Patents by Inventor Naohiro Takeda

Naohiro Takeda 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: 20090220818
    Abstract: The object is to provide a functional composite material which is adaptable to environmental changes. The present invention provides a method for producing a functional composite material comprising a step wherein an insert layer is formed on a first metal substrate having a groove; a step wherein a piezoelectric fiber having a metal core is placed on the first metal substrate; and a step wherein a second metal substrate and the first metal substrate are hot-pressed. The present invention can provide a functional composite material which is adaptable to environmental changes.
    Type: Application
    Filed: March 2, 2006
    Publication date: September 3, 2009
    Inventors: Hiroshi Asanuma, Naohiro Takeda, Hiroshi Sato
  • Publication number: 20090193158
    Abstract: A storage system in which a plurality of storage device enclosures having duplicated device controllers are connected through cable connections, the storage system includes a device controller information management section that manages a state of a corresponding device controller in a storage device enclosure as device controller information, and an management section that manages the plurality of storage device enclosures, the overall management section includes an improper connection determination section that determines whether an improper connection in a cable connection between device controllers in the different storage device enclosures exists or not based on a connection state of the device controller according to a connection order of the cables, and based on the device controller information acquired from the device controller information management section corresponding to each of the device controllers.
    Type: Application
    Filed: January 29, 2009
    Publication date: July 30, 2009
    Applicant: FUJITSU LIMITED
    Inventors: Naohiro Takeda, Juichi Sakai, Yusuke Oota
  • Patent number: 6878513
    Abstract: A modified gelatin obtained by reacting (A) a gelatin and (B) a compound which contains a nitrogenous aromatic ring having a mercapto group to form covalent bond with a reactive group in the gelatin, an introduction amount of the compound in the gelatin being 1.0×10?6 mol to 2.0×10?3 mol per 100 g of the gelatin.
    Type: Grant
    Filed: December 27, 2001
    Date of Patent: April 12, 2005
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Terukazu Yanagi, Mamoru Sakurazawa, Naohiro Takeda, Yoichi Maruyama, Katsuyuki Takada
  • Patent number: 6638704
    Abstract: A silver halide photographic emulsion comprising silver halide grains is disclosed, which is obtained through a process including at least one step of forming grains using a dispersion medium having a low viscosity, wherein 50% or more of the entire projected area of all silver halide grains in the emulsion is occupied by silver halide tabular grains having an aspect ratio of 4 or more and a twin plane spacing of 0.012 &mgr;m or less. Further disclosed is a silver halide color photographic light-sensitive material using the emulsion.
    Type: Grant
    Filed: July 2, 2002
    Date of Patent: October 28, 2003
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Makoto Kikuchi, Naohiro Takeda, Yoichi Maruyama, Yuzo Toda, Masaaki Miki
  • Publication number: 20030077550
    Abstract: A silver halide photographic emulsion comprising silver halide grains is disclosed, which is obtained through a process including at least one step of forming grains using a dispersion medium having a low viscosity, wherein 50% or more of the entire projected area of all silver halide grains in the emulsion is occupied by silver halide tabular grains having an aspect ratio of 4 or more and a twin plane spacing of 0.012 &mgr;m or less. Further disclosed is a silver halide color photographic light-sensitive material using the emulsion.
    Type: Application
    Filed: July 2, 2002
    Publication date: April 24, 2003
    Applicant: FUJI PHOTO FILM CO., LTD.
    Inventors: Makoto Kikuchi, Naohiro Takeda, Yoichi Maruyama, Yuzo Toda, Masaaki Miki
  • Publication number: 20020155398
    Abstract: A modified gelatin obtained by reacting (A) a gelatin and (B) a compound which contains a nitrogenous aromatic ring having a mercapto group to form covalent bond with a reactive group in the gelatin, an introduction amount of the compound in the gelatin being 1.0×10−6 mol to 2.0×10−3 mol per 100 g of the gelatin.
    Type: Application
    Filed: December 27, 2001
    Publication date: October 24, 2002
    Applicant: FUJI PHOTO FILM CO., LTD.
    Inventors: Terukazu Yanagi, Mamoru Sakurazawa, Naohiro Takeda, Yoichi Maruyama, Katsuyuki Takada
  • Patent number: 6413709
    Abstract: A silver halide photographic material using a high-sensitivity sensitive silver halide photographic emulsion having high sensitivity in inherent absorption of silver halide grains thereof, having small inherent desensitization also in addition of a sensitizing dye and also improved in spectral sensitivity, which comprises a support having provided thereon at least one layer of a light-sensitive silver halide emulsion, in which the emulsion comprises at least a dispersing medium and silver halide grains, and 50% or more of the total projected area of the silver halide grains is occupied by grains each having therein at least one twin plane and at least one dislocation line not parallel to the twin plane.
    Type: Grant
    Filed: September 19, 2000
    Date of Patent: July 2, 2002
    Assignee: Fuji Photo Film Co., Ltd.
