Patents by Inventor Takafumi Hida
Takafumi Hida 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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Publication number: 20210079275Abstract: Provided is a hot melt adhesive sheet comprising a hot melt adhesive that comprises a styrene-based block copolymer and a tackifier, in which the styrene-based block copolymer comprises a hard segment composed of a polystyrene block and a soft segment composed of a constituent unit derived from propylene.Type: ApplicationFiled: February 20, 2019Publication date: March 18, 2021Applicants: Nitto Shinko Corporation, NITTO DENKO CORPORATIONInventors: Kayoko Sasaki, Takafumi Hida, Shota Tanaka
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Patent number: 10898988Abstract: Provided is a masking tape for a shot peening process, including: a substrate having a first surface and a second surface; and a pressure-sensitive adhesive layer disposed on the first surface of the substrate. The masking tape has a breaking strength of 55 N/15 mm or more and exhibits an impact absorption rate of 20% or more in a falling ball impact test. Further, the masking tape has a displacement distance of 2 mm or less after 1 h from an initial position in a holding power test at 40° C. which is performed by applying a load of 500 g.Type: GrantFiled: January 10, 2017Date of Patent: January 26, 2021Assignee: NITTO DENKO CORPORATIONInventors: Takafumi Hida, Kazuhiro Kitayama, Shu Sasaki
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Publication number: 20190039208Abstract: Provided is a masking tape for a shot peening process, including: a substrate having a first surface and a second surface; and a pressure-sensitive adhesive layer disposed on the first surface of the substrate. The masking tape has a breaking strength of 55 N/15 mm or more and exhibits an impact absorption rate of 20% or more in a falling ball impact test. Further, the masking tape has a displacement distance of 2 mm or less after 1 h from an initial position in a holding power test at 40° C. which is performed by applying a load of 500 g.Type: ApplicationFiled: January 10, 2017Publication date: February 7, 2019Applicant: NITTO DENKO CORPORATIONInventors: Takafumi HIDA, Kazuhiro KITAYAMA, Shu SASAKI
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Publication number: 20170306185Abstract: Provided is a masking sheet for anodizing, the masking sheet comprising a substrate having first and second faces, and a PSA layer placed on the first face side of the substrate. Here, the substrate is a non-metal substrate. The elastic modulus Et? of the masking sheet and the thickness Hs of the substrate satisfy the next relation 0.7 N/mm<Et?·Hs3.Type: ApplicationFiled: October 1, 2015Publication date: October 26, 2017Applicant: NITTO DENKO CORPORATIONInventors: Kosuke MORITA, Shuuhei YAMAMOTO, Takafumi HIDA, Shigeki MUTA, Kiichiro MATSUSHITA
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Publication number: 20170292042Abstract: Provided is a masking sheet for chemical solution treatment, the masking sheet comprising a substrate having first and second faces, and a PSA layer placed on the first face side of the substrate. The masking sheet is constituted so that penetration of a chemical solution is visually detectable when inspected from the outer face of the masking sheet.Type: ApplicationFiled: October 1, 2015Publication date: October 12, 2017Applicant: NITTO DENKO CORPORATIONInventors: Kosuke MORITA, Shuuhei YAMAMOTO, Takafumi HIDA, Shigeki MUTA, Kiichiro MATSUSHITA
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Patent number: 9707742Abstract: There is provided a flame-resistant composite member exhibiting remarkably high flame resistance even if having a flammable base material. The flame-resistant composite member according to the present invention has a film formed of a silicone resin composition (C) containing at least an inorganic oxide particle-containing condensation-reactive silicone resin on at least one surface of a base material. The inorganic oxide particle-containing condensation-reactive silicone resin may be a condensation-reactive silicone resin (A) including a crosslinked structural body wherein an inorganic oxide particle dispersed in a polysiloxane resin having a condensation-reactive group and the polysiloxane resin are crosslinked through a chemical bond. The silicone resin composition (C) may contain the condensation-reactive silicone resin (A) and an inorganic particle (B).Type: GrantFiled: November 13, 2012Date of Patent: July 18, 2017Assignee: NITTO DENKO CORPORATIONInventors: Kohei Doi, Kunio Nagasaki, Yusuke Sugino, Takafumi Hida, Yusuke Nakayama, Keisuke Hirano
