Patents by Inventor Toshiyuki Kawaguchi

Toshiyuki Kawaguchi 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).

  • Publication number: 20120064353
    Abstract: Disclosed are a low-cost radio wave-transmitting decorative film which has excellent stretch moldability, radio wave transmissibility, and mirror-like metallic gloss that does not easily disappear, and a decorative member employing the radio wave-transmitting decorative film. Specifically disclosed are a decorative film which includes a first polymer film, a second polymer film, and a light-reflecting layer which is arranged between the polymer films and formed by the physical vapor deposition of an alloy of silicon and a metal, and a decorative member in which the decorative film is provided on the surface of a base.
    Type: Application
    Filed: March 15, 2010
    Publication date: March 15, 2012
    Inventors: Toshiyuki Kawaguchi, Kazutoki Tahara, Tsutomu Saga
  • Patent number: 8134084
    Abstract: The present invention relates to a wiring member including: a copper foil layer having a smooth surface with a surface roughness Rz of 2 ?m or less; a noise suppressing layer containing a metallic material or a conductive ceramic and having a thickness of 5 to 200 nm; and an insulating resin layer provided between the smooth surface of the copper foil layer and the noise suppressing layer, and also relates to a printed wiring board equipped with the wiring member.
    Type: Grant
    Filed: June 27, 2007
    Date of Patent: March 13, 2012
    Assignee: Shin-Etsu Polymer Co., Ltd.
    Inventors: Toshiyuki Kawaguchi, Kazutoki Tahara, Tsutomu Saga, Mitsuaki Negishi
  • Publication number: 20110308841
    Abstract: Provided are: a cover-lay film which has an electromagnetic wave shielding function and excellent flexibility, enables a reduction in the thickness of a flexible printed wiring board, and eliminates the necessity of connecting a layer for shielding electromagnetic noise, to the ground circuit of the flexible printed wiring board; a method for manufacturing the same; and a flexible printed wiring board. Employed is a cover-lay film including: a base material film which has a roughened surface (textured surface) created on at least a part of one surface, and an unroughened surface (non-textured surface) excluding the roughened surface; and a deposition film made of a conductive material which is formed on a surface of the base material film on the side where the roughened surface has been created.
    Type: Application
    Filed: March 4, 2010
    Publication date: December 22, 2011
    Inventors: Toshiyuki Kawaguchi, Kazutoki Tahara, Tsutomu Saga
  • Publication number: 20110273356
    Abstract: The radio wave transmitting decorative member and the method of producing thereof efficiently and stably of the present invention is provided with radio wave transmitting properties as well as mirror-surface like metallic luster, hardly loses its metallic luster, and can be produced at a low cost. The method of producing a radio wave transmitting decorative member, having a substrate, a transparent organic material layer, and a light reflecting layer formed of an alloy composed of either silicon or germanium and a metal provided between the substrate and the transparent organic material layer; wherein the light reflecting layer is formed from a target having an alloy composed of either silicon or germanium, and of a metal with the use of a DC magnetrons sputtering.
    Type: Application
    Filed: January 19, 2010
    Publication date: November 10, 2011
    Inventors: Toshiyuki Kawaguchi, Kazutoki Tahara, Tsutomu Saga
  • Patent number: 8017255
    Abstract: An electromagnetic noise suppressor of the present invention has magnetic resonance frequency of 8 GHz or higher, and the imaginary part of complex magnetic permeability at 8 GHz is higher than the imaginary part of complex magnetic permeability at 5 GHz. Such an electromagnetic noise suppressor is capable of achieving sufficient electromagnetic noise suppressing effect over the entire sub-microwave band. The electromagnetic noise suppressor can be manufactured by forming a composite layer on the surface of a binding agent through physical deposition of a magnetic material on the binding agent. The structure with an electromagnetic noise suppressing function of the present invention is a printed wiring board, a semiconductor integrated circuit or the like that is covered with the electromagnetic noise suppressor on at least a part of the surface of the structure.
    Type: Grant
    Filed: August 31, 2009
    Date of Patent: September 13, 2011
    Assignee: Shin-Etsu Polymer Co., Ltd.
