Patents by Inventor Masaaki Yamaya

Masaaki Yamaya 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).

  • Silicone coating compositions and coated articles
    Publication number: 20050244659
    Abstract: A silicone coating composition comprising (A) a silicone resin resulting from (co)hydrolytic condensation of an alkoxysilane or a partial hydrolytic condensate thereof, (B) an aromatic-free compound for curing the silicone resin, and (C) a solvent remains stable during shelf storage. It is applied and heat cured to a plastic substrate to form a protective coat having a high hardness, mar resistance, adhesion, toughness and crack resistance.
    Type: Application
    Filed: April 28, 2005
    Publication date: November 3, 2005
    Inventors: Koichi Higuchi, Masaaki Yamaya
  • Antifouling coating compositions and coated articles
    Publication number: 20050227092
    Abstract: An antifouling coating composition is provided comprising an organosilicon compound having a one end-blocked diorganopolysiloxane group and a condensation-curable silyl group in a common molecule, and optionally a heat-curable compound. The composition is applied and cured to a substrate to form a coat which has an improved surface protective function and durable water repellent and antifouling properties.
    Type: Application
    Filed: April 5, 2005
    Publication date: October 13, 2005
    Applicant: Shin-Etsu Chemical Co., Ltd.
    Inventors: Masaaki Yamaya, Kazuharu Sato
  • Silicone resin compositions and coated articles
    Publication number: 20050158566
    Abstract: To a silicone resin obtained through cohydrolytic condensation of 100 pbw of a mixture of 1-50 Si mol % of tetraalkoxysilane, 50-99 Si mol % of trialkoxysilane and 0-10 Si mol % of dialkoxysilane with less than 100 pbw of water, having a Mn of at least 1,500 and containing 30-80 mol % of R1SiO3/2 units and 20-70 mol % of R1SiO2/2(OX) and R1SiO1/2(OX)2 units combined, a curing catalyst and a solvent are added to formulate a silicone resin composition. It is applied and heat cured to a plastic substrate to form a protective coat having a high hardness and improved properties such as mar resistance, crack resistance, adhesion, water resistance, heat resistance and weathering resistance.
    Type: Application
    Filed: January 13, 2005
    Publication date: July 21, 2005
    Inventors: Koichi Higuchi, Masaaki Yamaya
  • Coating composition, coating method, and coated article
    Patent number: 6855768
    Abstract: A coating composition comprising the reaction product of a benzotriazole compound having a polymerizable vinyl group and a hydroxyl group with a silane compound and/or a (partial) hydrolyzate thereof is applied to plastic substrates, typically polycarbonate resin substrates to form transparent coatings having improved mar, weather and chemical resistance.
    Type: Grant
    Filed: October 28, 2003
    Date of Patent: February 15, 2005
    Assignees: Shin-Etsu Chemical Co., Ltd., Kabushiki Kaisha Toyoda Jidoshokki Seisakusho
    Inventors: Kazuyuki Matsumura, Masaaki Yamaya, Koichi Higuchi, Muneo Kudo, Yoshifumi Kato, Takashi Komori, Toshihisa Shimo
  • Antireflective, mar-resistant multilayer laminate
    Patent number: 6846568
    Abstract: A multilayer laminate is composed of a transparent substrate such as glass, ceramic or plastic on which are applied, in order, a protective layer, a high refractive index layer with a refractive index of at least 1.60, and a low refractive index layer with a refractive index of not more than 1.45, each having a specific resin-based composition. The resulting films, when cured, have an excellent adhesion to the substrate and exhibit outstanding mar resistance and antireflective properties.