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Patent number: 9382402Abstract: The flame-retardant silicone resin composition of the present invention comprises: an inorganic oxide particle-containing condensation-reactive silicone resin (A) comprising a crosslinking structure in which inorganic oxide particles dispersed in a polysiloxane resin having a condensation-reactive group are crosslinked with the polysiloxane resin by chemical bonds; and inorganic particles (B). The inorganic oxide particles are preferably at least one type of inorganic oxide particles selected from the group consisting of silica, alumina, glass frit, and antimony-doped tin oxide.Type: GrantFiled: April 9, 2013Date of Patent: July 5, 2016Assignee: NITTO DENKO CORPORATIONInventors: Kohei Doi, Kunio Nagasaki, Yusuke Sugino, Takafumi Hida, Yusuke Nakayama, Keisuke Hirano
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Publication number: 20150299529Abstract: Provided is technical means for making various base materials non-combustible to improve fire resistance, the technical means being capable of imparting sufficiently high fire resistance, which meets the accreditation criteria for a fire-proof material under the Building Standard Law to the extent possible, to the various base materials with ease at low cost. Also provided is a fire-resistant construction material having sufficiently high fire resistance, which meets the accreditation criteria for a fire-proof material under the Building Standard Law to the extent possible, with ease at low cost. A fire-resistant pressure-sensitive adhesive tape of the present invention is a fire-resistant pressure-sensitive adhesive tape, including: a fire-resistant layer; and a pressure-sensitive adhesive layer, in which the fire-resistant layer includes aluminum.Type: ApplicationFiled: March 7, 2013Publication date: October 22, 2015Applicant: NITTO DENKO CORPORATIONInventors: Kohei DOI, Kunio NAGASAKI, Yusuke SUGINO, Takafumi HIDA, Yusuke NAKAYAMA
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Patent number: 9153761Abstract: The present invention provides a thermally-conductive sheet excellent in heat dissipation properties. The thermally-conductive sheet includes a polymer matrix and a thermally-conductive filler dispersed in the polymer matrix. The present invention is a thermally-conductive sheet including a polymer matrix and non-spherical particles of a thermally-conductive filler that are dispersed in the polymer matrix. At least a part of the thermally-conductive filler particles are oriented in a thickness direction of the sheet.Type: GrantFiled: October 3, 2012Date of Patent: October 6, 2015Assignee: Nitto Denko CorporationInventors: Yoshinari Takayama, Takafumi Hida, Daisuke Kitagawa, Kenichi Tagawa, Kunio Nagasaki, Ryoichi Matsushima, Susumu Kiyohara, Toshio Uota
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Publication number: 20150062896Abstract: The flame-retardant silicone resin composition of the present invention comprises: an inorganic oxide particle-containing condensation-reactive silicone resin (A) comprising a crosslinking structure in which inorganic oxide particles dispersed in a polysiloxane resin having a condensation-reactive group are crosslinked with the polysiloxane resin by chemical bonds; and inorganic particles (B). The inorganic oxide particles are preferably at least one type of inorganic oxide particles selected from the group consisting of silica, alumina, glass frit, and antimony-doped tin oxide.Type: ApplicationFiled: April 9, 2013Publication date: March 5, 2015Applicant: NITTO DENKO CORPORATIONInventors: Kohei Doi, Kunio Nagasaki, Yusuke Sugino, Takafumi Hida, Yusuke Nakayama, Keisuke Hirano
