Patents by Inventor Hidekazu Sakai

Hidekazu Sakai 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: 20080254981
    Abstract: An heat-sensitive transfer image-forming method which uses a heat-sensitive transfer image-receiving sheet and a heat-sensitive transfer sheet, in which the heat-sensitive transfer image-receiving sheet includes at least one receptor layer; and the heat-sensitive transfer sheet includes at least one yellow dye layer, at least one magenta dye layer, and at least one cyan dye layer: the method including superposing the heat-sensitive transfer sheet on the heat-sensitive transfer image-receiving sheet, and then heating to form an image on the receptor layer; and controlling the maximum value of E value represented by formula (1) having the range from 52 to 72, based on a* value and b* value in the region of L* value of the formed magenta monochromatic image ranging from 45 to 90: Formula (1) E=?(a*2+b*2).
    Type: Application
    Filed: March 26, 2008
    Publication date: October 16, 2008
    Applicant: FUJIFILM Corporation
    Inventors: Junichiro HOSOKAWA, Shin Soejima, Hidekazu Sakai, Kazuaki Oguma
  • Patent number: 7422843
    Abstract: A silver halide color photographic light-sensitive material for movie, containing, on a side of a transmission-type support, yellow-, cyan- and magenta-color-forming light-sensitive silver halide emulsion layers and a non-light-sensitive hydrophilic colloidal layer, in which the non-light-sensitive hydrophilic colloidal layer contains a solid fine-particle dispersion of a specific dye; and in which a surface resistance value of a surface of the material opposite to the side where the silver halide emulsion layers are provided, satisfies expression (S) and expression (T) described below: 0.3?(SR2?SR1)?3.0 ??Expression (S) 9.0?SR1?12.7 wherein SR1 and SR2 represent each of the logarithm of the surface resistance values before and after the material is subjected to a color developing treatment.
    Type: Grant
    Filed: March 26, 2007
    Date of Patent: September 9, 2008
    Assignee: FUJIFILM Corporation
    Inventors: Shin Soejima, Hidekazu Sakai, Shinji Tanaka
  • Patent number: 7396640
    Abstract: A silver halide color photographic light-sensitive material, which is for use in movie projection, and which has: on a transparent support, at least three light-sensitive silver halide emulsion layers which are different from each other in color developability and color sensitivity; and at least one non-light-sensitive hydrophilic colloid layer, wherein the light-sensitive silver halide emulsion layer nearest to the support includes silver halide emulsion grains having a silver chloride content of 95 mol % or more, wherein the silver halide color photographic light-sensitive material further contains at least one non-light-sensitive hydrophilic colloid layer containing black colloidal silver between the support and the light-sensitive silver halide emulsion layer nearest to the support, and wherein an amount of Fe in the silver halide color photographic light-sensitive material is 6×10?5 mol/m2 or less.
    Type: Grant
    Filed: March 27, 2007
    Date of Patent: July 8, 2008
    Assignee: FUJIFILM Corporation
    Inventor: Hidekazu Sakai
  • Publication number: 20080081766
    Abstract: An image-forming method comprising employing (1) a heat-sensitive transfer image-receiving sheet having a support, at least one dye receptor layer on the support, and at least one heat insulation layer containing both hollow polymer particles and a hydrophilic polymer, the heat insulation layer being disposed between the receptor layer and the support, and (2) a heat-sensitive transfer sheet having at least one yellow heat transfer layer, at least one magenta heat transfer layer, and/or at least one cyan heat transfer layer on a support, wherein at least two of a yellow dye, a magenta dye, and a cyan dye, each incorporated in the corresponding heat transfer layer, are specific compounds.
