Patents by Inventor Hajime Murakami

Hajime Murakami 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: 8887928
    Abstract: A frame includes a first frame member that has a first opening at an end portion thereof; a second frame member that has a second opening at an end portion thereof; a first frame coupling member that comprises a first projection that fits into the first opening and a second projection that fits into the second opening; and a second frame coupling member that couples to the first frame coupling member, wherein: the first frame member and the second frame member are located so as to be sandwiched between the first frame coupling member and the second frame coupling member when the first frame coupling member and the second frame coupling member are coupled to each other.
    Type: Grant
    Filed: November 5, 2012
    Date of Patent: November 18, 2014
    Assignee: Fujitsu Limited
    Inventor: Hajime Murakami
  • Publication number: 20140334937
    Abstract: Mechanical strength of a composite material is enhanced by a simple process. In a composite material comprising a resin or a rubber and an oxide glass, the resin or the rubber is dispersed in the oxide glass, or the oxide glass is dispersed in the resin or the rubber, and the oxide glass is softened and fluidized by heating at or lower than a heat decomposition temperature of the resin or the rubber.
    Type: Application
    Filed: November 1, 2012
    Publication date: November 13, 2014
    Applicant: HITACHI, LTD.
    Inventors: Tadashi Fujieda, Takashi Naito, Takuya Aoyagi, Yuichi Sawai, Hajime Murakami, Hiroshi Yoshida, Akihiro Miyauchi, Masahiko Ogino
  • Publication number: 20140319500
    Abstract: A display device having a plurality of light-emitting elements that construct picture elements aligned on a TFT substrate in a formation of a matrix. The display device includes the plurality of light-emitting elements each having a flat surface portion and including a light-emitting layer, an anode, and a cathode; a plurality of driver elements each coupled to the light-emitting element; a plurality of capacitor elements each of which is coupled to the light emitting element and receives an image signal; a plurality of switching elements each of which is coupled to the capacitor element and the light emitting element and control input of the image signal to the capacitor; and an insulation layer having a contact hole formed over the driver element. The anode is formed on the insulation layer and coupled to the driver element via the contact hole.
    Type: Application
    Filed: July 9, 2014
    Publication date: October 30, 2014
    Inventors: Masaya Adachi, Kazutaka Tsuji, Hajime Murakami, Etsuko Nishimura
  • Patent number: 8791632
    Abstract: A display device having a plurality of light-emitting elements that construct picture elements aligned on a substrate in a formation of a matrix. The light-emitting element includes a light-emitting device having a flat surface portion and including a light-emitting layer and an anode. A driver element is connected with the light-emitting element, and an insulation layer having a contact hole formed over the driver element. The anode is formed on the insulation layer and is connected to the driver element via the contact hole. A tilted reflective surface is provided in a peripheral area surrounding the flat surface portion of the light-emitting device and has a tilt angle with respect to the flat surface portion of the light-emitting device. The tilted reflective surface is provided on a surface of a slope of a bank provided on the substrate and formed to cover the contact hole.
    Type: Grant
    Filed: October 3, 2013
    Date of Patent: July 29, 2014
    Assignees: Japan Display Inc., Panasonic Liquid Crystal Display Co., Ltd.
    Inventors: Masaya Adachi, Kazutaka Tsuji, Hajime Murakami, Etsuko Nishimura
  • Publication number: 20140091705
    Abstract: A display device having a plurality of light-emitting elements that construct picture elements aligned on a substrate in a formation of a matrix. The light-emitting element includes a light-emitting device having a flat surface portion and including a light-emitting layer and an anode. A driver element is connected with the light-emitting element, and an insulation layer having a contact hole formed over the driver element. The anode is formed on the insulation layer and is connected to the driver element via the contact hole. A tilted reflective surface is provided in a peripheral area surrounding the flat surface portion of the light-emitting device and has a tilt angle with respect to the flat surface portion of the light-emitting device. The tilted reflective surface is provided on a surface of a slope of a bank provided on the substrate and formed to cover the contact hole.
