Patents by Inventor Kenichi Kikuchi

Kenichi Kikuchi 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: 11069961
    Abstract: An antenna device to be mounted on a vehicle, including a ground conductor having a planar shape; and an antenna element which is a resonant type, is provided at a position so as not to overlap with the ground conductor within a plane substantially parallel to the ground conductor, and is configured to transmit or receive a polarized wave parallel to the ground conductor. A rectangular notch is formed in the ground conductor to have both a right and left edge portions with a predetermined width being left, and the antenna element is provided at a position overlapping with the notch in a plane substantially parallel to the ground conductor.
    Type: Grant
    Filed: December 14, 2017
    Date of Patent: July 20, 2021
    Assignee: YOKOWO CO., LTD.
    Inventors: Takeshi Sampo, Kenichi Yamada, Yuki Kikuchi
  • Patent number: 10507552
    Abstract: A solder material includes an alloy of at least five elements including Sn, Cu, Sb, and In, and 20 mass % or less of Ag. The solidus temperature of the solder material is higher than 290° C., the liquidus temperature of the solder material is 379° C. or less and is higher than the solidus temperature, and the temperature difference between the liquidus temperature and the solidus temperature is 70° C. or less.
    Type: Grant
    Filed: February 3, 2016
    Date of Patent: December 17, 2019
    Assignee: NIHON DEMPA KOGYO CO., LTD.
    Inventors: Toshimasa Tsuda, Kenichi Kikuchi, Tomotaka Kuroda, Daisuke Nishiyama, Hiroyuki Sasaki, Makoto Hatano, Hiroya Ishikawa
  • Publication number: 20170345993
    Abstract: A piezoelectric device includes a piezoelectric vibrating piece, a base, a wire, a conductive adhesive, and a buffer layer. The piezoelectric vibrating piece includes excitation electrodes and extraction electrodes at both principal surfaces. The base includes the piezoelectric vibrating piece and a first wiring electrode and a second wiring electrode connected to the extraction electrodes. The wire connects the extraction electrode on a surface opposite to a side of the base among the extraction electrodes to one wiring electrode of the first wiring electrode and the second wiring electrode. The conductive adhesive connects the extraction electrode at the base side among the extraction electrodes to the other wiring electrode among the first wiring electrode and the second wiring electrode. The buffer layer reduces stress of the wire between the extraction electrode to which the wire is connected and the piezoelectric vibrating piece.
    Type: Application
    Filed: May 19, 2017
    Publication date: November 30, 2017
    Applicant: NIHON DEMPA KOGYO CO., LTD.
    Inventor: KENICHI KIKUCHI
  • Publication number: 20170288123
    Abstract: A lead-out wiring, which is connected to a comb-shaped electrode formed on a principal surface of a piezoelectric substrate and is disposed to extend to an outer edge of the piezoelectric substrate an outer surrounding wall layer, which is arranged surrounding an outer periphery of the piezoelectric substrate including the lead-out wiring and forms a hollow portion that serves as an operation space for the comb-shaped electrode, and a top board, which bridges the outer surrounding wall layer to seal the hollow portion, are included.
    Type: Application
    Filed: July 31, 2015
    Publication date: October 5, 2017
    Applicant: NIHON DEMPA KOGYO CO., LTD.
    Inventors: Makoto HATANO, Kenichi KIKUCHI, Hiroyuki SASAKI, Toshimasa TSUDA
  • Publication number: 20160226466
    Abstract: A solder material includes an alloy of at least five elements including Sn, Cu, Sb, and In, and 20 mass % or less of Ag. The solidus temperature of the solder material is higher than 290° C., the liquidus temperature of the solder material is 379° C. or less and is higher than the solidus temperature, and the temperature difference between the liquidus temperature and the solidus temperature is 70° C. or less.
    Type: Application
    Filed: February 3, 2016
    Publication date: August 4, 2016
    Applicant: NIHON DEMPA KOGYO CO., LTD.
