Patents by Inventor Yasuyuki Kudo

Yasuyuki Kudo 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: 20150258786
    Abstract: A flow path structure includes: a substrate that includes a first surface and a second surface on a side opposite to the first surface; a supply port formed on the first surface; a plurality of discharge ports formed on the second surface; grooves that are formed on the first surface so as to extend in an X direction and communicate with the supply ports and with the plurality of discharge ports via through-holes formed on the substrate; and a sealing portion that is disposed on the first surface and seals each groove.
    Type: Application
    Filed: March 4, 2015
    Publication date: September 17, 2015
    Inventors: Fujio AKAHANE, Isamu TOGASHI, Hiroaki OKUI, Yasuyuki KUDO
  • Patent number: 9104397
    Abstract: It is provided a computer comprising a nonvolatile memory for storing data, a control processor for controlling the saving of data into the nonvolatile memory, and a battery for supplying power to the computer in case of a failure of an external power supply, wherein the control processor checks a charge amount stored in the battery, calculates an amount of data which can be saved in the nonvolatile memory by the battery in case of a failure of the external power supply based on the checked charge amount, and saves data excluding the amount of data that can be saved, out of data which should be saved into the nonvolatile memory, into the nonvolatile memory in advance.
    Type: Grant
    Filed: October 11, 2012
    Date of Patent: August 11, 2015
    Assignee: Hitachi, Ltd.
    Inventors: Yuki Kuroda, Masashi Takada, Yasuyuki Kudo
  • Publication number: 20150183226
    Abstract: Provided is a self-sealing unit which has two films in a facing state, two end surfaces intersecting with the films, and a plurality of self-sealing valves. The self-sealing valves have diaphragm chambers which are formed by the films and valve bodies which move in accordance with displacement of the films and open/close flow paths. When viewed from a direction perpendicular to a plane to which the self-sealing unit is fixed, the length of a diagonal line connecting intersection points on sides of the diaphragm chambers is set to be longer than that of a diagonal line connecting intersection points on sides of the valve bodies.
    Type: Application
    Filed: December 16, 2014
    Publication date: July 2, 2015
    Inventor: Yasuyuki KUDO
  • Publication number: 20150188091
    Abstract: A display apparatus includes (A) a first substrate where a plurality of light emitting elements, which are formed by laminating a first electrode, a light emitting section which is configured by an organic layer provided with a light emitting layer, and a second electrode, are formed, and (B) a second substrate which is arranged to oppose the first substrate, in which the first substrate is further provided with a light reflecting layer formed of first members which propagate and output light from each light emitting element to an outside and second members placed between two first members, the first members have a truncated cone shape where a cutting head section opposes the light emitting element, a part of light propagated by the first members is completely reflected on opposing surfaces of the second members which oppose the first members.
    Type: Application
    Filed: November 25, 2014
    Publication date: July 2, 2015
    Inventors: Yasuyuki Kudo, Jiro Yamada, Yoko Yamaguchi, Yuichiro Ishiyama, Kazuma Teramoto, Takahide Ishii
  • Publication number: 20150124312
    Abstract: A display unit includes: a first substrate; a second substrate facing the first substrate; a display layer provided between the first substrate and the second substrate and allowed to control light transmission or light reflection; and a seal layer including an additive and provided between the first substrate and the display layer.
    Type: Application
    Filed: October 29, 2014
    Publication date: May 7, 2015
    Applicant: Sony Corporation
    Inventors: Masakazu Mitsugi, Atsuhito Yasui, Hidehiko Takanashi, Ken Kobayashi, Yuriko Kaino, Aya Shuto, Satoko Asaoka, Yasuyuki Kudo, Ryo Kasegawa
  • Publication number: 20150117456
    Abstract: An information processing system according to the present invention includes a plurality of information processing apparatuses connected by a multihop network, and each of the information processing apparatuses includes a first communication unit configured to transmit and receive a first packet including information about a destination address and a second communication unit configured to communicate at a frequency higher than that of the first communication unit and transmit and receive a second packet including a payload, and in each of the information processing apparatuses, when the first communication unit receives the first packet, the second communication unit is woken up, so that efficient data transfer can be achieved while the power consumption is saved.
