Patents by Inventor Kenichi Okada

Kenichi Okada 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: 20140021987
    Abstract: Provided is an injection-locked-type frequency-locked oscillator capable of stable operation and exhibiting low phase noise. This injection-locked-type frequency-locked oscillator comprises: a locked loop (10) provided with a first injection-locked-type signal-controlled oscillator (14); and a second injection-locked-type signal-controlled oscillator (20). In the first injection-locked-type signal-controlled oscillator (14), an output frequency signal is made variable by an oscillation frequency control signal, and no reference clock signal is injected.
    Type: Application
    Filed: March 12, 2012
    Publication date: January 23, 2014
    Applicant: Semiconductor Technology Academic Research Center
    Inventor: Kenichi Okada
  • Publication number: 20140016731
    Abstract: Provided is a millimeter wavelength range transceiver device which can improve phase noise characteristics and which can also independently calibrate each respective local oscillator of a transmission unit and a reception unit. This millimeter wavelength range transceiver device comprises a transmission unit (10), a reception unit (20), and a reference frequency signal generator (30). The transmission unit (10) comprises a transmission-use local oscillator (11) comprising an injection-locked oscillator, a transmission-use mixer (12) for mixing the signal from the transmission-use local oscillator and a transmission baseband signal, and a transmission-use amplifier (13) for amplifying the signal from the transmission-use mixer to a transmission-use antenna (15).
    Type: Application
    Filed: February 17, 2011
    Publication date: January 16, 2014
    Inventors: Kenichi Okada, Akira Matsuzawa
  • Patent number: 8629346
    Abstract: In an electrode substrate 1, the surface of a metal circuit layer 12 is covered and insulated by an insulating layer 14. In a photoelectric conversion element that uses this electrode substrate 1, the metal circuit layer is reliably shielded from an electrolyte solution or the like so that corrosion and leak current thereof is effectively prevented, and the photoelectric conversion efficiency can be improved. The insulating layer 14 is preferably made of a material that contains a glass component, and is particularly preferably formed by printing a paste that contains glass frit. The metal circuit layer 12 is preferably formed using a printing method.
    Type: Grant
    Filed: October 3, 2003
    Date of Patent: January 14, 2014
    Assignee: Fujikura Ltd.
    Inventors: Hiroshi Matsui, Kenichi Okada, Takuya Kawashima, Nobuo Tanabe, Tetsuya Ezure
  • Publication number: 20140000677
    Abstract: A method for producing a dye-sensitized solar cell includes: preparing a first electrode comprising a transparent substrate and a transparent conductive film, and a second electrode comprising a metal substrate that is formed of a metal capable of forming a passivation film; forming an oxide semiconductor layer on the first electrode; supporting a photosensitized dye on the oxide semiconductor layer; disposing an electrolyte on the oxide semiconductor layer; facing the first electrode and the second electrode, and sealing the electrolyte by a sealing section; and fixing a connection member formed of a metal having lower resistance than the metal substrate, onto the surface of the metal substrate, with the surface being on the opposite side of the first electrode, in which method in fixing the connection member, the connection member is bonded to the metal substrate by resistance welding, and thereby the connection member is fixed onto the metal substrate.
    Type: Application
    Filed: August 30, 2013
    Publication date: January 2, 2014
    Applicant: FUJIKURA LTD.
    Inventors: Yoshiyasu ISOBE, Hiroshi MATSUI, Kenichi OKADA, Kazuhiro YAMAMOTO
  • Publication number: 20140000678
    Abstract: A dye-sensitized solar cell module includes a plurality of dye-sensitized solar cells electrically connected in series. The dye-sensitized solar cell includes a first electrode that comprises a transparent substrate, and a transparent conductive film provided on the transparent substrate, a second electrode that faces the first electrode, an oxide semiconductor layer that is provided on the first electrode or the second electrode, and an annular sealing section that joins the first electrode and the second electrode. The transparent substrate is composed of a transparent substrate that is common to the plurality of dye-sensitized solar cells. The second electrodes of two adjoining dye-sensitized solar cells are separated apart from each other. The sealing section includes an annular first sealing section that is provided between the first electrode and the second electrode, and the first sealing sections that are adjoining are integrated together.
