Patents by Inventor Katsutoshi Yamane

Katsutoshi Yamane 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: 20040224250
    Abstract: An image forming method for forming an image with laser irradiation on a photothermographic material including transporting the photothermographic material in a sub scanning direction and guiding it to a thermal developing portion, wherein the photothermographic material comprises at least one compound selected from formulae (1a), (1b) and (1c), and the method satisfies one of the following conditions:
    Type: Application
    Filed: March 3, 2004
    Publication date: November 11, 2004
    Inventors: Minoru Sakai, Eiichi Okutsu, Katsuyuki Watanabe, Kouta Fukui, Katsutoshi Yamane
  • Patent number: 6800427
    Abstract: A heat-developable photosensitive material, which comprises a light-sensitive layer containing a light-sensitive silver halide, a light-insensitive organic silver salt, a thermal developer and a binder and a protective layer containing a fluorine compound having at least one fluorinated alkyl group having not less than 2 carbon atoms and not more than 13 fluorine atoms and at least one anionic or nonionic hydrophilic group, and is subjected to processing by a heat-developing machine having a stock tray for heat-developable photosensitive materials placed at the height of not more than 55 cm above the floor.
    Type: Grant
    Filed: June 3, 2003
    Date of Patent: October 5, 2004
    Assignee: Fuji Photo Film Co., Ltd.
    Inventor: Katsutoshi Yamane
  • Patent number: 6791593
    Abstract: An image forming method comprising exposing a heat-developable light-sensitive material comprising a support having thereon at least a light-sensitive silver halide having a silver iodide content of 5 to 100 mol %, a light-insensitive organic silver salt, a heat developing agent, and a binder by means of a scanning optical system having a light source emitting a laser beam having an emission peak between 350 nm and 450 nm to form a latent image on said heat-developable light-sensitive material, heating said heat-developable light-sensitive material to about 80 to 250° C. in a heat development section, and cooling said heat-developable light-sensitive material having been heat treated in said heat development section to or below a development stopping temperature while said heat-developable light-sensitive material is transported in a cooling section.
    Type: Grant
    Filed: July 11, 2002
    Date of Patent: September 14, 2004
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Yasuhiko Goto, Katsutoshi Yamane
  • Publication number: 20040152023
    Abstract: The present invention provides an image forming method using an image recording apparatus that includes a laser irradiating means for laser scanning of a photothermographic material that has a support and includes on at least one surface thereof a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent and a binder, and a conveying means for guiding the photothermographic material in a sub-scanning direction to a thermal development unit, wherein the reducing agent is a specific bisphenol compound. The invention also provides another image forming method including carrying out thermal development, with an interval time equal to or less than 12 seconds, of the photothermographic material.
    Type: Application
    Filed: February 2, 2004
    Publication date: August 5, 2004
    Inventors: Eiichi Okutsu, Katsutoshi Yamane, Yasuhiro Yoshioka
  • Patent number: 6749999
    Abstract: Disclosed is a photothermographic material comprising a support, a photosensitive layer containing a silver halide having a silver iodide content of 10 mol % or more and a reducing agent and a non-photosensitive layer provided on the support, wherein at least one of the photosensitive layer and the non-photosensitive layer contains a dye showing an absorption maximum in a wavelength range of 350 nm to 430 nm. The photothermographic material exhibits high image quality, superior color tone and superior image stability after development.
    Type: Grant
    Filed: November 13, 2002
    Date of Patent: June 15, 2004
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Yoshiharu Yabuki, Katsutoshi Yamane, Ryo Suzuki, Rikio Inoue
  • Publication number: 20040058281
    Abstract: An image forming method using a photothermographic material comprising, on at least one side of a support, at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent and a binder, wherein the photothermographic material: 1) having a gamma value of 2.0 to 4.0 is developed in a thermal development device configured such that a distance between an exposing section and a developing section is not more than 50 cm; 2) having a silver salt of fatty acid at an application amount of 5 mmol/m2 to 18 mmol/m2 is developed in a thermal development device configured such that a distance between an exposing section and a developing section is not more than 50 cm; 3) is discharged from a thermal development device within 35 seconds after heating for thermal development is ceased.
    Type: Application
    Filed: August 21, 2003
    Publication date: March 25, 2004
    Inventors: Katsutoshi Yamane, Sumito Yamada, Eiichi Okutsu, Tomoyuki Ohzeki, Yutaka Oka
  • Publication number: 20040038156
    Abstract: An image forming method using a photothermographic material including, on at least one surface of a support, at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent for silver ions, and a binder, in which (1) the photothermographic material is exposed and thermally developed during transportation at a transportation speed of 23 mm/sec or faster, (2) the non-photosensitive organic silver salt contains 30 mol % to 85 mol % of silver behenate and an amount of the time untill a leading end of the photothermographic material reaches a thermal development station after a power source for ae thermal developing apparatus is turned on is 15 minutes or less, or (3) a coating amount of silver inf the photothermographic material is 1.9 g/m2 or less and a thermal development time is 12 sec or less.
