Patents by Inventor Noboru Kurata

Noboru Kurata 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: 20190299632
    Abstract: The present invention provides a print head which suppresses contamination due to ink at the time of being mounted on a printing apparatus and/or after being detached from the printing apparatus, and a printing apparatus which prints using the print head. For this purpose, a positioning pin 98 longer than a needle 112 is provided in a joint unit 91 of a print head 8, and the joint unit 91 includes a shutter 93 which closes an opening on a supply side and an opening on a collection side when the print head 8 is detached.
    Type: Application
    Filed: March 22, 2019
    Publication date: October 3, 2019
    Inventors: Noboru Shimoyama, Soji Kondo, Akira Kida, Tetsuji Kurata, Atsushi Kohnotoh
  • Publication number: 20190283434
    Abstract: The printing apparatus of the present invention includes: an openable cover that covers a head holder that mounts a print head detachably and an ink tank, detachable from the apparatus, configured to store ink to be supplied to the print head; a lock unit capable of switching between a lock state where the cover is fixed to a closed position and an unlocked state where the cover is not fixed to the closed position; and a control unit configured to control, in a case of receiving instructions to detach the ink tank, the lock unit to switch to the unlocked state after controlling a holder moving unit to move the head holder to a position at which the print head is undetachable, as well as controlling a pressurizing supply unit to stop pressurization and supply ink from the ink tank to the print head.
    Type: Application
    Filed: March 12, 2019
    Publication date: September 19, 2019
    Inventors: Akira Kida, Tetsuji Kurata, Atsushi Kohnotoh, Toshihide Wada, Noboru Shimoyama
  • Publication number: 20190189932
    Abstract: A transparent electrode includes a conductive layer and at least one metal affinity layer adjacent to the conductive layer. The conductive layer is composed of silver as a main component. The metal affinity layer contains an organic compound and a lanthanoid. The organic compound is a compound including a heteroatom having an unshared electron pair in a molecule.
    Type: Application
    Filed: August 4, 2017
    Publication date: June 20, 2019
    Inventors: Noboru SEKINE, Hiroki KURATA
  • Patent number: 8663486
    Abstract: A method of manufacturing a magnetic recording medium, includes, in the order recited, the steps of forming a mask protective film composed of carbon on a magnetic layer; forming a resist with a predetermined pattern on the mask protective film; forming a protective mask by etching the mask protective film using the resist as a mask; forming protrusions and recesses on a magnetic layer by etching the magnetic layer using the resist and the protective mask as masks; removing the protective mask, including removing the mask protective film comprised of carbon, using ultraviolet light with a principal wavelength not longer than 340 nm; and forming a protective layer on the magnetic layer having the protrusions and recesses formed thereon.
    Type: Grant
    Filed: November 17, 2009
    Date of Patent: March 4, 2014
    Assignee: Fuji Electric Co., Ltd.
    Inventor: Noboru Kurata
  • Publication number: 20120235342
    Abstract: A substrate support jig that reduces residual droplets liable to remain on a support contact point of a thin plate substrate and the substrate support jig is disclosed. The substrate support jig used for cleaning a substrate and subsequently carrying out a Marangoni drying includes a support plate for holding the substrate upright, wherein the support plate has a groove at a contact point for supporting the substrate, and a contact angle of a surface of the support plate in case of pure water is 15 degrees or less.
    Type: Application
    Filed: February 13, 2012
    Publication date: September 20, 2012
    Applicant: FUJI ELECTRIC CO., LTD.
    Inventor: Noboru Kurata
  • Publication number: 20110076514
    Abstract: A magnetic recording medium includes a substrate; a magnetic recording layer that is provided on the substrate and that has a plurality of tracks; and a separation layer that magnetically separates respective tracks of the plurality of tracks of the magnetic recording layer from one another and that is composed of a material including a nonmagnetic amorphous alloy selected from the group consisting of chromium boride (CrB), nickel boride (NiB), chromium phosphide (CrP), and nickel phosphide (NiP). The nonmagnetic amorphous alloy is used as a filler material for the separation layer and has a smooth surface after filling and an excellent corrosion resistance. This enables production of the magnetic recording medium by a simple method so that producibility is excellent and without spoiling reliability.
