Patents by Inventor Shintaro Saito

Shintaro Saito 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: 20240100796
    Abstract: A dust compaction system includes a compaction device including a hopper with an input port into which a dust is input and a discharge port from which the dust is discharged, and a compaction unit configured to form pellets by compressing the dust supplied from the discharge port of the hopper, and the dust compaction system further includes a suction device configured to suck in the hopper of the compaction device.
    Type: Application
    Filed: September 7, 2023
    Publication date: March 28, 2024
    Applicant: SINTOKOGIO, LTD.
    Inventors: Koh SAITO, Shintaro NISHIKAWA
  • Publication number: 20240067818
    Abstract: A resin composition including a liquid crystalline polymer and a fluororesin, wherein the fluororesin has a peak area percentage of a CF3 groups content relative to a CF2 groups content in the fluororesin of 0.05% or more, as determined by the following [Method for measuring CF3 groups content]: the CF3 groups content relative to the CF2 groups content in the fluororesin is calculated as an area percentage from a peak area ICF3 corresponding to the CF3 groups and a peak area ICF2 corresponding to the CF2 groups measured by 19F solid-state NMR, and is determined by the following formula (f1): CF3 groups content (%)={(ICF3/3)/(ICF2/2)}×100 (f1).
    Type: Application
    Filed: February 1, 2022
    Publication date: February 29, 2024
    Inventors: Yuta KIKUCHI, Shintaro SAITO, Kensuke MAEKAWA
  • Publication number: 20240059861
    Abstract: A liquid crystal polyester composition comprising a liquid crystal polyester and a fatty acid metal salt, wherein the fatty acid metal salt comprises a fatty acid metal salt of which the number of carbon atoms is 20 or less, and a sieve residue of the fatty acid metal salt measured in accordance with JIS K 0069 for a sieve with a nominal opening of 106 ?m prescribed in JIS Z 8801 is from 0 to 80% by mass relative to the total mass of the fatty acid metal salt.
    Type: Application
    Filed: January 7, 2022
    Publication date: February 22, 2024
    Inventors: Hiromitsu HEGI, Tomoyuki HARA, Shintaro SAITO
  • Publication number: 20220332923
    Abstract: A liquid crystal polyester resin composition contains a component (P): a liquid crystal polyester resin, a component (M): a non-metallic and powdery pigment having a metallic color, and a component (F): an inorganic filler excluding the component (M).
    Type: Application
    Filed: August 28, 2020
    Publication date: October 20, 2022
    Inventors: Shintaro SAITO, Hiromitsu HEGI
  • Patent number: 10912410
    Abstract: An ovenware is a molded article of a resin composition containing a liquid crystalline polyester resin, an inorganic filler, and a fatty acid compound, in which, when the ovenware is heated at 250° C., a total generated concentration of notional and decanal derived from the fatty acid compound is 1 vol ppb or less.
    Type: Grant
    Filed: August 2, 2017
    Date of Patent: February 9, 2021
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventor: Shintaro Saito
  • Patent number: 10869574
    Abstract: An ovenware is a molded article of a resin composition containing a liquid crystalline polyester resin, an inorganic filler, and a fatty acid compound, in which, when the ovenware is heated at 250° C., a total generated concentration of notional and decanal derived from the fatty acid compound is 1 vol ppb or less.
    Type: Grant
    Filed: August 2, 2017
    Date of Patent: December 22, 2020
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventor: Shintaro Saito
  • Publication number: 20190191923
    Abstract: An ovenware is a molded article of a resin composition containing a liquid crystalline polyester resin, an inorganic filler, and a fatty acid compound, in which, when the ovenware is heated at 250° C., a total generated concentration of notional and decanal derived from the fatty acid compound is 1 vol ppb or less.
    Type: Application
    Filed: August 2, 2017
    Publication date: June 27, 2019
    Inventor: Shintaro SAITO
  • Publication number: 20190167033
    Abstract: An ovenware has a container portion, and a handle portion connected to the container portion, in which the ovenware is a molded article of a resin composition containing a liquid crystalline polyester resin and a talc filler, a deflection temperature under load of the resin composition is 270° C. or higher, an internal volume of the ovenware is 500 mL or more and 6 L or less, and a thickness of the container portion is 0.3 mm or more and 5 mm or less.
