Patents by Inventor Shigemi Kurashima

Shigemi Kurashima 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).

  • Communication apparatus
    Patent number: 7394431
    Abstract: A communication apparatus is provided that includes an apparatus main frame, an antenna, and a connecting element that connects the antenna to the apparatus main frame and positions the antenna away from the apparatus main frame.
    Type: Grant
    Filed: October 4, 2006
    Date of Patent: July 1, 2008
    Assignee: Fujitsu Component Limited
    Inventors: Masahiro Yanagi, Shigemi Kurashima, Hideki Iwata, Takashi Yuba, Takashi Arita
  • Antenna device
    Patent number: 7382331
    Abstract: An antenna device includes an antenna part and a dielectric formed on the antenna part. The dielectric is formed to be thicker in a direction of directivity that the antenna part is to be made to have, than in another direction.
    Type: Grant
    Filed: October 25, 2006
    Date of Patent: June 3, 2008
    Assignee: Fujitsu Component Limited
    Inventors: Shigemi Kurashima, Masahiro Yanagi, Hideki Iwata, Takashi Yuba, Masahiro Kaneko, Yuriko Segawa, Takashi Arita
  • ANTENNA APPARATUS AND ELECTRONIC DEVICE
    Publication number: 20080122705
    Abstract: The present invention discloses an antenna apparatus including a dielectric substrate on which an element including a conductive material pattern is formed. The dielectric substrate is a film.
    Type: Application
    Filed: January 10, 2008
    Publication date: May 29, 2008
    Applicant: FUJITSU COMPONENT LIMITED
    Inventors: Shigemi Kurashima, Masahiro Yanagi, Hideki Iwata, Takashi Arita, Takashi Yuba, Kazuhiko Ikeda, Yuriko Segawa
  • Encryption method, communication system, transmission device, and data input device
    Patent number: 7352862
    Abstract: An encryption method includes the steps of (a) generating random data including a first part and a second part, the first part specifying an operation to be performed on plain text data and the second part being used in the operation, (b) performing the specified operation on the plain text data using the second part of the random data, and (c) transmitting a result of the operation together with the random data.
    Type: Grant
    Filed: June 20, 2002
    Date of Patent: April 1, 2008
    Assignee: Nagano Fujitsu Component Limited
    Inventors: Shigemi Kurashima, Norio Endo
  • Antenna apparatus and method for fabricating the same
    Publication number: 20080074325
    Abstract: An antenna apparatus is disclosed that includes an element member made of sheet metal, a ground member made of sheet metal, and a connection part that is integrally formed with the element member and the ground member.
    Type: Application
    Filed: January 24, 2007
    Publication date: March 27, 2008
    Applicant: FUJITSU COMPONENT LIMITED
    Inventors: Shigemi Kurashima, Takashi Yuba, Hideki Iwata, Masahiro Yanagi, Takashi Arita, Toshihiro Kusagaya
  • Antenna device
    Publication number: 20080062047
    Abstract: An antenna device is disclosed that includes a dielectric substrate having first and second surfaces facing away from each other, an element pattern formed on the first surface of the dielectric substrate, a conductive pattern formed on the first surface of the dielectric substrate so as to extend from the feeding point of the element pattern, and a ground pattern formed on the second surface of the dielectric substrate so as to form a microstrip line in cooperation with the conductive pattern. The ground pattern has a cutout part formed in a portion thereof opposing the feeding point.
    Type: Application
    Filed: April 6, 2007
    Publication date: March 13, 2008
    Applicant: FUJITSU COMPONENT LIMITED
    Inventors: Hideki Iwata, Shigemi Kurashima, Masahiro Yanagi, Takashi Yuba, Takashi Arita
  • Antenna apparatus
    Publication number: 20080055183
    Abstract: An antenna apparatus is disclosed that includes a synthetic resin case having an antenna element accommodating portion and a ground element accommodating portion, an antenna element made of punched sheet metal that is accommodated within the antenna element accommodating portion, a ground element made of punched sheet metal that is accommodated within the ground element accommodating portion and aligned with the antenna element, a surface mount coaxial connector that is mounted over an interface between the antenna element and the ground element, and a cover that covers the antenna element and the ground element.