    Type: Application
    Filed: July 7, 2010
    Publication date: March 31, 2011
    Applicant: Fuji Electric Device Technology Co., Ltd.
    Inventor: Noboru KURATA
  • Publication number: 20100133229
    Abstract: A method of manufacturing a magnetic recording medium avoiding degradation of magnetic performance due to a manufacturing process, including forming a mask protective film on a magnetic layer; forming a resist with a predetermined pattern on the mask protective film; forming a protective mask by etching the mask protective film using the resist as a mask; forming protrusions and recesses on a magnetic layer by etching the magnetic layer using the resist and the protective mask as masks; removing the protective mask; and forming a protective layer on the magnetic layer having the protrusions and recesses; where the magnetic recording medium is not exposed to the atmosphere during a period of time at least from the step of removing the protective mask to the step of forming the protective layer.
    Type: Application
    Filed: November 17, 2009
    Publication date: June 3, 2010
    Applicant: Fuji Electric Device Technology Co., Ltd.
    Inventor: Noboru KURATA
  • Publication number: 20090189516
    Abstract: An organic EL light emitting display employs a color conversion system having a structure in which generation of dark areas in an organic EL element can be suppressed and emission of the organic EL light emitting element can be made highly efficient. The organic EL light emitting display successively includes a transparent substrate, one kind or a plurality of kinds of color filter layers, a bonding layer, a color conversion layer, a barrier layer, a transparent electrode, an organic EL layer and a reflecting electrode. The color filter layer is formed by a wet process, the color conversion layer and the barrier layer are formed by a dry process, and the bonding layer is selected from a group consisting of an inorganic bonding layer, an organic bonding layer, and a laminated body of an organic bonding layer and an inorganic bonding layer.
    Type: Application
    Filed: November 9, 2006
    Publication date: July 30, 2009
    Applicant: FUJI ELECTRIC HOLDINGS CO., LTD.
    Inventors: Noboru Kurata, Yukinori Kawamura, Kouki Kasai, Koji Kawaguchi
  • Patent number: 7215075
    Abstract: A top emission type organic EL device is disclosed that contains, as a cathode, a transparent electrode that has low reflectivity over a broad wavelength region. The organic EL device has at least lower electrodes, an organic EL layer and an upper electrode formed sequentially on a supporting substrate. The upper electrode is formed from a plurality of transparent electrode layers having different refractive indices to one another. Also disclosed is a method of manufacturing such an organic EL device.
    Type: Grant
    Filed: May 3, 2004
    Date of Patent: May 8, 2007
    Assignee: Fuji Electric Holdings Co., Ltd.
    Inventor: Noboru Kurata
  • Publication number: 20050007014
    Abstract: A top emission type organic EL device is disclosed that contains, as a cathode, a transparent electrode that has low reflectivity over a broad wavelength region. The organic EL device has at least lower electrodes, an organic EL layer and an upper electrode formed sequentially on a supporting substrate. The upper electrode is formed from a plurality of transparent electrode layers having different refractive indices to one another. Also disclosed is a method of manufacturing such an organic EL device.
    Type: Application
    Filed: May 3, 2004
    Publication date: January 13, 2005
    Applicant: FUJI ELECTRIC HOLDINGS CO., LTD
    Inventor: Noboru Kurata
  • Publication number: 20020015863
    Abstract: Abrasive grains are removed from a glass substrate for a recording medium by washing with water containing an elevated amount of oxygen atoms. The oxygen atoms may be in the form of monatomic diatomic or triatomic molecules. In one embodiment, the oxygen is formed at the anode of an electrolysis apparatus. A small amount of an electrolyte may be used in the electrolysis apparatus without interfering with the ability to clean the glass substrate without generating latent flaws. The invention also is defined as a substrate cleaned by the disclosed method and a magnetic recording medium made from the substrate.