    Type: Application
    Filed: August 2, 2017
    Publication date: June 6, 2019
    Applicant: Sumitomo Chemical Company, Limited
    Inventor: Shintaro SAITO
  • Publication number: 20180084942
    Abstract: Ovenware having a container portion and a handle portion, wherein the ovenware is molded from a resin composition comprising a liquid crystal polyester resin and a talc filler, the amount of the talc filler is at least 55 parts by mass but not more than 100 parts by mass per 100 parts by mass of the liquid crystal polyester resin, the capacity of the ovenware is at least 500 mL but not more than 6 L, and the wall thickness of the container portion is at least 0.3 mm but not more than 5 mm.
    Type: Application
    Filed: March 25, 2016
    Publication date: March 29, 2018
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Shintaro SAITO, Koichi MIZUMOTO
  • Patent number: 9873835
    Abstract: A method for manufacturing a liquid crystal polyester, comprising: a melt polycondensation step in which 0.001 to 1% by mass of a heterocyclic aromatic compound represented by the following formula (I) is added to a monomer mixture comprising at least one monomer selected from the group consisting of terephthalic acid, a terephthalic acid derivative, 2,6-naphthalenedicarboxylic acid and a 2,6-naphthalenedicarboxylic acid derivative, relative to 100% by mass of the monomer mixture, and then a melt polycondensation is conducted at a temperature of 240 to 300° C. so as to obtain a polymer. (wherein each of X1 and X2 independently represents a methyl group, an ethyl group, a propyl group, a butyl group or a pentyl group, provided that one or more hydrogen atoms on a heterocyclic aromatic ring may each independently be replaced by a halogen atom, an alkyl group or an aryl group).
    Type: Grant
    Filed: July 24, 2012
    Date of Patent: January 23, 2018
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventor: Shintaro Saito
  • Patent number: 9283707
    Abstract: The present invention provides a method for producing a liquid-crystalline polyester resin composition, the method comprising providing a twin-screw extrusion granulator that comprises a cylinder provided with at least one supply port and two screws installed in the cylinder; supplying (A) a liquid-crystalline polyester and (B) a titanium oxide filler into the cylinder through one of the at least one supply port; and melt-kneading the components (A) and (B), wherein a cylinder setting temperature is set at a temperature of (Tm?10)° C. or lower wherein Tm is a fluidization temperature of the component (A).
    Type: Grant
    Filed: September 2, 2009
    Date of Patent: March 15, 2016
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Shintaro Saito, Sadanobu Iwase, Hiroshi Harada
  • Patent number: 8692272
    Abstract: The present invention provides a resin composition comprising a liquid crystal polyester and a titanium oxide filler, wherein when a value obtained by converting the content of aluminum in the titanium oxide filler to the content of aluminum oxide is A (% by weight) and the volume average particle diameter of the titanium oxide filler is B (?m), A and B satisfy the formula (I): A?0.1 and the formula (II): A/B2?25, a reflective board obtained by molding the resin composition, and a light-emitting apparatus comprising the reflective board and a light-emitting element. According to the resin composition of the present invention, a reflective board having high reflectance and high heat resistance can be obtained. Furthermore, a light-emitting apparatus which is excellent in properties such as luminance can be obtained by using the reflective board.
    Type: Grant
    Filed: October 23, 2009
    Date of Patent: April 8, 2014
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Yasuo Matsumi, Mitsuo Maeda, Shintaro Saito
  • Patent number: 8425798
    Abstract: The present invention provides a composition comprising a liquid crystal polyester, a white pigment and a glass fiber bundle obtained by bundling glass fibers using a sizing agent comprising a polyurethane having a polyester polyol unit and at least one of an aliphatic diisocyanate unit or an alicyclic diisocyanate unit, wherein the polyester polyol unit is a polyol unit having an aliphatic polyhydric alcohol unit and at least one of an aliphatic polybasic acid unit or an alicyclic polybasic acid unit. The liquid crystal polyester composition can provide a reflective plate having a high reflectivity.
    Type: Grant
    Filed: July 26, 2011
    Date of Patent: April 23, 2013
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Shintaro Saito, Ryo Miyakoshi, Mitsuo Maeda
  • Publication number: 20130030143
    Abstract: A method for manufacturing a liquid crystal polyester, comprising: a melt polycondensation step in which 0.001 to 1% by mass of a heterocyclic aromatic compound represented by the following formula (I) is added to a monomer mixture comprising at least one monomer selected from the group consisting of terephthalic acid, a terephthalic acid derivative, 2,6-naphthalenedicarboxylic acid and a 2,6-naphthalenedicarboxylic acid derivative, relative to 100% by mass of the monomer mixture, and then a melt polycondensation is conducted at a temperature of 240 to 300° C. so as to obtain a polymer. (wherein each of X1 and X2 independently represents a methyl group, an ethyl group, a propyl group, a butyl group or a pentyl group, provided that one or more hydrogen atoms on a heterocyclic aromatic ring may each independently be replaced by a halogen atom, an alkyl group or an aryl group).
