Patents by Inventor Haruhiko Furukawa

Haruhiko Furukawa 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: 10874604
    Abstract: A cosmetic composition and a topical composition containing a resin-linear organopolysiloxane block copolymer are provided, which are excellent in compatibility with other cosmetic raw materials, so as to have a high degree of freedom in formulation design, excellent film forming properties and film following properties, and suppressed tackiness of the film. The resin-linear organopolysiloxane block copolymer contains a resin-linear organopolysiloxane block copolymer (A) having a structure in which a resin structure (A1) block having a siloxane unit represented by R1SiO3/2 (where R1 is a monovalent organic group, a hydroxyl group, or an alkoxy group having 1 to 6 carbon atoms) or by SiO4/2 and a linear structure (A2) block represented by (R2SiO2/2)n (where n is a number of 5 or more, R is an alkyl group, a fluoroalkyl group, or an aryl group) are connected by a Si—O—Si bond and has an R1SiO3/2 unit.
    Type: Grant
    Filed: October 3, 2017
    Date of Patent: December 29, 2020
    Assignees: DOW TORAY CO., LTD., DOW SILICONES CORPORATION
    Inventors: Haruhiko Furukawa, John Bernard Horstman, Tomohiro Iimura, Tadashi Okawa, Steven Swier
  • Publication number: 20200385579
    Abstract: A curable silicone composition is disclosed. The composition comprises: (A) an organopolysiloxane having at least two alkenyl groups in a molecule; (B) an organopolysiloxane having at least two silicon atom-bonded hydrogen atoms in a molecule; (C) a polyether-modified silicone comprising repeating units represented by a general formula herein and having a number average molecular weight of 1,000 to 100,000; and (D) a hydrosilylation catalyst. The composition can be used to form an optical semiconductor device having minimal contamination of a case during manufacturing of the optical semiconductor device, good efficiency of light extraction from a light emitting element, and minimal color unevenness or chromaticity deviation. The optical semiconductor device notable in that a light emitting element is sealed or covered by a cured material of the composition, in addition to having minimal contamination of a case, good efficiency of light extraction, and minimal color unevenness or chromaticity deviation.
    Type: Application
    Filed: July 26, 2018
    Publication date: December 10, 2020
    Inventors: Tomohiro IIMURA, Kazuhiro NISHIJIMA, Haruhiko FURUKAWA
  • Publication number: 20200385580
    Abstract: A curable silicone composition comprises: (A) an organopolysiloxane having at least two alkenyl groups in a molecule; (B) an organopolysiloxane having at least two silicon atom-bonded hydrogen atoms in a molecule and free of a polyether structure; (C) a polyether-modified silicone having a siloxane dendron structure and a polyether structure; and (D) a hydrosilylation reaction catalyst. The curable silicone composition can be used to form an optical semiconductor device having minimal contamination of a case during manufacturing of the optical semiconductor device, good efficiency of light extraction from a light emitting element, and minimal color unevenness or chromaticity deviation. The optical semiconductor device is notable in that a light emitting element is sealed or covered by a cured material of the composition, in addition to having minimal contamination of a case, good efficiency of light extraction, and minimal chromaticity deviation.
    Type: Application
    Filed: July 26, 2018
    Publication date: December 10, 2020
    Inventors: Tomohiro IIMURA, Kazuhiro NISHIJIMA, Sawako INAGAKI, Haruhiko FURUKAWA
  • Patent number: 10793681
    Abstract: A hydrosilylation curable polysiloxane comprising at least one of units of formula (I) and units of formula (II), wherein Ar is C6-C20 aryl, R1 is C2-C20 alkenyl, and R2, R3, R4 and R5 independently are C1-C20 hydrocarbyl.