    Type: Grant
    Filed: July 16, 2002
    Date of Patent: January 25, 2005
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Masaaki Yamaya, Kazuharu Sato
  • Organosilicon compound - curing composition and silicone-base coating composition
    Publication number: 20040260048
    Abstract: A curing composition comprising (A) a silane compound having formula: R12Si(OR2)2 wherein R1 is C1-C3 alkyl, C2-C3 alkenyl or phenyl, and R2 is C1-C3 alkyl, C2-C3 acyl or C3-C5 alkoxyalkyl and (B) phosphoric acid is added to an organosilicon compound to formulate a silicone-base coating composition which remains shelf stable and quickly cures at room temperature after being applied to a substrate, to form a cured coating having transparency, surface hardness, adhesion and the like. A silicone-base coating composition having the curing composition formulated therein is effective as a solventless, RTV silicone coating composition of one part type.
    Type: Application
    Filed: June 17, 2004
    Publication date: December 23, 2004
    Inventors: Akinari Itagaki, Masahiro Yoshizawa, Masaaki Yamaya
  • Spherical silica-titania-based fine particles surface-treated with silane, production process therefor, and external additive for electrostatically charged image developing toner using same
    Publication number: 20040229040
    Abstract: Spherical silica-titania-based fine particles surface-treated with silane are provided. The fine particles have a titanium atom content of 0.001 to 5% by weight, a frictional electrification with iron powder of −100 to −300 &mgr;C/g, a bulk density of 0.2 to 0.4 g/ml, and a particle diameter of 0.01 to 5 &mgr;m. The particles are useful as a material for an external additive for an electrostatically charged image developing toner. The toner is unlikely to cause degeneration or scratching of organic photoreceptors, displays excellent dispersibility and favorable flowability and consequently does not cause adhesion to the photoreceptor.
    Type: Application
    Filed: April 22, 2004
    Publication date: November 18, 2004
    Inventors: Muneo Kudo, Masaaki Yamaya
  • Addition curing type silicone resin composition
    Patent number: 6815520
    Abstract: An addition curing type silicone resin composition is provided including (A) 100 parts by weight of a specific organopolysiloxane with a phenyl group and at least two alkenyl groups within each molecule, (B) 1 to 100 parts by weight of a specific organohydrogenpolysiloxane with a phenyl group and at least two SiH groups within each molecule, and (C) an effective quantity of a hydrosilylation reaction catalyst. A cured product obtained by curing this composition is transparent, displays good strength and particularly good flexural strength, and moreover also displays a high degree of hardness. The composition is applicable to a variety of fields including electrical and electronic equipment, OA equipment and precision instruments.
    Type: Grant
    Filed: March 6, 2002
    Date of Patent: November 9, 2004
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Yoshinori Yoneda, Masaaki Yamaya, Akinari Itagaki
  • Protective coat-forming coating composition, coated article, and multilayer laminate
    Publication number: 20040209084
    Abstract: A coating composition primarily comprising a disilane compound of the formula (A):
    Type: Application
    Filed: April 15, 2004
    Publication date: October 21, 2004
    Inventors: Masaaki Yamaya, Kazuharu Sato, Muneo Kudo
  • Organosilicon compounds and preparation processes
    Patent number: 6759545
    Abstract: Organosilicon compounds having an organooxysilyl group at one end and a monovalent hydrocarbon group at the other end of the molecule and containing a polysulfide group and organosilicon compounds having organooxysilyl groups at both ends of the molecule and containing a divalent hydrocarbon group flanked with polysulfide groups at a center thereof are useful as a compounding additive to inorganic-organic composite materials and a surface treating agent for fillers, Processes capable of effective preparation of these organosilicon compounds are also provided.
    Type: Grant
    Filed: April 4, 2002
    Date of Patent: July 6, 2004
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Hideyoshi Yanagisawa, Masaaki Yamaya
  • Coating composition, coating method, and coated article
    Publication number: 20040087711
    Abstract: A coating composition comprising the reaction product of a benzotriazole compound having a polymerizable vinyl group and a hydroxyl group with a silane compound and/or a (partial) hydrolyzate thereof is applied to plastic substrates, typically polycarbonate resin substrates to form transparent coatings having improved mar, weather and chemical resistance.
