Patents by Inventor Yoshihisa Yamada

Yoshihisa Yamada 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: 8488889
    Abstract: An image encoder including: a predicted-image generating unit that generates a predicted image in accordance with a plurality of prediction modes indicating predicted-image generating methods; a prediction-mode judging unit that evaluates prediction efficiency of a predicted image outputted from the predicted-image generating unit to judge a predetermined prediction mode; and an encoding unit that subjects an output of the prediction-mode judging unit to variable-length encoding.
    Type: Grant
    Filed: October 31, 2007
    Date of Patent: July 16, 2013
    Assignee: Mitsubishi Electric Corporation
    Inventors: Yoshimi Moriya, Shunichi Sekiguchi, Kazuo Sugimoto, Yoshihisa Yamada, Koutarou Asai, Tokumichi Murakami, Yuichi Idehara
  • Patent number: 8467450
    Abstract: A macro block size determining unit 1 determines the size of each macro block on a frame-by-frame basis. A macro block dividing unit 2 divides an inputted image into macro blocks each having the size determined by the macro block size determining unit 1. A macro block coding unit 3 determines a coding mode for each of the macro blocks divided by the macro block dividing unit 2, and codes pixel values in each of the macro blocks in the determined coding mode.
    Type: Grant
    Filed: September 22, 2006
    Date of Patent: June 18, 2013
    Assignee: Mitsubishi Electric Corporation
    Inventors: Yoshimi Moriya, Shunichi Sekiguchi, Yoshihisa Yamada, Kohtaro Asai
  • Patent number: 8422092
    Abstract: An embodiment of the present invention provides an illuminating device that is disposed in an image-reading apparatus and image-forming equipment, including a light-source portion on one side; a light-source portion on the other side; and a long translucent light-guiding member having a light-discharging face long in a longitudinal direction thereof, and guiding light derived from the one light-source portion from one end face in the longitudinal direction, and light derived from the other light-source portion from the other end face in the longitudinal direction so that the guided light is irradiated to an object through the long light-discharging face; wherein the one and the other light-source portions are arranged such that positions of optical axes thereof differ from each other in a direction that is parallel to a light-irradiated face of the object and in a direction that is perpendicular to the longitudinal direction of the light-guiding member.
    Type: Grant
    Filed: November 12, 2009
    Date of Patent: April 16, 2013
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Yasuhiro Suto, Mitsuharu Yoshimoto, Tomohiko Okada, Shohichi Fukutome, Hisashi Yamanaka, Kenji Nakanishi, Yoshihisa Yamada
  • Patent number: 8422803
    Abstract: An encoding device includes a color component separating unit for separating an input bit stream for the respective color components, a block dividing unit for dividing an input color component signal into blocks to generate a signal of an encoding unit area, a predicted image generating unit for generating a predicted image for the signal, a determining unit for determining a prediction mode used for encoding according to a prediction efficiency of the predicted image, a prediction error encoding unit for encoding a difference between the predicted image corresponding to the prediction mode determined by the determining unit and the input color component signal, and an encoding unit for variable length-coding the prediction mode, an output from the prediction error encoding unit, and a color component identification flag indicating the color component to which the input bit stream belongs as a result of the color component separation.
    Type: Grant
    Filed: October 30, 2007
    Date of Patent: April 16, 2013
    Assignee: Mitsubishi Electric Corporation
    Inventors: Shunichi Sekiguchi, Shuichi Yamagishi, Yoshimi Moriya, Yoshihisa Yamada, Kohtaro Asai, Tokumichi Murakami, Yuichi Idehara
  • Patent number: 8414330
    Abstract: A connector includes a cylindrical body including a latching protrusion and a lance, and a terminal disposed in the cylindrical body. The latching protrusion protrudes from an inner circumferential face of the cylindrical body in a radial direction of the cylindrical body. The lance extends in an axial direction of the cylindrical body in an inclined state relative to the inner circumferential face. The latching protrusion is situated at a position shifted from that of the lance in the axial direction. The terminal includes a holding section at a middle portion thereof in the axial direction, and the holding section includes a first face contacting with the latching protrusion and a second face contacting with the lance.
    Type: Grant
    Filed: March 23, 2011
    Date of Patent: April 9, 2013
    Assignee: Hirose Electric Co., Ltd.