    Type: Application
    Filed: September 28, 2007
    Publication date: April 3, 2008
    Applicant: FUJIFILM Corporation
    Inventors: Hidekazu Sakai, Nobuyuki Haraguchi, Naotsugu Muro, Yoshihiko Fujie
  • Patent number: 7332265
    Abstract: A silver halide color photographic light-sensitive material, having at least one yellow dye image-forming layer, at least one magenta dye image-forming layer, and at least one cyan dye image-forming layer, each provided on a transparent support, which shows 3.0 or more maximum transmission densities for the respective layers upon area exposure with an exposure time of 10?4 sec, and shows a transmission density in a range of 0.95 to 1.05 when color development is started in 30 minutes after exposure with an exposure amount that gives a density of 1.0, when the light-sensitive material is subjected to color development started in 5 minutes after exposure; and an image-forming-method using the same.
    Type: Grant
    Filed: November 7, 2003
    Date of Patent: February 19, 2008
    Assignee: FUJIFILM Corporation
    Inventors: Jun Matsumoto, Shinichi Nakahira, Hidekazu Sakai
  • Publication number: 20070248906
    Abstract: A silver halide color photographic light-sensitive material for movie, containing, on a side of a transmission-type support, yellow-, cyan- and magenta-color-forming light-sensitive silver halide emulsion layers and a non-light-sensitive hydrophilic colloidal layer, in which the non-light-sensitive hydrophilic colloidal layer contains a solid fine-particle dispersion of a specific dye; and in which a surface resistance value of a surface of the material opposite to the side where the silver halide emulsion layers are provided, satisfies expression (S) and expression (T) described below: 0.3?(SR2?SR1)?3.0 ??Expression (S) 9.0?SR1?12.7 wherein SR1 and SR2 represent each of the logarithm of the surface resistance values before and after the material is subjected to a color developing treatment.
    Type: Application
    Filed: March 26, 2007
    Publication date: October 25, 2007
    Applicant: FUJIFILM Corporation
    Inventors: Shin Seojima, Hidekazu Sakai, Shinji Tanaka
  • Publication number: 20070227750
    Abstract: A beach cleaner which scrapes up the litter along with sand and captures and deposits the churned up litter and sand in the mesh member. The beach cleaner 50 includes a frame; keel members, a scraper, and a tow portion that are disposed in a front portion of the frame; a mesh member disposed in a rear portion of the frame. The keel members and the scraper churn up litter scattered on sand ground, along with sand, while the beach cleaner travels on a surface of the sand ground by being towed by a towing vehicle. The churned up litter is deposited in the mesh member. Mesh of the mesh member is relatively rough at a front portion thereof in the traveling direction and finer at a rear portion thereof.
    Type: Application
    Filed: March 28, 2007
    Publication date: October 4, 2007
    Inventors: Shokichi Ari, Hidekazu Sakai, Akito Hiramatsu
  • Publication number: 20070227960
    Abstract: To provide a waste recovery station for a beach cleaner which is less liable to be bulky after being divided and can facilitate installing work, and which can easily load and unload a beach cleaner and a waste recovery station on and from a trailer. A waste recovery station includes a pair of left and right grounded members, guide members formed like a mountain as viewed from the side and attached to the grounded members, and bar-like connecting members integrally connecting the grounded members. The waste recovery station can recover the waste collected by the beach cleaner towed by the towing vehicle to run on the sand area by allowing the beach cleaner to ride on the waste recovery station. The waste recovery station includes a connecting pipe which removably connect an end of the connecting member to the grounded member.
    Type: Application
    Filed: April 2, 2007
    Publication date: October 4, 2007
    Applicant: HONDA MOTOR CO., LTD.