    Inventor: Naohiro Takeda
  • Patent number: 5581435
    Abstract: A film capacitor element produced from a metallized polyester film is described. In the metallized polyester film, the adhesion between a vapor-deposited metal layer and a polyester substrate is improved by providing a coating layer comprising a specific water soluble or water dispersible resin. The film capacitor produced by the use of the metallized polyester film has good moist heat resistance and long term stability in performance.
    Type: Grant
    Filed: November 8, 1991
    Date of Patent: December 3, 1996
    Assignee: Diafoil Company, Limited
    Inventors: Shin-ichi Kinoshita, Naohiro Takeda
  • Patent number: 5385768
    Abstract: There is disclosed an electrically conductive polyester film comprising a polyester base film and a coating layer which is formed by applying a coating liquid to said base film, thereafter stretching the coated film and heat-setting the film, wherein said coating liquid is an aqueous composition and contains carbon black in an amount of 30-60% by weight of the solid content and produces a layer when dried at 80.degree. C. for 10 minutes, the rupture elongation of said layer being at least 300% and is heat-settable at 10.degree.-200.degree. C., and said coating layer having a surface resistivity of 10.sup.4 -10.sup.10 .OMEGA./.quadrature. and a surface roughness of not more than 0.05 .mu.m. This polyester film exhibits good electric resistivity and light-shielding proper.
    Type: Grant
    Filed: April 28, 1993
    Date of Patent: January 31, 1995
    Assignee: Diafoil Company, Limited
    Inventors: Yuzo Otani, Naohiro Takeda
  • Patent number: 5223328
    Abstract: A thermal ink transfer printing material having a specific coating layer on one surface of the base polyester film is described. By providing the specific coating layer, sticking to a thermal head of a printer can be prevented in the thermal ink transfer printing material according to the present invention, and it shows good printing properties.
    Type: Grant
    Filed: December 16, 1991
    Date of Patent: June 29, 1993
    Assignee: Diafoil Hoechst Co., Ltd.
    Inventors: Yoshihiko Ito, Naohiro Takeda
  • Patent number: 5206084
    Abstract: Disclosed herein are a stretched antistatic laminate film comprising at least one coating layer containing a polymer having pyrrolidium rings in the main molecular chain, and a polyester film layer, a magnetic recording medium using the same, and a recording material for heat sensitive transfer printing using the same.
    Type: Grant
    Filed: October 8, 1991
    Date of Patent: April 27, 1993
    Assignee: Diafoil Hoechst Co., Ltd.
    Inventors: Naohiro Takeda, Yuzo Otani, Nariaki Okajima, Masahiro Kita
  • Patent number: 5188891
    Abstract: Disclosed herein is a magnetic recording medium comprising a polyester film layer, a coating type magnetic layer provided on one side of said polyester film layer, and a back-coat layer provided on the other side of said polyester film layer.
    Type: Grant
    Filed: June 25, 1991
    Date of Patent: February 23, 1993
    Assignee: Diafoil Company, Limited
    Inventors: Naohiro Takeda, Yuzo Otani, Nariaki Okajima, Yoshihiko Ito, Shin-ichi Kinoshita, Masashi Inagaki, Takashi Harada
  • Patent number: 5082730
    Abstract: Disclosed herein are a stretched antistatic laminate film comprising at least one coating layer containing a polymer having pyrrolidium rings in the main molecular chain, and a polyester film layer, a magnetic recording medium using the same, and a recording material for heat sensitive transfer printing using the same.
    Type: Grant
    Filed: December 2, 1988
    Date of Patent: January 21, 1992
    Assignee: Diafoil Company, Limited
    Inventors: Naohiro Takeda, Yuzo Otani, Nariaki Okajima, Masahiro Kita
  • Patent number: 4895830
    Abstract: There is disclosed a sublimation type thermal ink transfer recording material comprising a biaxially drawn film substrate consisting of a polyester base film and an applied primer layer of a reaction product of a polymerizable compound having carbon-carbon unsaturated bonds and a polyester, said substrate being drawn after a solution containing said reaction product is applied on the polyester film; a layer of sublimation type ink formed on said applied layer; and a slippery layer formed on the side opposite to said ink layer. This material has an ink layer which is not easily peeled off and has excellent image-forming ability.
    Type: Grant
    Filed: December 28, 1988
    Date of Patent: January 23, 1990
    Assignee: Diafoil Company, Ltd.
    Inventors: Naohiro Takeda, Yuzo Otani, Nariaki Okajima, Yoshihiko Ito, Shin-ichi Kinoshita
  • Patent number: 4795672
    Abstract: Disclosed herein is a magnetic recording medium comprising a substrate polyester film having on both sides or one side thereof a coating layer comprising a polyurethane having anionic group or a mixture of a polyurethane having anionic group and a polyester having sulfonic group, and an electron radiation cured magnetic layer formed on said coating layer.
    Type: Grant
    Filed: March 5, 1987
    Date of Patent: January 3, 1989
    Assignee: Diafoil Company, Limited
    Inventors: Naohiro Takeda, Yuzo Otani, Masahiro Kita, Nariaki Okajima