    Inventor: Yoshihisa Yamada
  • Patent number: 8415938
    Abstract: The invention provides a technique to widely spread the frequency spectrum of switching noise generated by a switching action and to reduce the noise level at a particular frequency. A switching regulator (6A) includes a computing unit with computing function. First, in the computing unit, a pulse-width-modulation processing unit (PWM) (2a) performs pulse-width-modulation processing of receiving a feedback signal corresponding to the output of a detector 1 to determine an on-duty cycle of a pulse signal. Subsequently, for the signal and data obtained by the PWM (2a) to be subjected to further modulation processing for spectrum spreading, a branching processing is performed by making changing-over unit (2d) randomly select asynchronous-modulation processing unit (ASM) (2e) or pulse-position-modulation processing unit (PPM). When the PPM is selected, another branching processing is performed by making the changing-over unit (2d) select a first PPM (2f) or a second PPM (2g) depending on the on-duty cycle.
    Type: Grant
    Filed: March 27, 2009
    Date of Patent: April 9, 2013
    Assignees: National University Corporation Gunma University, Asahi Kasei Microdevices Corporation
    Inventors: Ibuki Mori, Yoshihisa Yamada, Masashi Kono, Haruo Kobayashi, Toshio Sugiyama
  • Publication number: 20130076288
    Abstract: When a servo device receives the frequency setting signal as a control signal through the receiver from the transmitter, it select the information in conformity with the received frequency setting signal among the driving frequency setting information as stored in advance. When the handling signal is input as the control signal by the transmitter, the servo device is configured to transform the difference data taken synchronously with the difference data timing signal from the pulse width comparison part into the selected driving frequency. The servo device is configured to generate the driving signal from the transformed difference data signal of the desired corresponding count value range, and to perform drive control the driving feature.
    Type: Application
    Filed: September 12, 2012
    Publication date: March 28, 2013
    Applicants: Semiconductor Components Industries, LLC, Futaba Corporation
    Inventors: Hiroyuki Tsuchiya, Yoshihisa Yamada
  • Patent number: 8405888
    Abstract: In regard to a secured original method, an image reading apparatus provided in an image forming apparatus reads a first original guide using an original reading portion and, based on a reading result thereof, changes a reading position of an adjustment sheet in a main scanning direction to enable detection of a difference between a brightness of the first original guide and a brightness of the adjustment sheet. In regard to a moving original method, the image reading apparatus reads a reading member using the original reading portion and, based on a reading result thereof, changes a reading position of an adjustment sheet in a main scanning direction to enable detection of a difference between a brightness of the reading member and a brightness of the adjustment sheet.
    Type: Grant
    Filed: March 19, 2010
    Date of Patent: March 26, 2013
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Shohichi Fukutome, Mitsuharu Yoshimoto, Kenji Nakanishi, Yasuhiro Suto, Hisashi Yamanaka, Yoshihisa Yamada
  • Patent number: 8401079
    Abstract: A moving picture decoding method and a decoder for restoring a moving picture signal is disclosed. The decoder includes a decoding unit that decodes the differential signal, a motion vector, and a shape information indicating a shape of a block that becomes a unit for the motion compensated prediction by using an encoded bitstream. The shape information indicates an accuracy of virtual pixel and an interpolation filtering method. The decoder also includes a motion compensating unit that determines that the accuracy of virtual pixel and the interpolation filtering method is to be used in generating the predicted picture based on the shape of the block that becomes the unit for the motion compensated prediction, and generating the predicted picture containing the virtual pixel with reference to the reference pictures stored in a frame memory using the motion vector decoded by the decoding unit according to a determination result.
    Type: Grant
    Filed: October 29, 2007
    Date of Patent: March 19, 2013
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Shunichi Sekiguchi, Yoshihisa Yamada, Kohtaro Asai
  • Publication number: 20130038434
    Abstract: An on-vehicle display device includes a first display section provided in an area within a width of a steering wheel of a vehicle viewed from a driver sitting on a driver seat of the vehicle and which displays at least one piece of report information concerning a state of the vehicle, a second display section provided in an area outside the width of the steering wheel viewed from the driver and which displays an image, and a control section which controls displays of the first display section and the second display section respectively. When a piece of report information is displayed on the first display section, the control section controls to display an information image corresponding to the piece of report information on the second display section.