    Inventors: Shokichi Arai, Hidekazu Sakai, Tadashi Oshima, Tetsuro Hosoda
  • Publication number: 20070231753
    Abstract: A silver halide color photographic light-sensitive material, which is for use in movie projection, and which has: on a transparent support, at least three light-sensitive silver halide emulsion layers which are different from each other in color developability and color sensitivity; and at least one non-light-sensitive hydrophilic colloid layer, wherein the light-sensitive silver halide emulsion layer nearest to the support includes silver halide emulsion grains having a silver chloride content of 95 mol % or more, wherein the silver halide color photographic light-sensitive material further contains at least one non-light-sensitive hydrophilic colloid layer containing black colloidal silver between the support and the light-sensitive silver halide emulsion layer nearest to the support, and wherein an amount of Fe in the silver halide color photographic light-sensitive material is 6×10?5 mol/m2 or less.
    Type: Application
    Filed: March 27, 2007
    Publication date: October 4, 2007
    Applicant: FUJIFILM Corporation
    Inventor: Hidekazu Sakai
  • Publication number: 20070227749
    Abstract: To make it easier to collect litter which is captured and deposited in a mesh member of a beach cleaner which scrapes up the litter along with sand and captures and deposits the churned up litter and sand in the mesh member. In a second beach cleaner which captures and deposits in a mesh member litter scattered around in the sand by churning up the litter along with sand while traveling by being towed by a towing vehicle, the mesh member has an encircling member open on at least one side and is attached to the frame such that the mesh member is pivotable with respect to the frame.
    Type: Application
    Filed: March 28, 2007
    Publication date: October 4, 2007
    Inventors: Shokichi Arai, Hidekazu Sakai, Tadashi Oshima, Tetsuro Hosoda, Akito Hiramatsu
  • Publication number: 20070227751
    Abstract: A beach cleaner having a grate-like frame is formed with multiple longitudinal members. Each of the longitudinal members is provided with a plurality of sand pins projecting downward therefrom, and the frame is provided at its front end with the tow portion. The beach cleaner can be towed by a towing vehicle to generate on a sand area, while the sand pins scrape and collect waste scattered on the sand. The sand pins are detachably attached to the longitudinal members. The beach cleaner also includes a weight mount member, enabling the amount of burying the sand pins in a sand area to be optimized to enhance waste collection performance.
    Type: Application
    Filed: April 2, 2007
    Publication date: October 4, 2007
    Inventors: Shokichi Arai, Hidekazu Sakai, Tadashi Oshima, Tetsuro Hosoda, Akito Hiramatsu
  • Publication number: 20070172778
    Abstract: A silver halide color photographic light-sensitive material, in which a non-light-sensitive hydrophilic colloidal layer, on a transmission-type support, contains a solid fine-particle dispersion of a dye represented by formula (I), any one of photographic constituting layers contains a compound represented by formula (A) and/or a compound represented by formula (B) or (FS-2), and the light-sensitive material does not contain any compound represented by formula (C): in formulas (I), (A), (B) and (C), D represents a group to give a compound having a chromophore; X represents a dissociable hydrogen or a group having a dissociable hydrogen; y is an integer from 1 to 7; R1 represents a substituted or unsubstituted alkyl or alkoxy group; R2 and R3 each independently represent a substituted or unsubstituted alkyl group; R4 represents a substituted or unsubstituted alkyl group; M, M1, M2 and M3 each independently represent a cation; n represents an integer of 1 to 7; A and B each independently represent a fluo
    Type: Application
    Filed: December 26, 2006
    Publication date: July 26, 2007
    Applicant: FUJIFILM Corporation
    Inventors: Hidekazu Sakai, Shin Soejima, Shinji Tanaka
  • 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
  • Patent number: 6899185
    Abstract: A beach cleaner that is simple in configuration and light in weight and can be manufactured at a low cost. The beach cleaner is easy with regard to maintenance and inspection and can efficiently reclaim various kinds of refuse scattered on a beach. A beach cleaner includes a traveling body with ski members disposed at four corner portions of a frame having a substantially quadrangular shape. The beach cleaner is towed along a surface F of sandy soil by a traction vehicle R. A bar-like scraper is provided at a lower portion of a front portion of the traveling body and extends in a widthwise direction of the traveling body through a scraper supporting member for scraping up refuse on the sandy soil while the traveling body is operating. A refuse reclamation section is provided on the traveling body rearwardly of the bar-like scraper for collecting pieces of refuse scraped up and thrown rearwardly by the bar-like scraper onto a net member.
