Patents by Inventor Yasuhiro Kume

Yasuhiro Kume 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: 20110102477
    Abstract: A backlight unit (60) is provided in such a manner that light (L3) incident from the backlight unit (60) to a liquid crystal display element (20) in a diagonal direction that causes the light to be likely to be emitted from the liquid crystal display element (20) in a normal direction thereof has lower intensity than light (L2) incident from the backlight unit (60) to the liquid crystal display element (20) in another diagonal direction.
    Type: Application
    Filed: December 11, 2008
    Publication date: May 5, 2011
    Inventors: Tomoko Nango, Takashi Kurihara, Yasuhiro Kume, Masayuki Hata, Takaaki Okamoto, Kazuhito Matsumoto, Koji Yabuta, Hideki Fujimoto, Norikazu Hohshi, Masakazu Wada, Tomohisa Matsushita
  • Patent number: 7893707
    Abstract: There is provided a physical property measuring method for a TFT liquid crystal panel, includes an impedance setting step of setting the impedance between the source and drain of a TFT of the TFT liquid crystal panel to be less than or equal to a predetermined value, a voltage application step of applying a voltage that cyclically varies to a liquid crystal layer of the TFT liquid crystal panel. And the method further includes a physical property measuring step of measuring a transient current flowing through the liquid crystal layer to which the voltage that cyclically varies is applied in the voltage application step to measure physical properties of the liquid crystal layer.
    Type: Grant
    Filed: July 7, 2009
    Date of Patent: February 22, 2011
    Assignees: Toyo Corporation, Sharp Kabushiki Kaisha
    Inventors: Masaru Inoue, Kunihiko Sasaki, Takashi Kurihara, Yasuhiro Kume
  • Patent number: 7881483
    Abstract: Embodiments of the invention provide a small and economical two-way communications device that has both an excellent echo-cancellation function that substantially suppresses echoes over the entire frequency range and an excellent voice-operated exchange function that provides natural switching of conversation sounds while protecting against unnatural disconnection or echoes during conversation, even when a reception signal and a transmission signal are superimposed in a single transducer.
    Type: Grant
    Filed: November 10, 2004
    Date of Patent: February 1, 2011
    Assignee: Matech, Inc.
    Inventors: Masahisa Masuda, Yasuhiro Kume
  • Patent number: 7876409
    Abstract: In a liquid crystal display element of the present invention, the aligning capability for imparting pre-tilt angles to a liquid crystal material is imparted only to the surface of the alignment film of one of the substrates, the material layer having dielectric anisotropy includes a chiral material and a liquid crystal material with a nematic liquid crystal phase, 0.25?d/p?0.50 is satisfied assuming that the thickness of the material layer having the dielectric anisotropy is d and the chiral pitch length of the liquid crystal material is p, and 1000×d/p??n×d is satisfied assuming that the refractive index anisotropy of the liquid crystal material is ?n.
    Type: Grant
    Filed: September 12, 2006
    Date of Patent: January 25, 2011
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Yasuhiro Kume, Takashi Kurihara, Kazuhiko Tamai, Takaaki Okamoto, Shinya Saeki
  • Publication number: 20100315382
    Abstract: The present invention relates to a touch-sensor-provided liquid crystal display device (10), the touch-sensor-provided liquid crystal display device (10) including a liquid crystal display panel (20) which includes a plurality of photo sensors (40) for detecting a touched position, and a backlight unit (90) provided on a backside of the liquid crystal display panel (20). The backlight unit (90) emits light at least part of which serves as light (L10) dedicated to sensing which is used for position detection by the plurality of photo sensors (40), and the light (L10) dedicated to sensing travels in a direction (D2) which is different from a direction (D1) toward a main viewer (V) of the liquid crystal display panel (20).