    Type: Grant
    Filed: April 18, 2018
    Date of Patent: October 6, 2020
    Assignee: Dow Silicones Corporation
    Inventors: Steven Swier, Haruhiko Furukawa, Michitaka Suto, Kazuhiro Nishijima, Atsushi Sugie
  • Patent number: 10784451
    Abstract: A flexible laminate, in which it is possible to achieve both flexibility and durability, is disclosed. A flexible display using the flexible laminate is also disclosed. The flexible laminate includes one or more units of a laminate structure in which two hard layers interposing one or more intermediate layers therebetween are bonded together as one unit. The intermediate layer has viscoelasticity. When the flexible laminate is bent, a neutral plane is formed in each inner portion of the hard layers that are bonded together to interpose the intermediate layer therebetween.
    Type: Grant
    Filed: February 17, 2017
    Date of Patent: September 22, 2020
    Assignee: DOW TORAY CO., LTD.
    Inventors: Takeaki Tsuda, Michitaka Suto, Haruna Mizuno, Haruhiko Furukawa, Maki Itoh
  • Publication number: 20200291190
    Abstract: A hydrosilylation curable polysiloxane comprising at least one of units of formula (I) and units of formula (II), wherein Ar is C6-C20 aryl, R1 is C2-C20 alkenyl, and R2, R3, R4 and R5 independently are C1-C20 hydrocarbyl.
    Type: Application
    Filed: April 18, 2018
    Publication date: September 17, 2020
    Inventors: Steven Swier, Haruhiko Furukawa, Michitaka Suto, Kazuhiro Nishijima, Atsushi Sugie
  • Publication number: 20200253855
    Abstract: Provided is a resin-linear organopolysiloxane block copolymer which has a high degree of freedom in formulation due to excellent compatibility with other materials, in addition to exhibiting excellent film forming properties and followability of a film, while the stickiness of a film is suppressed. The resin-linear organopolysiloxane block copolymer has: a resin structure (A1) block that has siloxane units represented by R1SiO3/2 (wherein R1 represents a monovalent organic group, a hydroxyl group, or an alkoxy group having 1 to 6 carbon atoms) and SiO4/2; and a linear structure (A2) block represented by (R2SiO2/2)n (wherein n represents a number of 5 or more while R represents an alkyl group, a fluoroalkyl group, or an aryl group) in each molecule. The resin structure (A1) and the linear structure (A2) are linked to each other by an Si—O—Si bond, and an Si atom bonded to the resin structure (A1) constitutes an RSiO3/2 unit.
    Type: Application
    Filed: October 3, 2017
    Publication date: August 13, 2020
    Inventors: Haruhiko FURUKAWA, John Bernard HORSTMAN, Tomohiro IIMURA, Tadashi OKAWA, Steven SWIER
  • Publication number: 20200131410
    Abstract: A release agent composition for a silicone pressure-sensitive adhesive is disclosed. The composition comprises: (A) an organopolysiloxane represented by a specific average unit formula; (B) an organopolysiloxane having at least two silicon atom-bonded hydrogen atoms in a molecule; and (C) a hydrosilylation reaction catalyst. A release film having a small peeling force with respect to a silicone pressure-sensitive adhesive can be formed with the composition.
    Type: Application
    Filed: June 19, 2018
    Publication date: April 30, 2020
    Inventors: Tadashi OKAWA, Michitaka SUTO, Satoshi ONODERA, Kazuhiro NISHIJIMA, Hidefumi TANAKA, Haruhiko FURUKAWA
  • Patent number: 10618255
    Abstract: A flexible laminate for which increased flexibility and improved durability can coexist, and a flexible display provided with same, are disclosed. The flexible laminate has at least one unit of a laminated structure in which two hard layers closely adhere to each other with at least one intermediate layer therebetween. When the flexible laminate is bent, neutral planes are formed inside each of the hard layers that closely adhere to each other with the intermediate layer therebetween. The flexible laminate satisfies the following expression: a×ln(tan ?×ET/0.01)?100. In the expression, a is any value ranging from 200 to 2,000, tan ? represents a loss factor for a substance configuring the intermediate layer, and ET represents an elastic modulus (MPa) of the substance configuring the intermediate layer.
