Patents by Inventor Masaaki Nakayama

Masaaki Nakayama 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: 8827883
    Abstract: A process for producing a base material for disks including forming a raw slurry material into a platy shape and drying the plate, the raw slurry material containing inorganic fibers which have a wet volume of about 300 mL/5 g or larger and which are amorphous or have a degree of crystallinity of about 50% or lower.
    Type: Grant
    Filed: May 2, 2011
    Date of Patent: September 9, 2014
    Assignee: Nichias Corporation
    Inventors: Osamu Horiuchi, Kazuhisa Watanabe, Masaaki Nakayama
  • Publication number: 20140232547
    Abstract: The present invention provides a light emitting diode (LED) driving device as a semiconductor device, which comprises: a direct current/direct current (DC/DC) controller, for controlling an output segment that is used to generate an output voltage from an input voltage and supply the output voltage to an LED; an output current driver, for generating an output current of the LED; and an LED short-circuit detection circuit, for monitoring a cathode voltage of the LED to perform an LED short-circuit detection, wherein the LED short-circuit detection circuit controls whether an action is performed or not according to a short-circuit detection enable signal input from outside the LED driving device.
    Type: Application
    Filed: April 23, 2014
    Publication date: August 21, 2014
    Applicant: ROHM CO., LTD.
    Inventors: Ryosuke Kanemitsu, Masaaki Nakayama
  • Patent number: 8776373
    Abstract: A disc roll includes a plurality of annular disc members each defining a hole and having a peripheral surface; and a rotary shaft fitted into the holes of the annular disc members by insertion, whereby the peripheral surfaces of the disc members serve as a conveying surface of the disc roll. The disc members include an inorganic fiber, mica and a clay having a content of particle components that have a particle size of 5 ?m or larger of not higher than 30% by weight based on the weight of the clay.
    Type: Grant
    Filed: January 2, 2014
    Date of Patent: July 15, 2014
    Assignee: Nichias Corporation
    Inventors: Masaaki Nakayama, Daiji Tahara, Masafumi Igo
  • Publication number: 20140173901
    Abstract: The present invention relates to a process for producing a base material for disks of disk rolls, in which the disk roll contains a rotating shaft and a plurality of the disks fitted on the rotating shaft by insertion whereby the outer peripheral surface of the disks serves as a conveying surface, in which the process contains molding a slurry raw material containing inorganic fibers, an inorganic filler having an aspect ratio of from 1 to 25 and an inorganic binder into a plate shape; and drying the molded plate.
    Type: Application
    Filed: February 27, 2014
    Publication date: June 26, 2014
    Applicant: NICHIAS CORPORATION
    Inventors: Kazuhisa WATANABE, Kouji IWATA, Masaaki NAKAYAMA
  • Patent number: 8754579
    Abstract: The present invention provides a light emitting diode (LED) driving device as a semiconductor device, which comprises: a direct current/direct current (DC/DC) controller, for controlling an output segment that is used to generate an output voltage from an input voltage and supply the output voltage to an LED; an output current driver, for generating an output current of the LED; and an LED short-circuit detection circuit, for monitoring a cathode voltage of the LED to perform an LED short-circuit detection, wherein the LED short-circuit detection circuit controls whether an action is performed or not according to a short-circuit detection enable signal input from outside the LED driving device.
    Type: Grant
    Filed: July 9, 2012
    Date of Patent: June 17, 2014
    Assignee: Rohm Co., Ltd.
    Inventors: Ryosuke Kanemitsu, Masaaki Nakayama
  • Publication number: 20140116093
    Abstract: A disc roll includes a plurality of annular disc members each defining a hole and having a peripheral surface; and a rotary shaft fitted into the holes of the annular disc members by insertion, whereby the peripheral surfaces of the disc members serve as a conveying surface of the disc roll. The disc members include an inorganic fiber, mica and a clay having a content of particle components that have a particle size of 5 ?m or larger of not higher than 30% by weight based on the weight of the clay.
    Type: Application
    Filed: January 2, 2014
    Publication date: May 1, 2014
    Applicant: Nichias Corporation
    Inventors: Masaaki Nakayama, Daiji Tahara, Masafumi Igo
  • Patent number: 8691356
    Abstract: The present invention relates to a process for producing a base material for disks of disk rolls, in which the disk roll contains a rotating shaft and a plurality of the disks fitted on the rotating shaft by insertion whereby the outer peripheral surface of the disks serves as a conveying surface, in which the process contains molding a slurry raw material containing inorganic fibers, an inorganic filler having an aspect ratio of from 1 to 25 and an inorganic binder into a plate shape; and drying the molded plate.