    Type: Application
    Filed: November 28, 2008
    Publication date: December 16, 2010
    Inventors: Takashi Kurihara, Yasuhiro Kume, Takaaki Okamoto, Tomoko Nango
  • Patent number: 7826805
    Abstract: A base unit and a handset comprise a wireless part, a control part, and a transmission (151) and reception part (150), respectively. Communications are switched by either of the two ways: PTT switching and tone generation in the base unit, and tone detection in the handset or PTT switching in the base unit, and voice detection in the handset. It is preferable that the transmission (151) and reception (150) part of the handset includes a single transducer type headphone. It is also preferable that photo-coupler (41, 43) and a photo-switch (42) are provided at connection point of signal paths between the transmission (151) and reception part (150), the control part, and between the control part and the wireless part.
    Type: Grant
    Filed: November 10, 2004
    Date of Patent: November 2, 2010
    Assignee: Matech, Inc.
    Inventors: Masahisa Masuda, Yasuhiro Kume
  • Publication number: 20100224500
    Abstract: Disclosed is a method for producing a vehicle body, which, without removing protrusions on an electrophoretic coating, improves the coating quality. The outer surface of the vehicle body is sanded prior to a pre-treatment, where the vehicle body is degreased and washed.
    Type: Application
    Filed: March 10, 2009
    Publication date: September 9, 2010
    Applicant: HONDA MOTOR CO., LTD.
    Inventors: Masaki Takahashi, Yasuhiro Kume
  • Publication number: 20100189906
    Abstract: A three-coat one-bake type coating process for forming a multilayer coating film which attains high efficiency and brings about an excellent finished appearance. A three-coat one-bake type coating process includes applying an intermediate coating material, applying a finish base coating material, applying a clear topcoating material, and drying, wherein a two-package type coating material containing an isocyanate compound as the crosslinking agent is used as the intermediate coating material, whereby the surface fluidity of the intermediate coating is improved to make the coating surface smooth and the mixing of the intermediate coating with an upper layer and/or the volume shrinkage of the intermediate coating due to the component eliminated by curing are inhibited to give coated members having an excellent finished appearance.
    Type: Application
    Filed: September 3, 2007
    Publication date: July 29, 2010
    Applicant: HONDA MOTOR CO., LTD.
    Inventors: Yasuhiro Kume, Masaki Takahashi, Satoru Shiratori, Shinji Noda, Makoto Takayanagi, Tatsuo Minami, Yoshiharu Komatsu, Daisuke Nakazono, Kazuo Igarashi, Satoru Ihara
  • Patent number: 7738070
    Abstract: A liquid crystal display element of the present invention is arranged so that a material layer having dielectric anisotropy includes a chiral material and a liquid crystal material with a nematic liquid crystal phase, and 0.25?d/p?0.50 is satisfied assuming that the thickness of the material layer is d and the chiral pitch length of the liquid crystal material is p.
    Type: Grant
    Filed: September 12, 2006
    Date of Patent: June 15, 2010
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Takashi Kurihara, Yasuhiro Kume, Kazuhiko Tamai, Takaaki Okamoto, Shinya Saeki
  • Patent number: 7728937
    Abstract: The liquid crystal display device includes a first substrate, a second substrate opposed to the first substrate, and a vertically aligned liquid crystal layer interposed between the first and second substrates, and has a plurality of pixels each including a first electrode formed on the first substrate, a second electrode formed on the second substrate, and the liquid crystal layer interposed between the first and second electrodes. The first substrate has a shading region in gaps between the plurality of pixels, and a wall structure is placed regularly on the surface of the first substrate facing the liquid crystal layer in the shading region. A color filter layer of the second substrate has at least one hole formed at a predetermined position in each pixel.
    Type: Grant
    Filed: June 16, 2005
    Date of Patent: June 1, 2010
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Yasuhiro Kume, Noriaki Onishi, Kazuhiko Tamai, Hiroaki Kojima, Nobukazu Nagae
  • Patent number: 7724326
    Abstract: The liquid crystal display device of the invention has a plurality of pixels, each including a first electrode 111, a second electrode 131 and a vertically aligned liquid crystal layer 120 interposed between the first and second electrodes. The first electrode has at least one opening 114 or cut 113 formed at a predetermined position in the pixel. At least one shading conductive layer 116 electrically connected to the first electrode is formed at least near the at least one opening or cut. In each of the plurality of pixels, a plurality of regions in which the directions of tilt of liquid crystal molecules are different from one another are formed when at least a predetermined voltage is applied across the liquid crystal layer.
