Patents by Inventor Takeshi Adachi

Takeshi Adachi 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: 10312402
    Abstract: The composition for forming a p-type diffusion layer in accordance with the present invention contains an acceptor element-containing glass powder and a dispersion medium. A p-type diffusion layer and a photovoltaic cell having a p-type diffusion layer are prepared by applying the composition for forming a p-type diffusion layer, followed by a thermal diffusion treatment.
    Type: Grant
    Filed: April 26, 2014
    Date of Patent: June 4, 2019
    Assignee: HITACHI CHEMICAL COMPANY, LTD.
    Inventors: Youichi Machii, Masato Yoshida, Takeshi Nojiri, Kaoru Okaniwa, Mitsunori Iwamuro, Shuichiro Adachi
  • Patent number: 10292250
    Abstract: An ESD protection device includes an insulating ceramic body including a cavity portion, an auxiliary electrode including a first and second main surfaces, the auxiliary electrode being embedded in the insulating ceramic body such that a side end portion of the auxiliary electrode between the first and second main surfaces is exposed to the cavity portion, and first and second discharge electrodes embedded in the insulating ceramic body such that main surfaces of the first and second discharge electrodes face each other with the auxiliary electrode interposed therebetween, the auxiliary electrode including first and second auxiliary electrode layers, the first auxiliary electrode layer having a higher content of a conductive material than the second auxiliary electrode layer, the first auxiliary electrode layer being joined to at least one of the first and second discharge electrodes.
    Type: Grant
    Filed: December 7, 2017
    Date of Patent: May 14, 2019
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Jun Adachi, Takeshi Miki, Takahiro Sumi
  • Patent number: 8972203
    Abstract: By using information collected on-site, estimation of a damage area at that time and also prediction regarding subsequent expansion of a disaster-affected area are performed. The estimation device includes a storage unit that stores an exposure calculation formula expressing an exposure amount, which is an integrated value of the concentration of a material with respect to time, at a certain time and a certain position, by using the diffusivity and flow rate of the material; an information-acquisition unit that acquires position information of disaster victims at a prescribed time as input information; and a calculation unit that obtains a critical value of the exposure amount by applying the position information of each disaster victim at the prescribed time to the exposure calculation formula and that specifies the disaster-affected area at the prescribed time on the basis of the exposure calculation formula for when the critical value is obtained.
    Type: Grant
    Filed: August 24, 2010
    Date of Patent: March 3, 2015
    Assignee: Mitsubishi Heavy Industries, Ltd.
    Inventors: Shigehiro Nukatsuka, Akiyoshi Sato, Takeshi Adachi, Kotaro Nariki
  • Patent number: 8780035
    Abstract: A liquid crystal display includes a backlight implemented by an LED (12) and a liquid crystal display element (11). The liquid crystal display performs an image analysis of an image represented by an input image signal and adjusts image quality by performing a control process for the liquid crystal display element (11) and a control process for the backlight implemented by the LED (12) based on results of the image analysis.
    Type: Grant
    Filed: December 10, 2008
    Date of Patent: July 15, 2014
    Assignees: Mitsumi Electric Co., Ltd., ATRC Corporation
    Inventor: Takeshi Adachi
  • Patent number: 8766905
    Abstract: A backlight device which uses a light emitting diode as a light source, the back light device being configured to irradiate a liquid crystal display panel from a rear surface of the liquid crystal display panel, the backlight device having a structure where plural lines are provided on a backlight board with a certain gap, each of the lines being where plural of the light emitting diodes are provided, the backlight device includes a light emitting diode driving part configured to segment an entire screen of the backlight board into plural segmented regions and configured to independently control brightness of the light emitting diodes with a segmented region unit.
    Type: Grant
    Filed: November 11, 2008
    Date of Patent: July 1, 2014
    Assignees: Mitsumi Electric Co., Ltd., ATRC Corporation
    Inventor: Takeshi Adachi
  • Patent number: 8736542
    Abstract: A backlight using multiple light-emitting diodes as a light source and illuminating a liquid crystal display panel from its back, the light-emitting diodes being formed of units, the units each being a minimum unit of m×n (where m and n are natural numbers), includes a driving part configured to drive the light-emitting diodes on a unit-by-unit basis; a block setting part configured to group two or more of the units into a block; and a luminance controlling part configured to control the luminance of the light-emitting diodes of the block independently on a block-by-block basis.
    Type: Grant
    Filed: November 7, 2008
    Date of Patent: May 27, 2014
    Assignees: Mitsumi Electric Co., Ltd., ATRC Corporation
    Inventor: Takeshi Adachi
  • Patent number: 8723784
    Abstract: A brightness control apparatus configured to perform brightness control for backlights formed by plural light-emitting elements for a display screen, including: a pulse control signal transmit unit configured to transmit a pulse control signal for performing driving control on the plural light-emitting elements based on a preset brightness control signal; a voltage control unit configured to control a voltage of the pulse control signal obtained by the pulse control signal transmit unit for each set of light-emitting elements of the same color so as to correct brightness variation in a regular state for the plural light-emitting elements; and a current control unit configured to control a current for each of the plural light-emitting elements based on a voltage value obtained by the voltage control unit so as to correct brightness variation due to temperature change or temporal change.