    Type: Application
    Filed: May 30, 2003
    Publication date: February 26, 2004
    Inventors: Takayoshi Oyamada, Senzo Sasaoka, Katsutoshi Yamane
  • Publication number: 20040002021
    Abstract: A heat-developable photosensitive material, which comprises a light-sensitive layer containing a light-sensitive silver halide, a light-insensitive organic silver salt, a thermal developer and a binder and a protective layer containing a fluorine compound having at least one fluorinated alkyl group, having not less than 2 carbon atoms and not more than 13 fluorine atoms and at least one anionic or nonionic hydrophilic group, and is subjected to processing by a heat-developing machine having a stock tray for heat-developable photosensitive materials placed at the height of not more than 55 cm above the floor.
    Type: Application
    Filed: June 3, 2003
    Publication date: January 1, 2004
    Applicant: FUJI PHOTO FILM CO., LTD.
    Inventor: Katsutoshi Yamane
  • Publication number: 20030232288
    Abstract: Disclosed are photothermographic materials having, on a support, a layer that contains at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent and a binder, in which the mean silver iodide content of the photosensitive silver halide falls between 5 and 100 mol %, preferably between 40 and 100 mol %.
    Type: Application
    Filed: November 1, 2002
    Publication date: December 18, 2003
    Inventors: Yutaka Oka, Tomoyuki Ohzeki, Katsutoshi Yamane, Seiichi Yamamoto, Sumito Yamada, Hiroyuki Mifune, Tadashi Inaba, Kohzaburoh Yamada, Katsuyuki Watanabe
  • Publication number: 20030226979
    Abstract: A radiographic intensifying screen is composed of a support and a phosphor layer. The phosphor layer contains a terbium activated gadolinium oxysulfide phosphor. The screen contains a fluorescent dye or pigment which absorbs a portion of luminescence emitted by the oxysulfide phosphor and then emits a light having an emission peak in the wavelength resion of 490 to 600 nm.
    Type: Application
    Filed: March 17, 2003
    Publication date: December 11, 2003
    Applicant: Fuji Photo Film Co., Ltd.
    Inventors: Katsutoshi Yamane, Toshiki Fujiwara
  • Publication number: 20030219684
    Abstract: Disclosed is a photothermographic material comprising a support, a photosensitive layer containing a silver halide having a silver iodide content of 10 mol % or more and a reducing agent and a non-photosensitive layer provided on the support, wherein at least one of the photosensitive layer and the non-photosensitive layer contains a dye showing an absorption maximum in a wavelength range of 350 nm to 430 nm. The photothermographic material exhibits high image quality, superior color tone and superior image stability after development.
    Type: Application
    Filed: November 13, 2002
    Publication date: November 27, 2003
    Inventors: Yoshiharu Yabuki, Katsutoshi Yamane, Ryo Suzuki, Rikio Inoue
  • Publication number: 20030211428
    Abstract: A mono-sheet heat-developable photosensitive material, which comprises a layer containing a light-sensitive silver halide, a light-insensitive organic fatty acid silver salt, a thermal developer and a binder on a support, and exhibits substantially no sensitivity after being subjected to heat-development.
    Type: Application
    Filed: April 25, 2003
    Publication date: November 13, 2003
    Applicant: FUJI PHOTO FILM CO., LTD.
    Inventors: Katsutoshi Yamane, Masatoshi Nakanishi, Fumito Nariyuki
  • Publication number: 20030194659
    Abstract: A heat-developable photosensitive material includes at least a photosensitive silver halide particle, a nonphotonsensitive organic silver salt, a developing accelerator, a reducing agent and a binder on a support, wherein the photosensitive silver halide includes silver iodide at 5 mol % to 100 mol % and the average particle size of the photosensitive silver halide is 5 nm to 80 nm. A heat developing method for the heat-developable photosensitive material is also disclosed.
    Type: Application
    Filed: September 11, 2002
    Publication date: October 16, 2003
    Applicant: FUJI PHOTO FILM CO., LTD.