    Type: Application
    Filed: May 25, 2011
    Publication date: February 14, 2013
    Applicant: YAZAKI CORPORATION
    Inventors: Yoshihisa Yamada, Kenichirou Kawamura, Shuichi Ishibashi
  • Patent number: 8369404
    Abstract: Encoding and decoding are uniformly carried out for a plurality of chroma formats. Based on a control signal for providing a chroma format type of an input moving image signal, in the case of a chroma format of 4:2:0 or 4:2:2, a first intra prediction mode deciding unit and a first intra prediction image generation unit are applied to a luminance component of the input moving image signal, and a second intra prediction mode deciding unit and a second intra prediction image generation unit are applied to a chrominance component. In the case of a chroma format of 4:4:4, the first intra prediction mode deciding unit and the first intra prediction image generation unit are applied to all color components to carry out encoding, and a variable length encoding unit multiplexes the control signal as encoding data to be applied to a moving image sequence unit on a bit stream.
    Type: Grant
    Filed: October 26, 2007
    Date of Patent: February 5, 2013
    Assignee: Mitsubishi Electric Corporation
    Inventors: Shunichi Sekiguchi, Yoshimi Moriya, Kazuo Sugimoto, Yoshihisa Yamada, Kohtaro Asai, Tokumichi Murakami, Yuichi Idehara
  • Publication number: 20130022124
    Abstract: Disclosed is an image encoding device which is constructed in such a way as to include an encoding mode determining unit 4 for evaluating the degree of efficiency of encoding of a difference image A which is the difference between an image of a macroblock to be encoded, and a prediction image A generated by a motion-compensated prediction unit 2 in a motion prediction mode A, and also evaluating the degree of efficiency of encoding of a difference image B which is the difference between the image of the macroblock to be encoded, and a prediction image B generated by the motion-compensated prediction unit 2 in a motion prediction mode B, and for selecting a difference image having a higher degree of encoding efficiency.
    Type: Application
    Filed: March 7, 2011
    Publication date: January 24, 2013
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Shunichi Sekiguchi, Yusuke Itani, Kazuo Sugimoto, Yoshihisa Yamada
  • Patent number: 8354946
    Abstract: A digital decoding apparatus and method for receiving and decoding a compression-coded digital signal in predetermined transmission units is disclosed.
    Type: Grant
    Filed: January 5, 2011
    Date of Patent: January 15, 2013
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Shunichi Sekiguchi, Yoshihisa Yamada, Kohtaro Asai
  • Patent number: 8348353
    Abstract: A brake control device that controls braking forces applied to wheels to stabilize the behavior of a vehicle turning a corner, and includes a turning condition detection unit detecting a turning condition of the vehicle; a braking amount setting unit setting braking amounts for the respective wheels based on the turning condition detected by the turning condition detection unit; a brake control unit applying braking forces to the wheels according to the braking amounts set by the braking amount setting unit; and a road surface friction coefficient estimation unit estimating a road surface friction coefficient of the road on which the vehicle is running. The braking amount setting unit changes upper limits of the braking amounts for the respective wheels according to the road surface friction coefficient when the vehicle is in a center differential lock mode or a direct four-wheel drive mode.
    Type: Grant
    Filed: November 28, 2007
    Date of Patent: January 8, 2013
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Yoshihisa Yamada, Yasushi Kobayashi, Tatsushi Takasu, Kota Shimoga
  • Patent number: 8345968
    Abstract: An encoding device includes a color component separating unit for separating an input bit stream for the respective color components, a block dividing unit for dividing an input color component signal into blocks to generate a signal of an encoding unit area, a predicted image generating unit for generating a predicted image for the signal, a determining unit for determining a prediction mode used for encoding according to a prediction efficiency of the predicted image, a prediction error encoding unit for encoding a difference between the predicted image corresponding to the prediction mode determined by the determining unit and the input color component signal, and an encoding unit for variable length-coding the prediction mode, an output from the prediction error encoding unit, and a color component identification flag indicating the color component to which the input bit stream belongs as a result of the color component separation.
    Type: Grant
    Filed: October 30, 2007
    Date of Patent: January 1, 2013
    Assignee: Mitsubishi Electric Corporation
    Inventors: Shunichi Sekiguchi, Shuichi Yamagishi, Yoshimi Moriya, Yoshihisa Yamada, Kohtaro Asai, Tokumichi Murakami, Yuichi Idehara
  • Patent number: 8320462
    Abstract: The present invention makes it possible to include, when encoding processing is applied to three color components using a 4:0:0 format, data for one picture in one access unit and makes it possible to set the same time information or the same set encoding modes among the respective color components. In an image encoding system for applying compression processing to an input image signal including a plurality of color components, encoded data obtained by independently subjecting an input image signal of each of the color components to encoding processing and a parameter indicating which color component the encoded data corresponds to are multiplexed with a bit stream. In an image decoding system for inputting a bit stream in which an image signal including a plurality of color components is compressed to perform decoding processing, decoding processing of the encoded data of each of the color components is performed using a parameter indicating which color component the encoded data corresponds to.