    Type: Grant
    Filed: May 19, 2011
    Date of Patent: April 8, 2014
    Assignee: Nichias Corporation
    Inventors: Kazuhisa Watanabe, Kouji Iwata, Masaaki Nakayama
  • Patent number: 8683691
    Abstract: The present invention provides a base material for disk rolls which is a platy molded article for obtaining ring-shaped disks for use in a disk roll comprising a rotating shaft and ring-shaped disks fitted thereon by insertion, whereby the peripheral surface of the disks serves as a conveying surface, the base material comprising inorganic fibers having a crystallization temperature of 800-900° C., a filler, and a clay. Also disclosed is a disk roll which comprises disks cut out of the base material.
    Type: Grant
    Filed: June 29, 2011
    Date of Patent: April 1, 2014
    Assignee: Nichias Corporation
    Inventors: Masaaki Nakayama, Masatoshi Mitsuta
  • Publication number: 20140055031
    Abstract: A leakage current detection circuit detects a switch current flowing in a switch which is targeted for leakage monitoring, and generates a detection signal to prohibit operation of a control target circuit which is targeted for control when the switch current does not reach a predetermined threshold value.
    Type: Application
    Filed: August 20, 2013
    Publication date: February 27, 2014
    Applicants: HONDA MOTOR CO., LTD., Rohm Co., Ltd.
    Inventors: Kouji MIYAMOTO, Masaaki NAKAYAMA, Akira AOKI, Koji OKAMOTO, Masaharu ANDO, Yosuke TSUCHIYA
  • Publication number: 20140034257
    Abstract: The present invention provides a base material for disk rolls which is a platy molded article for obtaining ring-shaped disks for use in a disk roll comprising a rotating shaft and ring-shaped disks fitted thereon by insertion, whereby the peripheral surface of the disks serves as a conveying surface, the base material comprising inorganic fibers having a crystallization temperature of 800-900° C., a filler, and a clay. Also disclosed is a disk roll which comprises disks cut out of the base material.
    Type: Application
    Filed: October 23, 2013
    Publication date: February 6, 2014
    Applicant: NICHIAS CORPORATION
    Inventors: Masaaki NAKAYAMA, Masatoshi Mitsuta
  • Patent number: 8636633
    Abstract: A disc roll includes a plurality of annular disc members each defining a hole and having a peripheral surface; and a rotary shaft fitted into the holes of the annular disc members by insertion, whereby the peripheral surfaces of the disc members serve as a conveying surface of the disc roll. The disc members include an inorganic fiber, mica and a clay having a content of particle components that have a particle size of 5 ?m or larger of not higher than 30% by weight based on the weight of the clay.
    Type: Grant
    Filed: March 30, 2004
    Date of Patent: January 28, 2014
    Assignee: Nichias Corporation
    Inventors: Masaaki Nakayama, Daiji Tahara, Masafumi Igo
  • Patent number: 8592021
    Abstract: The present invention provides a base material for disk rolls which is a platy molded article for obtaining ring-shaped disks for use in a disk roll comprising a rotating shaft and ring-shaped disks fitted thereon by insertion, whereby the peripheral surface of the disks serves as a conveying surface, the base material comprising inorganic fibers having a crystallization temperature of 800-900° C., a filler, and a clay. Also disclosed is a disk roll which comprises disks cut out of the base material.
    Type: Grant
    Filed: May 26, 2010
    Date of Patent: November 26, 2013
    Assignee: Nichias Corporation
    Inventors: Masaaki Nakayama, Masatoshi Mitsuta
  • Patent number: 8396333
    Abstract: In an image pickup apparatus of the present invention, a CCD 11 in which a plurality of pixels are arranged in a two-dimensional array, thereof the number of effective horizontal pixels is H and the number of effective vertical pixels is V; a aspect switching operator 18 that sets one of a plurality of aspect modes including a first aspect mode and a second aspect mode; an image processor 141 that generates first image data for recording in the first aspect mode, and generates second image data for recording in the second aspect mode, wherein the first image data for recording is generated using image data that is generated with pixels being H1 horizontal pixels by V1 vertical pixels included in the pixels on the CCD 11 or image data that is obtained by subjecting said image data to predetermined processing, the second image data for recording is generated using image data that is generated with pixels being H2 horizontal pixels by V2 vertical pixels included in the pixels on the solid-state imaging device or
    Type: Grant
    Filed: July 12, 2011
    Date of Patent: March 12, 2013
    Assignee: Panasonic Corporation
    Inventors: Masaaki Nakayama, Shinobu Fusa, Ichiro Kitao, Kenji Maeda
  • Publication number: 20130016310
    Abstract: The present invention provides a light emitting diode (LED) driving device as a semiconductor device, which comprises: a direct current/direct current (DC/DC) controller, for controlling an output segment that is used to generate an output voltage from an input voltage and supply the output voltage to an LED; an output current driver, for generating an output current of the LED; and an LED short-circuit detection circuit, for monitoring a cathode voltage of the LED to perform an LED short-circuit detection, wherein the LED short-circuit detection circuit controls whether an action is performed or not according to a short-circuit detection enable signal input from outside the LED driving device.