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Publication number: 20140301090Abstract: There is provided a flame-resistant composite member exhibiting remarkably high flame resistance even if having a flammable base material. The flame-resistant composite member according to the present invention has a film formed of a silicone resin composition (C) containing at least an inorganic oxide particle-containing condensation-reactive silicone resin on at least one surface of a base material. The inorganic oxide particle-containing condensation-reactive silicone resin may be a condensation-reactive silicone resin (A) including a crosslinked structural body wherein an inorganic oxide particle dispersed in a polysiloxane resin having a condensation-reactive group and the polysiloxane resin are crosslinked through a chemical bond. The silicone resin composition (C) may contain the condensation-reactive silicone resin (A) and an inorganic particle (B).Type: ApplicationFiled: November 13, 2012Publication date: October 9, 2014Inventors: Kohei Doi, Kunio Nagasaki, Yusuke Sugino, Takafumi Hida, Yusuke Nakayama, Keisuke Hirano
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Publication number: 20140252404Abstract: The present invention provides a thermally-conductive sheet excellent in heat dissipation properties. The thermally-conductive sheet includes a polymer matrix and a thermally-conductive filler dispersed in the polymer matrix. The present invention is a thermally-conductive sheet including a polymer matrix and non-spherical particles of a thermally-conductive filler that are dispersed in the polymer matrix. At least a part of the thermally-conductive filler particles are oriented in a thickness direction of the sheet.Type: ApplicationFiled: October 3, 2012Publication date: September 11, 2014Inventors: Yoshinari Takayama, Takafumi Hida, Daisuke Kitagawa, Kenichi Tagawa, Kunio Nagasaki, Ryoichi Matsushima, Susumu Kiyohara, Toshio Uota
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Publication number: 20140135417Abstract: Provided is a transparent pressure-sensitive adhesive agent convertible into an adhesive agent that allows adherends to be instantly fixed to each other, allows the adherends to be reattached to each other, is excellent in processability such as being able to be cut into a sheet shape, is not peeled from the adherends even when exposed to a high-temperature atmosphere such as one in a fire, and has such transparency as to hardly impair the designs of the adherends. The transparent pressure-sensitive adhesive agent convertible into an adhesive agent has pressure-sensitive adhesive property before being sintered, and has adhesive property after being sintered.Type: ApplicationFiled: July 13, 2012Publication date: May 15, 2014Applicant: NITTO DENKO CORPORATIONInventors: Yusuke Sugino, Kunio Nagasaki, Kohei Doi, Takafumi Hida, Yusuke Nakayama
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Publication number: 20140004331Abstract: Provided is a shatterproofing member including a pressure-sensitive adhesive layer convertible into an adhesive layer, which allows adherends to be instantly fixed to each other, allows the adherends to be reattached to each other, is excellent in processability such as being able to be cut into a sheet shape, is not peeled from the adherends even when exposed to a high-temperature atmosphere such as one in a fire, and can express shatterproof property when attached to an adherend that is broken by combustion such as glass even if exposed to combustion during a fire or the like. The shatterproofing member including a pressure-sensitive adhesive layer convertible into an adhesive layer includes: a pressure-sensitive adhesive layer convertible into an adhesive layer; and a flame-resistant material, in which the pressure-sensitive adhesive layer convertible into an adhesive layer has pressure-sensitive adhesive property before being sintered, and has adhesive property after being sintered.Type: ApplicationFiled: March 9, 2012Publication date: January 2, 2014Applicant: NITTO DENKO CORPORATIONInventors: Takafumi Hida, Kunio Nagasaki, Yusuke Sugino, Kohei Doi, Yusuke Nakayama
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Publication number: 20130309487Abstract: Provided is a pressure-sensitive adhesive agent convertible into an adhesive agent, which allows adherends to be instantly fixed to each other, allows the adherends to be reattached to each other, is excellent in processability such as being able to be cut into a sheet shape, and is not peeled from the adherends even when exposed to a high-temperature atmosphere such as one in a fire. The pressure-sensitive adhesive agent convertible into an adhesive agent has pressure-sensitive adhesive property before being sintered, and has adhesive property after being sintered.Type: ApplicationFiled: February 3, 2012Publication date: November 21, 2013Applicant: NITTO DENKO CORPORATIONInventors: Yusuke Sugino, Kunio Nagasaki, Kohei Doi, Takafumi Hida, Yusuke Nakayama
