Patents by Inventor Akiko Asahata

Akiko Asahata 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).

  • Patent number: 8847543
    Abstract: A secondary battery charging system includes a secondary battery charging device and a power generation device that generates a charging current. The secondary battery charging device controls the charging a secondary battery, which has a protection timer that counts a first elapsed time from a start of charging. The secondary battery charging device includes a charging switch that controls a supply of the charging current, a time management timer portion that counts a second elapsed time starting from a point at which the charging switch becomes conductive and performs a charging stop determination and that counts a third elapsed time starting from a point at which the charging switch is cut off and performs a charging start determination, and a charging control portion that causes the charging switch to be conductive or cut off based on results of the charging stop determination and the charging start determination.
    Type: Grant
    Filed: February 13, 2012
    Date of Patent: September 30, 2014
    Assignee: NTT DoCoMo, Inc.
    Inventors: Shigeki Yagi, Hirokazu Serita, Mitsuharu Chiba, Hiroyuki Konishi, Akiko Asahata, Yasuyuki Kanai, Takayuki Kanai, Naoji Nomura
  • Publication number: 20120206086
    Abstract: A secondary battery charging system includes a secondary battery charging device and a power generation device that generates a charging current. The secondary battery charging device controls the charging a secondary battery, which has a protection timer that counts a first elapsed time from a start of charging. The secondary battery charging device includes a charging switch that controls a supply of the charging current, a time management timer portion that counts a second elapsed time starting from a point at which the charging switch becomes conductive and performs a charging stop determination and that counts a third elapsed time starting from a point at which the charging switch is cut off and performs a charging start determination, and a charging control portion that causes the charging switch to be conductive or cut off based on results of the charging stop determination and the charging start determination.
    Type: Application
    Filed: February 13, 2012
    Publication date: August 16, 2012
    Inventors: Shigeki Yagi, Hirokazu SERITA, Mitsuharu CHIBA, Hiroyuki KONISHI, Akiko ASAHATA, Yasuyuki KANAI, Takayuki KANAI, Naoji NOMURA
  • Patent number: 7799978
    Abstract: A tuner mounting mounts a tuner to a musical instrument to indicate a tuning state of the musical instrument. The tuner mounting device has a hook-and-loop fastener that connects to a main body of the tuner and is configured to wrap directly around at least a part of the instrument so that end portions of the hook-and-loop fastener are removably connected to one another to directly mount the tuner main body to the part of the instrument.
    Type: Grant
    Filed: February 11, 2009
    Date of Patent: September 21, 2010
    Assignee: Seiko Instruments Inc.
    Inventors: Fumiyoshi Nagakura, Hirokazu Serita, Akiko Asahata, Tomotada Ishii
  • Publication number: 20090235807
    Abstract: Provide a tuner mounting device which does not scratch an instrument and which provides a satisfactory sensitivity to a vibration generated from the instrument. A mounting base portion for fixing a tuner main body to a part of the instrument is fixed to the instrument on a constant basis by a hook-and-loop fastener, with a structure to be fitted into the mounting base portion being provided on a lower surface of a tuner main body containing a vibration sensor for detecting vibration generated through operation of the instrument. The mounting base portion has a power source portion and a power supply contact, with the structure having an electrical contact corresponding to the power supply contact provided on the mounting base portion.
    Type: Application
    Filed: February 11, 2009
    Publication date: September 24, 2009
    Inventors: Fumiyoshi Nagakura, Hirokazu Serita, Akiko Asahata, Tomotada Ishii
  • Patent number: 7405373
    Abstract: The switch structure according to the present invention is obtained by interposing an elastic connection member between the circuit board provided with electrodes and a push switch fixed to a case of an electronic device. The elastic connection member has a structure in which conductive layers and insulation layers are alternately laminated. The conductive layers of a first lamination layer surface on which the conductive layers and the insulation layers of the elastic connection member are exposed abut against the electrodes so that the electric connections therebetween are established. The push switch is pushed down, and a contact portion thereof abuts against the plurality of conductive layers on a second lamination layer surface, whereby the electrodes are in a conductive state. Even if the push switch is pushed strongly, the elastic connection member deforms to absorb the force. As a result, the switch structure which hardly breaks is obtained.
    Type: Grant
    Filed: May 21, 2007
    Date of Patent: July 29, 2008
    Assignee: Seiko Instruments Inc.
    Inventors: Hiroyuki Konishi, Hisashi Fujieda, Fumiyoshi Nagakura, Akiko Asahata, Masaji Kondo, Shigeki Yagi
  • Publication number: 20080023316
    Abstract: The switch structure according to the present invention is obtained by interposing an elastic connection member between the circuit board provided with electrodes and a push switch fixed to a case of an electronic device. The elastic connection member has a structure in which conductive layers and insulation layers are alternately laminated. The conductive layers of a first lamination layer surface on which the conductive layers and the insulation layers of the elastic connection member are exposed abut against the electrodes so that the electric connections therebetween are established. The push switch is pushed down, and a contact portion thereof abuts against the plurality of conductive layers on a second lamination layer surface, whereby the electrodes are in a conductive state. Even if the push switch is pushed strongly, the elastic connection member deforms to absorb the force. As a result, the switch structure which hardly breaks is obtained.
    Type: Application
    Filed: May 21, 2007
    Publication date: January 31, 2008
    Inventors: Hiroyuki Konishi, Hisashi Fujieda, Fumiyoshi Nagakura, Akiko Asahata, Masaji Kondo, Shigeki Yagi