    Type: Application
    Filed: March 9, 2012
    Publication date: April 30, 2015
    Inventors: Masashi Takada, Yasuyuki Kudo, Takeshi Kato
  • Patent number: 8957845
    Abstract: An image processing unit (2 in FIG. 1) discards a high gray level side of input image data (RiGiBi) in accordance with a chroma coefficient (Csc), thereby to generate a signal of lowered chroma, and it expands the signal into output image data (RoGoBo) of full scale. Besides, the image processing unit (2) generates an image adjustment parameter (Th) and performs a control so as to reduce power of backlight (6), in interlocking with the full-scale expansion.
    Type: Grant
    Filed: June 27, 2013
    Date of Patent: February 17, 2015
    Assignees: Japan Display Inc., Panasonic Liquid Crystal Display Co., Ltd.
    Inventors: Norio Mamba, Naoki Takada, Yasuyuki Kudo, Tsutomu Furuhashi
  • Publication number: 20150008403
    Abstract: Provided is a light emitting apparatus including a substrate including a plurality of light emitting devices, wherein the substrate further includes a plurality of first members configured to diffuse light emitted from at least one of the light emitting devices, and a second member that is positioned between the first members, wherein the second member includes a light absorbing layer.
    Type: Application
    Filed: June 23, 2014
    Publication date: January 8, 2015
    Inventors: Yasuyuki KUDO, Jiro YAMADA, Seiichiro JINTA, Shigeyuki MATSUNAMI
  • Publication number: 20140285574
    Abstract: A head unit, in which unit head rows are formed by respectively arraying unit heads in parallel on both sides of a transmission substrate. The head unit includes a first liquid fluid channel that is disposed on a first side of the transmission substrate and a second liquid fluid channel that is disposed on a second side of the transmission substrate. The unit heads are provided with a flexible cable. A first head fluid channel sandwiches the flexible cable and is provided on a side that is opposite a transmission substrate side. A second head fluid channel is provided on the transmission substrate side. The first head fluid channel is in communication with a first liquid fluid channel on a surface side on which the unit heads are disposed. The second head fluid channel straddles the transmission substrate and is in communication with a second liquid fluid channel on a surface side that is opposite the unit heads.
    Type: Application
    Filed: March 14, 2014
    Publication date: September 25, 2014
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Fujio AKAHANE, Hiroaki OKUI, Keiji HARA, Yasuyuki KUDO
  • Publication number: 20140247291
    Abstract: In a display driver, a first backlight control unit using a histogram and a second backlight control unit using an optical sensor can be used in combination. The display driver includes a PWM generating unit setting a control signal value consisting of a product of a luminance rate of X % and a luminance rate of Y % as a luminance rate of a control signal for controlling a backlight with respect to maximum backlight luminance when a luminance rate of a control signal obtained by first backlight control with respect to the maximum backlight luminance is X % and a luminance rate of a control signal obtained by second backlight control with respect to the maximum backlight luminance is Y %.
    Type: Application
    Filed: May 13, 2014
    Publication date: September 4, 2014
    Applicant: RENESAS ELECTRONICS CORPORATION
    Inventors: Naoki TAKADA, Yasuyuki KUDO, Yoshiki KUROKAWA, Goro SAKAMAKI
  • Patent number: 8823627
    Abstract: The present invention provides a liquid crystal display controller device and method which provides for a full and/or partial display with good display quality and/or low power consumption based on the scanning period for an active scan line being dependent upon a number of reference clock pulses. Some embodiments of the present invention include one or more of the following features: keeping the frequency substantially constant for different numbers of active scan lines, allowing change of the frequency due to characteristics of the LCD, displaying gradation with near linear effective voltage characteristics, displaying graduation data with lower power, or displaying a partial or full screen in a mobile device, for example, a cell phone.
