Patents by Inventor Takahide Okuyama
Takahide Okuyama 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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Patent number: 9573091Abstract: A decorative sheet includes a decorative base layer; an adhesive layer disposed on a surface of the decorative base layer; and an odor absorbing scuff resistant layer disposed on an opposing surface of the base layer from the adhesive layer. The odor absorbing scuff resistant layer includes an odor absorbing agent and silicone-acrylic particles. The decorative sheet maintains odor absorbing properties while being resistant to scuffs and scratches.Type: GrantFiled: August 31, 2012Date of Patent: February 21, 2017Assignee: 3M Innovative Properties CompanyInventor: Takahide Okuyama
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Publication number: 20140165844Abstract: A decorative sheet includes a decorative base layer; an adhesive layer disposed on a surface of the decorative base layer; and an odor absorbing scuff resistant layer disposed on an opposing surface of the base layer from the adhesive layer. The odor absorbing scuff resistant layer includes an odor absorbing agent and silicone-acrylic particles. The decorative sheet maintains odor absorbing properties while being resistant to scuffs and scratches.Type: ApplicationFiled: August 31, 2012Publication date: June 19, 2014Applicant: 3M INNOVATIVE PROPERTIES COMPANYInventor: Takahide Okuyama
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Patent number: 7691948Abstract: To provide a film having high tensile strength and elongation characteristics. A methacrylic film formed of (A) a carboxyl group-containing (meth)acrylic polymer having a glass transition temperature (Tg) of 0° C. or higher and a weight-average molecular weight of 10,000 or more obtained by copolymerizing a composition containing a monoethylenically unsaturated monomer as a main component and an unsaturated monomer having a carboxyl group, and (B) an amino group-containing (meth)acrylic polymer having a glass transition temperature (Tg) of 0° C. or lower and a weight-average molecular weight of 10,000 or more obtained by copolymerizing a composition containing a monoethylenically unsaturated monomer as a main component and an unsaturated monomer having an amino group, wherein a mixing ratio of the component (A) to the component (B) is from 10:90 to 90:10 in terms of a weight ratio.Type: GrantFiled: September 9, 2004Date of Patent: April 6, 2010Assignee: 3M Innovative Properties CompanyInventors: Yorinobu Takamatsu, Hidetoshi Abe, Takahide Okuyama, Yutaka Mori
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Patent number: 7199183Abstract: There is provided a primer composition capable of effectively enhancing anti-plasticizer property and water resistance even without curing of the primer layer, and a bonded structure. A primer composition forms a primer layer, containing a polymer, of a paint film formed by painting and drying on a surface to be painted; and a bonded structure includes: a base material, a primer layer containing a polymer sticking fast to the base material, and an adhesive sheet having an adhesive layer stuck fast to the primer layer. The polymer contains a polycarbonate polyurethane having a repeated unit derived from polycarbonate polyol in a molecule thereof.Type: GrantFiled: May 28, 2003Date of Patent: April 3, 2007Assignee: 3M Innovative Properties CompanyInventors: Takahide Okuyama, Takeshi Koyama
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Publication number: 20070059493Abstract: To provide a wet-slip resistant sheet which can be suitably connected with other wet-slip resistant sheet while satisfying the wet-slip resistance property. A wet-slip resistant sheet comprising: a substrate having a surface and a back face opposing to said surface, and anti-skid parts and flat parts, which are preferably in the lattice or stripe form, provided on said surface of the substrate, wherein each of said anti-skid parts is separated by said flat parts.Type: ApplicationFiled: June 1, 2004Publication date: March 15, 2007Applicant: 3M INNOVATIVE PROPERTIES COMPANYInventor: Takahide Okuyama
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Publication number: 20060234076Abstract: To provide a film having high tensile strength and elongation characteristics. A methacrylic film formed of (A) a carboxyl group-containing (meth)acrylic polymer having a glass transition temperature (Tg) of 0° C. or higher and a weight-average molecular weight of 10,000 or more obtained by copolymerizing a composition containing a monoethylenically unsaturated monomer as a main component and an unsaturated monomer having a carboxyl group, and (B) an amino group-containing (meth)acrylic polymer having a glass transition temperature (Tg) of 0° C. or lower and a weight-average molecular weight of 10,000 or more obtained by copolymerizing a composition containing a monoethylenically unsaturated monomer as a main component and an unsaturated monomer having an amino group, wherein a mixing ratio of the component (A) to the component (B) is from 10:90 to 90:10 in terms of a weight ratio.Type: ApplicationFiled: September 9, 2004Publication date: October 19, 2006Inventors: Yorinobu Takamatsu, Hidetoshi Abe, Takahide Okuyama, Yutaka Mori