    Type: Application
    Filed: October 3, 2013
    Publication date: April 3, 2014
    Applicants: Panasonic Liquid Crystal Display Co., Ltd., Japan Display Inc
    Inventors: Masaya Adachi, Kazutaka Tsuji, Hajime Murakami, Etsuko Nishimura
  • Publication number: 20130271026
    Abstract: There is provided a discharge lamp of an embodiment includes a burner having a light emitting part, and a disk-shaped flange which is capable of holding the burner so that the light emitting part is positioned at a front end side of the flange. The flange includes a resin part formed at an edge of the flange, and a metal part formed to be embedded in the resin part.
    Type: Application
    Filed: August 8, 2011
    Publication date: October 17, 2013
    Applicant: TOSHIBA LIGHTING & TECHNOLOGY CORPORATION
    Inventors: Masahiro Doi, Makoto Deguchi, Osamu Shirakawa, Syuhei Abe, Keisuke Nakazato, Masahiro Oki, Kousuke Ueda, Hajime Murakami
  • Patent number: 8558449
    Abstract: A display device having a plurality of light-emitting elements that construct picture elements aligned on a substrate in a formation of a matrix. The light-emitting element includes a light-emitting device having a flat surface portion and including a light-emitting layer, an anode and a cathode, a driver element connected with the light-emitting element, an insulation layer having a contact hole formed over the driver element, wherein the anode is formed on the insulation layer and connected to the driver element via the contact hole, and a tilted reflective surface is provided in a peripheral area surrounding the flat surface portion of the light-emitting device and has a tilt angle against the flat surface portion of the light-emitting device, wherein the tilted reflective surface is provided on a surface of a slope of a bank that is provided on the substrate.
    Type: Grant
    Filed: May 22, 2012
    Date of Patent: October 15, 2013
    Assignees: Hitachi Displays, Ltd., Panasonic Liquid Crystal Display Co., Ltd.
    Inventors: Masaya Adachi, Kazutaka Tsuji, Hajime Murakami, Etsuko Nishimura
  • Patent number: 8547306
    Abstract: The present invention enhances a display quality of a display device as a task. As means for solving such a task, the present invention provides a display device including a light emitting element and a switching element in a pixel, wherein the switching element is provided for supplying a power source to the light emitting element and is constituted of a first switching element and a second switching element.
    Type: Grant
    Filed: February 16, 2010
    Date of Patent: October 1, 2013
    Assignees: Hitachi Displays, Ltd., Panasonic Liquid Crystal Display Co., Ltd.
    Inventors: Masahiro Tanaka, Toshiyuki Matsuura, Hajime Murakami, Hajime Akimoto
  • Publication number: 20130169145
    Abstract: A display device having a plurality of light-emitting elements that construct picture elements aligned on a substrate in a formation of a matrix. The light-emitting element includes a light-emitting device having a flat surface portion and including a light-emitting layer, an anode and a cathode, a driver element connected with the light-emitting element, an insulation layer having a contact hole formed over the driver element, wherein the anode is formed on the insulation layer and connected to the driver element via the contact hole, and a tilted reflective surface is provided in a peripheral area surrounding the flat surface portion of the light-emitting device and has a tilt angle against the flat surface portion of the light-emitting device, wherein the tilted reflective surface is provided on a surface of a slope of a bank that is provided on the substrate.
    Type: Application
    Filed: May 22, 2012
    Publication date: July 4, 2013
    Inventors: Masaya Adachi, Kazutaka Tsuji, Hajime Murakami, Etsuko Nishimura
  • Patent number: 8348568
    Abstract: A fastening structure includes first and second board-like members to be fastened, a stopping and anchoring part for latching these board-like members to be fastened, and a stopping and anchoring part holding board-like member between the first and second board-like members to be fastened. For a hole of a first inner diameter formed in the first board-like member to be fastened, and a hole of a second inner diameter formed in the second board-like member to be fastened, a smaller hole of a third inner diameter is formed in the stopping and anchoring part holding board-like member, and the impact of gap of the member in production tolerance is avoided thus enhancing the fastening function.
    Type: Grant
    Filed: April 6, 2010
    Date of Patent: January 8, 2013
    Assignee: Fujitsu Limited
    Inventor: Hajime Murakami
  • Publication number: 20120256353
    Abstract: A pattern transfer apparatus for pressing a mold having a fine concave/convex pattern onto a transferred material, peeling off the mold from the transferred material, and transferring the concave/convex pattern onto a surface of the transferred material includes: a pretreatment mechanism configured to perform a predetermined surface treatment to at least one of the mold and the transferred material before the concave/convex pattern is transferred; an information recording mechanism configured to record information of the surface treatment performed by the pretreatment mechanism at a position associated with an area of the transferred material where the concave/convex pattern is transferred onto the area; an interpretation mechanism configured to read the recorded information; and an after-treatment mechanism configured to perform a predetermined after-treatment to the area where the concave/convex pattern is transferred, based on the information interpreted by the interpretation mechanism.