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Publication number: 20130309482Abstract: Provided is a flame-retardant member having thermal functionality, flexibility, and a high level of flame retardancy. The thermally functional flame-retardant polymer member includes a polymer layer (B), a flame-retardant layer (A), and a thermally functional layer (L) in the stated order, in which the flame-retardant layer (A) includes a layer containing a layered inorganic compound (f) in a polymer.Type: ApplicationFiled: June 16, 2011Publication date: November 21, 2013Applicant: NITTO DENKO CORPORATIONInventors: Yusuke Sugino, Kunio Nagasaki, Kohei Doi, Takafumi Hida
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Publication number: 20130251987Abstract: Provided is a member which is excellent in transparency and flexibility, and can impart a resistance to cigarette burns to various adherends by being attached to the various adherends. Specifically provided is a polymer member with a resistance to cigarette burns, including a polymer layer, in which: the polymer layer contains a layered inorganic compound (f) in a polymer (X); and the polymer (X) contains a cross-linked polymer.Type: ApplicationFiled: December 2, 2011Publication date: September 26, 2013Applicant: NITTO DENKO CORPORATIONInventors: Yusuke Sugino, Kunio Nagasaki, Kohei Doi, Takafumi Hida, Yusuke Nakayama
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Publication number: 20130210303Abstract: Provided is a flame-retardant member having transparency, flexibility, and a high level of flame retardancy. A highly flame-retardant polymer member of the present invention is a highly flame-retardant polymer member including a polymer layer (B), an inorganic base material (L), and a flame-retardant layer (A) in the stated order, in which the flame-retardant layer (A) is a layer containing a layered inorganic compound (f) in a polymer.Type: ApplicationFiled: October 13, 2011Publication date: August 15, 2013Applicant: NITTO DENKO CORPORATIONInventors: Kohei Doi, Kunio Nagasaki, Yusuke Sugino, Takafumi Hida
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Publication number: 20130196150Abstract: Provided is a flame-retardant member having physical functionality or chemical functionality, flexibility, and a high level of flame retardancy. The physically functional flame-retardant polymer member includes a polymer layer (B), a flame-retardant layer (A), and a physically functional layer (L) in the stated order, in which the flame-retardant layer (A) includes a layer containing a layered inorganic compound (f) in a polymer. The chemically functional flame-retardant polymer member includes a polymer layer (B), a flame-retardant layer (A), and a chemically functional layer (L) in the stated order, in which the flame-retardant layer (A) includes a layer containing a layered inorganic compound (f) in a polymer.Type: ApplicationFiled: June 17, 2011Publication date: August 1, 2013Applicant: NITTO DENKO CORPORATIONInventors: Yusuke Sugino, Kunio Nagasaki, Kohei Doi, Takafumi Hida, Atsushi Takashima, Asami Kubo
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Publication number: 20130189516Abstract: The present invention aims to provide a flame-retardant member having environment-resistant functionality or hygienic functionality, flexibility, and a high degree of flame retardancy. An environment-resistant functional flame-retardant polymer member of the present invention is an environment-resistant functional flame-retardant polymer member including a polymer layer (B), a flame-retardant layer (A), and an environment-resistant functional layer (L) in the stated order, in which the flame-retardant layer (A) is a layer containing a layered inorganic compound (f) in a polymer. A hygienic functional flame-retardant polymer member of the present invention is a hygienic functional flame-retardant polymer member including a polymer layer (B), a flame-retardant layer (A), and a hygienic functional layer (L) in the stated order, in which the flame-retardant layer (A) is a layer containing a layered inorganic compound (f) in a polymer.Type: ApplicationFiled: June 17, 2011Publication date: July 25, 2013Applicant: NITTO DENKO CORPORATIONInventors: Yusuke Sugino, Kunio Nagasaki, Kohei Doi, Takafumi Hida