minezaki, Takeo Hayashi, Satoshi Yoshinaka, Kazuaki Mukasa
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Publication number: 20130012088Abstract: There are provided a cyanate ester resin composition for highly multilayered printed wiring boards for high-frequency applications which exhibits excellent heat resistance and dielectric characteristics and which can yield moldings with an excellent surface appearance, a prepreg prepared using the same, and a metal foil-clad laminated sheet. The resin composition comprises (a) a cyanate ester resin having two or more cyanate groups in the molecule, (b) a bisphenol A epoxy resin having two or more epoxy groups in the molecule, (c) a novolak epoxy resin having two or more epoxy groups in the molecule, (d) a brominated polycarbonate oligomer, (e) a low polymer of styrene and/or a substituted styrene, (f) spherical silica particles having a mean particle diameter of 3 ?m or less, and (g) a wetting and dispersing agent.Type: ApplicationFiled: January 6, 2011Publication date: January 10, 2013Applicant: MITSUBISHI GAS CHEMICAL COMPANY, INC.Inventors: Akifumi Tiba, Satoshi Yoshinaka
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Publication number: 20130012641Abstract: A molding material containing a vibration damping material composed of a resin composition of a polyester resin composed of a dicarboxylic acid component constituent unit and a diol component constituent unit having titanium dioxide and a mica flake dispersed therein; and a modifier for improving fluidity. A ratio of a total sum of a number of the dicarboxylic acid component having an odd carbon atom number in a main chain thereof and a number of the diol component having an odd carbon atom number in a main chain thereof to a total sum of a number of all dicarboxylic acid components and a number of all diol components is in the range of from 0.5 to 1.0; in the vibration damping material, a mass ratio of the polyester resin, the titanium dioxide and the mica flake is in the range of (15 to 40):(5 to 30):(30 to 80).Type: ApplicationFiled: November 26, 2010Publication date: January 10, 2013Applicant: MITSUBISHI GAS CHEMICAL COMPANY, INC.Inventors: Akifumi Tiba, Satoshi Yoshinaka
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Patent number: 8198362Abstract: Provided is a vibration damping material comprising: a polyester resin containing dicarboxylic acid constitutional units and diol constitutional units; and mica being dispersed in the polyester resin, wherein: (1) a ratio [(A1+B1)/(A0+B0)] of a total of (A1) a number of the dicarboxylic acid constitutional units having an odd number of carbon atoms in a polyester main chain and (B1) a number of the diol constitutional units having an odd number of carbon atoms in the polyester main chain with respect to a total of (A0) a number of total dicarboxylic acid constitutional units and (B0) a number of total diol constitutional units in the polyester resin is in the range of 0.5 to 1; and (2) an average particle diameter calculated from a volume-based particle diameter frequency distribution of the mica in the vibration damping material is 25 to 500 ?m. The damping material has a high versatility, is lightweight, shows an excellent vibration damping property and can be produced easily with a batch mixer.Type: GrantFiled: August 28, 2006Date of Patent: June 12, 2012Assignee: Mitsubishi Gas Chemical Company, Inc.Inventors: Satoshi Yoshinaka, Takeo Hayashi, Kazuaki Mukasa, Takuya Minezaki, Takao Ota
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Patent number: 8030388Abstract: Provided is a vibration damping material, which includes a resin composition obtained by dispersing titanium dioxide (Y) and a mica flake (Z) in a polyester resin (X) containing dicarboxylic acid constitutional units an diol constitutional units, in which: (1) in the polyester resin (X), a ratio of a total of a number of the dicarboxylic acid constitutional units (A1) having an odd number of carbon atoms in a main chain and a number of the diol constitutional units (B1) having an odd number of carbon atoms in a main chain with respect to a total of a number of total dicarboxylic acid constitutional units (A0) and a number of total diol constitutional units (B0), i.e., [(A1+B1)/(A0+B0)] is in a range of 0.5 to 1; and (2) a mass ratio (X:Y:Z) of the polyester resin (X), the titanium dioxide (Y), and the mica flake (Z) is in a range of 15 to 40:5 to 30:30 to 80.Type: GrantFiled: August 7, 2007Date of Patent: October 4, 2011Assignee: Mitsubishi Gas Chemical Company, Inc.Inventors: Kazuaki Mukasa, Takeo Hayashi, Satoshi Yoshinaka, Takuya Minezaki
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Publication number: 20100234509Abstract: Provided are a resin composition for a vibration damping material, including: a polyester resin mainly formed of a dicarboxylic acid constitutional unit and a diol constitutional unit; and a filler, in which the polyester resin contains: a dicarboxylic acid constitutional unit (A) mainly derived from an aromatic dicarboxylic acid, in particular, isophthalic acid; a diol constitutional unit (B) mainly derived from ethylene glycol; a constitutional unit (C) formed of an aliphatic dicarboxylic acid, an aliphatic diol, and/or an aliphatic hydroxycarboxylic acid each having 5 or more carbon atoms; and a flake-like or plate-like filler (D) and a filler (E) made of a particulate metal oxide as the filler; and a vibration damping material. Thus, there can be provided a vibration damping material exerting high vibration damping performance in a wide temperature region and being excellent in toughness and processability.Type: ApplicationFiled: November 11, 2008Publication date: September 16, 2010Applicant: MITSUBISHI GAS CHEMICAL COMPANY, INC.Inventors: Takuya Minezaki, Takeo Hayashi, Satoshi Yoshinaka, Kazuaki Mukasa