    Inventors: TOSHIMASA TSUDA, KENICHI KIKUCHI, TOMOTAKA KURODA, DAISUKE NISHIYAMA, HIROYUKI SASAKI, MAKOTO HATANO, HIROYA ISHIKAWA
  • Patent number: 9178226
    Abstract: A fuel cell sealing structure has a power generating body, and first and second separators arranged in both sides in a thickness direction of the power generating body. On a surface in one side in a thickness direction of the first separator, formed integrally first and second sealing protrusions respectively brought into close contact with an outer peripheral portion of the power generating body and the second separator in an outer peripheral side of the first sealing protrusion, and a short circuit prevention rib protruding in line with the first and second sealing protrusions by an electrically insulating rubber-like elastic material. On a surface in another side thereof, formed integrally a third sealing protrusion brought into close contact with a surface in an opposite side to the power generating body in the second separator, by the electrically insulating rubber-like elastic material.
    Type: Grant
    Filed: May 27, 2010
    Date of Patent: November 3, 2015
    Assignee: NOK Corporation
    Inventors: Takeshi Masaka, Yoshihiro Kurano, Shinichiro Taguchi, Kenichi Kikuchi, Tetsuya Urakawa
  • Publication number: 20150155849
    Abstract: A surface mounting quartz crystal unit includes a ceramic substrate, a holding terminal, a metal cover, a signal line terminal and a ground terminal, and a metal layer. The holding terminal holds a crystal resonator on the substrate. The metal cover is arranged to cover the crystal resonator. The signal line terminal and a ground terminal are formed on a rear surface of the substrate. The metal layer bonds the substrate to the metal cover at a part on a front surface of the substrate. The part is in contact with the metal cover. The substrate has a first through via inside the substrate. The first through via connects the holding terminal to the signal line terminal. The substrate has a through conductor at the substrate. The through conductor connects the metal layer to the ground terminal.
    Type: Application
    Filed: October 14, 2014
    Publication date: June 4, 2015
    Inventor: KENICHI KIKUCHI
  • Patent number: 8830157
    Abstract: A display apparatus includes display means for displaying an image, a light source that irradiates light to the display means, and control means for controlling the quantity of light of the light source with pulse width modulation. The control means controls the quantity of light of the light source based on the ratio of the light-on period with pulse width modulation to the light-off period when the light source is turned off.
    Type: Grant
    Filed: October 7, 2008
    Date of Patent: September 9, 2014
    Assignee: Sony Corporation
    Inventors: Hiroaki Ichikawa, Kenichi Kikuchi, Kimio Hatajiri
  • Patent number: 8729775
    Abstract: An exemplary piezoelectric vibrating device includes a piezoelectric vibrating piece that vibrates when electrically energized. A first package plate has a main recess in which the piezoelectric vibrating piece is placed, and a peripheral surface surrounding the recess. A second package plate is bonded to the peripheral surface of the first package plate in airtight manner. A band of adhesive bonds the first package plate to the second package plate. The adhesive band surrounds the peripheral surface. Between the adhesive and the main recess is a band of metal film. The band of metal film prevents gas, generated from the adhesive, from flowing into the recess. The band of metal film surrounds the peripheral surface and is disposed inboard of the band of adhesive.
    Type: Grant
    Filed: June 20, 2011
    Date of Patent: May 20, 2014
    Assignee: Nihon Dempa Kogyo Co., Ltd.
    Inventors: Mitoshi Umeki, Ryoichi Ichikawa, Yoshiaki Amano, Kenji Kamezawa, Kenichi Kikuchi, Noritsugu Matsukura
  • Publication number: 20130317759
    Abstract: An evaluation indicator is calculated to determine whether or not servicing is required, from data for evaluation for a valve that is subject to servicing. An ID of the valve is recorded in a recording area AR1. A pre-servicing evaluation indicator for the valve is recorded in a recording area AR2. A post-servicing evaluation indicator for the valve is recorded in a recording area AR3. If only a pre-servicing evaluation indicator are recorded corresponding to the valve, then a status wherein the service has not been completed is presented together with the evaluation results that are indicated by these pre-servicing evaluation indicators, where if both a pre-servicing evaluation indicator and a post-servicing evaluation indicator are recorded, then a status that service has been completed is presented together with the evaluation results showing the pre-servicing evaluation indicator and the post-servicing evaluation indicator.