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Publication number: 20050245674Abstract: There is provided a primer composition capable of effectively enhancing anti-plasticizer property and water resistance even without curing of the primer layer, and a bonded structure. A primer composition forms a primer layer, containing a polymer, of a paint film formed by painting and drying on a surface to be painted; and a bonded structure includes: a base material, a primer layer containing a polymer sticking fast to the base material, and an adhesive sheet having an adhesive layer stuck fast to the primer layer. The polymer contains a polycarbonate polyurethane having a repeated unit derived from polycarbonate polyol in a molecule thereof.Type: ApplicationFiled: May 28, 2003Publication date: November 3, 2005Applicant: 3M INNOVATIVE PROPERTIES COMPANYInventors: Takahide Okuyama, Takeshi Koyama
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Publication number: 20040146706Abstract: To provide an adhesive film having a high durability. A protective film comprising a cured resin and a filler dispersed in said cured resin, wherein said filler is composed of ceramic particles made of a composition containing alumina and zirconia, and said zirconia has mainly a tetragonal crystal form and is dispersed in said ceramic particles.Type: ApplicationFiled: November 7, 2003Publication date: July 29, 2004Inventors: Toshihiro Kasai, Takahide Okuyama, Toshinori Naruse
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Patent number: 6767630Abstract: An adhesive sheet is provided comprising a base layer, a protective layer disposed on the front surface of the base layer, and an adhesive layer disposed on the back surface of the base layer. The protective layer comprises a surface modifier for modifying the surface of the protective layer, a cured resin and inorganic oxide particles, and the adhesive sheet further comprises a cushion layer comprising an elastomer, disposed between the base layer and the protective layer. This adhesive sheet is suitable for use as a flooring adhesive sheet having high abrasion resistance.Type: GrantFiled: September 5, 2002Date of Patent: July 27, 2004Assignee: 3M Innovative Properties CompanyInventor: Takahide Okuyama
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Patent number: 6753065Abstract: A wet-slip resistant sheet comprises a substrate having a front surface, a back surface and a plurality of tapered protrusions, one end of each of which is bonded to the front surface of the substrate. The tapered protrusions are regularly arranged on the front surface of the substrate with a repeating pattern and each of said protrusions is surrounded with grooves which intersect each other. The wet-slip resistant sheet provides good wet-slip resistance and exhibits good clean recovery properties, and the BPN value of the sheet can be easily controlled.Type: GrantFiled: July 17, 2002Date of Patent: June 22, 2004Assignee: 3M Innovative Properties CompanyInventor: Takahide Okuyama
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Publication number: 20040067329Abstract: To provide an adhesive sheet for image protection, which can be readily attached for protection of images on the media from abrasive wear, and which prevents coloration of visible images therethrough over a long period, due to its resistance to coloration. A transparent adhesive sheet for protection of adherend having images, the adhesive sheet comprising a base layer, a protective layer disposed on the front surface of the base layer and an adhesive layer disposed on the back surface of the base layer, wherein the protective layer comprises, at least as its top layer, a layer containing a cured resin and rigid beads dispersed in the cured resin, and the adhesive layer contains a self-adherent polymer crosslinked with a non-yellowing crosslinking agent.Type: ApplicationFiled: July 8, 2003Publication date: April 8, 2004Inventor: Takahide Okuyama
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Publication number: 20030044600Abstract: An adhesive sheet is provided comprising a base layer, a protective layer disposed on the front surface of the base layer, and an adhesive layer disposed on the back surface of the base layer. The protective layer comprises a surface modifier for modifying the surface of the protective layer, a cured resin and inorganic oxide particles, and the adhesive sheet further comprises a cushion layer comprising an elastomer, disposed between the base layer and the protective layer. ThIS adhesive sheet is suitable for use as a flooring adhesive sheet having high abrasion resistance.Type: ApplicationFiled: September 5, 2002Publication date: March 6, 2003Inventor: Takahide Okuyama
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Publication number: 20030026951Abstract: A wet-slip resistant sheet comprises a substrate having a front surface, a back surface and a plurality of tapered protrusions, one end of each of which is bonded to the front surface of the substrate. The tapered protrusions are regularly arranged on the front surface of the substrate with a repeating pattern and each of said protrusions is surrounded with grooves which intersect each other. The wet-slip resistant sheet provides good wet-slip resistance and exhibits good clean recovery properties, and the BPN value of the sheet can be easily controlled.Type: ApplicationFiled: July 17, 2002Publication date: February 6, 2003Applicant: 3M Innovative Properties CompanyInventor: Takahide Okuyama