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Publication number: 20100179267Abstract: Provided is a vibration damping material, which includes a resin composition obtained by dispersing titanium dioxide (Y) and a mica flake (Z) in a polyester resin (X) containing dicarboxylic acid constitutional units and diol constitutional units, in which: (1) in the polyester resin (X), a ratio of a total of a number of the dicarboxylic acid constitutional units (A1) having an odd number of carbon atoms in a main chain and a number of the diol constitutional units (B1) having an odd number of carbon atoms in a main chain with respect to a total of a number of total dicarboxylic acid constitutional units (A0) and a number of total diol constitutional units (B0), i.e., [(A1+B1)/(A0+B0)] is in a range of 0.5, to 1; and (2) a mass ratio (X:Y:Z) of the polyester resin (X), the titanium dioxide (Y), and the mica flake (Z) is in a range of 15 to 40:5 to 30:30 to 80.Type: ApplicationFiled: August 7, 2007Publication date: July 15, 2010Inventors: Kazuaki Mukasa, Takeo Hayashi, Satoshi Yoshinaka, Takuya Minezaki
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Publication number: 20090278293Abstract: Provided is a vibration damping material comprising: a polyester resin containing dicarboxylic acid constitutional units and diol constitutional units; and mica being dispersed in the polyester resin, wherein: (1) a ratio [(A1+B1)/(A0+B0)] of a total of (A1) a number of the dicarboxylic acid constitutional units having an odd number of carbon atoms in a polyester main chain and (B1) a number of the diol constitutional units having an odd number of carbon atoms in the polyester main chain with respect to a total of (A0) a number of total dicarboxylic acid constitutional units and (B0) a number of total diol constitutional units in the polyester resin is in the range of 0.5 to 1; and (2) an average particle diameter calculated from a volume-based particle diameter frequency distribution of the mica in the vibration damping material is 25 to 500 ?m. The damping material has a high versatility, is lightweight, shows an excellent vibration damping property and can be produced easily with a batch mixer.Type: ApplicationFiled: August 28, 2006Publication date: November 12, 2009Inventors: Satoshi Yoshinaka, Takeo Hayashi, Kazuaki Mukasa, Takuya Minezaki, Takao Ota
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Patent number: 7038006Abstract: A polyamide obtained by polycondensation of a diamine component containing at least 50 mol % of 2-methyl-1, 5-pentanediamine and a dicarboxylic acid component containing at least 50 mol % of azelaic acid, comprising the following properties of (1) to (4), (1) when a stretched film is polarized in an electric field of 200 MV/m, a remanent polarization is at least 30 mC/m2, (2) the relative viscosity of a 1 g/dl solution of the polyamide in 96% concentrated sulfuric acid at 25 ° C. is 1.3 to 5.0, (3) the glass transition temperature is 80° C. or less and a calorific value at a cooling crystallization exotherm peak is 5 J/g or less, and (4) it is soluble in an amount of at least 5 mass % at 25 ° C. in at least one selected from methanol, ethanol and 2-propanol, and a resin composition containing the above polyamide and an electrically conductive material.Type: GrantFiled: October 6, 2003Date of Patent: May 2, 2006Assignee: Mitsubishi Gas Chemical Company, Inc.Inventors: Shun Ogawa, Satoshi Yoshinaka, Takeo Hayashi
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Publication number: 20050215703Abstract: A resin composition contains dicarboxylic acid constitutional units and diol constitutional units and at least one of an electroconductive material and filler which is dispersed in the polyester resin. The polyester resin satisfies the relationship, 0.5?(A1 +B1)/(A0+B0)?1, wherein A0 is the number of total dicarboxylic acid constitutional units, B0 is the number of total diol constitutional units, A1 is the number of dicarboxylic acid constitutional units having an odd number of carbon atoms in a polyester main chain, and B1 is the number of diol constitutional units having an odd number of carbon atoms in the polyester main chain. The resin composition exhibits a high vibration damping ability.Type: ApplicationFiled: February 28, 2005Publication date: September 29, 2005Inventors: Kazuaki Mukasa, Satoshi Yoshinaka, Shun Ogawa, Takeo Hayashi
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Publication number: 20040068090Abstract: A polyamide obtained by polycondensation of a diamine component containing at least 50 mol % of 2-methyl-1, 5-pentanediamine and a dicarboxylic acid component containing at least 50 mol % of azelaic acid,Type: ApplicationFiled: October 6, 2003Publication date: April 8, 2004Inventors: Shun Ogawa, Satoshi Yoshinaka, Takeo Hayashi