    Type: Grant
    Filed: June 19, 2006
    Date of Patent: November 27, 2012
    Assignee: Mitsubishi Electric Corporation
    Inventors: Shunichi Sekiguchi, Yoshimi Moriya, Kazuo Sugimoto, Yoshihisa Yamada, Kohtaro Asai, Tokumichi Murakami, Yuuichi Idehara
  • Patent number: 8306112
    Abstract: The present invention makes it possible to include, when encoding processing is applied to three color components using a 4:0:0 format, data for one picture in one access unit and makes it possible to set the same time information or the same set encoding modes among the respective color components. In an image encoding system for applying compression processing to an input image signal including a plurality of color components, encoded data obtained by independently subjecting an input image signal of each of the color components to encoding processing and a parameter indicating which color component the encoded data corresponds to are multiplexed with a bit stream. In an image decoding system for inputting a bit stream in which an image signal including a plurality of color components is compressed to perform decoding processing, decoding processing of the encoded data of each of the color components is performed using a parameter indicating which color component the encoded data corresponds to.
    Type: Grant
    Filed: October 31, 2007
    Date of Patent: November 6, 2012
    Assignee: Mitsubishi Electric Corporation
    Inventors: Shunichi Sekiguchi, Yoshimi Moriya, Kazuo Sugimoto, Yoshihisa Yamada, Kohtaro Asai, Tokumichi Murakami, Yuichi Idehara
  • Patent number: 8300694
    Abstract: The present invention makes it possible to include, when encoding processing is applied to three color components using a 4:0:0 format, data for one picture in one access unit and makes it possible to set the same time information or the same set encoding modes among the respective color components. In an image encoding system for applying compression processing to an input image signal including a plurality of color components, encoded data obtained by independently subjecting an input image signal of each of the color components to encoding processing and a parameter indicating which color component the encoded data corresponds to are multiplexed with a bit stream. In an image decoding system for inputting a bit stream in which an image signal including a plurality of color components is compressed to perform decoding processing, decoding processing of the encoded data of each of the color components is performed using a parameter indicating which color component the encoded data corresponds to.
    Type: Grant
    Filed: October 31, 2007
    Date of Patent: October 30, 2012
    Assignee: Mitsubishi Electric Corporation
    Inventors: Shunichi Sekiguchi, Yoshimi Moriya, Kazuo Sugimoto, Yoshihisa Yamada, Kohtaro Asai, Tokumichi Murakami, Yuichi Idehara
  • Patent number: 8300700
    Abstract: The present invention makes it possible to include, when encoding processing is applied to three color components using a 4:0:0 format, data for one picture in one access unit and makes it possible to set the same time information or the same set encoding modes among the respective color components. In an image encoding system for applying compression processing to an input image signal including a plurality of color components, encoded data obtained by independently subjecting an input image signal of each of the color components to encoding processing and a parameter indicating which color component the encoded data corresponds to are multiplexed with a bit stream. In an image decoding system for inputting a bit stream in which an image signal including a plurality of color components is compressed to perform decoding processing, decoding processing of the encoded data of each of the color components is performed using a parameter indicating which color component the encoded data corresponds to.
    Type: Grant
    Filed: October 31, 2007
    Date of Patent: October 30, 2012
    Assignee: Mitsubishi Electric Corporation
    Inventors: Shunichi Sekiguchi, Yoshimi Moriya, Kazuo Sugimoto, Yoshihisa Yamada, Kohtaro Asai, Tokumichi Murakami, Yuichi Idehara
  • Patent number: 8295350
    Abstract: A segmenting section divides an input image into a plurality of segments. A hierarchizing section determines classes of the respective segments according to a predetermined criterion, and produces a class identification signal indicating the classes of the respective segments. A coding section encodes the segmented image signal into code data while changing the value of a coding control parameter for each of the segments in accordance with the class identification signal. Examples of the coding control parameter are a coding time interval and precision of quantization.
    Type: Grant
    Filed: April 30, 2010
    Date of Patent: October 23, 2012
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Tokumichi Murakami, Kohtaro Asai, Yoshihisa Yamada