Patents by Inventor Yoshiro Ochiai

Yoshiro Ochiai 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: 7598026
    Abstract: An image-forming method comprising: employing a silver halide color photographic light-sensitive material, comprising, on a support, at least one silver halide emulsion layer containing a yellow dye-forming coupler, at least one silver halide emulsion layer containing a magenta dye-forming coupler, at least one silver halide emulsion layer containing a cyan dye-forming coupler, at least one color-mix preventing layer and at least one protective layer, wherein the said silver halide emulsion layer containing a yellow dye-forming coupler includes a blue-sensitive silver halide emulsion having a silver chloride content of 90 mole % or more and containing at least one specific blue-sensitive sensitizing dye; and exposing the said silver halide color photographic light-sensitive material to a blue semiconductor laser of a wavelength shorter by 30 nm to 60 nm than the wavelength at which the said blue-sensitive silver halide emulsion has the spectral sensitivity maximum.
    Type: Grant
    Filed: March 8, 2007
    Date of Patent: October 6, 2009
    Assignee: FUJIFILM Corporation
    Inventors: Akito Yokozawa, Tatsuya Ishizaka, Katsuyuki Takada, Yoshiro Ochiai, Tetsuo Nakamura
  • Publication number: 20070172777
    Abstract: An image-forming method comprising: employing a silver halide color photographic light-sensitive material, comprising, on a support, at least one silver halide emulsion layer containing a yellow dye-forming coupler, at least one silver halide emulsion layer containing a magenta dye-forming coupler, at least one silver halide emulsion layer containing a cyan dye-forming coupler, at least one color-mix preventing layer and at least one protective layer, wherein the said silver halide emulsion layer containing a yellow dye-forming coupler includes a blue-sensitive silver halide emulsion having a silver chloride content of 90 mole % or more and containing at least one specific blue-sensitive sensitizing dye; and exposing the said silver halide color photographic light-sensitive material to a blue semiconductor laser of a wavelength shorter by 30 nm to 60 nm than the wavelength at which the said blue-sensitive silver halide emulsion has the spectral sensitivity maximum.
    Type: Application
    Filed: March 8, 2007
    Publication date: July 26, 2007
    Inventors: Akito Yokozawa, Tatsuya Ishizaka, Katsuyuki Takada, Yoshiro Ochiai, Tetsuo Nakamura
  • Patent number: 7008760
    Abstract: Disclosed is a silver halide color photographic light-sensitive material having at least three silver halide emulsion layers different in color sensitivity from each other on a reflective support, wherein said reflective support is one selected from the group consisting of the following (a), (b) and (c): (a) the reflective support is a water-resistant resin-coated support, and at least one layer of the water-resistant resin layers between the support and the silver halide emulsion layers is a biaxially oriented polyolefin layer having micropores, (b) the reflective support is a water-resistant resin-coated support, and at least one layer of the water-resistant resin layers between the support and the silver halide emulsion layers is a biaxially oriented polyolefin layer having micropores, and between the polyolefin layer and the silver halide emulsion layers, a polyolefin layer having no micropore is provided, and (c) the reflective support is one prepared by coating onto at least the side of the emulsion-coa
    Type: Grant
    Filed: May 18, 2000
    Date of Patent: March 7, 2006
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Hiroyuki Yoneyama, Yasuaki Deguchi, Yasuhiro Yoshioka, Hidekazu Sakai, Katsuyuki Takada, Yoshiro Ochiai, Shin Soejima, Kentaro Okazaki
  • Publication number: 20050266360
    Abstract: A silver halide color photographic material, which can provide photographs reduced in unevenness of finished image density with high productivity and at low prices even when it undergoes exposure and photographic processing operations under high-speed transport in the form of sheets, and a method of forming images by use of such a photographic material.
    Type: Application
    Filed: March 15, 2005
    Publication date: December 1, 2005
    Inventors: Yasuaki Deguchi, Hiroyuki Yoneyama, Kazuaki Yoshida, Shin Soejima, Yoshiro Ochiai, Shinichi Nakahira
  • Publication number: 20050170299
    Abstract: An image-forming method comprising: employing a silver halide color photographic light-sensitive material, comprising, on a support, at least one silver halide emulsion layer containing a yellow dye-forming coupler, at least one silver halide emulsion layer containing a magenta dye-forming coupler, at least one silver halide emulsion layer containing a cyan dye-forming coupler, at least one color-mix preventing layer and at least one protective layer, wherein the said silver halide emulsion layer containing a yellow dye-forming coupler includes a blue-sensitive silver halide emulsion having a silver chloride content of 90 mole % or more and containing at least one specific blue-sensitive sensitizing dye; and exposing the said silver halide color photographic light-sensitive material to a blue semiconductor laser of a wavelength shorter by 30 nm to 60 nm than the wavelength at which the said blue-sensitive silver halide emulsion has the spectral sensitivity maximum.