    Type: Grant
    Filed: April 26, 2017
    Date of Patent: April 14, 2020
    Assignees: Dow Toray Co., Ltd., Dow Silicones Corporation
    Inventors: Hojin Choi, Haruhiko Furukawa, Maki Itoh, Jeonggi Kim, Sunny Kim, Haruna Mizuno, Michitaka Suto, Takeaki Tsuda
  • Patent number: 10604658
    Abstract: An organic silicon compound is disclosed which is represented by a formula: (R13SiO)3SiR2—[SiR32O]y[SiR32]w—R4—R5, wherein each of R1 and R3 is a group independently selected from the group consisting of alkyl groups, alkenyl groups, aryl groups, aralkyl groups and alkoxy groups having 1 to 20 carbon atoms, R2 is a divalent hydrocarbon group or an oxygen atom, R4 is a divalent hydrocarbon group, or a direct bond to a silicon (Si) atom, R5 is a monovalent group represented by (R6O)qR7(3-q)Si or a monovalent hydrocarbon group having 1 to 20 carbon atoms, and each of R6 and R7 is a group independently selected from the group consisting of alkyl groups, alkenyl groups, aryl groups, aralkyl groups and alkoxy groups having 1 to 20 carbon atoms, and q is an integer between 1 and 3, y is an integer between 0 and 200, and w is 0 or 1.
    Type: Grant
    Filed: August 11, 2014
    Date of Patent: March 31, 2020
    Assignee: Dow Toray Co., Ltd.
    Inventors: Haruhiko Furukawa, Makoto Iwai, Kousei Iwakawa, Eiji Kitaura, Kazuhiro Nishijima, Tadashi Okawa
  • Publication number: 20200048416
    Abstract: A silicone resin-linear co-polymer is disclosed. The silicone resin-linear copolymer includes a resinous structure having the general formula (1): (R1R2R3SiO1/2)x(R4SiO3/2)y ??(1) wherein each R1, R2, R3 and R4 is an independently selected substituted or unsubstituted hydrocarbyl group, with the proviso that in one molecular at least two of R1, R2, and R3 are aryl groups; and x and y are each from >0 to <1 such that x+y=1; and a linear structure having the general formula (2): (R5R6SiO2/2) ??(2) wherein R5 and R6 are each independently selected substituted or unsubstituted hydrocarbyl groups. End use applications and related methods of the silicone resin-linear copolymer are also disclosed.
    Type: Application
    Filed: October 4, 2017
    Publication date: February 13, 2020
    Applicants: Dow Silicones Corporation, Dow Corning Toray Co., Ltd.
    Inventors: Haruhiko FURUKAWA, John Bernard HORSTMAN, Tomohiro IIMURA, Tadashi OKAWA, Steven SWIER
  • Publication number: 20200038312
    Abstract: A cosmetic composition and a topical composition containing a resin-linear organopolysiloxane block copolymer are provided, which are excellent in compatibility with other cosmetic raw materials, so as to have a high degree of freedom in formulation design, excellent film forming properties and film following properties, and suppressed tackiness of the film. The resin-linear organopolysiloxane block copolymer contains a resin-linear organopolysiloxane block copolymer (A) having a structure in which a resin structure (A1) block having a siloxane unit represented by R1SiO3/2 (where R1 is a monovalent organic group, a hydroxyl group, or an alkoxy group having 1 to 6 carbon atoms) or by SiO4/2 and a linear structure (A2) block represented by (R2SiO2/2)n (where n is a number of 5 or more, R is an alkyl group, a fluoroalkyl group, or an aryl group) are connected by a Si—O—Si bond and has an R1SiO3/2 unit.
