Patents by Inventor Naoyuki Nagatani
Naoyuki Nagatani 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: 10647912Abstract: A carbon-coated vanadium dioxide particle includes a vanadium dioxide particle; and a coating layer containing amorphous carbon on a surface of the vanadium dioxide particle, the amorphous carbon being derived from carbon contained in an oxazine resin, and having a peak intensity ratio of a G band to a band of 1.5 or greater as determined from a Raman spectrum. The coating layer has an average thickness of 50 nm or less. The coating layer has a coefficient of variation (CV value) of thickness of 7% or less.Type: GrantFiled: March 22, 2017Date of Patent: May 12, 2020Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Ren-de Sun, Shoji Nozato, Akira Nakasuga, Masanori Nakamura, Naoyuki Nagatani, Keigo Oowashi
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Patent number: 10207473Abstract: A thermally conductive foam sheet for electronic equipment according to the present invention is a sheet-shaped foam sheet comprising a silicone resin (A), and thermal conductor particles (B) and bubbles dispersed in the silicone resin (A), wherein a content of the thermal conductor particles (B) is 100 to 400 parts by mass based on 100 parts by mass of the silicone resin (A), and the foam sheet further has a 25% compressive strength of 200 kPa or less and a thickness of 0.8 mm or less.Type: GrantFiled: September 30, 2015Date of Patent: February 19, 2019Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Tetsuhiro Kato, Naoyuki Nagatani
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Patent number: 10047219Abstract: Provided is a polyolefin-based resin composition capable of obtaining a molded product having a high modulus of elongation and a low coefficient of linear expansion. The polyolefin-based resin composition includes a polyolefin-based resin containing either one or both of an acid-modified polyolefin-based resin and a polyolefin-based resin with a hydroxyl group, and flaked graphite. The flaked graphite is uniformly dispersed in the polyolefin-based resin. As a result, a molded product formed by using the polyolefin-based resin composition has excellent mechanical strength such as a high modulus of elongation, a low coefficient of linear expansion, and high dimensional stability, and can be used for various applications such as a material that is suitable for use as the exterior panels of automobiles or a steel sheet replacement material.Type: GrantFiled: June 16, 2011Date of Patent: August 14, 2018Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Katsunori Takahashi, Daisuke Mukohata, Mitsuru Naruta, Kouji Taniguchi, Naoyuki Nagatani, Shouji Nozato
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Publication number: 20170305106Abstract: A thermally conductive foam sheet for electronic equipment according to the present invention is a sheet-shaped foam sheet comprising a silicone resin (A), and thermal conductor particles (B) and bubbles dispersed in the silicone resin (A), wherein a content of the thermal conductor particles (B) is 100 to 400 parts by mass based on 100 parts by mass of the silicone resin (A), and the foam sheet further has a 25% compressive strength of 200 kPa or less and a thickness of 0.8 mm or less.Type: ApplicationFiled: September 30, 2015Publication date: October 26, 2017Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Tetsuhiro KATO, Naoyuki NAGATANI
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Publication number: 20170190964Abstract: A carbon-coated vanadium dioxide particle includes a vanadium dioxide particle; and a coating layer containing amorphous carbon on a surface of the vanadium dioxide particle, the amorphous carbon being derived from carbon contained in an oxazine resin, and having a peak intensity ratio of a G band to a band of 1.5 or greater as determined from a Raman spectrum. The coating layer has an average thickness of 50 nm or less. The coating layer has a coefficient of variation (CV value) of thickness of 7% or less.Type: ApplicationFiled: March 22, 2017Publication date: July 6, 2017Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Ren-de Sun, Shoji Nozato, Akira Nakasuga, Masanori Nakamura, Naoyuki Nagatani, Keigo Oowashi