    Type: Grant
    Filed: November 30, 2011
    Date of Patent: May 13, 2014
    Assignees: Mitsumi Electric Co., Ltd., ATRC Corporation
    Inventor: Takeshi Adachi
  • Patent number: 8724051
    Abstract: A backlight device includes a light source configured to light a liquid crystal panel from a back surface of the liquid crystal panel, wherein the light source includes a white light emitting diode, and a colored light emitting diode portion.
    Type: Grant
    Filed: September 19, 2008
    Date of Patent: May 13, 2014
    Assignees: Mitsumi Electric Co., Ltd., ATRC Corporation
    Inventor: Takeshi Adachi
  • Patent number: 8724897
    Abstract: A picture quality controlling device (10) that controls a picture quality for an image signal which is input including: a histogram generation unit (14) generating a histogram for at least one of brightness, chromaticity, color, and frequency information pieces from an image contained in the image signal; a threshold value comparing unit (17) comparing the histogram with a threshold value previously set for the histogram in order to determine whether control of the picture quality for the image signal is necessary; and a picture quality controlling unit (18) extracting a histogram pattern corresponding to the histogram from a reference table including plural predetermined histogram patterns, and controlling the picture quality based on a controlled parameter corresponding to the extracted histogram pattern if the control is determined to be necessary based on a result obtained by the threshold value comparing unit.
    Type: Grant
    Filed: January 17, 2011
    Date of Patent: May 13, 2014
    Assignees: Mitsumi Electric Co., Ltd., ATRC Corporation
    Inventor: Takeshi Adachi
  • Patent number: 8670079
    Abstract: A video display device displays an image of an input video signal. In the video display device, the video signal is supplied to a frequency component analyzing device, and the frequency component analyzing device extracts a frequency of each of frequency bands from video information of one screen with respect to the image. An image quality control circuit of the video display device performs an image quality control of the image based on the extracted frequencies of the respective frequency bands.
    Type: Grant
    Filed: December 10, 2008
    Date of Patent: March 11, 2014
    Assignees: Mitsumi Electric Co., Ltd., ATRC Corporation
    Inventor: Takeshi Adachi
  • Patent number: 8594421
    Abstract: A color correction circuit includes a detection part configured to detect the luminance information and chromaticity histogram information of an input video signal of one of an RGB color space and a YCbCr color space, the chromaticity histogram information including chroma and hue information; and a control part configured to control the color reproduction of the video signal based on the luminance information and the chromaticity histogram information detected by the detection part. The detection part includes a hue detection part configured to convert the video signal to an HSV color space and to detect a hue of the video signal from hues of the HSV color space.
    Type: Grant
    Filed: September 5, 2008
    Date of Patent: November 26, 2013
    Assignees: Mitsumi Electric Co., Ltd., ATRC Corporation
    Inventor: Takeshi Adachi
  • Patent number: 8508560
    Abstract: A disclosed liquid crystal displaying device having a liquid crystal displaying unit and a backlight unit includes a signal processing unit dividing an input signal into plural blocks in conformity with a predetermined number of dividing a screen of the backlight unit, a high frequency component acquiring unit acquiring high frequency components for the blocks; a signal component analyzing unit analyzing signal components of the input signal for the blocks, a low frequency component acquiring unit acquiring low frequency components for the blocks, a backlight driving signal generating unit generating a backlight driving signal based on signals acquired by the signal component analyzing unit and the low frequency component acquiring unit, an inverter inverting the backlight driving signal, and a synthesizing unit acquiring a synthesized signal displayed by the liquid crystal displaying unit based on the input signal, the high frequency components, and the inverted driving signal.
    Type: Grant
    Filed: December 3, 2010
    Date of Patent: August 13, 2013
    Assignees: Mitsumi Electric Co., Ltd., ATRC Corporation
    Inventor: Takeshi Adachi
  • Patent number: 8482512
    Abstract: A liquid crystal backlight apparatus being placed behind a liquid crystal display panel in a manner facing the liquid crystal display panel and illuminating the liquid crystal display panel from behind with a backlight having plural light emitting diodes as a light source, the liquid crystal backlight apparatus including a control part configured to use 0.1-0.5 watt white light emitting diodes as the plural light emitting diodes and independently control luminance of the white light emitting diodes separately.
    Type: Grant
    Filed: March 4, 2009
    Date of Patent: July 9, 2013
    Assignees: Mitsumi Electric Co., Ltd., ATRC Corporation
    Inventors: Takeshi Adachi, Kohji Nagano
  • Publication number: 20120317230
    Abstract: A network apparatus includes a learning table that stores transmission destination information, which is used in transmitting a frame to a node, in association with an address of a node of a transmission destination, an address inquiring unit that transmits, when detecting a frame indicating a transmission request and transmission destination information associated with an address of a transmission destination of the detected frame is not stored in the storing unit, an inquiry request for the transmission destination information to an adjacent node, the inquiry request being added with a predetermined number of hops indicating a number of nodes to which the inquiring request is transmitted, and a frame transmitting unit that transmits, based on response information to the inquiry request, the frame indicating the transmission request.
