Patents by Inventor Shunji Aoki

Shunji Aoki 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: 20190177540
    Abstract: This gel-form composition contains (A) an organoalkoxysilane of the following formula and/or a partially hydrolyzed condensate of the organoalkoxysilane, R1aSi(OR2)4-a (R1 and R2 are monovalent hydrocarbon groups, and a is 1, 2, or 3), (B) an aluminum dicarboxylate of the following formula (R3COO)2Al(OH) (R3 is a monovalent hydrocarbon group), (C) a C6-24 fatty acid, (D) a C6-30 dicarboxylic acid, and (E) an aluminum oligomer and/or aluminum alkoxide selected from aluminum oxide organoxides and aluminum oxide acylates. It is thereby possible to: obtain a water absorption inhibitor that imparts an excellent water absorption-inhibiting property to the surfaces of porous materials; and provide a method for imparting a water absorption-inhibiting property by applying the water absorption inhibitor to the surface of a porous material, and a porous material that is surface-treated by the water absorption inhibitor.
    Type: Application
    Filed: April 25, 2017
    Publication date: June 13, 2019
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Yuta HAMAJIMA, Shunji AOKI
  • Patent number: 10232288
    Abstract: The present invention relates to a defoamer oil compound that contains an organopolysiloxane (A), a fine silica powder (B), and a group (C) that is represented by the organopolysiloxanes of formulas (I) and/or (II) (in the formulas, c, d, and e are each an integer of 0 or more, and at least one of X1 to X3 is the group represented by formula (i)). The component (C) is used as a surface treatment agent for the component (B). The present invention makes it possible to obtain a silicone-based defoamer composition that imparts good initial defoaming properties even in an alkaline foaming liquid, that exhibits very little loss in performance over time, and that has excellent defoaming performance.
    Type: Grant
    Filed: July 24, 2015
    Date of Patent: March 19, 2019
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Akihiro Kobayashi, Chinami Matsui, Takato Sakurai, Shunji Aoki
  • Publication number: 20190043655
    Abstract: A laminated coil component includes an element body, a coil, and a pair of conductors. The pair of conductors is disposed on the element body. Each of the pair of conductors has an L shape when viewed from the third direction. Each of the pair of conductors includes a first conductor portion and a second conductor portion. The first conductor portion is disposed on one of first side faces. The second conductor portion is disposed on a pair of end faces. The coil includes a first coil portion and a second coil portion. The first coil portion includes a first straight portion and a pair of second straight portions. The pair of second straight portions is connected to both ends of the first straight portion. The second coil portion is curved as a whole.
    Type: Application
    Filed: July 26, 2018
    Publication date: February 7, 2019
    Applicant: TDK CORPORATION
    Inventors: Hajime KATO, Yuto SHIGA, Kazuya TOBITA, Youichi KAZUTA, Yuya ISHIMA, Satoru OKAMOTO, Shunji AOKI
  • Publication number: 20190023850
    Abstract: An organopolysiloxane emulsion composition which contains a polyoxyalkylene-modified organopolysiloxane compound represented by formula (1) as an emulsifying agent or as an emulsifying assistant. (LR2SiO1/2)a(R3SiO1/2)b(R2SiO2/2)c(RSiO3/2)d(SiO4/2)e ??(1) (In the formula, L represents a polyoxyalkylene group represented by formula (2); R represents a hydrogen atom, a hydroxy group, an alkyl group, an aryl group, an aralkyl group or an alkoxy group; a represents a number of 2-4; b represents a number of 0-2; c represents a number of 50-1,000; and each of d and e represents 0 or 1.) —H2C—CH2—(CH2)r—O-(EO)s-(AO)t—R1 ??(2) (In formula (2), EO represents an oxyethylene group; AO represents a linear or branched oxyalkylene group having 3-10 carbon atoms; R1 represents an alkyl group, a hydrogen atom, a carboxy group, an acyl group or a phenyl group; r represents a number of 0-10; s represents a number of 1-100, t represents a number of 0-150; and (s+t) represents a number of 15 or more.
    Type: Application
    Filed: January 6, 2017
    Publication date: January 24, 2019
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Yuko TAKADA, Shunji AOKI
  • Publication number: 20190006084
    Abstract: A laminated electronic component includes an element body and a conductor. The element body is formed by laminating a plurality of element-body layers. The element body has a first face, a second face, and a pair of third faces. The conductor is disposed on the element body and has an L shape. The conductor has an exposed face exposed on the first face and the second face. The exposed face includes a plurality of divided regions divided by the element body. The length of each divided region in a dividing direction is longer than a distance with which the plurality of divided regions is separated from each other and longer than a distance with which the exposed face and the pair of third faces are separated from each other.