    Inventors: Toshiyuki Kawaguchi, Atsushi Taniguchi, Takashi Gonda
  • Publication number: 20110147053
    Abstract: A printed wiring board is formed by adhering a coverlay film having a resistance layer formed on a surface of the coverlay film body to a printed wiring board body having a conductive layer formed on a surface of a substrate through an adhesive layer. The resistance layer is separated from and opposed to the conductive layer through the adhesive layer.
    Type: Application
    Filed: August 18, 2009
    Publication date: June 23, 2011
    Applicant: Shin-Etsu Polymer Co., Ltd.
    Inventors: Toshiyuki Kawaguchi, Kazutoki Tahara, Tsutomu Saga
  • Publication number: 20110073352
    Abstract: Disclosed is a paired low-characteristic impedance power line and ground line structure in which loop inductance is substantially 0. The paired low-characteristic impedance power line and ground line structure includes a laminated sheet in which a metal wiring layer having a power line and a ground line is provided on the surface of an insulating sheet, an insulating thin-film layer provided so as to cover the power line and the ground line, and a resistive layer provided on the surface of the insulating thin-film layer.
    Type: Application
    Filed: May 21, 2009
    Publication date: March 31, 2011
    Inventors: Kanji Otsuka, Yutaka Akiyama, Toshiyuki Kawaguchi, Kazutoki Tahara
  • Patent number: 7887911
    Abstract: An electromagnetic noise suppressor of the present invention includes a base material containing a binding agent and a composite layer formed by integrating the binding agent that is a part of the base material and the magnetic material. This electromagnetic noise suppressor has high electromagnetic noise suppressing effect in the sub-microwave band, and enables it to reduce the space requirement and weight. The electromagnetic noise suppressor can be manufactured by forming the composite layer on the surface of the base material by physical vapor deposition of the magnetic material onto the surface of the base material. The article with an electromagnetic noise suppressing function of the present invention is an electronic component, a printed wiring board, a semiconductor integrated circuit or other article of which at least a part of the surface is covered by the electromagnetic noise suppressor of the present invention.
    Type: Grant
    Filed: August 31, 2009
    Date of Patent: February 15, 2011
    Assignee: Shin-Etsu Polymer Co., Ltd.
    Inventors: Toshiyuki Kawaguchi, Hironao Fujiki, Atsushi Taniguchi, Takashi Gonda, Kazutoki Tahara
  • Publication number: 20100207842
    Abstract: There is provided a radio wave transmitting decorative member which has radio wave transmitting properties as well as minor-surface like metallic luster, the radio wave transmitting decorative member which hardly loses its metallic luster and which can be produced at a low cost. More specifically, disclosed is a radio wave transmitting decorative member including a substrate, and a light reflecting layer provided on top of the substrate and formed of an alloy composed of either silicon or germanium and a metal, wherein the light reflecting layer is preferably a deposition film formed by a physical vapor deposition of an alloy composed of either silicon or germanium and a metal.
    Type: Application
    Filed: September 18, 2008
    Publication date: August 19, 2010
    Inventors: Toshiyuki Kawaguchi, Kazutoki Tahara, Tsutomu Saga
  • Publication number: 20100201459
    Abstract: The invention provides a transmission noise suppressing structure and a wiring board capable of suppressing a transmission noise transferred through a power supply line, stabilizing a power supply voltage, and reducing signal transmission line cross talk transmitted through the power supply line or a ground layer without being affected by a resistive layer. A transmission noise suppressing structure includes a power supply line and a signal transmission line arranged apart from each other on the same surface; a ground layer arranged apart from the power supply line and the signal transmission line; and a resistive layer arranged apart from the power supply line and the ground layer. The resistive layer has an area (I) which faces the power supply line and an area (II) which does not face the power supply line. The resistive layer and the signal transmission line are apart from each other.
    Type: Application
    Filed: August 1, 2008
    Publication date: August 12, 2010
    Inventors: Toshiyuki Kawaguchi, Kazutoki Tahara, Tsutomu Saga
  • Publication number: 20100061736
    Abstract: An optical transceiver of the present invention comprising an OSA, a circuit board, and a flexible substrate connecting these, in which the flexible substrate has high-speed signal lines and other lines other than the high speed signal lines provided separated from each other on the same surface, a ground layer placed apart and opposite these, and a resistive layer placed apart and opposite the high-speed signal lines, the other lines and the ground layer. High-speed signal and the resistive layer are opposite at least a part of the other lines.