    Type: Application
    Filed: May 24, 2013
    Publication date: November 28, 2013
    Applicant: Azbil Corporation
    Inventors: Masato TANAKA, Kenichi KIKUCHI, Isao YAMADA
  • Publication number: 20130239708
    Abstract: A valve-to-be-serviced selecting device is provided with: a simple identification executing portion identifying a service-candidate valve by a method that is relatively non-labor-intensive (a relatively low-cost method), a fine identification executing portion identifying a service-candidate valve by a method that is relatively labor-intensive (a relatively high-cost method), and a valve-to-be-serviced determination processing portion. The valve-to-be-serviced determination processing portion performs the simple identification by the simple identification executing portion for valves 1-1 through 1-n (N valves), and then performs fine identification, through the fine identification executing portion service-candidate valves identified by the simple identification (M valves), to determine those valves to be subjected to servicing from among the valves 1-1 through 1-n.
    Type: Application
    Filed: March 12, 2013
    Publication date: September 19, 2013
    Applicant: AZBIL CORPORATION
    Inventors: Masato TANAKA, Kenichi KIKUCHI, Isao YAMADA
  • Patent number: 8514320
    Abstract: An electronic camera includes a shutter button. When the shutter button is half-depressed, a focal level of an object is determined on the basis of an image signal outputted from an imaging device, and a moving start position of a focus lens is settled on the basis of the determination result. More specifically, a correction amount of the moving start position is settled in accordance with the determination result of the focal level, and a position that subtracts the correction amount from a lens position at a time the shutter button being half-depressed is settled as the moving start position. The higher the focal level, the more reduced the correction amount. The focus lens gradually moves toward the imaging device from the settled moving start position, and a focal position is specified on the basis of the image signal outputted from the imaging device at each step.
    Type: Grant
    Filed: May 11, 2010
    Date of Patent: August 20, 2013
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Kenichi Kikuchi, Kazuhiko Sugimoto
  • Patent number: 8415858
    Abstract: Piezoelectric vibrating pieces are disclosed having selectively roughened surfaces. An exemplary piece is made of a piezoelectric material configured as a piezoelectric substrate. The piece also includes at least one excitation electrode and at least one extraction electrode. The substrate has opposing main surfaces initially having low surface roughness. At least one main surface is formed in a mesa or reverse mesa manner, wherein the central region has a different thickness than the peripheral region. The central region has relatively low surface roughness (irregular unevenness), while the peripheral region has relatively high surface roughness. The excitation electrode is formed on the central region (mesa or reverse mesa) while the extraction electrode (connected to the excitation electrode) is formed on the peripheral region.
    Type: Grant
    Filed: February 18, 2011
    Date of Patent: April 9, 2013
    Assignee: Nihon Dempa Kogyo Co., Ltd.
    Inventors: Manabu Ishikawa, Kenji Shimao, Hiroyuki Sasaki, Mitoshi Umeki, Kenichi Kikuchi
  • Patent number: 8305467
    Abstract: An image pickup apparatus includes an image pickup unit which forms a subject image on an image pickup device through an optical system to generate an image pickup signal; an adjustment unit which changes an optical zoom magnification with respect to the subject image; and a control unit which records image data as a moving image in a memory in response to a moving image recording command, the image data being obtained based on the image pickup signal, and stops recording the moving image for a time period during which the zoom magnification is changed.
    Type: Grant
    Filed: August 27, 2010
    Date of Patent: November 6, 2012
    Assignee: SANYO Electric Co., Ltd.
    Inventor: Kenichi Kikuchi
  • Patent number: 8174487
    Abstract: The disclosure includes various embodiments including, for example: (i) a color liquid crystal display unit has a color display panel of transmissive type and a backlight unit placed behind the color display panel; (ii) a backlight unit has a plurality of LEDs connected in series and a drive unit to drive the LEDs; (iii) a temperature sensor to detect the temperature of LEDs; (iv) groups of LEDs are arranged in regions where the display unit has the same temperature; and (v) a drive unit controls current to be supplied to LEDs in response to temperature detected by the temperature sensor so that the LEDs retain the constant brightness even when the LEDs fluctuate in temperature.
    Type: Grant
    Filed: February 12, 2009
    Date of Patent: May 8, 2012
    Assignee: Sony Corporation
    Inventors: Norimasa Furukawa, Kenichi Kikuchi, Hiroaki Ichikawa
  • Publication number: 20120107718
    Abstract: A fuel cell sealing structure has a power generating body, and first and second separators arranged in both sides in a thickness direction of the power generating body. On a surface in one side in a thickness direction of the first separator, formed integrally first and second sealing protrusions respectively brought into close contact with an outer peripheral portion of the power generating body and the second separator in an outer peripheral side of the first sealing protrusion, and a short circuit prevention rib protruding in line with the first and second sealing protrusions by an electrically insulating rubber-like elastic material. On a surface in another side thereof, formed integrally a third sealing protrusion brought into close contact with a surface in an opposite side to the power generating body in the second separator, by the electrically insulating rubber-like elastic material.