    Type: Application
    Filed: June 28, 2018
    Publication date: January 3, 2019
    Applicant: TDK CORPORATION
    Inventors: Yuto SHIGA, Hajime KATO, Kazuya TOBITA, Youichi KAZUTA, Yuya ISHIMA, Satoru OKAMOTO, Shunji AOKI
  • Publication number: 20180361274
    Abstract: The present invention relates to a defoamer oil compound that contains an organopolysiloxane (A), a fine silica powder (B), and a group (C) that is represented by the organopolysiloxanes of formulas (I) and/or (II) (in the formulas, c, d, and e are each an integer of 0 or more, and at least one of X1 to X3 is the group represented by formula (i)). The component (C) is used as a surface treatment agent for the component (B). The present invention makes it possible to obtain a silicone-based defoamer composition that imparts good initial defoaming properties even in an alkaline foaming liquid, that exhibits very little loss in performance over time, and that has excellent defoaming performance.
    Type: Application
    Filed: August 27, 2018
    Publication date: December 20, 2018
    Applicant: Shin-Etsu Chemical Co., Ltd.
    Inventors: Akihiro KOBAYASHI, Chinami Matsui, Takato Sakurai, Shunji Aoki
  • Publication number: 20180342341
    Abstract: A laminated electronic component includes an element body and a pair of conductors. The element body is formed by laminating a plurality of element-body layers in a first direction. The pair of conductors is formed by laminating a plurality of conductor layers in the first direction. The pair of conductors is provided to the element body in such a way as to be separated from each other in a second direction orthogonal to the first direction. At a cross section orthogonal to the first direction, the pair of conductors has an uneven portion and the element body has an uneven portion engaged with the uneven portion of the pair of conductors.
    Type: Application
    Filed: May 24, 2018
    Publication date: November 29, 2018
    Applicant: TDK CORPORATION
    Inventors: Shunji AOKI, Yuya ISHIMA, Hajime KATO, Yuto SHIGA, Kazuya TOBITA, Youichi KAZUTA, Satoru OKAMOTO
  • Publication number: 20180286565
    Abstract: An electronic component includes an element body, a conductor provided on the element body, a plating layer provided on the conductor, and a glass layer provided on the conductor along an outer edge of the plating layer.
    Type: Application
    Filed: March 27, 2018
    Publication date: October 4, 2018
    Applicant: TDK CORPORATION
    Inventors: Shunji AOKI, Yuya ISHIMA, Masaki TAKAHASHI, Yuki OKAZAKI, Takeshi SASAKI
  • Publication number: 20180286566
    Abstract: An electronic component includes an element body, a conductor, and a plated electrode layer. The element body includes a first outer surface provided with a first recess. The conductor includes a first conductor portion. The first conductor portion is disposed in the first recess and includes a first face opposed to a bottom face of the first recess and a second face opposed to the first face. The plated electrode layer includes a first plating portion covering the second face. The second face includes a first slope inclined with respect to the first outer surface in such a way as to be recessed toward the bottom face side of the first recess from the first outer surface.
    Type: Application
    Filed: March 29, 2018
    Publication date: October 4, 2018
    Applicant: TDK CORPORATION
    Inventors: Shunji AOKI, Yuya ISHIMA, Makoto TAKAHASHI, Shougo OKAMOTO, Takafumi TAKAHASHI, Hajime KATO, Yuto SHIGA
  • Publication number: 20180254145
    Abstract: An electronic-component manufacturing method is for simultaneously manufacturing a plurality of electronic components each including an element body and a conductor. The electronic-component manufacturing method includes the steps of forming laminates to be the plurality of electronic components on a plurality of regions set apart from each other on a surface of a first substrate, releasing the laminates from the plurality of regions, and performing heat treatment to the laminates. The forming the laminates includes a first step of forming element-body patterns on the plurality of regions and a second step of forming conductor patterns on the plurality of regions. The element-body patterns contain a constituent material of the element bodies and are patterned for the plurality of regions. The conductor patterns contain a constituent material of the conductors and are patterned for the plurality of regions.