    Type: Application
    Filed: August 30, 2013
    Publication date: January 2, 2014
    Applicant: FUJIKURA LTD.
    Inventors: Kouki SHIMOHIRA, Kenichi OKADA
  • Publication number: 20140000715
    Abstract: Provided is a dye-sensitized solar cell for low illumination, which includes a first electrode having a transparent substrate and a transparent conductive film provided on the transparent substrate; a second electrode facing the first electrode; an oxide semiconductor layer provided on the first electrode; an electrolyte provided between the first and the second electrodes; a photosensitizing dye adsorbed to the oxide semiconductor layer; and a co-adsorbent adsorbed to the oxide semiconductor layer together with the dye, the dye being a compound represented by the following formula (1), and the co-adsorbent including a compound represented by the following formula (2): wherein in formula (1), M represents Ru; R1, R2, R3, and R4 each independently represent a monovalent cation; and R5 and R6 each independently represent a halogen group; and wherein in formula (2), n represents an integer from 0 to 5; and R7 represents a monovalent group having a ?-conjugated structure.
    Type: Application
    Filed: September 3, 2013
    Publication date: January 2, 2014
    Applicant: FUJIKURA LTD.
    Inventors: Kouki SHIMOHIRA, Kenichi OKADA, Katsuyoshi ENDO
  • Patent number: 8546683
    Abstract: The electrically conductive glass is obtained by providing a transparent electrically conductive film 12 such as ITO or FTO on a glass plate, and providing a grid including a film of a passivated metal on this transparent electrically conductive film. An insulating, fine oxide film formed on the surface of the passivated metal prevents leakage current from flowing from the grid to an electrolyte. In addition, leakage current is prevented from flowing from the transparent electrically conductive film to the electrolyte by providing a diffusion-preventing film including titanium or titanium oxide between the transparent electrically conductive film and the grid.
    Type: Grant
    Filed: September 23, 2004
    Date of Patent: October 1, 2013
    Assignee: Fujikura Ltd.
    Inventors: Kenichi Okada, Hiroshi Matsui, Nobuo Tanabe
  • Publication number: 20130248118
    Abstract: A pressure-sensitive adhesive layer for an optical film made from an aqueous dispersion-type pressure-sensitive adhesive composition, wherein the aqueous dispersion-type pressure-sensitive adhesive composition is an aqueous dispersion comprising a water-dispersible (meth)acryl-based copolymer (A) having a glass transition temperature from ?55° C. to less than 0° C.; and a water-soluble or water-dispersible component (B) having a glass transition temperature of 0° C. or more, a mixture ratio (A)/(B) is in the range of 50-97/3-50, the component (B) forms domains with maximum lengths between 1 nm and 200 nm in a resin component made of the (meth)acryl-based copolymer (A), and the pressure-sensitive adhesive layer has a haze value (H20) of 1% or less when having a thickness of 20 ?m. The pressure-sensitive adhesive layer for an optical film, which is made from an aqueous dispersion-type pressure-sensitive adhesive composition has good reworkability or recyclability, and has a sufficient level of durability.
    Type: Application
    Filed: November 18, 2011
    Publication date: September 26, 2013
    Applicant: NITTO DENKO CORPORATION
    Inventors: Kunihiro Inui, Toshitsugu Hosokawa, Takaaki Ishii, Masayuki Satake, Kenichi Okada, Toshitaka Takahashi, Taiki Shimokuri, Yousuke Makihata
  • Publication number: 20130228208
    Abstract: The present invention provides a dye-sensitized solar cell module having a plurality of dye-sensitized solar cells connected in series, wherein this module has at least one power generation unit in which at least one bypass diode is connected in parallel to n number (where n represents an integer of 1 to 4) of dye-sensitized solar cells among the plurality of dye-sensitized solar cells.
    Type: Application
    Filed: April 19, 2013
    Publication date: September 5, 2013
    Applicant: Fujikura Ltd.
