Patents by Inventor Shigeru Maeda

Shigeru Maeda 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: 20110110812
    Abstract: This ferrite stainless steel for use in producing a urea water tank includes: in terms of mass %, C: 0.05% or less; N: 0.05% or less; Si: 0.02 to 1.5%; Mn: 0.02 to 2%; Cr: 15 to 23%; and either one or both of Nb and Ti at a content within a range of 8(C+N) to 1% (herein, C and N represent the contents of C and N (expressed by mass %), respectively, and the numerical values shown in front of the atomic symbols represent constant numbers), with the remainder being iron and unavoidable impurities, wherein an effective amount of Cr expressed by any one of the following Equations (I), (II), and (III) is 15% or more (herein, the atomic symbols in Equations (I) to (III) represent the contents of the elements (expressed by mass %), and the numerical values shown in front of the atomic symbols represent constant numbers).
    Type: Application
    Filed: July 23, 2009
    Publication date: May 12, 2011
    Inventors: Nobulhiko Hiraide, Haruhiko Kajimura, Akihiko Takahashi, Shigeru Maeda
  • Publication number: 20100181748
    Abstract: A squib comprising a cup body, a cup body cover, and a header for holding a plurality of electrode pins insulated from one another and closing the opening portion of the cup body, wherein the internal of the cup body has an ignition powder, and a heating element connected to the electrode pins for igniting the ignition powder by externally applying electric current arranged in contact with the ignition powder, wherein a metal cylindrical or ring restraining member is provided in the outer periphery of the cup body and covered around with the cup body cover.
    Type: Application
    Filed: June 12, 2008
    Publication date: July 22, 2010
    Applicant: NIPPONKAYAKU KABUSHIKIKAISHA
    Inventors: Koji Nakamura, Takatoshi Tsukamoto, Shigeru Maeda, Hirotaka Mukunoki, Hideyuki Koike
  • Patent number: 7748323
    Abstract: There is provided a semiconductor bridge device wherein a reaction time for generating sparks is short and a spark generating amount is large. This semiconductor bridge device comprises a substrate, a pair of land portions, a bridge portion electrically connecting between the pair of the land portions, and an electrode pad arranged on each upper surface in the pair of the land portions and emitting sparks at the bridge portion through an electric current passed between the electrode pads, in which the pair of the land portions and the bridge portion consist of a laminate formed by alternately laminating a metal layer and a metal oxide layer plural times, and an outermost layer in the laminate is a metal layer, and a metal oxide having a decomposition temperature of higher than 1500° C. is used in the metal oxide layer.
    Type: Grant
    Filed: October 4, 2005
    Date of Patent: July 6, 2010
    Assignee: Nipponkayaku Kabushikikaisha
    Inventors: Shigeru Maeda, Hirotaka Mukunoki
  • Patent number: 7721652
    Abstract: A gas generator including a plug (24) having a header part (45) and two or more electrode pins (22, 23), a thin-film bridge (25) having electrode pads (41, 42), and a squib (10) in which upon supply of electric current to the thin-film bridge (25) via the electrode pins (22, 23), the thin-film bridge (25) is activated to ignite ignition materials (26, 27), wherein the thin-film bridge (25) is arranged into a hollow (32) prepared at the plug (24) in such a manner that the thin-film bridge (25) is kept approximately on a level with the head (35) of the electrode pins (22, 23) and the header part (45) of the plug (24), the thin-film bridge (25) is connected by wire bonding to the electrode pins (22, 23) at the electrode pad parts (41, 42), and at least either of the electrode pad (41) or (42) of the thin-film bridge (25) is connected by the wire bonding to a metal part of the header part (45) of the plug (24).
    Type: Grant
    Filed: March 1, 2005
    Date of Patent: May 25, 2010
    Assignee: Nippon Kayaku Kabushiki Kaisha
    Inventors: Masahiro Yoshida, Shigeru Maeda, Makoto Iwasaki, Ryoi Kodama
  • Publication number: 20100072736
    Abstract: An ignition element mounting capacitor having an ignition element mounted on a capacitor, includes therein a first capacitor section and a second capacitor section, and first external terminal electrodes electrically connected to the first capacitor section and second external terminal electrodes electrically connected to the second capacitor section. The first capacitor section has a capacity for igniting ignition powder, and the second capacitor section has a function for removing noise which affects external circuits. Further, provided on the surface of the capacitor are third external terminal electrodes electrically connected to the ignition element.