    Type: Application
    Filed: February 27, 2018
    Publication date: September 6, 2018
    Applicant: TDK CORPORATION
    Inventors: Yuya Ishima, Shunji Aoki, Shinichi Kondo, Yasushi Matsuyama, Hajime Azuma, Yusuke Onezawa
  • Publication number: 20180244850
    Abstract: A production method for an organopolysiloxane emulsion composition, wherein (I) an emulsion composition is prepared by emulsifying an organopolysiloxane (A) that is represented by formula (2), or that is a mixture of organopolysiloxanes represented by formulas (1) and (2), and that has an octamethylcyclotetrasiloxane content of 1000 ppm or less (R1 and R2 are H or a monovalent hydrocarbon group, n is a number that makes the viscosity of the organopolysiloxane 200-100,000 mm2/s, and a, b, c, and d satisfy the expressions a?3, b?5, c+d?1, 10?a+b+c+d?1,000), a surfactant (B), and water (C-1), and wherein (II) water (C-2) is added as needed and then emulsion polymerization is performed in the presence of an acid catalyst (D). The organopolysiloxane generated has a 15 mass % toluene solution viscosity of 200 mPa·s or higher at 25° C., has an octamethylcyclotetrasiloxane content of 3000 ppm or less, and has a branched structure that has a particle size of 1 ?m or less.
    Type: Application
    Filed: September 1, 2016
    Publication date: August 30, 2018
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Akihiro KOBAYASHI, Yuko TAKADA, Shunji AOKI
  • Publication number: 20180240591
    Abstract: An electronic component includes an element provided with a first recess, and a mounting conductor including a first conductor portion disposed in the first recess. The first conductor portion has a first face opposed to a bottom face of the first recess, a second face opposed to the first face, and a third face connecting the first face and the second face. The third face has a region overlapping with the second face as viewed from an opposing direction of the bottom face of the first recess and the first face.
    Type: Application
    Filed: February 9, 2018
    Publication date: August 23, 2018
    Applicant: TDK CORPORATION
    Inventors: Yuya ISHIMA, Yasushi MATSUYAMA, Yuto SHIGA, Shunji AOKI, Shinichi KONDO
  • Publication number: 20180233280
    Abstract: A method for manufacturing a laminated coil component including an element and a conductor configuring a coil in the element includes a step of forming a conductor pattern including a configuration material of the conductor on a first base material by a photolithography method, a step of forming an element pattern including a configuration material of the element on a second base material by a photolithography method, the element pattern being formed such that a shape corresponding to a shape of the conductor pattern has been removed, a step of laminating the conductor pattern and the element pattern in a predetermined direction by repeatedly transferring the conductor pattern and the element pattern onto a support, and a step of performing thermal treatment for a laminate obtained by the step of laminating.
    Type: Application
    Filed: February 13, 2018
    Publication date: August 16, 2018
    Applicant: TDK CORPORATION
    Inventors: Yuya ISHIMA, Shinichi KONDO, Shunji AOKI, Yasushi MATSUYAMA, Yusuke ONEZAWA, Hajime AZUMA
  • Patent number: 10040891
    Abstract: Provided is a silicone composition having high curability even under low-temperature treatment conditions, and exceptional storage stability, the silicone composition being capable of imparting excellent flexibility to fibers as a fiber treatment agent, and also having exceptional washing durability; specifically, a silicone composition containing (A) 70-98 parts by mass of organopolysiloxane having a group represented by formula (1) at the end of the molecule or in a side chain (in the formula, Rx is a C1-8 divalent hydrocarbon group, a is an integer of 0-4, Ry are each independently a hydrogen atom, C1-10 monovalent hydrocarbon group, or acyl group, and at least one group shown by Ry is hydrogen) and (B) 2-30 parts by mass of blocked polyisocyanate having two or more isocyanate groups per molecule, 50% or more of these isocyanate groups being blocked by a thermally dissociable blocking agent.
    Type: Grant
    Filed: February 24, 2015
    Date of Patent: August 7, 2018
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Yuta Hamajima, Motohiko Hirai, Shunji Aoki
  • Publication number: 20180186922
    Abstract: Provided is a silicone composition having high curability even under low-temperature treatment conditions, and exceptional storage stability, the silicone composition being capable of imparting excellent flexibility to fibers as a fiber treatment agent, and also having exceptional washing durability; specifically, a silicone composition containing (A) 70-98 parts by mass of organopolysiloxane having a group represented by formula (1) at the end of the molecule or in a side chain (in the formula, Rx is a C1-8 divalent hydrocarbon group, a is an integer of 0-4, Ry are each independently a hydrogen atom, C1-10 monovalent hydrocarbon group, or acyl group, and at least one group shown by Ry is hydrogen) and (B) 2-30 parts by mass of blocked polyisocyanate having two or more isocyanate groups per molecule, 50% or more of these isocyanate groups being blocked by a thermally dissociable blocking agent.