    Type: Application
    Filed: October 28, 2003
    Publication date: May 6, 2004
    Applicants: Shin-Etsu Chemical Co., Ltd., K.K. Toyoda Jidoshokki Seisa Kusho
    Inventors: Kazuyuki Matsumura, Masaaki Yamaya, Koichi Higuchi, Muneo Kudo, Yoshifumi Kato, Takashi Komori, Toshihisa Shimo
  • Flame retardant aromatic polycarbonate resin composition and molded articles thereof
    Patent number: 6727303
    Abstract: A flame retardant aromatic polycarbonate resin composition comprising: (1) 100 parts by weight of resin components comprising 50 to 100 wt % of an aromatic polycarbonate resin (component A-1), 0 to 50 wt % of a styrene-based resin (component A-2) and 0 to 50 wt % of an aromatic polyester resin (component A-3); and (2) 0.1 to 10 parts by weight of a silicone compound (component B) which contains an Si—H group and an aromatic group in the molecule based on 100 parts by weight of the total of the resin components, wherein the silicone compound is at least one selected from silicone compounds which have (1) an Si—H group content (Si—H content) of 0.1 to 1.
    Type: Grant
    Filed: August 28, 2002
    Date of Patent: April 27, 2004
    Assignee: Teijin Chemicals, Ltd.
    Inventors: Tetsushi Ono, Akinari Itagaki, Masaaki Yamaya, Yoshiteru Kobayashi
  • Primer composition, coating method, and coated article
    Publication number: 20040071998
    Abstract: A primer composition comprises (A) a vinyl copolymer obtained through copolymerization of (a-1) a UV-absorbing vinyl monomer, (a-2) an alkoxysilyl group-containing vinyl monomer, and (a-3) another copolymerizable monomer, (B) a curing agent, and (C) a thermoplastic vinyl resin having a Tg of at least 80° C. Polycarbonate resin articles, when covered with an undercoat of the primer composition and an overcoat of an organopolysiloxane composition, exhibit improved transparency, mar resistance, weather resistance, and chemical resistance and find outdoor use as vehicle and building windows and windshields.
    Type: Application
    Filed: October 8, 2003
    Publication date: April 15, 2004
    Inventors: Koichi Higuchi, Masahiro Furuya, Masaaki Yamaya
  • Antireflection film and making method
    Publication number: 20040058177
    Abstract: A high refractive index layer of a cured first coating composition comprising (A) metal oxide fine particles selected from among titanium oxide, aluminum oxide, zirconium oxide, cerium oxide, iron oxide, tin oxide, and compound oxides thereof and (B) a compound having an acrylic, methacrylic, vinyl or styryl group, and a low refractive index layer of a cured second coating composition comprising (D) voided silica-base inorganic oxide fine particles and (C) a compound having at least two epoxy and/or oxetane groups are successively stacked on a substrate to form an antireflection film.
    Type: Application
    Filed: September 24, 2003
    Publication date: March 25, 2004
    Applicant: Shin-Etsu Chemical Co., Ltd.
    Inventors: Yuji Yoshikawa, Masaaki Yamaya
  • Flame retardant resin compositions and molded articles
    Patent number: 6706825
    Abstract: A flame retardant resin composition is provided comprising (A) 100 pbw of a resin comprising 10-100% by weight of an aromatic polycarbonate resin and 90-0% by weight of another thermoplastic resin, (B) 0.1-9.9 pbw of an organopolysiloxane containing silicon atom-bonded phenyl groups, and (C) 0.1-9.9 pbw of an organopolysiloxane containing silicon atom-bonded methyl groups and Si—H groups and free of an aromatic hydrocarbon group. The composition has satisfactory flame retardant effects and safety and minimal environmental load features, and molded articles can be effectively produced therefrom.
