Patents by Inventor Nobuaki Hirai

Nobuaki Hirai 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: 8675463
    Abstract: An optical disc driving device includes a control circuit 4 for performing a gain adjustment for each of two recording surfaces of a multilayered optical disc 1 on the basis of an FE signal in such a way as to maintain a state in which light is focused onto either of the recording surfaces, to generate a focus servo loop signal, and for generating a focus jump signal for causing either a transition from a state in which the light is focused onto one recording surface to a state in which the light is focused onto the other recording surface, or a transition in the opposite direction from a threshold set up on the basis of an amount of gain adjustment, and a focus actuator driving circuit 5 for performing either a focus jump or an operation of maintaining the state in which the light is focused.
    Type: Grant
    Filed: December 27, 2007
    Date of Patent: March 18, 2014
    Assignee: Mitsubishi Electric Corporation
    Inventors: Hiroshi Hoshino, Nobuaki Hirai
  • Publication number: 20100285157
    Abstract: When a light and porous inorganic substance is employed in a large amount as a excipient, it is impossible in the subsequent tabletting step using a tabletting machine to supply a desired amount of the resultant powder into a mortar having a definite diameter. As a result, extremely light tablets are produced. A method of producing the tablet is characterized by including dissolving or dispersing an oily substance, a liquid substance derived from a natural product or a low-melting substance in an organic solvent, allowing a porous calcium silicate powder to adsorb and hold the solution, adding a starch and/or a saccharide thereto, granulating the obtained mixture to give granules having an appropriate loose bulk density, and then compression molding those granules to give tablets.
    Type: Application
    Filed: February 20, 2007
    Publication date: November 11, 2010
    Applicant: ASAHI BREWERIES, LTD
    Inventors: Nobuaki Hirai, Kazuyuki Ishikawa
  • Publication number: 20100226994
    Abstract: A granule comprising a carrier composed of porous calcium silicate; a functional substance which is an oily liquid or a low-melting solid and a water-soluble antioxidizing agent, which are adsorbed on the carrier; and a granulating component. The problem to be solved is to improve storage stability of a powdered or tableted functional substance, for example, vitamin A to the level causing no problem in practical use.
    Type: Application
    Filed: October 3, 2008
    Publication date: September 9, 2010
    Inventors: Nobuaki Hirai, Kazuyuki Ishikawa, Yasutaka Azechi, Yoshitaka Etou
  • Publication number: 20100014397
    Abstract: An optical disc driving device includes a control circuit 4 for performing a gain adjustment for each of two recording surfaces of a multilayered optical disc 1 on the basis of an FE signal in such a way as to maintain a state in which light is focused onto either of the recording surfaces, to generate a focus servo loop signal, and for generating a focus jump signal for causing either a transition from a state in which the light is focused onto one recording surface to a state in which the light is focused onto the other recording surface, or a transition in the opposite direction from a threshold set up on the basis of an amount of gain adjustment, and a focus actuator driving circuit 5 for performing either a focus jump or an operation of maintaining the state in which the light is focused.
    Type: Application
    Filed: December 27, 2007
    Publication date: January 21, 2010
    Inventors: Hiroshi Hoshino, Nobuaki Hirai
  • Publication number: 20040146563
    Abstract: Special calcium silicate and crosslinked polyvinylpyrrolidone are fed into a vessel and then a definite amount of water is added thereto. Next, the contents are agitated with an agitator attached to the vessel so that water is uniformly dispersed in the mixture of the special calcium silicate and crosslinked polyvinylpyrrolidone and is retained therein. Then the mixture is granulated while displacing the water in the mixture to a Chinese orthodox medicine extract, a crude drug extract, or an extract derived from a natural substance. Thus, a granulated product having a high content of the Chinese-orthodox medicine extract, the crude drug extract, or the extract derived from a natural substance can be obtained, which makes it possible to miniatuarize or reduce number or amount of doses of tablets each containing the Chinese orthodox medicine extract, the crude drug extract, or the extract derived from a natural substance.
    Type: Application
    Filed: March 25, 2004
    Publication date: July 29, 2004
    Inventors: Nobuaki Hirai, Kazuyuki Ishikawa
  • Patent number: 6467678
    Abstract: A wire bonding method and apparatus, in which after the tail of a wire extends out of a capillary, the capillary moves to a measurement position above a tail length measuring member; the capillary descends so that the end of the tail contacts the tail length measuring member; a position of the capillary or a distance by which the capillary is lowered at the time that electrical continuity is established with the tail length measuring member is detected; and the tail length is calculated based upon a height level of the tail length measuring member, the position of the capillary before being lowered for measuring the tail, and the position of the capillary when the wire contacts the tail length measuring member, or upon the height of the capillary above the tail length measuring member before lowering the capillary for measuring the tail, and a distance the capillary is lowered.