    Type: Application
    Filed: May 25, 2007
    Publication date: March 6, 2008
    Applicant: FUJITSU COMPONENT LIMITED
    Inventors: Takashi Yuba, Shigemi Kurashima, Hideki Iwata, Masahiro Yanagi, Takashi Arita, Toshihiro Kusagaya, Kazuhiko Ikeda, Hiroshi Matsumiya, Kazuo Nomura
  • Antenna apparatus and electronic device
    Patent number: 7339533
    Abstract: The present invention discloses an antenna apparatus including a dielectric substrate on which an element including a conductive material pattern is formed. The dielectric substrate is a film.
    Type: Grant
    Filed: January 30, 2006
    Date of Patent: March 4, 2008
    Assignee: Fujitsu Component Limited
    Inventors: Shigemi Kurashima, Masahiro Yanagi, Hideki Iwata, Takashi Arita, Takashi Yuba, Kazuhiko Ikeda, Yuriko Segawa
  • Antenna apparatus and electronic apparatus
    Publication number: 20080042906
    Abstract: A disclosed antenna apparatus includes a dielectric flexible base having an element pattern and a ground pattern formed thereon. The dielectric flexible base has a cylindrical shape encompassing an antenna axis. The element pattern and the ground pattern formed on the dielectric flexible base are symmetrically formed with respect to the antenna axis.
    Type: Application
    Filed: March 13, 2007
    Publication date: February 21, 2008
    Applicant: FUJITSU COMPONENT LIMITED
    Inventors: Masahiro Yanagi, Shigemi Kurashima, Hideki Iwata, Takashi Yuba, Takashi Arita
  • Inputting device stimulating tactile sense of operator thereof
    Patent number: 7310081
    Abstract: In an inputting apparatus which is manipulated with a finger placed on a manipulating section included in the inputting apparatus, the manipulating section is configured to stimulate the tactile sense of the finger used in the manipulating, enabling to confirm the inputting.
    Type: Grant
    Filed: April 2, 2004
    Date of Patent: December 18, 2007
    Assignee: Fujitsu Component Limited
    Inventors: Akio Nakamura, Yuriko Nishiyama, Shinichiro Akieda, Shigemi Kurashima, Nobuyoshi Shimizu, Takashi Arita
  • Touch panel, and input device and electronic apparatus each equipped with the touch panel
    Patent number: 7307625
    Abstract: A touch panel includes: a first layer and a second layer that are arranged to face each other, with a predetermined gap being formed between the first layer and the second layer; a first resistance film that is formed on a surface of the first layer, the surface facing the second layer; a second resistance film that is formed on a surface of the second layer, the surface facing the first layer; and a power supply unit that is provided on the first resistance film. In this touch panel, the first resistance film and the second resistance film form an antenna.
    Type: Grant
    Filed: January 29, 2004
    Date of Patent: December 11, 2007
    Assignee: Fujitsu Component Limited
    Inventors: Shigemi Kurashima, Shinichiro Akieda, Hiroto Inoue, Takashi Arita
  • Distributed constant type filter device
    Publication number: 20070262832
    Abstract: A distributed constant type filter includes a substrate including a part made of a first dielectric material having a first relative dielectric constant and a different-material part made of a second dielectric material having a second relative dielectric constant different from the first relative dielectric constant. A filter pattern is formed on a top surface and a ground pattern is formed on a bottom surface of the substrate. Part of the filter pattern is formed on the different-material part.
    Type: Application
    Filed: October 30, 2006
    Publication date: November 15, 2007
    Applicant: FUJITSU COMPONENT LIMITED
    Inventors: Hideki Iwata, Masahiro Yanagi, Shigemi Kurashima, Takashi Yuba, Masahiro Kaneko, Yuriko Segawa, Takashi Arita
  • Flat antenna apparatus
    Publication number: 20070262902
    Abstract: A UWB flat antenna apparatus is disclosed. The UWB flat antenna apparatus includes an antenna element pattern, a ground pattern, and a multiple-stage filter including plural filter elements. Therein, the filter elements are electrically connected in series and are stacked, and the multiple-stage filter and the ground pattern are stacked.
    Type: Application
    Filed: November 1, 2006
    Publication date: November 15, 2007
    Applicant: FUJITSU COMPONENT LIMITED
    Inventors: Hideki Iwata, Masahiro Yanagi, Shigemi Kurashima, Takashi Yuba, Masahiro Kaneko, Yuriko Segawa, Takashi Arita
  • Antenna apparatus
    Patent number: 7289070
    Abstract: An antenna apparatus is disclosed. The antenna apparatus is structured by a ground plate that is shaped like a plate, and a feeding unit that is formed by a plate-like member, the feeding unit extending from the ground plate generally perpendicular to the ground plate at a predetermined angle to the ground plate for a predetermined length.