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Publication number: 20160129673Abstract: The present invention provides an interlayer film for laminated glass that can maintain excellent thermochromic properties for a long period of time and have appropriate adhesiveness to laminated glass components, and also a laminated glass including the interlayer film for laminated glass. The present invention relates to an interlayer film for laminated glass. The interlayer film includes a first resin layer containing a thermoplastic resin, a thermochromic layer, a second resin layer containing a thermoplastic resin. The layers are laminated in the stated order in the thickness direction. The thermochromic layer contains a thermoplastic resin and vanadium dioxide particles and has a water content of less than 0.4% by mass. Each of the first resin layer and the second resin layer has a water content that is higher than that of the thermochromic layer.Type: ApplicationFiled: August 29, 2014Publication date: May 12, 2016Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Keigo OOWASHI, Naoyuki NAGATANI, Ren-de SUN
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Publication number: 20130126795Abstract: Provided is a polyolefin-based resin composition capable of obtaining a molded product having a high modulus of elongation and a low coefficient of linear expansion. The polyolefin-based resin composition includes a polyolefin-based resin, flaked graphite, and either one or both of a compound with a six-membered ring structure and a compound with a five-membered ring structure. The flaked graphite is uniformly dispersed in the polyolefin-based resin. Thus, a molded product formed using the polyolefin-based resin composition has excellent mechanical strength such as a high modulus of elongation, a low coefficient of linear expansion, and high dimensional stability, and can be used for various applications such as a material that is suitable for use as the exterior panels of automobiles or a sheet metal replacement material.Type: ApplicationFiled: June 16, 2011Publication date: May 23, 2013Inventors: Katsunori Takahashi, Daisuke Mukohata, Kouji Taniguchi, Mitsuru Naruta, Shouji Nozato, Naoyuki Nagatani, Kensuke Tsumura, Kazuhiro Sawa
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Publication number: 20130096247Abstract: Provided is a polyolefin-based resin composition capable of obtaining a molded product having a high modulus of elongation and a low coefficient of linear expansion. The polyolefin-based resin composition includes a polyolefin-based resin containing either one or both of an acid-modified polyolefin-based resin and a polyolefin-based resin with a hydroxyl group, and flaked graphite. The flaked graphite is uniformly dispersed in the polyolefin-based resin. As a result, a molded product formed by using the polyolefin-based resin composition has excellent mechanical strength such as a high modulus of elongation, a low coefficient of linear expansion, and high dimensional stability, and can be used for various applications such as a material that is suitable for use as the exterior panels of automobiles or a steel sheet replacement material.Type: ApplicationFiled: June 16, 2011Publication date: April 18, 2013Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Katsunori Takahashi, Daisuke Mukohata, Mitsuru Naruta, Kouji Taniguchi, Naoyuki Nagatani, Shouji Nozato
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Publication number: 20130034709Abstract: The present invention provides a resin composition which can be molded easily and from which can be obtained synthetic resin molded articles superior in mechanical strength such as modulus of tensile elasticity, appearance such as surface smoothness, and dimensional stability. Since the resin composition of the present invention is characterized by containing a synthetic resin and a flaked graphite that is a laminate of graphene sheets the number of which is 150 or less and that has an aspect ratio of 20 or more, it is superior in moldability and synthetic resin molded articles with desired shapes can be produced therefrom by a widely used molding method.Type: ApplicationFiled: March 18, 2011Publication date: February 7, 2013Applicant: Sekisui Chemical Co., Ltd.Inventors: Katsunori Takahashi, Nobuhiko Inui, Naoyuki Nagatani, Daisuke Mukohata, Kouji Taniguchi, Mitsuru Naruta
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Publication number: 20120178841Abstract: The present invention is a directed to a method of producing a thermally decomposing resin particle, which comprises polymerizing a polyoxyalkylene macromonomer having a functional group alone or in combination with another polymerizable monomer in a solvent.Type: ApplicationFiled: February 9, 2012Publication date: July 12, 2012Inventors: Takahiro Oomura, Naoyuki Nagatani, Miki Inaoka, Hiroshi Yamauchi