    Type: Grant
    Filed: March 28, 2013
    Date of Patent: September 2, 2014
    Assignee: Renesas Electronics Corporation
    Inventors: Yasuyuki Kudo, Tsutomu Furuhashi, Yoshikazu Yokota, Toshimitsu Matsudo, Atsuhiro Higa
  • Patent number: 8754841
    Abstract: In a display driver, a first backlight control unit using a histogram and a second backlight control unit using an optical sensor can be used in combination. The display driver includes a PWM generating unit setting a control signal value consisting of a product of a luminance rate of X % and a luminance rate of Y % as a luminance rate of a control signal for controlling a backlight with respect to maximum backlight luminance when a luminance rate of a control signal obtained by first backlight control with respect to the maximum backlight luminance is X % and a luminance rate of a control signal obtained by second backlight control with respect to the maximum backlight luminance is Y %.
    Type: Grant
    Filed: January 4, 2013
    Date of Patent: June 17, 2014
    Assignee: Renesas Electronics Corporation
    Inventors: Naoki Takada, Yasuyuki Kudo, Yoshiki Kurokawa, Goro Sakamaki
  • Patent number: 8749729
    Abstract: A light guide plate includes a light-emitting surface, a light-reflecting surface opposed to the light-emitting surface, and a light-incident surface including a protrusion formed continuously along an edge portion of the light-emitting surface. Accordingly, light that has entered the protrusion is transmitted through the protrusion and totally reflected on an inner surface of the light-emitting surface to thus propagate inside the light guide plate. As described above, since incident light components emitted toward an upper portion of the light-incident surface can be effectively blocked by the protrusion, luminance distribution characteristics as well as a light use efficiency can be improved. The light guide plate is produced by a punching press process.
    Type: Grant
    Filed: February 6, 2009
    Date of Patent: June 10, 2014
    Assignee: Sony Corporation
    Inventors: Jun Sasaki, Yasuyuki Kudo, Makoto Aoki, Yosihide Nagata, Mariko Fukuda, Masahiro Ochiai
  • Publication number: 20140132494
    Abstract: A liquid crystal display system including: a liquid crystal display panel for displaying image data; a semiconductor device including a display driving circuit configured to drive the liquid crystal display panel, said display driving circuit having a function of generating gray scale voltages based on a gamma characteristic curve, said display driving circuit including: an interface circuit coupled to plurality of external terminals for inputting a first, second and third value which define the gamma characteristic curve; a first register configured to store the first value that adjusts an amplitude of the gamma characteristic curve; a second register configured to store the second value that adjusts a gradient of the gamma characteristic curve; a third register configured to store the third value making a micro adjustment of the gamma characteristic curve; and a generation circuit configured to generate the gray scale voltages based on the gamma characteristic curve.
    Type: Application
    Filed: January 21, 2014
    Publication date: May 15, 2014
    Applicant: Renesas Electronics Corporation
    Inventors: Yasuyuki KUDO, Akihito AKAI, Kazuo OOKADO, Kazunari KUROKAWA, Hiroki AIZAWA
  • Publication number: 20140104302
    Abstract: A display drive circuit of the invention has: an initial-color-gamut-apex-coordinate-storing unit capable of storing initial color gamut apex coordinates; a user-target-color-gamut-apex-coordinate-storing unit capable of storing user target color gamut apex coordinates; a saturation-expansion-coefficient-deciding unit for deciding expansion coefficients of saturation data based on the initial and user target color gamut apex coordinates; and an expansion unit for expanding saturations of display data based on the saturation expansion coefficients. The expansion coefficients of saturation data are decided based on the initial and user target color gamut apex coordinates, and saturations of display data are expanded according to the expansion coefficients. Thus, the degree of expanding the saturations can be controlled for each color gamut or each of R, G and B color properties of an LC display panel.
    Type: Application
    Filed: December 23, 2013
    Publication date: April 17, 2014
    Applicant: Renesas Electronics Corporation
    Inventors: Yoshiki Kurokawa, Yasuyuki Kudo, Hiroyuki Nitta, Kazuki Homma, Junya Takeda
  • Patent number: 8692962
    Abstract: A diffusion sheet includes: a substrate having a first principal surface and a second principal surface; and structures each in a convex shape formed randomly on the first principal surface or the second principal surface of the substrate. The structures have an identical or almost identical height. The structures have an aspect ratio h/r, where r denotes an average radius of the structures and h denotes an average height of the structures, of more than 0.85 and not more than 1.50. The structures have a filling factor of not less than 60% and not more than 80%.