    Type: Grant
    Filed: February 22, 2005
    Date of Patent: May 25, 2010
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Tsunanori Kitoh, Takeshi Kawahara, Kazuhiko Tamai, Noriaki Onishi, Yasuhiro Kume, Takaaki Okamoto
  • Patent number: 7705943
    Abstract: The liquid crystal display device includes a first substrate 1110a, a second substrate 1110b placed to face the first substrate, and a liquid crystal layer 1120 interposed between the first substrate and the second substrate. The liquid crystal display device has a plurality of pixels each including a first electrode 1111 formed on the first substrate, a second electrode 1131 formed on the second substrate, and the liquid crystal layer interposed between the first electrode and the second electrode. The second electrode 1131 has at least one opening 1114 formed at a predetermined position in the pixel, the first substrate has a shading region in gaps between the plurality of pixels, and a wall structure 1115 is placed regularly on the surface of the first substrate facing the liquid crystal layer in the shading region.
    Type: Grant
    Filed: April 3, 2009
    Date of Patent: April 27, 2010
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Yasuhiro Kume, Nobukazu Nagae, Kazuhiko Tamai, Noriaki Onishi, Takashi Kurihara
  • Patent number: 7701538
    Abstract: The liquid crystal display device includes a first substrate 1110a, a second substrate 1110b placed to face the first substrate, and a liquid crystal layer 1120 interposed between the first substrate and the second substrate. The liquid crystal display device has a plurality of pixels each including a first electrode 1111 formed on the first substrate, a second electrode 1131 formed on the second substrate, and the liquid crystal layer interposed between the first electrode and the second electrode. The second electrode 1131 has at least one opening 1114 formed at a predetermined position in the pixel, the first substrate has a shading region in gaps between the plurality of pixels, and a wall structure 1115 is placed regularly on the surface of the first substrate facing the liquid crystal layer in the shading region.
    Type: Grant
    Filed: May 1, 2008
    Date of Patent: April 20, 2010
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Yasuhiro Kume, Nobukazu Nagae, Kazuhiko Tamai, Noriaki Onishi
  • Patent number: 7697099
    Abstract: A liquid crystal display device including a first substrate 110a, a second substrate 110b placed to face the first substrate, a liquid crystal layer 120 interposed between the first and second substrates, a first electrode 111 formed on the first substrate, a second electrode 131 formed on the second substrate, an interlayer insulating film 115a placed between the first electrode and the first substrate, and a wall structure 115b formed integrally with the interlayer insulating film. The liquid crystal display device has a plurality of pixels each including the first electrode, the second electrode and the liquid crystal layer interposed between the first and second electrodes. A shading region surrounds each of the plurality of pixels, and the wall structure is placed regularly in the shading region. A groove structure 415a may be formed in place of the wall structure.
    Type: Grant
    Filed: November 4, 2004
    Date of Patent: April 13, 2010
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Yasuhiro Kume, Noriaki Onishi, Kazuhiko Tamai, Nobukazu Nagae, Hiroaki Kojima, Takashi Kurihara, Nobuaki Yamada
  • Patent number: 7646459
    Abstract: The liquid crystal display device includes a first substrate, a second substrate opposed to the first substrate, and a vertically aligned liquid crystal layer interposed between the first and second substrates, and has a plurality of pixels arranged in a matrix having rows and columns. Each pixel includes a first electrode formed on the first substrate, a second electrode formed on the second substrate, and the liquid crystal layer interposed between the first and second electrodes. The first substrate has a shading region in gaps between the plurality of pixels, and a wall structure is placed regularly on the surface of the first substrate facing the liquid crystal layer in the shading region. The first and second electrodes have at least one opening formed at a predetermined position in the pixel.
