Patents by Inventor Saori Hamamura

Saori Hamamura 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: 20140023315
    Abstract: An optical module achieving optical coupling at a low cost and by a simple and convenient process is intended to be provided. For attaining the purpose, a transparent member sealing an optical device and an optical transmission channel are connected as an optical coupling structure. Specifically, optical coupling is achieved in an optical module having an optical device, a first substrate having the optical device mounted thereon, and a second substrate or a transparent resin provided over the first substrate so as to hermetically seal the optical device by connecting an optical transmission channel over the second substrate or the transparent resin at a portion in which light from the optical device is transmitted.
    Type: Application
    Filed: November 18, 2011
    Publication date: January 23, 2014
    Applicant: Hitachi Ltd
    Inventors: Toshiaki Takai, Norio Chujo, Saori Hamamura
  • Patent number: 8437584
    Abstract: In fabricating an optical I/O array module, an optical waveguide provided with mirror parts, each having a tapered face, is formed on a substrate, a convex shaped member or a concave shaped member is placed at spots above the respective mirror parts of the optical waveguide, and laser diode arrays and photo diode arrays, provided with either a concave shape, or a convex shape, are mated with, or into the convex shaped member or the concave shaped member before being mounted. Further, there are formed multiple filmy layers, on which an LSI where a driver IC LSI of optical elements, and an amplifier LSI of the optical elements are integrated.
    Type: Grant
    Filed: July 27, 2010
    Date of Patent: May 7, 2013
    Assignee: Hitachi, Ltd.
    Inventors: Yasunobu Matsuoka, Toshiki Sugawara, Koichiro Adachi, Naoki Matsushima, Saori Hamamura, Madoka Minagawa, Norio Chujo
  • Patent number: 8406581
    Abstract: A photoelectric composite wiring module, being superior in performances and mass-productivity thereof, and a transmission apparatus of applying that therein are provided. Optical devices 2a and 2b are disposed on a circuit board 1, so that they are optically coupled with optical guides 11 formed on the circuit board 1, wherein a filet-like resin is formed on a side surface of a bump, which is formed on side surfaces or/and upper portions of the optical devices, on an upper layer thereof being compressed a resin film to be adhered thereon, thereby forming an insulation film 31, and an electric wiring layer 3 is laminated, so that the electrodes of the optical devices 2 and wirings of the electric wiring layer are electrically connected with, and further thereon is mounted a semiconductor element 4; thereby obtaining the structure for brining the transmission speed to be high per channel, and for preventing the power consumption from increasing.
    Type: Grant
    Filed: June 2, 2010
    Date of Patent: March 26, 2013
    Assignee: Hitachi, Ltd.
    Inventors: Saori Hamamura, Naoki Matsushima, Madoka Minagawa, Satoshi Kaneko, Norio Chujo, Yasunobu Matsuoka, Toshiki Sugawara, Tsutomu Kono
  • Patent number: 8401347
    Abstract: A photoelectric composite wiring module includes a circuit substrate, an optical device, an LSI (device) having a driver and an amplifier for the optical device, and a thin film wiring layer having an electrical wiring. The optical device is connected with the LSI by means of the electrical wiring. The optical device is formed on the circuit substrate and optically coupled to an optical waveguide formed in the circuit substrate. The thin film wiring layer is formed on the optical device to ensure that the optical device is electrically connected with the electrical wiring of the thin film wiring layer. The LSI is mounted on and electrically connected with the thin film wiring layer.
    Type: Grant
    Filed: November 23, 2009
    Date of Patent: March 19, 2013
    Assignee: Hitachi, Ltd.
    Inventors: Naoki Matsushima, Norio Chujo, Yasunobu Matsuoka, Toshiki Sugawara, Madoka Minagawa, Saori Hamamura, Satoshi Kaneko, Tsutomu Kono
  • Publication number: 20120128292
    Abstract: A photoelectric composite wiring module, being superior in performances and mass-productivity thereof, and a transmission apparatus of applying that therein are provided. Optical devices 2a and 2b are disposed on a circuit board 1, so that they are optically coupled with optical guides 11 formed on the circuit board 1, wherein a filet-like resin is formed on a side surface of a bump, which is formed on side surfaces or/and upper portions of the optical devices, on an upper layer thereof being compressed a resin film to be adhered thereon, thereby forming an insulation film 31, and an electric wiring layer 3 is laminated, so that the electrodes of the optical devices 2 and wirings of the electric wiring layer are electrically connected with, and further thereon is mounted a semiconductor element 4; thereby obtaining the structure for brining the transmission speed to be high per channel, and for preventing the power consumption from increasing.
    Type: Application
    Filed: June 2, 2010
    Publication date: May 24, 2012
    Applicant: Hitachi-Ltd.
    Inventors: Saori Hamamura, Naoki Matsushima, Madoka Minagawa, Satoshi Kaneko, Norio Chujo, Yasunobu Matsuoka, Toshiki Sugawara, Tsutomu Kono
  • Publication number: 20110026878
    Abstract: In fabricating an optical I/O array module, an optical waveguide provided with mirror parts, each having a tapered face, is formed on a substrate, a convex shaped member or a concave shaped member is placed at spots above the respective mirror parts of the optical waveguide, and laser diode arrays and photo diode arrays, provided with either a concave shape, or a convex shape, are mated with, or into the convex shaped member or the concave shaped member before being mounted. Further, there are formed multiple filmy layers, on which an LSI where a driver IC LSI of optical elements, and an amplifier LSI of the optical elements are integrated.
    Type: Application
    Filed: July 27, 2010
    Publication date: February 3, 2011
    Applicant: Hitachi, Ltd.
    Inventors: Yasunobu MATSUOKA, Toshiki Sugawara, Koichiro Adachi, Naoki Matsushima, Saori Hamamura, Madoka Minagawa, Norio Chujo
  • Publication number: 20100209041
    Abstract: A photoelectric composite wiring module includes a circuit substrate, an optical device, an LSI having a driver and an amplifier for the optical device, and a thin film wiring layer having an electrical wiring. The optical device is connected with the LSI by means of the electrical wiring. The optical device is formed on the circuit substrate and optically coupled to an optical waveguide formed in the circuit substrate. The thin film wiring layer is formed on the optical device to ensure that the optical device is electrically connected with the electrical wiring of the thin film wiring layer. The LSI is mounted on and electrically connected with the thin film wiring layer.
    Type: Application
    Filed: November 23, 2009
    Publication date: August 19, 2010
    Applicant: HITACHI, LTD.
    Inventors: Naoki MATSUSHIMA, Norio CHUJO, Yasunobu MATSUOKA, Toshiki SUGAWARA, Madoka MINAGAWA, Saori HAMAMURA, Satoshi KANEKO, Tsutomu KONO