    Type: Application
    Filed: June 7, 2012
    Publication date: December 13, 2012
    Applicant: FUJITSU LIMITED
    Inventors: Takahiro SHIRAKAWA, Daisuke HAMA, Takeshi ADACHI, Jun HASEGAWA, Takahiro KOHARAGI, Takuji FURUSAWA, Hiroaki KAWASUMI, Masaharu NOZAWA, Katsumi KOBAYASHI
  • Publication number: 20120288197
    Abstract: A picture quality controlling device (10) that controls a picture quality for an image signal which is input including: a histogram generation unit (14) generating a histogram for at least one of brightness, chromaticity, color, and frequency information pieces from an image contained in the image signal; a threshold value comparing unit (17) comparing the histogram with a threshold value previously set for the histogram in order to determine whether control of the picture quality for the image signal is necessary; and a picture quality controlling unit (18) extracting a histogram pattern corresponding to the histogram from a reference table including plural predetermined histogram patterns, and controlling the picture quality based on a controlled parameter corresponding to the extracted histogram pattern if the control is determined to be necessary based on a result obtained by the threshold value comparing unit.
    Type: Application
    Filed: January 17, 2011
    Publication date: November 15, 2012
    Inventor: Takeshi Adachi
  • Publication number: 20120203471
    Abstract: A generation source estimation apparatus of a diffusion material is featured by including: an observation information acquisition section which acquires position information, and measured concentration information from each of the observers; a virtual grid setting section which sets virtual discharge points on a virtual grid; an influence function calculation section which calculates influence functions; a residual norm calculation section which calculates, for each of the virtual discharge points, a residual norm that is the sum of squares of a difference between the concentration information acquired from each of the observers, and the product of the influence function associating the virtual discharge point with each of the observers, and the discharge intensity at the virtual discharge point; and an estimation section which estimates, as a discharge point, the virtual discharge point corresponding to the residual norm smallest among the residual norms calculated respectively for all the virtual discharge
    Type: Application
    Filed: March 29, 2012
    Publication date: August 9, 2012
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Tomohiro Hara, Shigehiro Nukatsuka, Akiyoshi Sato, Nobuhiro Hayakawa, Takeshi Adachi
  • Publication number: 20120158312
    Abstract: By using information collected on-site, estimation of a damage area at that time and also prediction regarding subsequent expansion of a disaster-affected area are performed.
    Type: Application
    Filed: August 24, 2010
    Publication date: June 21, 2012
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Shigehiro Nukatsuka, Akiyoshi Sato, Takeshi Adachi, Kotaro Nariki
  • Publication number: 20120139968
    Abstract: A brightness control apparatus configured to perform brightness control for backlights formed by plural light-emitting elements for a display screen, including: a pulse control signal transmit unit configured to transmit a pulse control signal for performing driving control on the plural light-emitting elements based on a preset brightness control signal; a voltage control unit configured to control a voltage of the pulse control signal obtained by the pulse control signal transmit unit for each set of light-emitting elements of the same color so as to correct brightness variation in a regular state for the plural light-emitting elements; and a current control unit configured to control a current for each of the plural light-emitting elements based on a voltage value obtained by the voltage control unit so as to correct brightness variation due to temperature change or temporal change.
    Type: Application
    Filed: November 30, 2011
    Publication date: June 7, 2012
    Applicants: ATRC CORPORATION., MITSUMI ELECTRIC CO., LTD.
    Inventor: Takeshi ADACHI
  • Publication number: 20120133686
    Abstract: A backlight device includes a plurality of light emitting devices arranged at predetermined positions to act as backlight for a display screen, and a plurality of drive circuits that supply currents to the plurality of light emitting devices, wherein the plurality of drive circuits include a first drive circuit and a second drive circuit, and the plurality of light emitting devices include a plurality of first light emitting devices and a plurality of second light emitting devices, the plurality of first light emitting devices being connected in series to the first drive circuit, and the plurality of second light emitting devices being connected in series to the second drive circuit, and wherein the plurality of light emitting devices are spatially placed in an alternating arrangement of one or more of the first light emitting devices and one or more of the second light emitting devices.
    Type: Application
    Filed: November 25, 2011
    Publication date: May 31, 2012
    Applicants: ATRC CORPORATION, MITSUMI ELECTRIC CO., LTD.
    Inventor: Takeshi ADACHI
  • Publication number: 20120120123
    Abstract: A backlight apparatus for illuminating a display unit, includes: light-emitting elements that are arranged at predetermined intervals; and a driving control unit configured to supply currents to the light-emitting elements so as to control driving of the light-emitting elements, wherein the light-emitting elements include a pair of a first light emitting-element and a second light-emitting element that are connected to the driving control unit and that are connected in parallel to each other, in which the first light-emitting element is connected in a direction opposite to a direction in which the second light-emitting element is connected.
    Type: Application
    Filed: November 9, 2011
    Publication date: May 17, 2012
    Inventor: Takeshi ADACHI