    Type: Grant
    Filed: May 3, 2005
    Date of Patent: October 30, 2007
    Assignee: Fujitsu Component Limited
    Inventors: Masahiro Yanagi, Shigemi Kurashima, Hiroto Inoue, Takuya Uchiyama
  • Portable apparatus
    Publication number: 20070238492
    Abstract: A portable apparatus including a flat antenna apparatus is disclosed. The portable apparatus operates with a battery. The flat antenna apparatus includes an antenna element and a ground element, where the ground element is a surface of the battery.
    Type: Application
    Filed: September 28, 2006
    Publication date: October 11, 2007
    Applicant: FUJITSU COMPONENT LIMITED
    Inventors: Masahiro Kaneko, Masahiro Yanagi, Hideki Iwata, Takashi Yuba, Shigemi Kurashima, Yuriko Segawa, Takashi Arita
  • Antenna device
    Publication number: 20070229363
    Abstract: An antenna device includes an antenna part and a dielectric formed on the antenna part. The dielectric is formed to be thicker in a direction of directivity that the antenna part is to be made to have, than in another direction.
    Type: Application
    Filed: October 25, 2006
    Publication date: October 4, 2007
    Applicant: FUJITSU COMPONENT LIMITED
    Inventors: Shigemi Kurashima, Masahiro Yanagi, Hideki Iwata, Takashi Yuba, Masahiro Kaneko, Yuriko Segawa, Takashi Arita
  • Electronic apparatus and method of manufacturing electronic apparatus
    Publication number: 20070231937
    Abstract: The present invention discloses a method of manufacturing an electronic apparatus for wireless communications in that the method includes the steps of arranging an antenna apparatus adjacent to the electronic apparatus formed on a substrate and testing the electronic apparatus by conducting the wireless communications between the electronic apparatus and the antenna apparatus.
    Type: Application
    Filed: November 27, 2006
    Publication date: October 4, 2007
    Applicant: FUJITSU COMPONENT LIMITED
    Inventors: Shigemi Kurashima, Masahiro Yanagi, Hideki Iwata, Takashi Yuba, Masahiro Kaneko, Yuriko Segawa, Takashi Arita
  • Antenna apparatus
    Publication number: 20070229361
    Abstract: An antenna apparatus is disclosed that includes a dielectric substrate, an antenna element pattern that is formed on an upper face of the dielectric substrate, a strip line that is formed on the upper face of the dielectric substrate and extends from the antenna element pattern, and a ground pattern that is formed on the upper face of the dielectric substrate and is arranged on either side of the strip line. The strip line, the ground pattern, and the substrate form a coplanar microwave transmission line.
    Type: Application
    Filed: October 20, 2006
    Publication date: October 4, 2007
    Applicant: FUJITSU COMPONENT LIMITED
    Inventors: Masahiro Yanagi, Shigemi Kurashima, Hideki Iwata, Takashi Yuba, Masahiro Kaneko, Yuriko Segawa, Takashi Arita
  • Antenna
    Publication number: 20070229362
    Abstract: An antenna which can be used in different communication standards with a simple structure is disclosed. The antenna includes an antenna section which receives/transmits radio waves, input/output ports to which a signal to be input to the antenna section is input and from which a signal output from the antenna section is output, and transmission lines each of which connects the antenna section to a corresponding input/output port.
    Type: Application
    Filed: October 23, 2006
    Publication date: October 4, 2007
    Applicant: FUJITSU COMPONENT LIMITED
    Inventors: Shigemi Kurashima, Masahiro Yanagi, Hideki Iwata, Takashi Yuba, Masahiro Kaneko, Yuriko Segawa, Takashi Arita
  • Antenna apparatus and manufacturing method thereof
    Publication number: 20070229360
    Abstract: A disclosed antenna apparatus includes: a punched out antenna element made of a sheet metal; a punched out ground element made of a sheet metal, the ground element facing the antenna element; and a surface mount type coaxial connector mounted across the antenna element and the ground element.
    Type: Application
    Filed: October 17, 2006
    Publication date: October 4, 2007
    Applicant: FUJITSU COMPONENT LIMITED
    Inventors: Masahiro Yanagi, Shigemi Kurashima, Hideki Iwata, Takashi Yuba, Masahiro Kaneko, Yuriko Segawa, Takashi Arita, Toshihiro Kusagaya, Kazuhiko Ikeda, Hiroshi Matsumiya, Kazuo Nomura