    Type: Grant
    Filed: May 24, 2010
    Date of Patent: April 8, 2014
    Assignee: Sony Corporation
    Inventors: Akihiro Shibata, Jun Sasaki, Hirofumi Tsuiki, Akihiro Horii, Noriyuki Hirai, Hiroshi Mizuno, Satoko Asaoka, Kanako Hashimoto, Yasuyuki Kudo, Saori Hayashi, Teiichi Miyauchi, Satoshi Sekino, Makoto Aoki
  • Patent number: 8633881
    Abstract: Display driving arrangements including: generation circuit dividing a reference voltage by variable resistors for plural levels of voltages; a decoder circuit decoding gray scale voltage corresponding to the display data among the levels of voltages; and a register setting variable resisters resistance values to adjust amplitude and gradient of the gamma characteristic curve of the gray scale voltages with respect to the gray scale number, the generation circuit having a group of resistive voltage dividing circuits dividing the reference voltage, a variable resister amplitude adjusting the gamma characteristic curve in accordance with register setting values connected with a side of the reference voltage in series, being closer to the side of the reference voltage than the group of resistive voltage dividing circuits, a variable resister to adjust the gradient of the gamma characteristic curve per the register setting values connected within the group of resistive voltage dividing circuits in series.
    Type: Grant
    Filed: February 14, 2012
    Date of Patent: January 21, 2014
    Assignee: Renesas Electronics Corporation
    Inventors: Yasuyuki Kudo, Akihito Akai, Kazuo Ookado, Kazunari Kurokawa, Hiroki Aizawa
  • Patent number: 8633951
    Abstract: A display drive circuit of the invention has: an initial-color-gamut-apex-coordinate-storing unit capable of storing initial color gamut apex coordinates; a user-target-color-gamut-apex-coordinate-storing unit capable of storing user target color gamut apex coordinates; a saturation-expansion-coefficient-deciding unit for deciding expansion coefficients of saturation data based on the initial and user target color gamut apex coordinates; and an expansion unit for expanding saturations of display data based on the saturation expansion coefficients. The expansion coefficients of saturation data are decided based on the initial and user target color gamut apex coordinates, and saturations of display data are expanded according to the expansion coefficients. Thus, the degree of expanding the saturations can be controlled for each color gamut or each of R, G and B color properties of an LC display panel.
    Type: Grant
    Filed: November 26, 2012
    Date of Patent: January 21, 2014
    Assignee: Renesas Electronics Corporation
    Inventors: Yoshiki Kurokawa, Yasuyuki Kudo, Hiroyuki Nitta, Kazuki Homma, Junya Takeda
  • Patent number: 8576255
    Abstract: A luminance distribution at the highest gradation level is corrected to a curved plane luminance distribution in such a manner that the maximum gradation input to a display panel shows a curved luminance plane having the highest luminance at the center of the display panel and a lower luminance in the peripheral area of the display panel. The luminance distribution at the minimum gradation is corrected in such a manner that the minimum gradation shows a curved luminance plane having the lowest luminance at the center of the display panel and a higher luminance in the peripheral area of the display panel.
    Type: Grant
    Filed: December 6, 2007
    Date of Patent: November 5, 2013
    Assignees: Hitachi Displays, Ltd., Panasonic Liquid Crystal Display Co., Ltd.
    Inventors: Yukari Katayama, Yasuyuki Kudo, Norio Mamba, Yoshinori Tanaka
  • Patent number: 8552946
    Abstract: In a display device and a display driver, when a grayscale of a display image is equal to or lower than a specific grayscale value obtained from a histogram of the display image, a display grayscale is extended with a linear function. On the other hand, when a grayscale of a display image is equal to or higher than the specific grayscale value, histogram equalization of a part higher than the specific grayscale value is performed, and the display grayscale is extended with a non-linear function obtained from the histogram equalization.
    Type: Grant
    Filed: April 24, 2008
    Date of Patent: October 8, 2013
    Assignee: Renesas Electronics Corporation
    Inventors: Yoshiki Kurokawa, Yukari Katayama, Hiroki Awakura, Naoki Takada, Yasuyuki Kudo, Akihito Akai, Goki Toshima, Akihisa Aoyama, Goro Sakamaki