    Type: Application
    Filed: October 3, 2017
    Publication date: February 6, 2020
    Inventors: Haruhiko FURUKAWA, John Bernard HORSTMAN, Tomohiro IIMURA, Tadashi OKAWA, Steven SWIER
  • Publication number: 20200028100
    Abstract: A flexible laminate, in which it is possible to achieve both flexibility and durability, is disclosed. A flexible display using the flexible laminate is also disclosed. The flexible laminate includes one or more units of a laminate structure in which two hard layers interposing one or more intermediate layers therebetween are bonded together as one unit. The intermediate layer has viscoelasticity. When the flexible laminate is bent, a neutral plane is formed in each inner portion of the hard layers that are bonded together to interpose the intermediate layer therebetween.
    Type: Application
    Filed: February 17, 2017
    Publication date: January 23, 2020
    Inventors: Haruhiko FURUKAWA, Maki ITOH, Haruna MIZUNO, Michitaka SUTO, Takeaki TSUDA
  • Publication number: 20190233594
    Abstract: A silicone resin-linear copolymer is disclosed which has a resinous structure (A1) including R1SiO3/2 units, and a linear structure (A2) including repeated R22SiO2/2 units, wherein R1 is a propyl group and each R2 is an independently selected substituted or unsubstituted hydrocarbyl group, and wherein the resinous structure (A1) and the linear structure (A2) are bonded together in the silicone resin-linear copolymer via a siloxane bond.
    Type: Application
    Filed: October 4, 2017
    Publication date: August 1, 2019
    Applicants: DOW SILICONES CORPORATION, DOW CORNING TORAY CO., LTD.
    Inventors: Haruhiko FURUKAWA, John Bernard HORSTMAN, Tomohiro IIMURA, Tadashi OKAWA, Steven SWIER
  • Publication number: 20190231674
    Abstract: Provided is a resin-linear organopolysiloxane block copolymer which has a high degree of freedom in formulation due to excellent compatibility with other materials, in addition to exhibiting excellent film forming properties and followability of a film, while the stickiness of a film is suppressed. The resin-linear organopolysiloxane block copolymer has: a resin structure (A1) block that has siloxane units represented by R1SiO3/2 (wherein R1 represents a monovalent organic group, a hydroxyl group, or an alkoxy group having 1 to 6 carbon atoms) and SiO4/2; and a linear structure (A2) block represented by (R2SiO2/2)n (wherein n represents a number of 5 or more while R represents an alkyl group, a fluoroalkyl group, or an aryl group) in each molecule. The resin structure (A1) and the linear structure (A2) are linked to each other by an Si—O—Si bond, and an Si atom bonded to the resin structure (A1) constitutes an RSiO3/2 unit.
    Type: Application
    Filed: October 3, 2017
    Publication date: August 1, 2019
    Inventors: Haruhiko FURUKAWA, John Bernard HORSTMAN, Tomohiro IIMURA, Tadashi OKAWA, Steven SWIER
  • Patent number: 10336913
    Abstract: The present invention relates to a curable silicone composition comprising: (A) a diorganopolysiloxane having at least two alkenyl groups in a molecule, (B) at least two types of resinous organopolysiloxanes having different mass average molecular weights, (C) an organopolysiloxane having at least two silicon-bonded hydrogen atoms in a molecule, and (D) a hydrosilylation reaction catalyst. The curable silicone composition enables the production of an optical semiconductor device in which the marked viscosity elevation of the resulting composition can be inhibited, in which the fluidity and packing properties are outstanding and that has outstanding gas barrier properties when used as a sealant, and in which the device has outstanding initial optical output efficiency even when organopolysiloxane resin is blended in order to form cured product with moderate hardness and strength.
    Type: Grant
    Filed: August 27, 2014
    Date of Patent: July 2, 2019
    Assignee: DOW CORNING TORAY CO., LTD.