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Publication number: 20120128951Abstract: Provided is a resin laminated plate which can achieve weight reduction and further increase in strength and is less likely to degrade in surface appearance. A resin laminated plate 1 including a layer made of a thermoplastic resin or thermosetting resin in a laminated structure includes: a first layer 2 made of a thermoplastic resin or thermosetting resin having a tensile modulus of elasticity of 0.8 to 2.0 GPa; and a second layer 3 disposed on the first layer 2, made of a different resin from the thermoplastic resin or thermosetting resin forming the first layer 2, and having a form selected from the group consisting of a film, a woven fabric, a non-woven fabric, and a mesh, wherein the ratio between the thickness of the first layer and the thickness of the second layer is within the range of 0.5 to 10 and the apparent bending modulus of elasticity of the resin laminated plate determined by the bending test defined in Japanese Industrial Standards (JIS) K7171 is 2.5 GPa to 8.5 GPa, both inclusive.Type: ApplicationFiled: September 17, 2010Publication date: May 24, 2012Inventors: Katsunori Takahashi, Daisuke Mukohata, Mitsuru Naruta, Kensuke Tsumura, Kazuhiro Sawa, Koji Taniguchi, Naoyuki Nagatani
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Patent number: 8138252Abstract: It is an object of the present invention to provide a thermally disappearing resin particle and a thermally disappearing hollow resin particle which can be decomposed at a low temperature in a short time and do not cause deformation or cracking of a sintered body to be obtained in the case of using as a binder for a ceramic or a lightening material; a method of producing the thermally disappearing hollow resin particle; a ceramic composition which can be degreased and fired at a low temperature in a short time and gives a molded body with a high porosity without deformation or cracking even in the case a large quantity of a pore-forming material is used; and a method of producing a porous ceramic filter. The present invention is directed to a thermally disappearing resin particle, which contains a polyoxyalkylene resin, and 10% by weight or more of the whole particle disappearing within an hour by heating at a prescribed temperature in a range from 100 to 300° C.Type: GrantFiled: December 13, 2005Date of Patent: March 20, 2012Assignee: Sekisui Chemical Co., Ltd.Inventors: Takahiro Oomura, Naoyuki Nagatani, Miki Inaoka, Hiroshi Yamauchi
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Publication number: 20110127068Abstract: An object of the present invention is to provide a polymer particulate material with a low compression modulus and a high recovery rate from compression deformation. The present invention provides a polymer particulate material obtainable by co-polymerizing comonomer components including a polyfunctional (meth)acrylate having a structure represented by the below formulas (1), (2) or (3), and a monofunctional (meth)acrylate monomer having a structure represented by the below formula (4), the polymer particulate material shows a recovery rate from compressive deformation of 70% or higher: In the formula (1), n represents an integer within the range of 4 to 10. In the formula (2), R11 represents a hydrogen atom or a C1-4 alkyl group, R12, R13 and R14 each represent a C1-4 alkylene group, and R15, R16 and R17 each represent a hydrogen atom or a methyl group. In the formula (3), R3, R4, R5 and R6 each represent a C1-4 alkylene group, and R7, R8, R9 and R10 each represent a hydrogen atom or a methyl group.Type: ApplicationFiled: July 27, 2009Publication date: June 2, 2011Inventors: Takuya Wada, Naoyuki Nagatani
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Publication number: 20080269394Abstract: It is an object of the present invention to provide a thermally disappearing resin particle and a thermally disappearing hollow resin particle which can be decomposed at a low temperature in a short time and do not cause deformation or cracking of a sintered body to be obtained in the case of using as a binder for a ceramic or a lightening material; a method of producing the thermally disappearing hollow resin particle; a ceramic composition which can be degreased and fired at a low temperature in a short time and gives a molded body with a high porosity without deformation or cracking even in the case a large quantity of a pore-forming material is used; and a method of producing a porous ceramic filter. The present invention is directed to a thermally disappearing resin particle, which contains a polyoxyalkylene resin, and 10% by weight or more of the whole particle disappearing within an hour by heating at a prescribed temperature in a range from 100 to 300° C.Type: ApplicationFiled: December 13, 2005Publication date: October 30, 2008Applicant: Sekisui Chemical Co., Ltd.Inventors: Takahiro Oomura, Naoyuki Nagatani, Miki Inaoka, Hiroshi Yamauchi