    Type: Application
    Filed: November 30, 2007
    Publication date: March 25, 2010
    Applicants: NIPPONKAYAKU KABUSHIKIKAISHA, MURATA MANUFACTURING CO., LTD., RYODEN TRADING COMPANY, LIMITED
    Inventors: Shigeru Maeda, Atsushi Ishida, Katsuki Nakanishi, Yoshihiro Koshido, Hajime Yamada, Naoko Aizawa, Yasuaki Matsumura, Toshiaki Furuya
  • Publication number: 20100066067
    Abstract: A header assembly includes a header holding a plurality of electrode pins to be insulated from one another, an ignition element mounting capacitor having at the center of its outer circumferential surfaces external terminal electrodes for electrically connecting to an ignition element mounted on the capacitor, an IC having first, second, and third electrode pads to be electrically connected to end electrodes of the ignition element mounting capacitor and the external terminal electrodes and further having connection electrodes to be electrically connected to the electrode pins of the header for communication with the external. The IC is located on the header, and the ignition element mounting capacitor is located on the IC and electrically connected to the electrode pins through the connection electrodes provided on the IC.
    Type: Application
    Filed: November 30, 2007
    Publication date: March 18, 2010
    Applicants: NIPPONKAYAKU KABUSHIKIKAISHA, RYODEN TRADING COMPANY, LIMITED
    Inventors: Shigeru Maeda, Dairi Kubo, Yasuaki Matsumura, Toshiaki Furuya
  • Publication number: 20100018431
    Abstract: A squib includes a cup body and a closure plug for holding a plurality of electrode pins insulated from one another and closing the opening of the cup body, and further includes, in the cup body, ignition powder and an ASIC component formed by molding a resin around electric circuits including an ASIC and a capacitor, a heating element connected to the ASIC and located at the top of the resin molding of the ASIC component, and connection electrodes located at the bottom of the resin molding for connecting the ASIC to the electrode pins. The squib includes a cylindrical metal fixture having at the center of its top an opening of a size sufficient to expose the heating element and being fixed to the closure plug in a state covering the top circumferential periphery and side surface of the ASIC component and pushing the connection electrode of the ASIC component against the electrode pins.
    Type: Application
    Filed: October 26, 2007
    Publication date: January 28, 2010
    Applicant: NIPPONKAYAKU KABUSHIKIKAISHA
    Inventors: Shigeru Maeda, Hirotaka Mukonoki, Hideyuki Koike
  • Publication number: 20100013202
    Abstract: A squib includes an SCB chip connected to electrode pins so as to ignite by externally applied electric current, and a capacitor electrically connected to the electrode pins in parallel with a thin film resistor on the SCB chip. The capacitor is arranged above the header, and the SCB chip is directly mounted on the capacitor so that the thin film resistor on the SCB chip and the capacitor are electrically connected through electrodes provided on a substrate of the SCB chip, while the size of the SCB chip is smaller than that of the capacitor. In this way, the invention provides the squib which effectively eliminates surface unevenness when the capacitor is located, and enables the connection of the SCB chip and the capacitor to the electrode pins only by one reflow process, and further makes it possible to use an even smaller chip than those used in the prior art.
    Type: Application
    Filed: October 26, 2007
    Publication date: January 21, 2010
    Applicant: NIPPONKAYAKU KABUSHIKIKAISHA
    Inventors: Shigeru Maeda, Hirotaka Mukonoki, Hideyuki Koike
  • Publication number: 20090266265
    Abstract: The invention provides an ignition device having a high shielding-performance from electro-magnetic wave noise and the like, while being compact in size and enabling electric current securely to flow through electric circuits built in the ignition device. The ignition device includes a metal cup and a metal header for holding a plurality of electrode pins respectively insulated and closing the opening of the cup to integrate the header in the cup, and further includes, in the cup, ignition charge, an ASIC, a capacitor, and a heating element. The ASIC is electrically connected to the electrode pins, the capacitor and the heating element, respectively, and the heating element abuts against the ignition charge. The header is provided on its outer periphery with a metal flange for fixing the header to an installation body of the ignition device.