    Type: Grant
    Filed: December 23, 2004
    Date of Patent: January 12, 2010
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Yasuhiro Kume, Kazuhiko Tamai, Nobukazu Nagae, Noriaki Onishi
  • Publication number: 20090268129
    Abstract: A method includes for manufacturing a liquid crystal display device includes: a sealant supplying step of supplying an uncured sealant to a first substrate or a second substrate; a dropping step of dropping a liquid mixture of a liquid crystal material and an additive to a region inside the sealant; a bonding step of bonding the first substrate and the second substrate with the sealant and the liquid mixture interposed therebetween to form a bonded substrate; and a curing step of applying the predetermined curing conditions with a voltage being applied to a terminal portion, and thereby curing the sealant and altering the additive to give a pretilt angle to liquid crystal molecules.
    Type: Application
    Filed: April 3, 2007
    Publication date: October 29, 2009
    Inventors: Shinya Saeki, Yasuhiro Kume, Kazuhiko Tamai, Takaaki Okamoto
  • Publication number: 20090267614
    Abstract: There is provided a physical property measuring method for a TFT liquid crystal panel, includes an impedance setting step of setting the impedance between the source and drain of a TFT of the TFT liquid crystal panel to be less than or equal to a predetermined value, a voltage application step of applying a voltage that cyclically varies to a liquid crystal layer of the TFT liquid crystal panel. And the method further includes a physical property measuring step of measuring a transient current flowing through the liquid crystal layer to which the voltage that cyclically varies is applied in the voltage application step to measure physical properties of the liquid crystal layer.
    Type: Application
    Filed: July 7, 2009
    Publication date: October 29, 2009
    Applicants: TOYO CORPORATION, SHARP KABUSHIKI KAISHA
    Inventors: Masaru Inoue, Kunihiko Sasaki, Takashi Kurihara, Yasuhiro Kume
  • Publication number: 20090201454
    Abstract: The liquid crystal display device includes a first substrate 1110a, a second substrate 1110b placed to face the first substrate, and a liquid crystal layer 1120 interposed between the first substrate and the second substrate. The liquid crystal display device has a plurality of pixels each including a first electrode 1111 formed on the first substrate, a second electrode 1131 formed on the second substrate, and the liquid crystal layer interposed between the first electrode and the second electrode. The second electrode 1131 has at least one opening 1114 formed at a predetermined position in the pixel, the first substrate has a shading region in gaps between the plurality of pixels, and a wall structure 1115 is placed regularly on the surface of the first substrate facing the liquid crystal layer in the shading region.
    Type: Application
    Filed: April 3, 2009
    Publication date: August 13, 2009
    Applicant: Sharp Kabushiki Kaisha
    Inventors: Yasuhiro Kume, Nobukazu Nagae, Kazuhiko Tamai, Noriaki Onishi, Takashi Kurihara
  • Publication number: 20090147199
    Abstract: In a liquid crystal display element of the present invention, the aligning capability for imparting pre-tilt angles to a liquid crystal material is imparted only to the surface of the alignment film of one of the substrates, the material layer having dielectric anisotropy includes a chiral material and a liquid crystal material with a nematic liquid crystal phase, 0.25?d/p?0.50 is satisfied assuming that the thickness of the material layer having the dielectric anisotropy is d and the chiral pitch length of the liquid crystal material is p, and 1000×d/p??n×d is satisfied assuming that the refractive index anisotropy of the liquid crystal material is ?n.
    Type: Application
    Filed: September 12, 2006
    Publication date: June 11, 2009
    Inventors: Yasuhiro Kume, Takashi Kurihara, Kazuhiko Tamai, Takaaki Okamoto, Shinya Saeki
  • Patent number: 7542101
    Abstract: A dioptric element array substrate 10 includes: a first dioptric element array 2 having a plurality of first dioptric elements 2a arranged two-dimensionally; a second dioptric element array 4 having a plurality of second dioptric elements 4a having a first refractive index arranged two-dimensionally in one-to-one correspondence with the first dioptric elements; and a third dioptric element array 5 having a second refractive index different from the first refractive index. Principal rays of beams incident on the first dioptric element array at different angles and converged with the first dioptric element array are collimated with the second and third dioptric element arrays.
    Type: Grant
    Filed: September 24, 2004
    Date of Patent: June 2, 2009
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Yasuhiro Kume, Noriaki Ohnishi, Naoko Mizusaki