    Type: Application
    Filed: July 24, 2012
    Publication date: January 31, 2013
    Inventor: Shintaro SAITO
  • Patent number: 8222802
    Abstract: The present invention provides a resin composition comprising the component (A) liquid-crystalline polyester, and the component (B) a titanium oxide filler having a volume average particle diameter of 0.27 to 0.4 ?m, wherein the component (B) is contained in an amount of from 5 to 110 parts by mass relative to 100 parts by mass of the component (A); a reflective plate of the resin composition, and a light-emitting device having the reflective plate. According to the resin composition of the present invention, it is possible to obtain a reflective plate exhibiting high reflectance of a visible light while keeping excellent mechanical strength of the liquid-crystalline polyester. Also, a light-emitting device excellent in characteristics such as brightness can be obtained using the reflective plate.
    Type: Grant
    Filed: March 17, 2009
    Date of Patent: July 17, 2012
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Shintaro Saito, Sadanobu Iwase, Hiroshi Harada
  • Publication number: 20120026741
    Abstract: The present invention provides a composition comprising a liquid crystal polyester, a white pigment and a glass fiber bundle obtained by bundling glass fibers using a sizing agent comprising a polyurethane having a polyester polyol unit and at least one of an aliphatic diisocyanate unit or an alicyclic diisocyanate unit, wherein the polyester polyol unit is a polyol unit having an aliphatic polyhydric alcohol unit and at least one of an aliphatic polybasic acid unit or an alicyclic polybasic acid unit. The liquid crystal polyester composition can provide a reflective plate having a high reflectivity.
    Type: Application
    Filed: July 26, 2011
    Publication date: February 2, 2012
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Shintaro SAITO, Ryo MIYAKOSHI, Mitsuo MAEDA
  • Publication number: 20110245394
    Abstract: An aromatic polysulfone resin composition including an aromatic polysulfone resin and at least one compound selected from the group consisting of a monoacylglycerol, a diacylglycerol and a triacylglycerol, wherein the amount of the at least one compound, relative to 100 parts by weight of the aromatic polysulfone resin is preferably 0.02 to 4 parts by weight, and the aromatic polysulfone resin composition is preferably in the form of pellet obtained by subjecting the aromatic polysulfone resin and the at least one compound to melt-kneading.
    Type: Application
    Filed: March 24, 2011
    Publication date: October 6, 2011
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Shintaro SAITO, Mitsuo MAEDA
  • Publication number: 20110244208
    Abstract: A resin composition for laser beam welding, including an aromatic polysulfone resin, a filler and a crystalline resin, wherein the weight ratio of the aromatic polysulfone resin to the filler being 20 to 99:80 to 1, the filler includes a glass fiber having a monofilament diameter of 10 to 50 ?m, and the amount of the crystalline resin, relative to 100 parts by weight of the total of the aromatic polysulfone resin and the glass fiber being 0 to 10 parts by weight.
    Type: Application
    Filed: March 29, 2011
    Publication date: October 6, 2011
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Yuichi SAKA, Mitsuo MAEDA, Shintaro SAITO
  • Publication number: 20110204406
    Abstract: The present invention provides a resin composition comprising a liquid crystal polyester and a titanium oxide filler, wherein when a value obtained by converting the content of aluminum in the titanium oxide filler to the content of aluminum oxide is A (% by weight) and the volume average particle diameter of the titanium oxide filler is B (?m), A and B satisfy the formula (I): A?0.1 and the formula (II): A/B2?25, a reflective board obtained by molding the resin composition, and a light-emitting apparatus comprising the reflective board and a light-emitting element. According to the resin composition of the present invention, a reflective board having high reflectance and high heat resistance can be obtained. Furthermore, a light-emitting apparatus which is excellent in properties such as luminance can be obtained by using the reflective board.
    Type: Application
    Filed: October 23, 2009
    Publication date: August 25, 2011
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Yasuo Matsumi, Mitsuo Maeda, Shintaro Saito
  • Patent number: D1022864
    Type: Grant
    Filed: August 30, 2022
    Date of Patent: April 16, 2024
    Assignee: BRIDGESTONE CORPORATION
    Inventors: Keigo Saito, Shintaro Hayashi