    Type: Application
    Filed: January 5, 2007
    Publication date: October 29, 2009
    Applicant: NIPPONKAYAKU KABUSHIKIKAISHA
    Inventors: Shigeru Maeda, Hirotaka Mukonoki, Dairi Kubo
  • Publication number: 20090200779
    Abstract: The invention provides an ignition device which is produced without reducing its productivity, while being compact in size and enabling electric current securely to flow through electric circuits built in the ignition device. The ignition device includes a metal cup and a metal header for holding a plurality of electrode pins respectively insulated and closing the opening of the cup, and further includes, in the cup, ignition charge and an ASIC component. The ASIC component includes an ASIC and a capacitor both mounted on a substrate molded with a resin to form a resin mold, and the resin mold has at its top a heating element connected to the ASIC and further has at its bottom communication electrodes for connecting the ASIC to the electrode pins, so that the ASIC component thus constructed abuts against the header. The electrode pins and the communication electrodes are jointed to each other under pressure.
    Type: Application
    Filed: January 5, 2007
    Publication date: August 13, 2009
    Applicants: NIPPONKAYAKU KABUSHIKIKAISHA, HONDA MOTOR CO., LTD.
    Inventors: Shigeru Maeda, Hirotaka Mukunoki, Dairi Kubo, Kazuo Matsuda, Junichi Nishimura, Kazutaka Saito
  • Publication number: 20090126592
    Abstract: The invention provides a semiconductor bridge, an igniter, and a gas generator each of which satisfies a high-speed responsiveness required of, for example, an automotive side inflator. The semiconductor bridge includes a bridge part heated by being supplied with a current. The bridge part is disposed on a substrate. The bridge part includes a first layer and an ignition bridge layer. The first layer is formed on the substrate and has insulating properties. The ignition bridge layer serves as a second layer disposed on the first layer. The width of the bridge part at the first layer and the width of the bridge part at the second layer are substantially equal to each other. A space is provided around the bridge part. With this structure, the diffusion of current and heat into the substrate can be restricted to the minimum level, and the ignition time can be quickened as an ignition characteristic. Each of the igniter and the gas generator includes the semiconductor bridge.
    Type: Application
    Filed: September 5, 2006
    Publication date: May 21, 2009
    Applicant: NIPPON KAYAKU KABUSHIKI KAISHA
    Inventors: Hirotaka Mukunoki, Shigeru Maeda, Hiroki Taguchi
  • Publication number: 20090002568
    Abstract: According to one embodiment, an information processor includes a first connection unit, a second connection unit which is different from the first connection unit, receiving a reproduction request signal of content data from an external terminal, a start-up unit which transmits the control signal to start up the display device from the first connection unit when receiving the reproduction request signal for the content data stored in the external terminal, a decoding unit which decodes the content data to be received from the external terminal through the second connection unit, and an output unit which outputs a video signal of the content data decoded by the decoding unit from the first connection unit.
    Type: Application
    Filed: June 27, 2008
    Publication date: January 1, 2009
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Kazunobu Konda, Shigeru Maeda, Hideki Ohkita, Ken Matsushita
  • Publication number: 20080190316
    Abstract: The present invention relates to an electric detonator containing no primary charge or igniting charge, having a simple structure, and capable of directly igniting a base charge of secondary explosive. A detonator of the present invention includes a cylindrical tube closed at one end, a base charge contained in the tube near the closed end thereof, and an ignition device inserted from an open end of the tube and accommodated near the open end. The ignition device is a semiconductor bridge device including a laminate layer and electrode pads. The laminate layer includes layers of a reactive metal and a reactive insulator. The base charge is, for example, pentaerythritol tetranitrate.
    Type: Application
    Filed: November 8, 2005
    Publication date: August 14, 2008
    Applicant: NIPPON KAYAKU KABUSHIKI KAISHA
    Inventors: Yutaka Kagawa, Michiharu Arifuku, Shigeru Maeda, Hirotaka Mukunoki
  • Publication number: 20080156216
    Abstract: A gas generator including a plug (24) having a header part (45) and two or more electrode pins (22, 23), a thin-film bridge (25) having electrode pads (41, 42), and a squib (10) in which upon supply of electric current to the thin-film bridge (25) via the electrode pins (22, 23), the thin-film bridge (25) is activated to ignite ignition materials (26, 27), wherein the thin-film bridge (25) is arranged into a hollow (32) prepared at the plug (24) in such a manner that the thin-film bridge (25) is kept approximately on a level with the head (35) of the electrode pins (22, 23) and the header part (45) of the plug (24), the thin-film bridge (25) is connected by wire bonding to the electrode pins (22, 23) at the electrode pad parts (41, 42), and at least either of the electrode pad (41) or (42) of the thin-film bridge (25) is connected by the wire bonding to a metal part of the header part (45) of the plug (24).