    Type: Grant
    Filed: December 28, 2000
    Date of Patent: October 22, 2002
    Assignee: Kabushiki Kaisha Shinkawa
    Inventors: Tooru Mochida, Tatsunari Mii, Nobuaki Hirai
  • Publication number: 20010004991
    Abstract: A wire bonding method and apparatus, in which after the tail of a wire extends out of a capillary, the capillary moves to a measurement position above a tail length measuring member; the capillary descends so that the end of the tail contacts the tail length measuring member; a position of the capillary or a distance by which the capillary is lowered at the time that electrical continuity is established with the tail length measuring member is detected; and the tail length is calculated based upon a height level of the tail length measuring member, the position of the capillary before being lowered for measuring the tail, and the position of the capillary when the wire contacts the tail length measuring member, or upon the height of the capillary above the tail length measuring member before lowering the capillary for measuring the tail, and a distance the capillary is lowered.
    Type: Application
    Filed: December 28, 2000
    Publication date: June 28, 2001
    Applicant: KABUSHIKI KAISHA SHINKAWA
    Inventors: Tooru Mochida, Tatsunari Mii, Nobuaki Hirai
  • Patent number: 5852593
    Abstract: An information reproduction apparatus capable of reducing or eliminating the mute period when a pickup jumps during the reproduction or when a disk is changed in an information reproduction system provided with a disk changer mechanism for selecting one disk from plural disks, or when a disk is forced to change, or an information reproduction apparatus of displaying the time information corresponding to the actual outputting time of information from the output terminal by correcting the time information included in the information read from the recording medium or determined by the recording address, or an information reproduction system provided with a disk changer mechanism capable of checking the contents of other disks during reproduction, or system of reproducing only parts of information which allow to view the contents of all disks.
    Type: Grant
    Filed: July 11, 1997
    Date of Patent: December 22, 1998
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Masayuki Ishida, Kazuhito Endo, Manabu Tsukamoto, Nobuaki Hirai, Yoshinobu Ishida
  • Patent number: 5748585
    Abstract: A disc apparatus includes a readout unit, an audio signal output unit, a memory, a switch, and a controller. The readout unit reads out data from a disc wherein the data includes at least digital audio data. The audio signal output unit produces an audio signal output in accordance with the digital audio data. The memory stores the digital audio data read from the disc by the readout unit. The switch switches the digital audio data supplied to the audio signal output unit between the digital audio data stored in the memory and the digital audio data currently being read by the readout unit.
    Type: Grant
    Filed: June 17, 1994
    Date of Patent: May 5, 1998
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Manabu Tsukamoto, Nobuaki Hirai, Kazuhito Endo, Yoshinobu Ishida, Masayuki Ishida
  • Patent number: 5680379
    Abstract: An information reproduction apparatus capable of reducing or eliminating the mute period when a pickup jumps during the reproduction or when a disk is changed in an information reproduction system provided with a disk changer mechanism for selecting one disk from plural disks, or when a disk is forced to change, or an information reproduction apparatus of displaying the time information corresponding to the actual outputting time of information from the output terminal by correcting the time information included in the information read from the recording medium or determined by the recording address, or an information reproduction system provided with a disk changer mechanism capable of checking the contents of other disks during reproduction, or system of reproducing only parts of information to allow the monitoring of the contents of all disks.
    Type: Grant
    Filed: April 19, 1993
    Date of Patent: October 21, 1997
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Masayuki Ishida, Kazuhito Endo, Manabu Tsukamoto, Nobuaki Hirai, Yoshinobu Ishida
  • Patent number: 5587978
    Abstract: A digital signal which is recorded on a recording medium with being encoded is duplicated to another recording medium without being decoded. An audio signal is recorded and/or reproduced using data recorded in a TOG of the recording medium. A first data signal (2-channel audio signal) is intermittently recorded on and/or reproduced from a first area of the recording medium, and a second data signal (other 2-channel audio signal) is intermittently recorded on and/or reproduced from a second area of the recording medium during a period in which the first data signal is not recorded or reproduced.
    Type: Grant
    Filed: April 15, 1993
    Date of Patent: December 24, 1996
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Kazuhito Endo, Masayuki Ishida, Yoshinobu Ishida, Manabu Tsukamoto, Nobuaki Hirai