Patents by Inventor Shinji Matsuzawa
Shinji Matsuzawa 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: 9585444Abstract: There is provided a slide fastener and a method for manufacturing a slide fastener. A slide fastener is provided with: a pair of fastener tapes; a pair of fastener element rows provided respectively on the opposing tape-side edges of the pair of fastener tapes and having a plurality of fastener elements; and a slider configured to engage and disengage the pair of fastener element rows with and from each other. Each of the fastener element rows is composed of a monofilament which is made of synthetic resin. The monofilament has, on the surface thereof, a surface layer which can be colored with dyes. A roughened surface having a number of concaves is formed on the surfaces of the surface layer.Type: GrantFiled: December 30, 2014Date of Patent: March 7, 2017Assignee: YKK CorporationInventors: Natsuki Kamada, Tadahiro Inomata, Shinji Matsuzawa
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Patent number: 9521884Abstract: In a fastener chain, at least some warps constituting a woven fastener tape are provided with a flame retardant phosphorus-copolymerized polyester fiber and wefts constituting the same fastener tape are provided with a synthetic fiber that is not phosphorus-copolymerized and that has a higher degree of tensile strength than the flame retardant polyester fiber. With this configuration, superior flame retardancy can be stably obtained and there is no variance in the flame retardancy of the fastener chains. In the fastener chain, the heat contraction of the warp is used to improve the chain horizontal pull force, and by increasing the frictional resistance between the warp and the weft, shifting of the weave pattern of the fastener tape can be prevented. Further, the fastener chain can be provided at a low cost because of the small amount of flame retardant polyester fiber used.Type: GrantFiled: September 29, 2010Date of Patent: December 20, 2016Assignee: YKK CorporationInventors: Shinji Matsuzawa, Takuya Shimizu, Yusuke Numata, Satoshi Kuno, Takayuki Hasegawa
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Publication number: 20150108676Abstract: There is provided a slide fastener and a method for manufacturing a slide fastener. A slide fastener is provided with: a pair of fastener tapes; a pair of fastener element rows provided respectively on the opposing tape-side edges of the pair of fastener tapes and having a plurality of fastener elements; and a slider configured to engage and disengage the pair of fastener element rows with and from each other. Each of the fastener element rows is composed of a monofilament which is made of synthetic resin. The monofilament has, on the surface thereof, a surface layer which can be colored with dyes. A roughened surface having a number of concaves is formed on the surfaces of the surface layer.Type: ApplicationFiled: December 30, 2014Publication date: April 23, 2015Inventors: Natsuki Kamada, Tadahiro Inomata, Shinji Matsuzawa
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Patent number: 8966719Abstract: There is provided a slide fastener and a method for manufacturing a slide fastener. A slide fastener is provided with: a pair of fastener tapes; a pair of fastener element rows provided respectively on the opposing tape-side edges of the pair of fastener tapes and having a plurality of fastener elements; and a slider configured to engage and disengage the pair of fastener element rows with and from each other. Each of the fastener element rows is composed of a monofilament which is made of synthetic resin. The monofilament has, on the surface thereof, a surface layer which can be colored with dyes. A roughened surface having a number of concaves is formed on the surfaces of the surface layer.Type: GrantFiled: June 30, 2010Date of Patent: March 3, 2015Assignee: YKK CorporationInventors: Natsuki Kamada, Tadahiro Inomata, Shinji Matsuzawa
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Publication number: 20140041161Abstract: There is provided a slide fastener and a method for manufacturing a slide fastener A slide fastener is provided with: a pair of fastener tapes; a pair of fastener element rows provided respectively on the opposing tape-side edges of the pair of fastener tapes and having a plurality of fastener elements; and a slider configured to engage and disengage the pair of fastener element rows with and from each other. Each of the fastener element rows is comprised of a monofilament which is made of synthetic resin. The monofilament has, on the surface thereof, a surface layer which can be colored with dyes. A roughened surface having a number of concaves is formed on the surfaces of the surface layer.Type: ApplicationFiled: June 30, 2010Publication date: February 13, 2014Applicant: YKK CorporationInventors: Natsuki Kamada, Tadahiro Inomata, Shinji Matsuzawa
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Publication number: 20130185903Abstract: In a fastener chain, at least some warps constituting a woven fastener tape are provided with a flame retardant phosphorus-copolymerized polyester fiber fiber and wefts constituting the same fastener tape are provided with a synthetic fiber that is not phosphorus-copolymerized and that has a higher degree of tensile strength than the flame retardant polyester fiber. With this configuration, superior flame retardancy can be stably obtained and there is no variance in the flame retardancy of the fastener chains. In the fastener chain, the heat contraction of the warp is used to improve the chain horizontal pull force, and by increasing the frictional resistance between the warp and the weft, shifting of the weave pattern of the fastener tape can be prevented. Further, the fastener chain can be provided at a low cost because of the small amount of flame retardant polyester fiber used.Type: ApplicationFiled: September 29, 2010Publication date: July 25, 2013Applicant: YKK CorporationInventors: Shinji Matsuzawa, Takuya Shimizu, Yusuke Numata, Satoshi Kuno, Takayayuki Hasegawa
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Patent number: 7450892Abstract: An electrophotographic developing roller in which air tightness and electrical conductivity in a fit section between a cylindrical metal base body and a metal flange are satisfactory and outside diameter deflection accuracy is satisfactory; and an electrophotographic developing roller which is relatively inexpensive, excellent in mechanical rigidity, surface processability and plating film formation (corrosion resistance) and capable of being satisfied with a prescribed dimensional accuracy are provided. The electrophotographic developing roller is a developing roller having a cylindrical metal base body and a metal flange. The metal flange has a larger diameter section to be fitted in the opening end inner surface of the cylindrical metal base body and a smaller diameter section serving as a central shaft body coaxial with the cylindrical metal base body.Type: GrantFiled: October 8, 2004Date of Patent: November 11, 2008Assignee: Fuji Electric Imaging Device Co., Ltd.Inventors: Toshio Tsubota, Shinji Matsuzawa
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Publication number: 20060204286Abstract: An electrophotographic developing roller in which air tightness and electrical conductivity in a fit section between a cylindrical metal base body and a metal flange are satisfactory and outside diameter deflection accuracy is satisfactory; and an electrophotographic developing roller which is relatively inexpensive, excellent in mechanical rigidity, surface processability and plating film formation (corrosion resistance) and capable of being satisfied with a prescribed dimensional accuracy are provided. The electrophotographic developing roller is a developing roller having a cylindrical metal base body and a metal flange. The metal flange has a larger diameter section to be fitted in the opening end inner surface of the cylindrical metal base body and a smaller diameter section serving as a central shaft body coaxial with the cylindrical metal base body.Type: ApplicationFiled: October 8, 2004Publication date: September 14, 2006Applicant: FUJI ELECTRIC IMAGING DEVICE CO., LTDInventors: Toshio Tsubota, Shinji Matsuzawa