    Type: Application
    Filed: March 1, 2005
    Publication date: July 3, 2008
    Applicant: NIPPON KAYAKU KABUSHIKI KAISHA
    Inventors: Masahiro Yoshida, Shigeru Maeda, Makoto Iwasaki, Ryoi Kodama
  • Publication number: 20080083343
    Abstract: There is provided a semiconductor bridge device wherein a reaction time for generating sparks is short and a spark generating amount is large. This semiconductor bridge device comprises a substrate, a pair of land portions, a bridge portion electrically connecting between the pair of the land portions, and an electrode pad arranged on each upper surface in the pair of the land portions and emitting sparks at the bridge portion through an electric current passed between the electrode pads, in which the pair of the land portions and the bridge portion consist of a laminate formed by alternately laminating a metal layer and a metal oxide layer plural times, and an outermost layer in the laminate is a metal layer, and a metal oxide having a decomposition temperature of higher than 1500° C. is used in the metal oxide layer.
    Type: Application
    Filed: October 4, 2005
    Publication date: April 10, 2008
    Inventors: Shigeru Maeda, Hirotaka Mukunoki
  • Publication number: 20070280271
    Abstract: According to one embodiment, provided is a communication apparatus including a reading unit which reads content data from a storage medium, a communication unit which communicates with a first external unit and a second external unit via network, a notifying unit which notifies, via the communication unit, the first external unit of position information for accessing content data that is readable by the reading unit, and a moving unit which moves the content data read by the reading unit to the second external unit via the communication unit, wherein after the moving unit moves the content data to the second external unit, the notifying unit notifies, via the communication unit, the first external unit of position information concerning the second external unit for accessing the content data as position information of the content data.
    Type: Application
    Filed: May 31, 2007
    Publication date: December 6, 2007
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventor: Shigeru Maeda
  • Publication number: 20070250859
    Abstract: An information acquiring unit acquires information relating to image contents possessed by a plurality of communication devices connected to a network, via a communication unit. A display management unit displays a calendar screen including a plurality of display areas configured in days onto a display unit, and displays information about each image content acquired by the information acquiring unit onto the calendar screen on the basis of recording dates and times of the image contents.
    Type: Application
    Filed: March 29, 2007
    Publication date: October 25, 2007
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Hideki Ohkita, Shigeru Maeda, Kazunobu Konda, Ken Matsushita
  • Publication number: 20070233702
    Abstract: A device discovery section discovers devices connected to a network. A metadata acquisition section acquires, via a communication section, all summary information held by the detected devices and containing recording dates and times of image contents. The metadata acquisition section stores the summary information acquired in a metadata control section. A detailed information acquisition section selects some of the image contents stored in the metadata control section on the basis of the recording dates and times of the image contents. The detailed information acquisition section selects some of the plurality of image contents for which the summary information acquisition section has acquired the summary information, on the basis of the recording dates and times in the summary information A display item control section arranges the detailed information acquired by the detailed information acquisition section in date cells on a display screen to display the information on the display screen.
    Type: Application
    Filed: March 30, 2007
    Publication date: October 4, 2007
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Hideki Ohkita, Shigeru Maeda, Kazunobu Konda, Ken Matsushita
  • Publication number: 20060174287
    Abstract: A data transmitter for executing stream-type data transmission of stream data having a predetermined data composition unit to a data receiver includes: a data supply section that supplies the stream data; a buffer for temporarily storing the stream data supplied from the data supply section; and a communication section for reading the stream data stored in the buffer and transmitting the data to the data receiver. When a data amount of the stream data supplied from the data supply section exceeds an available capacity of the buffer, the buffer retains at least untransmitted data that has not been transmitted from the communication section, of the data in the predetermined data composition unit of the data stream being transmitted from the communication section until the untransmitted data is transmitted from the communication section.
    Type: Application
    Filed: January 27, 2006
    Publication date: August 3, 2006
    Inventor: Shigeru Maeda
  • Patent number: 7020694
    Abstract: A scheme for managing nodes connected to a home network according to their physical location is disclosed. A communication device constituting each node is formed by at least one communication unit for carrying out communications through a connected network, having communication ports for connecting nodes through which data are to be exchanged by the nodes, and a configuration information memory unit for storing a configuration information regarding a configuration of the communication device, having a region for dynamically describing a location information regarding a physical location of the communication device.
    Type: Grant
    Filed: September 16, 2002
    Date of Patent: March 28, 2006
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Takeshi Saito, Hajime Ohsawa, Shigeru Maeda, Tatsunori Kanai, Shigeyasu Natsubori, Toshio Okamoto, Yoshiaki Takabatake