    Type: Application
    Filed: July 9, 2012
    Publication date: January 17, 2013
    Applicant: ROHM CO., LTD.
    Inventors: Ryosuke Kanemitsu, Masaaki Nakayama
  • Publication number: 20130015781
    Abstract: The present invention provides a light emitting diode (LED) driving device, which comprises: a direct current/direct current (DC/DC) controller, for controlling an output segment that is used to generate an output voltage from an input voltage and supply the output voltage to an LED; an output current driver, for generating an output current of the LED; and an output discharging circuit, for performing, based on a predetermined control signal, discharging of the output voltage when a generation action of the output voltage and the output current stops.
    Type: Application
    Filed: July 9, 2012
    Publication date: January 17, 2013
    Applicant: ROHM CO., LTD.
    Inventors: Ryosuke Kanemitsu, Masaaki Nakayama
  • Publication number: 20120298476
    Abstract: Provide is a heat-resistant roll with improved effectively characteristics, a production method thereof, and a method of producing sheet glass using the heat-resistant roll. A method of producing a heat-resistant roll equipped with a roll portion containing 5% by weight or more of clay includes: a grinding step (S101) of grinding a roll surface of the roll portion; and a surface treatment step (S102) of performing surface treatment of smoothening the ground roll surface in a wet state.
    Type: Application
    Filed: August 9, 2012
    Publication date: November 29, 2012
    Applicant: NICHIAS CORPORATION
    Inventors: Masaaki NAKAYAMA, Daiji TAHARA, Kouji IWATA, Kazuhisa WATANABE
  • Patent number: 8303377
    Abstract: Provide is a heat-resistant roll with improved effectively characteristics, a production method thereof, and a method of producing sheet glass using the heat-resistant roll. A method of producing a heat-resistant roll equipped with a roll portion containing 5% by weight or more of clay includes: a grinding step (S101) of grinding a roll surface of the roll portion; and a surface treatment step (S102) of performing surface treatment of smoothening the ground roll surface in a wet state.
    Type: Grant
    Filed: September 10, 2009
    Date of Patent: November 6, 2012
    Assignee: Nichias Corporation
    Inventors: Masaaki Nakayama, Daiji Tahara, Kouji Iwata, Kazuhisa Watanabe
  • Publication number: 20120272686
    Abstract: A disk roll base material includes 25 to 50 wt % of ceramic wool, 5 to 30 wt % of kibushi clay, 2 to 20 wt % of bentonite, and 25 to 45 wt % of a filler selected from alumina, wollastonite and calcined kaolin clay.
    Type: Application
    Filed: May 1, 2012
    Publication date: November 1, 2012
    Applicant: NICHIAS CORPORATION
    Inventors: Osamu Horiuchi, Kazuhisa Watanabe, Masaaki Nakayama
  • Publication number: 20120255327
    Abstract: A disk roll base material includes 20 to 38 wt % of alumina silicate wool that include 40 to 60 wt % of alumina and 40 to 60 wt % of silica, and have a content of shots having a dimension of 45 ?m or more of 5 wt % or less, 10 to 30 wt % of kibushi clay, 2 to 20 wt % of bentonite, and 20 to 40 wt % of mica.
    Type: Application
    Filed: April 5, 2011
    Publication date: October 11, 2012
    Applicant: Nichias Corporation
    Inventors: Kazuhisa Watanabe, Masaaki Nakayama, Osamu Horiuchi
  • Patent number: 8216776
    Abstract: An aqueous solution of electrolytes, a sugar osmotic agent and a physiologically safe salt of a reductive sulfur oxy-acid. Alternatively, the dialysate comprises an aqueous solution of electrolytes, a salt of a reductive sulfur oxy-acid, and osmotic agents which contain an oncotic agent other than a sugar osmotic agent.
    Type: Grant
    Filed: May 11, 2010
    Date of Patent: July 10, 2012
    Assignee: Japan Science and Technology Corporation
    Inventors: Asahi Sakai, Masaaki Nakayama