    Inventors: Kazuhiro Nishijima, Tomohiro Iimura, Michitaka Suto, Takashi Sagawa, Haruhiko Furukawa
  • Publication number: 20190134946
    Abstract: A flexible laminate for which increased flexibility and improved durability can coexist, and a flexible display provided with same, are disclosed. The flexible laminate has at least one unit of a laminated structure in which two hard layers closely adhere to each other with at least one intermediate layer therebetween. When the flexible laminate is bent, neutral planes are formed inside each of the hard layers that closely adhere to each other with the intermediate layer therebetween. The flexible laminate satisfies the following expression: a×In (tan ?×ET/0.01)?100. In the expression, a is any value ranging from 200 to 2,000, tan ? represents a loss factor for a substance configuring the intermediate layer, and ET represents an elastic modulus (MPa) of the substance configuring the intermediate layer.
    Type: Application
    Filed: April 26, 2017
    Publication date: May 9, 2019
    Inventors: Hojin CHOI, Haruhiko FURUKAWA, Maki ITOH, Jeonggi KIM, Sunny KIM, Haruna MIZUNO, Michitaka SUTO, Takeaki TSUDA
  • Patent number: 10125242
    Abstract: An organosilicon compound represented by the general formula, a hydrosilylation-curable silicone composition containing the compound as an adhesion promoter, and a semiconductor device having a semiconductor element sealed with a cured product of the composition. To provide a novel organosilicon compound, a curable silicone composition that contains the organosilicon compound as an adhesion promoter, has excellent initial adhesion and adhesion durability to a base material such as an organic resin, and forms a cured product having high light transmittance, and a highly reliable semiconductor device produced using this composition.
    Type: Grant
    Filed: May 28, 2015
    Date of Patent: November 13, 2018
    Assignee: DOW CORNING TORAY CO., LTD.
    Inventors: Tomohiro Iimura, Nohno Toda, Sawako Inagaki, Yusuke Miyamoto, Haruhiko Furukawa
  • Publication number: 20180230172
    Abstract: An organic silicon compound is disclosed which is represented by a formula : (R13SiO)3SiR2-[SiR32O]y[SiR32]w-R4-R5, wherein each of R1 and R3 is a group independently selected from the group consisting of alkyl groups, alkenyl groups, aryl groups, aralkyl groups and alkoxy groups having 1 to 20 carbon atoms, R2 is a divalent hydrocarbon group or an oxygen atom, R4 is a divalent hydrocarbon group, or a direct bond to a silicon (Si) atom, R5 is a monovalent group represented by (R6O)qR7(3-q)Si or a monovalent hydrocarbon group having 1 to 20 carbon atoms, and each of R6 and R7 is a group independently selected from the group consisting of alkyl groups, alkenyl groups, aryl groups, aralkyl groups and alkoxy groups having 1 to 20 carbon atoms, and q is an integer between 1 and 3, y is an integer between 0 and 200, and w is 0 or 1.
    Type: Application
    Filed: August 11, 2014
    Publication date: August 16, 2018
    Inventors: Haruhiko FURUKAWA, Makoto IWAI, Kousei IWAKAWA, Eiji KITAURA, Kazuhiro NISHIJIMA, Tadashi OKAWA
  • Patent number: 10047199
    Abstract: The present invention relates to a copolymer having a specified carbosiloxane dendrimer structure and a long-chain alkyl group with 14 to 22 carbon atoms in a specified ratio, and a cosmetic comprising the copolymer as a cosmetic raw material. The cosmetic raw material has good miscibility with other cosmetic raw materials, and therefore, can improve stability of the formulation in a cosmetic, as well as can provide good water resistance, sebum resistance, glossiness, tactile sensation and/or adhesive properties to the hair and/or skin to a cosmetic, and also provide a cosmetic formed by blending the aforementioned cosmetic raw material, which exhibits superior surface protective properties, outer appearance and/or sensation during use.
    Type: Grant
    Filed: December 22, 2010
    Date of Patent: August 14, 2018
    Assignee: DOW CORNING TORAY CO., LTD.
    Inventors: Tomohiro Iimura, Haruhiko Furukawa