    Type: Application
    Filed: March 8, 2012
    Publication date: October 11, 2012
    Inventors: Mitsuru HASEGAWA, Hajime Murakami, Akihiro Miyauchi, Masahiko Ogino
  • Patent number: 8193697
    Abstract: A light-emitting device includes a substrate and a light-emitting element formed on the substrate. The light-emitting element includes a stacked layer structure portion including a reflective electrode, a light-emitting layer on the reflective electrode and a transparent electrode on the light-emitting layer which are stacked over the substrate with the reflective electrode as a bottom layer, the light-emitting layer having a flat surface provided at least on a portion of the light-emitting layer. A bank is disposed in a peripheral area surrounding the flat surface or on a peripheral portion of the flat surface and has a tilt surface tilted with respect to the flat surface. A conductive film is at least provided on the tilt surface and is electrically connected with the transparent electrode, and forms a reflective surface on the tilt surface, and an optical waveguide layer is provided in an area surrounded by the tilt surface.
    Type: Grant
    Filed: August 10, 2011
    Date of Patent: June 5, 2012
    Assignees: Hitachi Displays, Ltd., Panasonic Liquid Crystal Display Co., Ltd.
    Inventors: Masaya Adachi, Kazutaka Tsuji, Hajime Murakami, Etsuko Nishimura
  • Patent number: 8158969
    Abstract: The present invention is intended to provide a top emission type organic light emitting display device which prevents the organic film from being oxidized during the formation of the upper transparent electrode and can emit light at a low voltage. The top emission type organic light emitting display device includes: a substrate; an organic light emitting layer; and upper and lower electrodes sandwiching the organic light emitting layer, where the lower electrode is arranged between the substrate and the organic light emitting layer, the upper electrode is arranged on the opposite side of the substrate with respect to the lower electrode, light emitted from the organic light emitting layer is taken out from the upper electrode side, and an organic layer which is mainly composed of an organic material having a heterocyclic group containing one or more nitrogen atoms, is included between the organic light emitting layer and the upper electrode.
    Type: Grant
    Filed: May 18, 2006
    Date of Patent: April 17, 2012
    Assignees: Hitachi Displays, Ltd., Panasonic Liquid Crystal Display Co., Ltd.
    Inventors: Sukekazu Aratani, Hajime Murakami, Masao Shimizu, Kazuhito Masuda
  • Publication number: 20120000363
    Abstract: An air filter device includes a permeation film arranged at a boundary portion between an outside air passage and an inside air passage, such that one side surface of the permeation film is exposed to outside air in the outside air passage and the other side surface of the permeation film is exposed to inside air in the inside air passage. The permeation film is configured such that specific gas passes through the permeation film between the outside air passage and the inside air passage. Furthermore, a turbulent flow generation portion is provided to generate a turbulent flow in at least one of the outside air flowing through near the one side surface of the permeation film and the inside air flowing through near the other side surface of the permeation film.
    Type: Application
    Filed: June 28, 2011
    Publication date: January 5, 2012
    Applicant: DENSO CORPORATION
    Inventors: Satoshi Mizutani, Katsunori Iwase, Kazushi Shikata, Kenichi Kato, Yoshinobu Suzuki, Mika Kawakita, Hajime Murakami
  • Publication number: 20110285269
    Abstract: A light-emitting device includes a substrate and a light-emitting element formed on the substrate. The light-emitting element includes a stacked layer structure portion including a reflective electrode, a light-emitting layer on the reflective electrode and a transparent electrode on the light-emitting layer which are stacked over the substrate with the reflective electrode as a bottom layer, the light-emitting layer having a flat surface provided at least on a portion of the light-emitting layer. A bank is disposed in a peripheral area surrounding the flat surface or on a peripheral portion of the flat surface and has a tilt surface tilted with respect to the flat surface. A conductive film is at least provided on the tilt surface and is electrically connected with the transparent electrode, and forms a reflective surface on the tilt surface, and an optical waveguide layer is provided in an area surrounded by the tilt surface.