    Type: Application
    Filed: September 4, 2009
    Publication date: March 11, 2010
    Inventors: Toshiyuki KAWAGUCHI, Kazutoki TAHARA, Tsutomu SAGA
  • Publication number: 20090314539
    Abstract: An electromagnetic noise suppressor of the present invention includes a base material containing a binding agent and a composite layer formed by integrating the binding agent that is a part of the base material and the magnetic material. This electromagnetic noise suppressor has high electromagnetic noise suppressing effect in the sub-microwave band, and enables it to reduce the space requirement and weight. The electromagnetic noise suppressor can be manufactured by forming the composite layer on the surface of the base material by physical vapor deposition of the magnetic material onto the surface of the base material. The article with an electromagnetic noise suppressing function of the present invention is an electronic component, a printed wiring board, a semiconductor integrated circuit or other article of which at least a part of the surface is covered by the electromagnetic noise suppressor of the present invention.
    Type: Application
    Filed: August 31, 2009
    Publication date: December 24, 2009
    Inventors: Toshiyuki Kawaguchi, Hironao Fujiki, Atsushi Taniguchi, Takashi Gonda, Kazutoki Tahara
  • Publication number: 20090314634
    Abstract: An electromagnetic noise suppressor of the present invention has magnetic resonance frequency of 8 GHz or higher, and the imaginary part of complex magnetic permeability at 8 GHz is higher than the imaginary part of complex magnetic permeability at 5 GHz. Such an electromagnetic noise suppressor is capable of achieving sufficient electromagnetic noise suppressing effect over the entire sub-microwave band. The electromagnetic noise suppressor can be manufactured by forming a composite layer on the surface of a binding agent through physical deposition of a magnetic material on the binding agent. The structure with an electromagnetic noise suppressing function of the present invention is a printed wiring board, a semiconductor integrated circuit or the like that is covered with the electromagnetic noise suppressor on at least a part of the surface of the structure.
    Type: Application
    Filed: August 31, 2009
    Publication date: December 24, 2009
    Inventors: Toshiyuki Kawaguchi, Atsushi Taniguchi, Takashi Gonda
  • Publication number: 20090314411
    Abstract: An electromagnetic noise suppressor of the present invention includes a base material containing a binding agent and a composite layer formed by integrating the binding agent that is a part of the base material and the magnetic material. This electromagnetic noise suppressor has high electromagnetic noise suppressing effect in the sub-microwave band, and enables it to reduce the space requirement and weight. The electromagnetic noise suppressor can be manufactured by forming the composite layer on the surface of the base material by physical vapor deposition of the magnetic material onto the surface of the base material. The article with an electromagnetic noise suppressing function of the present invention is an electronic component, a printed wiring board, a semiconductor integrated circuit or other article of which at least a part of the surface is covered by the electromagnetic noise suppressor of the present invention.
    Type: Application
    Filed: August 31, 2009
    Publication date: December 24, 2009
    Inventors: Toshiyuki Kawaguchi, Hironao Fujiki, Atsushi Taniguchi, Takashi Gonda, Kazutoki Tahara
  • Publication number: 20090316370
    Abstract: An electromagnetic noise suppressor of the present invention has magnetic resonance frequency of 8 GHz or higher, and the imaginary part of complex magnetic permeability at 8 GHz is higher than the imaginary part of complex magnetic permeability at 5 GHz. Such an electromagnetic noise suppressor is capable of achieving sufficient electromagnetic noise suppressing effect over the entire sub-microwave band. The electromagnetic noise suppressor can be manufactured by forming a composite layer on the surface of a binding agent through physical deposition of a magnetic material on the binding agent. The structure with an electromagnetic noise suppressing function of the present invention is a printed wiring board, a semiconductor integrated circuit or the like that is covered with the electromagnetic noise suppressor on at least a part of the surface of the structure.