    Inventors: Kenichi OKADA, Hiroshi MATSUI
  • Patent number: 8445103
    Abstract: To provide an adhesive composition which shows high adhesion with a glass substrate and has excellent heat resistance, moisture resistance and moist heat resistance, an adhesive optical film comprising an adhesive layer made of the adhesive composition, which shows high adhesion between the adhesive layer and an optical film and effectively suppresses the occurrence of adhesive residue and lack of adhesive and also has excellent heat resistance, moisture resistance and moist heat resistance, and an image display device comprising the adhesive optical film, the adhesive optical film comprises an optical film 1, an adhesive layer 3 made of a water dispersible adhesive composition comprising, as raw monomers, an alkyl (meth)acrylate ester whose alkyl group has 4 to 18 carbon atoms, a carboxyl group-containing vinyl monomer, a phosphoric acid group-containing vinyl monomer, and a copolymerizable vinyl monomer which is optionally copolymerizable with the above monomers, wherein a carboxyl group concentration is fr
    Type: Grant
    Filed: June 9, 2010
    Date of Patent: May 21, 2013
    Assignee: Nitto Denko Corporation
    Inventors: Kenichi Okada, Toshitaka Takahashi, Mika Kanamaru, Michio Umeda
  • Publication number: 20130095298
    Abstract: A pressure-sensitive adhesive layer is obtained by applying and drying an aqueous dispersion type pressure-sensitive adhesive composition. On a surface of the pressure-sensitive adhesive layer, the number of a concave portion having a depth in a thickness direction of 0.2 to 20 ?m and a maximum length along the surface of 1 to 10 mm is 5 or less per 1 m2.
    Type: Application
    Filed: June 20, 2011
    Publication date: April 18, 2013
    Applicant: NITTO DENKO CORPORATION
    Inventors: Kayo Shimokawa, Kenichi Okada, Toshitaka Takahashi, Yoshiaki Kitani, Taiki Shimokuri, Yousuke Makihata
  • Publication number: 20130052457
    Abstract: An aqueous dispersion-type pressure-sensitive adhesive composition for an optical film of the invention includes a emulsion particles of a core-shell structure, wherein the emulsion particles include a (meth)acryl-based copolymer (A) having a glass transition temperature of ?55° C. to 0° C. and a (meth)acryl-based copolymer (B) having a glass transition temperature of 0° C. to 180° C., in a single emulsion particle, one of the copolymers (A) and (B) forms a core layer, and another forms a shell layer, at least one of the copolymers (A) and (B) contains a carboxyl group-containing monomer, a difference of the glass transition temperatures between the copolymers (A) and (B) is 50° C. or more, and a ratio (A)/(B) (by weight) is in the range of 50/50 to 90/10. The above composition can form a pressure-sensitive adhesive layer which is prevented from peeling in a moist environment and also prevented from peeling over time after taken out of a high-temperature moist environment.
    Type: Application
    Filed: May 16, 2011
    Publication date: February 28, 2013
    Applicant: NITTO DENKO CORPORATION
    Inventors: Kunihiro Inui, Toshitsugu Hosokawa, Takaaki Ishii, Masayuki Satake, Kenichi Okada, Toshitaka Takahashi, Yousuke Makihata, Taiki Shimokuri, Shusaku Goto, Takeharu Kitagawa, Minoru Miyatake, Tomohiro Mori, Takashi Kamijo
  • Publication number: 20130032193
    Abstract: The present invention is a dye-sensitized solar cell module provided with a pair of mutually opposed electrodes, partitions that connect the pair of electrodes and form a plurality of cell spaces together with the pair of electrodes, and an electrolyte filled into the cell spaces, wherein one electrode of the pair of electrodes has oxide semiconductor portions that face each of the plurality of cell spaces and are loaded with a photosensitizing dye, at least one electrode of the pair of electrodes is composed of at least two layers, the thickest layer is a metal substrate having a thickness of 100 ?m or less or a resin film having a thickness of 500 ?m or less, and the electrode containing the metal substrate or the resin film has a bending portion that bends so as to protrude towards the opposing electrode.