    Type: Application
    Filed: April 25, 2001
    Publication date: February 7, 2002
    Inventors: Norihiko Nakajima, Noboru Kurata, Yoshihumi Ajishi, Miki Shido
  • Patent number: 5939202
    Abstract: A magnetic recording medium is provided which includes a non-magnetic base, and a non-magnetic metal base layer, a magnetic layer, and a protective layer, which are laminated in the order of description on the non-magnetic base, wherein the non-magnetic metal base layer is formed from an alloy film in which at least one element selected from the group consisting of W, Ta, Hf, Mo, Cr, Zr and Nb is added to NiAl.
    Type: Grant
    Filed: October 7, 1997
    Date of Patent: August 17, 1999
    Assignee: Fuji Electric Co., Ltd.
    Inventors: Toyoji Ataka, Keiji Ohkubo, Noboru Kurata, Naoki Takizawa, Kazuo Enomoto
  • Patent number: 5843561
    Abstract: A magnetic recording medium includes an uneven layer, a non-magnetic metal base layer, a magnetic layer and a protective layer which are laminated on a non-magnetic base in the order of description. The uneven layer includes non-magnetic metal deposits containing nitrogen or oxygen, and consists of mutually isolated protrusions having a crystalline phase, which are discretely dispersed on the surface of the non-magnetic base, and a connecting layer having an amorphous phase for filling spaces between the protrusions so as to connect the protrusions with each other.
    Type: Grant
    Filed: April 29, 1996
    Date of Patent: December 1, 1998
    Assignee: Fuji Electric Co., Ltd.
    Inventors: Hiroyuki Uwazumi, Naoki Takizawa, Noboru Kurata
  • Patent number: 5689360
    Abstract: A polarization independent optical isolator for transmitting a signal ray in a forward direction and suppressing backward transmission comprises: a first and second optical isolation unit for receiving, transmitting, and outputting signal rays in the forward direction and for suppress backward transmission of any rays; and a reflection unit for coupling to first and second optical isolation unit by directing the outputted signal ray from the first optical isolation unit to the second optical isolation unit, the signal ray received by the first optical isolation unit transmitting in the opposite direction to the outputted signal ray from the second optical isolation unit. A reflection protection unit may be provided to prevent undesired reflection at inlet of the optical isolator. A optical filter for reflecting a component having a predetermined wavelength and transmitting remaining component may be used for the reflection unit. An optical detector may be used for monitoring the remaining component.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: November 18, 1997
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Noboru Kurata, Masaaki Tojo, Hironori Souda
  • Patent number: 5689359
    Abstract: A polarization independent optical isolator for transmitting a signal ray in a forward direction and suppressing backward transmission comprises: a first and second optical isolation unit for receiving, transmitting, and outputting signal rays in the forward direction and for suppress backward transmission of any rays; and a reflection unit for coupling to first and second optical isolation unit by directing the outputted signal ray from the first optical isolation unit to the second optical isolation unit, the signal ray received by the first optical isolation unit transmitting in the opposite direction to the outputted signal ray from the second optical isolation unit. A reflection protection unit may be provided to prevent undesired reflection at inlet of the optical isolator. A optical filter for reflecting a component having a predetermined wavelength and transmitting remaining component may be used for the reflection unit. An optical detector may be used for monitoring the remaining component.
    Type: Grant
    Filed: December 3, 1993
    Date of Patent: November 18, 1997
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Noboru Kurata, Masaaki Tojo, Hironori Souda
  • Patent number: 5574595
    Abstract: A polarization independent optical isolator for use in optical communication systems is provided. This optical isolator functions to provide dual-way optical isolation wherein an input optical signal entering in the isolation direction is transmitted through the optical isolator twice using a reflecting member, and includes a magnetooptic plate and a birefringent plate disposed between the magnetooptic plate and the reflecting member.