    Type: Application
    Filed: August 31, 2009
    Publication date: December 24, 2009
    Inventors: Toshiyuki Kawaguchi, Atsushi Taniguchi, Takashi Gonda
  • Patent number: 7625640
    Abstract: An electromagnetic noise suppressor of the present invention has magnetic resonance frequency of 8 GHz or higher, and the imaginary part ??H of complex magnetic permeability at 8 GHz is higher than the imaginary part ??L of complex magnetic permeability at 5 GHz. Such an electromagnetic noise suppressor is capable of achieving sufficient electromagnetic noise suppressing effect over the entire sub-microwave band. The electromagnetic noise suppressor can be manufactured by forming a composite layer 3 on the surface of a binding agent 2 through physical deposition of a magnetic material on the binding agent 2. The structure with an electromagnetic noise suppressing function of the present invention is a printed wiring board, a semiconductor integrated circuit or the like that is covered with the electromagnetic noise suppressor on at least a part of the surface of the structure.
    Type: Grant
    Filed: February 24, 2004
    Date of Patent: December 1, 2009
    Assignee: Shin-Etsu Polymer Co., Ltd.
    Inventors: Toshiyuki Kawaguchi, Atsushi Taniguchi, Takashi Gonda
  • Patent number: 7625633
    Abstract: An electromagnetic noise suppressor of the present invention includes a base material 2 containing a binding agent and a composite layer 3 formed by integrating the binding agent that is a part of the base material 2 and the magnetic material. This electromagnetic noise suppressor has high electromagnetic noise suppressing effect in the sub-microwave band, and enables it to reduce the space requirement and weight. The electromagnetic noise suppressor can be manufactured by forming the composite layer 3 on the surface of the base material 2 by physical vapor deposition of the magnetic material onto the surface of the base material 2. The article with an electromagnetic noise suppressing function of the present invention is an electronic component, a printed wiring board, a semiconductor integrated circuit or other article of which at least a part of the surface is covered by the electromagnetic noise suppressor of the present invention.
    Type: Grant
    Filed: March 23, 2004
    Date of Patent: December 1, 2009
    Assignee: Shin-Etsu Polymer., Ltd.
    Inventors: Toshiyuki Kawaguchi, Hironao Fujiki, Atsushi Taniguchi, Takashi Gonda, Kazutoki Tahara
  • Publication number: 20080049410
    Abstract: The present invention relates to a wiring member including: a copper foil layer having a smooth surface with a surface roughness Rz of 2 ?m or less; a noise suppressing layer containing a metallic material or a conductive ceramic and having a thickness of 5 to 200 nm; and an insulating resin layer provided between the smooth surface of the copper foil layer and the noise suppressing layer, and also relates to a printed wiring board equipped with the wiring member.
    Type: Application
    Filed: June 27, 2007
    Publication date: February 28, 2008
    Inventors: Toshiyuki KAWAGUCHI, Kazutoki TAHARA, Tsutomu SAGA, Mitsuaki NEGISHI
  • Publication number: 20070265378
    Abstract: The polyvinyl chloride-based fiber of the present invention is a polyvinyl chloride-based fiber formed of a vinyl chloride-based resin composition that is obtained by blending, with respect to 100 parts by weight of a mixture (a) containing 95 wt % to 50 wt % of a vinyl chloride-based resin and 5 wt % to 50 wt % of a chlorinated vinyl chloride resin, 0.5 parts by weight to 3 parts by weight of a hydrotalcite-based thermostabilizer (b), 0.5 parts by weight to 2 parts by weight of a metallic soap-based thermostabilizer (c), and 0.5 parts by weight to 1.2 parts by weight of ?-diketone as a stabilizing aid (d). This polyvinyl chloride-based fiber has excellent spinnability, excellent transparency, small initial coloration and excellent colorability, and thus has a high commercial value as artificial hair for hair adornment, and can be used widely for practical goods and fashion purposes.
    Type: Application
    Filed: September 29, 2005
    Publication date: November 15, 2007
    Applicant: KANEKA CORPORATION
    Inventors: Toshiyuki Kawaguchi, Yuichi Ohyama, Toshihiko Hirose
  • Publication number: 20070096066
    Abstract: The present invention provides a conductive composition comprising (i) a cyano group-containing polymer compound which is a copolymer of a cyano group-containing monomer and a vinyl group-containing monomer, and n-conjugated conductive polymer.
    Type: Application
    Filed: June 17, 2004
    Publication date: May 3, 2007
    Inventors: Kazuyoshi Yoshida, Toshiyuki Kawaguchi, Tailu Ning, Yasushi Masahiro