    Type: Application
    Filed: August 10, 2011
    Publication date: November 24, 2011
    Inventors: Masaya Adachi, Kazutaka Tsuji, Hajime Murakami, Etsuko Nishimura
  • Patent number: 8049405
    Abstract: A self light emitting display device having high level of the external coupling efficiency and high grade image presentation as no optical cross-talk or blur can be obtained by a new light-emitting element. The device is constructed as follows. A plurality of picture elements, each of which picture elements has an organic layer composing light emitting areas, a transparent electrode and a reflective electrodes, are formed on a substrate. Between the picture elements, a bank which has a tilted reflective surface is formed so that the light emitting area is surrounded by the bank wherein the transparent optical waveguide layer is formed as optically isolated for each of the picture elements.
    Type: Grant
    Filed: December 4, 2009
    Date of Patent: November 1, 2011
    Assignee: Hitachi Displays, Ltd.
    Inventors: Masaya Adachi, Kazutaka Tsuji, Hajime Murakami, Etsuko Nishimura
  • Patent number: 8040043
    Abstract: In an organic EL panel for enhancing luminous efficiency and utilization efficiency of light, monochromatic RGB lights emitted from the organic EL panel in which organic EL elements optimum for three monochromatic primary RGB colors are patterned in a stripe-like manner, are adjusted by a liquid crystal panel so as to obtain monochromatic RGB output lights. In addition, the three monochromatic RGB lights are led through color filters with black matrices in order to enhance the color purities and visibilities of the adjusted lights.
    Type: Grant
    Filed: June 21, 2006
    Date of Patent: October 18, 2011
    Assignee: Hitachi, Ltd.
    Inventors: Takahiro Nakayama, Hajime Murakami, Sukekazu Aratani
  • Patent number: 8007299
    Abstract: An apparatus includes a first substrate, a first connector disposed on a top face of the first substrate, a to-be-fixed member disposed on a back face of the first substrate, a second substrate disposed facing the first substrate, a second connector disposed on the second substrate and connected to the first connector, and a fixing module disposed on the second substrate and pivoting a locking arm using a rotating shaft, wherein the to-be-fixed member is pushed by a pushing portion provided at a tip of the locking arm when the locking arm is at a first position.
    Type: Grant
    Filed: April 26, 2010
    Date of Patent: August 30, 2011
    Assignee: Fujitsu Limited
    Inventors: Hajime Murakami, Yoshinori Uzuka, Eichiro Okumura, Takeshi Nishiyama, Tatsuya Akashi
  • Patent number: 7943963
    Abstract: The present invention provides a top emission type organic light-emitting display device in a production of which it is possible to prevent the organic film from being oxidized when the upper transparent electrode is formed, and which is capable of emitting light at a low voltage. This organic light-emitting display device contains an organic light-emitting layer and an upper electrode and a lower electrode sandwiching the organic light-emitting layer, and is of a structure in which the emitted light is taken out from the upper electrode side, and a buffer layer mainly made of an oxide producing less oxygen by decomposition in the film-forming process than the upper electrode material is provided between the organic light-emitting layer and the upper electrode.
    Type: Grant
    Filed: February 10, 2005
    Date of Patent: May 17, 2011
    Assignee: Hitachi Displays, Ltd.
    Inventors: Hajime Murakami, Masao Shimizu, Sukekazu Aratani, Etsuko Nishimura, Masahiro Tanaka
  • Patent number: 7898172
    Abstract: An object of the present invention is to provide an organic light emitting element having a high efficiency and a high quality in which electron and hole injection efficiency of an electrode is reproduced in an insulated or contaminated first electrode. In an organic light emitting display apparatus, a substrate, a first electrode, an insulation film bank formed so as to cover edges of the first electrode, a metal thin film formed on the first electrode and the insulation film bank, an organic light emitting layer, and a second electrode are disposed in the cited order. A lower part of a side face of the insulation film bank takes a reverse tapered shape.
    Type: Grant
    Filed: March 4, 2010
    Date of Patent: March 1, 2011
    Assignee: Hitachi Displays, Ltd.
    Inventors: Masao Shimizu, Hajime Murakami, Sukekazu Aratani, Masahiro Tanaka