    Type: Grant
    Filed: March 4, 1994
    Date of Patent: November 12, 1996
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Noboru Kurata, Masaaki Tojo, Hironori Souda
  • Patent number: 5537503
    Abstract: An optical semiconductor module for holding an optical fiber inserted in a ferrule and for coupling light into the optical fiber, including: a semiconductor light-emitting device; a lens for converging light emitted from the semiconductor light-emitting device; a holder having a cylindrical part for holding the semiconductor light-emitting device and the lens therein and for allowing the adjustment of a position where the semiconductor light-emitting device is to be fixed and thereby enabling the spacing between the semiconductor light-emitting device and the lens to be adjusted, the lens being fixed inside the cylindrical part and the semiconductor light-emitting device also fixed inside the cylindrical part with the optical axis thereof aligned with the lens; and a receptacle having an inner cylinder for holding the ferrule therein, and joined to one end of the holder by butting end to end so as to allow the joining ends to be adjusted in directions perpendicular to the optical axis of the lens so that the
    Type: Grant
    Filed: August 1, 1994
    Date of Patent: July 16, 1996
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Masaaki Tojo, Noboru Kurata
  • Patent number: 5499132
    Abstract: An object of the present invention is to provide an optical passive component having a polarization-independent optical isolator for constituting an optical fiber amplifier and exhibiting an optical isolator function. At least first and second optical fibers for input and output of light rays, a birefringent crystal, a lens for converting the input light rays into nearly collimated rays, a magnetooptical crystal for receiving a magnetic field so as to rotate by .pi./8+N.pi./4(n=0, 1, . . . ) the polarization direction of the input light rays, and a reflector are disposed in order. A half wave plate is provided to cover one portion of the ray path between the above described birefringent crystal and the above described lens.
    Type: Grant
    Filed: May 12, 1993
    Date of Patent: March 12, 1996
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Masaaki Tojo, Noboru Kurata, Hironori Souda
  • Patent number: 5493440
    Abstract: On one end side of a converging rod lens are provided a first and second input optical fibers and a first and second output optical fibers. On the other end side of the converging rod lens is provided a reflecting mirror. Between the converging lens and the first and second input and output optical fibers is provided a birefringent element for resolving a ray which passes therethrough into an ordinary ray and an extraordinary ray. In the optical paths of the first and second output optical fibers between the converging rod lens and birefringent element is placed a compensator for rotating 45 degrees the plane of polarization of a ray which passes therethrough. The reflecting mirror reflects incident rays from the first and second input optical fibers to the first and second output optical fibers. Between the converging rod lens and the reflecting mirror is provided a magneto-optical element for rotating 22.5 degrees the plane of polarization of a ray which passes therethrough.
    Type: Grant
    Filed: October 18, 1994
    Date of Patent: February 20, 1996
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Hironori Souda, Masaaki Tojo, Noboru Kurata, Masanori Iida
  • Patent number: 5478657
    Abstract: The object of the present invention is to provide titanium discs to be used as high-density read-while-write magnetic discs. Further object of the present invention is to provide said titanium discs coated with a non-magnetic plated layer.Titanium discs to be used as magnetic discs which satisfy the above object have the following structures: A titanium disc to be used as magnetic disc having the mean height of the peaks from the center line, R.sub.a, of 0.0002 .mu.m to 0.0060 .mu.m and pits on its surface of 25 .mu.m or less in diameter or 5 .mu.m or less in depth. Further, said titanium disc to be used as a magnetic disc is coated with a non-magnetic plated layer with a thickness of 0.09 .mu.m to 5 .mu.m. Moreover, a titanium disc that is most suitable to be used as a magnetic disc is the titanium disc provided with a plated layer of 30/100 or less in a knife-cut peeling test.
    Type: Grant
    Filed: June 6, 1994
    Date of Patent: December 26, 1995
    Assignees: NKK Corporation, Fuji Electric Co., Ltd.
    Inventors: Hiroyoshi Suenaga, Iwao Ida, Hitoshi Nagashima, Masanori Ohmura, Naoto Kohshiro, Noboru Kurata