    Inventors: Tomoyuki Ohzeki, Katsutoshi Yamane
  • Patent number: 6610468
    Abstract: A silver halide photographic material having high sensitivity, low fog and good shelf life (i.e., storage stability), which comprises at least one kind of merocyanine dye represented by formula (I): wherein Z1 represents an atomic group necessary for forming a naphthoxazole ring, R1 and R2 each represents an unsubstituted or substituted alkyl group, an aryl group or a heterocyclic group, L1, L2, L3 and L4 each represents a methine group, M1 represents a charge neutralizing counter ion, and m1 is a number of 0 or more necessary for neutralizing a charge in a molecule.
    Type: Grant
    Filed: April 10, 2001
    Date of Patent: August 26, 2003
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Takashi Katoh, Tomoyuki Ohzeki, Katsutoshi Yamane, Takanori Hioki
  • Publication number: 20030118953
    Abstract: The heat-developable photosensitive material of the present invention comprises a support, a photosensitive silver halide, a non-photosensitive organic silver salt, a heat developer and a binder, wherein the photosensitive silver halide is a specific photosensitive silver halide.
    Type: Application
    Filed: July 10, 2002
    Publication date: June 26, 2003
    Applicant: FUJI PHOTO FILM CO., LTD.
    Inventors: Katsutoshi Yamane, Yasuhiko Goto
  • Publication number: 20030091347
    Abstract: An image forming method comprising exposing a heat-developable light-sensitive material comprising a support having thereon at least a light-sensitive silver halide having a silver iodide content of 5 to 100 mol %, a light-insensitive organic silver salt, a heat developing agent, and a binder by means of a scanning optical system having a light source emitting a laser beam having an emission peak between 350 nm and 450 nm to form a latent image on said heat-developable light-sensitive material, heating said heat-developable light-sensitive material to about 80 to 250° C. in a heat development section, and cooling said heat-developable light-sensitive material having been heat treated in said heat development section to or below a development stopping temperature while said heat-developable light-sensitive material is transported in a cooling section.
    Type: Application
    Filed: July 11, 2002
    Publication date: May 15, 2003
    Applicant: FUJI PHOTO FILM CO., LTD.
    Inventors: Yasuhiko Goto, Katsutoshi Yamane
  • Patent number: 6486477
    Abstract: A radiographic intensifying screen set comprising a pair of a front intensifying screen and a rear intensifying screen, each comprising a support and a plurality of phosphor layers each having a binder resin and a phosphor dispersed therein, provided on the support, wherein at least some of the phosphor layers of the respective front intensifying screen and rear intensifying screen contain a fluorescent dye or a fluorescent pigment which absorbs some of emitted lights from the phosphors and emits lights having other wavelengths, the support for the front intensifying screen is a light-reflective support, and the support for the rear intensifying screen is a light-absorptive support.
    Type: Grant
    Filed: November 29, 1999
    Date of Patent: November 26, 2002
    Assignees: Kasei Optonix Ltd., Fuji Photo Film Co., Ltd.
    Inventors: Yujiro Suzuki, Masaaki Nakamura, Michio Tanaka, Katsutoshi Yamane, Kenji Takahashi
  • Patent number: 6472138
    Abstract: A black and white photothermographic material for laser exposure affording a large covering power and thus affording a high Dmax, and capable of suppressing desensitization in the course of the storage is provided.
    Type: Grant
    Filed: September 28, 2000
    Date of Patent: October 29, 2002
    Assignee: Fuji Photo Film Co., Ltd.
    Inventor: Katsutoshi Yamane
  • Publication number: 20020051950
    Abstract: A silver halide photographic material having high sensitivity, low fog and good shelf life (i.e.
    Type: Application
    Filed: April 10, 2001
    Publication date: May 2, 2002
    Inventors: Takashi Katoh, Tomoyuki Ohzeki, Katsutoshi Yamane, Takanori Hioki
  • Patent number: 6329662
    Abstract: A radiation image forming system utilizing a combination of a silver halide photographic material and radiographic intensifying screens is improved in its radiographic speed and sharpness of the resulting radiation image by employing a rare earth phosphor of the formula MwOwX:M′ (M is Y, La, Gd or Lu; X is a chalcogen atom or a halogen atom; M′ is a rare earth atom which activates M; and w is 2 when X is a chalcogen atom or w is 1 when X is a halogen atom), incorporating into the intensifying screen a fluorescent dye or pigment which absorbs a portion of luminescence emitted by the phosphor and then emits light in a visible region, and employing a photographic material showing a cross-over of 10% or less when it is exposed to radiation in combination with the intensifying screens.
    Type: Grant
    Filed: November 10, 1998
    Date of Patent: December 11, 2001
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Katsutoshi Yamane, Toshiki Fujiwara, Rikio Inoue