    Type: Application
    Filed: May 27, 2010
    Publication date: May 3, 2012
    Applicant: NOK CORPORATION
    Inventors: Takeshi Masaka, Yoshihiro Kurano, Shinichiro Taguchi, Kenichi Kikuchi, Tetsuya Urakawa
  • Patent number: 8111020
    Abstract: The present invention is directed to a drive apparatus for a backlight unit (20) in which plural LED (Light Emitting Diode) elements are cascade-connected every three primary colors, which comprises a signal generating unit (44) for generating a signal having an arbitrary amplitude, an adjustment unit (50) for adjusting light emission quantities of groups of LED elements (30) on the basis of the signal which has been generated by the signal generating unit (44), a voltage applying unit (41) for applying a predetermined voltage every the groups of LED elements (30), light emission quantity detecting units (33) for detecting quantities of rays of light which have been emitted from the groups of LED elements (30), calorific value detecting units (32) for detecting calorific values emitted from the groups of LED elements in accordance with the voltage which has been applied to the voltage applying unit (41), and a control unit (50) for controlling the signal generating unit (44) on the basis of light emission qua
    Type: Grant
    Filed: January 22, 2010
    Date of Patent: February 7, 2012
    Assignee: Sony Corporation
    Inventors: Norimasa Furukawa, Hiroaki Ichikawa, Kenichi Kikuchi
  • Publication number: 20110316390
    Abstract: An exemplary piezoelectric vibrating device includes a piezoelectric vibrating piece that vibrates when electrically energized. A first package plate has a main recess in which the piezoelectric vibrating piece is placed, and a peripheral surface surrounding the recess. A second package plate is bonded to the peripheral surface of the first package plate in airtight manner. A band of adhesive bonds the first package plate to the second package plate. The adhesive band surrounds the peripheral surface. Between the adhesive and the main recess is a band of metal film. The band of metal film prevents gas, generated from the adhesive, from flowing into the recess. The band of metal film surrounds the peripheral surface and is disposed inboard of the band of adhesive.
    Type: Application
    Filed: June 20, 2011
    Publication date: December 29, 2011
    Inventors: Mitoshi Umeki, Ryoichi Ichikawa, Yoshiaki Amano, Kenji Kamezawa, Kenichi Kikuchi, Noritsugu Matsukura
  • Publication number: 20110227457
    Abstract: Piezoelectric vibrating pieces are disclosed having selectively roughened surfaces. An exemplary piece is made of a piezoelectric material configured as a piezoelectric substrate. The piece also includes at least one excitation electrode and at least one extraction electrode. The substrate has opposing main surfaces initially having low surface roughness. At least one main surface is formed in a mesa or reverse mesa manner, wherein the central region has a different thickness than the peripheral region. The central region has relatively low surface roughness (irregular unevenness), while the peripheral region has relatively high surface roughness. The excitation electrode is formed on the central region (mesa or reverse mesa) while the extraction electrode (connected to the excitation electrode) is formed on the peripheral region.
    Type: Application
    Filed: February 18, 2011
    Publication date: September 22, 2011
    Inventors: Manabu Ishikawa, Kenji Shimao, Hiroyuki Sasaki, Mitoshi Umeki, Kenichi Kikuchi
  • Patent number: 8013912
    Abstract: An image server includes: a focus position control unit for determining a focus position based on a maximum value of focus evaluation detected by a picture signal level detection unit; and a focus lens driver for moving the focus lens in predetermined control volumes based on an instruction from the focus position control means; characterized in that, in case the exposure time is changed to a longer cycle than a predetermined cycle, the focus position control unit determines a large control volume corresponding to the change in exposure time and moves the focus lens with the control volume to detect the maximum value of focus evaluation and performs focus control.
    Type: Grant
    Filed: January 29, 2008
    Date of Patent: September 6, 2011
    Assignee: Panasonic Corporation
    Inventors: Kenichi Kikuchi, Toshihiro Fujiki