    Type: Application
    Filed: October 11, 2012
    Publication date: February 7, 2013
    Inventor: Kenichi OKADA
  • Patent number: 8293562
    Abstract: A dye-sensitized solar cell manufacturing method of the invention comprises the steps of: preparing a first electrode having an oxide semiconductor layer and a second electrode; forming a first sealing portion by melting and bonding a thermoplastic resin at a first annular section of the first electrode; forming a second sealing portion by melting and bonding a thermoplastic resin at a second annular section of the second electrode; loading a photosensitive dye on the oxide semiconductor layer; forming an electrolyte layer by arranging an electrolyte on the first electrode within the first sealing portion; and forming a sealing portion through bonding the first and second sealing portions, wherein the electrolyte layer is formed after forming the first sealing portion; the sealing portion is formed after loading the dye and forming the electrolyte layer; and the sealing portion is formed through melting the first and second sealing portions, applying pressure.
    Type: Grant
    Filed: May 26, 2011
    Date of Patent: October 23, 2012
    Assignee: Fujikura Ltd.
    Inventors: Katsuhiro Doi, Kenichi Okada
  • Publication number: 20120251821
    Abstract: A pressure-sensitive adhesive layer for an optical film of the invention, which is formed by applying an aqueous dispersion pressure-sensitive adhesive including an aqueous dispersion containing at least a base polymer dispersed in water, and then drying the applied aqueous dispersion pressure-sensitive adhesive, has a content of residual monomer in the pressure-sensitive adhesive layer is 5 to 100 ppm per 1 g of the solid of the pressure-sensitive adhesive layer. The pressure-sensitive adhesive layer for an optical film has high durability so that foaming and peeling can be suppressed even under high temperature or high humidity environment.
    Type: Application
    Filed: October 28, 2010
    Publication date: October 4, 2012
    Applicant: NITTO DENKO CORPORATION
    Inventors: Toshitsugu Hosokawa, Kunihiro Inui, Takaaki Ishii, Masayuki Satake, Kenichi Okada, Toshitaka Takahashi
  • Patent number: 8268661
    Abstract: The present invention is a sealing laminated sheet for an electronic device in which a first sheet and a second sheet 5 are laminated, wherein the first sheet contains an acid-modified polyolefin-based thermoplastic resin, the second sheet 5 has a melting point higher than that of the first sheet, and a peel strength at 25° C. of the second sheet 5 relative to the first sheet is 0.5 to 10.0 N/15 mm. According to the present invention, the production yield of an electronic device can be improved.
    Type: Grant
    Filed: May 20, 2011
    Date of Patent: September 18, 2012
    Assignee: Fujikura Ltd.
    Inventors: Katsuhiro Doi, Kenichi Okada, Hiroki Usui
  • Patent number: 8257615
    Abstract: An electrolyte composition includes an ionic liquid and a solvent, wherein the solvent contains a material made of at least one of sulfolane and derivatives thereof, and a content of the material is 5 to 40 mass % of the total content of the electrolyte composition.
    Type: Grant
    Filed: May 27, 2010
    Date of Patent: September 4, 2012
    Assignee: Fujikura Ltd.
    Inventors: Hiroshi Matsui, Kenichi Okada, Takayuki Kitamura
  • Publication number: 20120218179
    Abstract: A display apparatus and a control method capable of preventing its user from viewing an image in an improper viewing position. The display apparatus includes: an imaging unit that captures a moving image in a predetermined range with respect to an image display direction; an image analyzer that analyzes the moving image captured by the imaging unit, and calculates a position of a target that should be guided to a proper viewing position; and a display controller that causes a display unit to perform display to guide the target to the proper viewing position when the target position calculated by the image analyzer is at an improper viewing position.
    Type: Application
    Filed: July 22, 2010
    Publication date: August 30, 2012
    Applicant: SONY CORPORATION
    Inventors: Haruo Oba, Yusuke Sakai, Eijiro Mori, Kenichi Okada, Katsunori Tanaka, Shinichi Hayashi, Tomohiko Gotoh, Shingo Tsurumi, Asako Tadenuma
  • Patent number: D695679
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: December 17, 2013
    Assignee: Fujikura Ltd.
    Inventors: Katsuyoshi Endoh, Kenichi Okada
  • Patent number: D696187
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: December 24, 2013
    Assignee: Fujikura Ltd.
    Inventors: Katsuyoshi Endoh, Kenichi Okada