    Type: Grant
    Filed: March 4, 2003
    Date of Patent: March 16, 2004
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Akinari Itagaki, Masaaki Yamaya
  • Highly dielectric addition type curable compositions
    Patent number: 6699956
    Abstract: A highly dielectric addition type curable composition is provided comprising (A) an organopolysiloxane containing a cyanoalkyl group and a monovalent hydrocarbon group having an aliphatic unsaturated bond, (B) an organohydrogenpolysiloxane containing a cyanoalkyl group, and (C) a platinum group metal catalyst. The composition is easy to handle because of liquid despite solvent-free, less hygroscopic and effectively curable, and has a film-forming ability. The cured composition has excellent dielectric properties as demonstrated by a large dielectric constant and a low dielectric loss.
    Type: Grant
    Filed: March 14, 2002
    Date of Patent: March 2, 2004
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Muneo Kudo, Masaaki Yamaya
  • Hard protective coat-forming coating compositions and optical articles
    Patent number: 6696515
    Abstract: A coating composition comprising (1) a partial condensate obtained by subjecting a silane compound of RmSiX4−m to hydrolysis and partial condensation with a sufficient amount of water to meet a molar ratio: 1.2≦H2O/Si—X≦10, (2) a vinyl polymer having UV absorbing groups and hydrophilic groups which is dissolvable or dispersible in a water-containing hydrophilic solvent, and (3) a hydrophilic organic solvent can form a hard protective coat having improved weather resistance.
    Type: Grant
    Filed: January 2, 2003
    Date of Patent: February 24, 2004
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Masaaki Yamaya, Masahiro Furuya, Koichi Higuchi
  • Coating composition, coating method, and coated article
    Patent number: 6677047
    Abstract: A coating composition comprising the reaction product of a benzotriazole compound having a polymerizable vinyl group and a hydroxyl group with a silane compound and/or a (partial) hydrolyzate thereof is applied to plastic substrates, typically polycarbonate resin substrates to form transparent coatings having improved mar, weather and chemical resistance.
    Type: Grant
    Filed: February 2, 2001
    Date of Patent: January 13, 2004
    Assignees: Shin-Etsu Chemical Co., Ltd., Kabushiki Kaisha Toyoda Jidoshokki SeisaKusho
    Inventors: Kazuyuki Matsumura, Masaaki Yamaya, Koichi Higuchi, Muneo Kudo, Yoshifumi Kato, Takashi Komori, Toshihisa Shimo
  • Coating composition, coating method, and coated article
    Patent number: 6676740
    Abstract: A coating composition comprising (A) 100 parts by weight of an organosilicon compound having a hydrolyzable group-bearing silyl group, and (B) 0.1-50 parts by weight of a hydrolytic condensate of a reaction product and/or a mixture of a &bgr;-diketone with a mixture (b-1) of a titanium tetraalkoxide and an alkoxide of Zr, Fe, Al, Zn, In, Cu, Si, Sn, W or Mg. The coating composition is applied to plastic articles, especially of polycarbonate, to endow them with superior transparency, mar resistance, weather resistance, and chemical resistance. The coated articles find use in outdoor applications as windows and windshields on vehicles and building windows.
    Type: Grant
    Filed: June 8, 2001
    Date of Patent: January 13, 2004
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Kazuyuki Matsumura, Masaaki Yamaya, Koichi Higuchi
  • Hardcoat compositions and hardcoated articles
    Publication number: 20030236347
    Abstract: A hardcoat composition comprising (A) a hydrolytic condensate of a hydrolyzable silicon compound of formula: R1aSiX(4-a) with at least 1 mole of water per mole of hydrolyzable group X, (B) a metal oxide, (C) a siloxane resin of formula: R2bSi(OR3)c(OH)dO(4-b-c-d)/2 and having a Mw of at least 2,000, which is solid at a temperature of not higher than 40° C., and (D) a curing catalyst forms a hardcoat film having satisfactory hardness, transparency and adhesion as well as improved weather resistance and presenting a surface that is repellent to marker ink.
    Type: Application
    Filed: June 16, 2003
    Publication date: December 25, 2003
    Inventors: Masahiro Furuya, Koichi Higuchi, Kazuharu Sato, Kazuyuki Matsumura, Masaaki Yamaya