    Type: Application
    Filed: February 27, 2018
    Publication date: July 5, 2018
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Yuta HAMAJIMA, Motohiko HIRAI, Shunji AOKI
  • Patent number: 9834678
    Abstract: To provide a radiation-curable silicone composition which provides a cured product whose odor is decreased, particularly is odorless, and has excellent curability and releasing properties. A radiation-curable silicone composition including the following components (A) and (B): (A) an epoxy group-containing cation-polymerizable organopolysiloxane which is represented by the following average composition formula (1): R1aR2bSiO(4-a-b)/2 (1) and (B) an iodonium salt having a cation moiety represented by the following general formula (2) in an effective amount to cure said component (A), [(R3)—I—(R3)]+ (2) wherein R3 is, independently of each other, a substituted or unsubstituted monovalent aromatic hydrocarbon group having 15 to 26 carbon atoms, wherein said component (A) may be accompanied by any other compounds volatilizing during heating at 105 degrees C. for 3 hours, a content of said compounds is at most 2.0 mass %, based on a total amount of component (A) and said compound.
    Type: Grant
    Filed: March 2, 2015
    Date of Patent: December 5, 2017
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Kenji Tanaka, Shinji Irifune, Shunji Aoki
  • Patent number: 9777105
    Abstract: A blocked polyisocyanate-containing curable silicone composition includes an amino group-containing organopolysiloxane, a blocked polyisocyanate and a catalyst which is an organic base compound and/or a metal compound. The composition has a high curability even under low-temperature conditions and, when used as a textile treatment, imparts textile fibers and products with good softness and water absorbency, and also has an excellent durability to washing.
    Type: Grant
    Filed: May 17, 2016
    Date of Patent: October 3, 2017
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Yuta Hamajima, Motohiko Hirai, Shunji Aoki
  • Patent number: 9765189
    Abstract: An organopolysiloxane emulsion composition having good age stability is prepared by (I) emulsifying a mixture comprising (A) an organopolysiloxane of formula: HO(R12SiO)nH, (B) a surfactant and (C-1) water to form a first emulsion composition and (II) effecting emulsion polymerization of the first emulsion composition in the presence of (D) an acid catalyst below 40° C. The target emulsion composition contains an organopolysiloxane product having a viscosity?300,000 mPa·s at 25° C. and an octamethylcyclotetrasiloxane content?3,000 ppm, and has an emulsified particle size?500 nm.
    Type: Grant
    Filed: March 4, 2016
    Date of Patent: September 19, 2017
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Akihiro Kobayashi, Yuko Takada, Shunji Aoki
  • Publication number: 20170209813
    Abstract: The present invention relates to a defoamer oil compound that contains an organopolysiloxane (A), a fine silica powder (B), and a group (C) that is represented by the organopolysiloxanes of formulas (I) and/or (II) (in the formulas, c, d, and e are each an integer of 0 or more, and at least one of X1 to X3 is the group represented by formula (i)). The component (C) is used as a surface treatment agent for the component (B). The present invention makes it possible to obtain a silicone-based defoamer composition that imparts good initial defoaming properties even in an alkaline foaming liquid, that exhibits very little loss in performance over time, and that has excellent defoaming performance.
    Type: Application
    Filed: July 24, 2015
    Publication date: July 27, 2017
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Akihiro KOBAYASHI, Chinami MATSUI, Takato SAKURAI, Shunji AOKI
  • Publication number: 20170073517
    Abstract: Provided is a method for producing an organopolysiloxane emulsion composition which contains an organopolysiloxane having a trialkyl group at a terminal thereof and having a viscosity of 50,000 mm2/s or more at 25° C., within a shorter time compared with the conventional methods. A method for producing an emulsion composition which contains an organopolysiloxane having a viscosity of 50,000 mm2/s or more at 25° C. and capped with a trialkylsilyl group, said method comprising: (I) emulsifying a mixture comprising (A) an organopolysiloxane, (B) a nonionic surfactant, (C) an anionic surfactant, (D-1) an acidic compound and (E-1) water to prepare an emulsion composition; (II) adding (D-2) an acidic compound and (E-2) water to the emulsion composition to perform emulsion polymerization; and (III) adding 0.001 part by mass or more of (F) a compound to the resultant product to perform emulsion polymerization again.
    Type: Application
    Filed: May 12, 2015
    Publication date: March 16, 2017
    Applicant: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Akihiro KOBAYASHI, Yuji ANDO, Yuko TAKADA, Shunji AOKI