    Type: Application
    Filed: March 30, 2005
    Publication date: August 4, 2005
    Inventors: Akito Yokozawa, Tatsuya Ishizaka, Katsuyuki Takada, Yoshiro Ochiai, Tetsuo Nakamura
  • Patent number: 6921631
    Abstract: A silver halide color photographic material, which can provide photographs reduced in unevenness of finished image density with high productivity and at low prices even when it undergoes exposure and photographic processing operations under high-speed transport in the form of sheets, and a method of forming images by use of such a photographic material.
    Type: Grant
    Filed: July 17, 2003
    Date of Patent: July 26, 2005
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Yasuaki Deguchi, Hiroyuki Yoneyama, Kazuaki Yoshida, Shin Soejima, Yoshiro Ochiai, Shinichi Nakahira
  • Patent number: 6916601
    Abstract: An image-forming method comprising: employing a silver halide color photographic light-sensitive material, comprising, on a support, at least one silver halide emulsion layer containing a yellow dye-forming coupler, at least one silver halide emulsion layer containing a magenta dye-forming coupler, at least one silver halide emulsion layer containing a cyan dye-forming coupler, at least one color-mix preventing layer and at least one protective layer, wherein the said silver halide emulsion layer containing a yellow dye-forming coupler includes a blue-sensitive silver halide emulsion having a silver chloride content of 90 mole % or more and containing at least one specific blue-sensitive sensitizing dye; and exposing the said silver halide color photographic light-sensitive material to a blue semiconductor laser of a wavelength shorter by 30 nm to 60 nm than the wavelength at which the said blue-sensitive silver halide emulsion has the spectral sensitivity maximum.
    Type: Grant
    Filed: December 27, 2002
    Date of Patent: July 12, 2005
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Akito Yokozawa, Tatsuya Ishizaka, Katsuyuki Takada, Yoshiro Ochiai, Tetsuo Nakamura
  • Publication number: 20050003314
    Abstract: An image-forming method comprising: employing a silver halide color photographic light-sensitive material, comprising, on a support, at least one silver halide emulsion layer containing a yellow dye-forming coupler, at least one silver halide emulsion layer containing a magenta dye-forming coupler, at least one silver halide emulsion layer containing a cyan dye-forming coupler, at least one color-mix preventing layer and at least one protective layer, wherein the said silver halide emulsion layer containing a yellow dye-forming coupler includes a blue-sensitive silver halide emulsion having a silver chloride content of 90 mole % or more and containing at least one specific blue-sensitive sensitizing dye; and exposing the said silver halide color photographic light-sensitive material to a blue semiconductor laser of a wavelength shorter by 30 nm to 60 nm than the wavelength at which the said blue-sensitive silver halide emulsion has the spectral sensitivity maximum.
    Type: Application
    Filed: July 13, 2004
    Publication date: January 6, 2005
    Inventors: Akito Yokozawa, Tatsuya Ishizaka, Katsuyuki Takada, Yoshiro Ochiai, Tetsuo Nakamura
  • Publication number: 20040115570
    Abstract: An image-forming method comprising:
    Type: Application
    Filed: December 27, 2002
    Publication date: June 17, 2004
    Applicant: FUJI PHOTO FILM CO., LTD.
    Inventors: Akito Yokozawa, Tatsuya Ishizaka, Katsuyuki Takada, Yoshiro Ochiai, Tetsuo Nakamura
  • Patent number: 6703195
    Abstract: A silver halide emulsion formed of high silver chloride particles, the high silver chloride particles having a continuous outermost layer containing at least 30 mol % of silver bromide, the high silver chloride particles having a silver chloride content of at least 95 mol % and a silver iodide content of 0.05 mol % to 0.75 mol %, wherein the outermost layer has a center portion, the center portion being limited to a region within 10% to 90% of the volume of the outermost layer, the center portion having present therein a compound of a metal from column VIII of the periodic table.
    Type: Grant
    Filed: June 2, 2003
    Date of Patent: March 9, 2004
    Assignee: Fuji Photo Film Co., Ltd.
    Inventor: Yoshiro Ochiai
  • Publication number: 20030232293
    Abstract: A silver halide emulsion formed of high silver chloride particles, the high silver chloride particles having a continuous outermost layer containing at least 30 mol % of silver bromide, the high silver chloride particles having a silver chloride content of at least 95 mol % and a silver iodide content of 0.05 mol % to 0.75 mol %, wherein the outermost layer has a center portion, the center portion being limited to a region within 10% to 90% of the volume of the outermost layer, the center portion having present therein a compound of a metal from column VIII of the periodic table.
    Type: Application
    Filed: June 2, 2003
    Publication date: December 18, 2003
    Applicant: FUJI PHOTO FILM CO., LTD.
    Inventor: Yoshiro Ochiai
  • Patent number: 6641991
    Abstract: A silver halide emulsion formed of high silver chloride particles, the high silver chloride particles having a continuous outermost layer containing at least 30 mol % of silver bromide, the high silver chloride particles having a silver chloride content of at least 95 mol % and a silver iodide content of 0.05 mol % to 0.75 mol %, wherein the outermost layer has a center portion, the center portion being limited to a region within 10% to 90% of the volume of the outermost layer, the center portion having present therein a compound of a metal from column VIII of the periodic table.
    Type: Grant
    Filed: October 1, 2001
    Date of Patent: November 4, 2003
    Assignee: Fuji Photo Film Co., Ltd.
    Inventor: Yoshiro Ochiai
  • Publication number: 20020076662
    Abstract: A silver halide emulsion formed of high silver chloride particles, the high silver chloride particles having a continuous outermost layer containing at least 30 mol % of silver bromide, the high silver chloride particles having a silver chloride content of at least 95 mol % and a silver iodide content of 0.05 mol % to 0.75 mol %, wherein the outermost layer has a center portion, the center portion being limited to a region within 10% to 90% of the volume of the outermost layer, the center portion having present therein a compound of a metal from column VIII of the periodic table.
    Type: Application
    Filed: October 1, 2001
    Publication date: June 20, 2002
    Applicant: FUJI PHOTO FILM CO.,LTD.
    Inventor: Yoshiro Ochiai
  • Patent number: 6387609
    Abstract: There is disclosed a spectrally and chemically sensitized silver halide emulsion, which comprises silver halide grains, wherein 50% or more of total projected area of the grains is provided by tabular grains having {111} principal planes and an aspect ratio of 2.0 or more, and said tabular grains contain silver iodobromochloride or bromochloride grains each having an AgCl content of 90 mole % or more, and having angular corners. There is also disclosed a silver halide color photographic light-sensitive material containing the silver halide emulsion in at least one silver halide emulsion layer, and image-forming method comprising subjecting the material to scanning exposure, and then conducting color development.
    Type: Grant
    Filed: September 29, 2000
    Date of Patent: May 14, 2002
    Assignee: Fuji Photo Film Co., Ltd.
    Inventor: Yoshiro Ochiai
  • Patent number: 6183946
    Abstract: A silver halide emulsion is disclosed, which is a silver chlorobromide or silver chloroiodobromide emulsion having a silver chloride content of 90 mol % or more, wherein the silver halide grain in said emulsion has, in the vicinity of the grain surface, a silver bromide-rich phase containing an iridium compound and, the silver bromide-rich phase comprises an inner part region and an outer side part region, wherein the inner side part region has a higher iridium compound density than the outer side part region has.
    Type: Grant
    Filed: September 24, 1998
    Date of Patent: February 6, 2001
    Assignee: Fuji Photo Film Co., Ltd.
    Inventor: Yoshiro Ochiai
  • Patent number: 5561039
    Abstract: A silver halide photographic light-sensitive material. It comprises a support and at least one silver halide emulsion layer thereon, wherein at least one silver halide emulsion layer comprises silver chlorobromide emulsion particles containing 95 mol % or more of silver chloride or silver chloride emulsion particles as well as at least one thiosulfonic compound of formula (X) and at least one sulfinic compound of formula (Y), and the particles contained in the silver halide emulsion layer are sensitized by gold, selenium, or tellurium, and are spectrally sensitized by a red-sensitive methine dye represented by formula (I): ##STR1## wherein Q, R.sup.1 and other symbols each independently represents a specific atom or group, n is an integer from 0 to 6, M is a counter ion which neutralizes an electric charge, and m is 0 or 1.
    Type: Grant
    Filed: June 2, 1995
    Date of Patent: October 1, 1996
    Assignee: Fuji Photo Film Co., Ltd.
    Inventor: Yoshiro Ochiai