    Type: Grant
    Filed: April 30, 2002
    Date of Patent: May 31, 2005
    Assignee: Honda Giken Kogyo Kabushiki Kaisha
    Inventors: Katsuichi Yagisawa, Takashi Ohzeki, Yoshinobu Itani, Yasuji Hashimoto, Hidekazu Sakai, Takashi Shinozaki
  • Patent number: 6893810
    Abstract: A photographic material, comprising a support having thereon at least one yellow, cyan, and magenta color-forming light-sensitive silver halide emulsion layer, and at least one light-insensitive non-color forming hydrophilic colloid layer. At least one cyan emulsion layer contains a cyan dye-forming coupler [C-1] and at least one light-insensitive colloid layer exists between the support and a light-sensitive emulsion layer most adjacent thereto. Also, a photographic material, comprising a transparent support having thereon at least three kinds of light-sensitive hydrophilic colloid layers each containing any of yellow, magenta and cyan dye-forming couplers and containing silver halide grains different from each other in color sensitivity, and at least one light-insensitive hydrophilic colloid layer. Any layer contains a compound [XI], at least one colloid layer contains a solid fine particle dispersion of a dye [I], and said material has a film pH from 4.6 to 6.4.
    Type: Grant
    Filed: December 21, 1999
    Date of Patent: May 17, 2005
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Hidekazu Sakai, Osamu Takahashi, Kiyohito Takada, Keizo Kimura
  • Patent number: 6887657
    Abstract: A silver halide color photographic photosensitive material, which containes at least one specific compound containing at least one alkenylcarbonyl group, in at least one layer on a support; and an image-forming method using the same.
    Type: Grant
    Filed: May 11, 2004
    Date of Patent: May 3, 2005
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Nobuo Seto, Toshiyuki Makuta, Hidekazu Sakai, Hiroyuki Yoneyama, Tomonori Ichinose
  • Patent number: 6852478
    Abstract: A silver halide color photographic light-sensitive material with a magenta emulsion layer containing a pyrazolotriazole magenta dye-forming coupler and containing an emulsion whose silver chloride content is 98 mol % or more, with a light-insensitive hydrophilic colloidal layer containing a solid fine-particle dispersion of a dye. The magenta emulsion layer is a light-sensitive silver halide emulsion layer most apart from the light-insensitive hydrophilic colloidal layer among all the light-sensitive silver halide emulsion layers. A silver halide color photographic light-sensitive material for cinema, in which light-sensitive silver halide particles have a silver chloride content of 95 mol % or more, a total coated amount of silver is 1.7 g/m2 or less, a thickness of the film on the support on the side of layers containing the light-sensitive silver halide is 12.0 ?m or less, and the swelling rate to water is 200% or less.
    Type: Grant
    Filed: March 12, 2003
    Date of Patent: February 8, 2005
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Hidekazu Sakai, Tatsuya Ishizaka, Katsuyuki Takada
  • Publication number: 20040234908
    Abstract: A silver halide color photographic photosensitive material, which containes at least one specific compound containing at least one alkenylcarbonyl group, in at least one layer on a support; and an image-forming method using the same.
    Type: Application
    Filed: May 11, 2004
    Publication date: November 25, 2004
    Applicant: FUJI PHOTO FILM CO., LTD.
    Inventors: Nobuo Seto, Toshiyuki Makuta, Hidekazu Sakai, Hiroyuki Yoneyama, Tomonori Ichinose
  • Patent number: 6815152
    Abstract: A silver halide color photographic photosensitive material comprising: a transmitting support; at least three types of photosensitive hydrophilic colloid layers disposed on the support, each type including at least one of a yellow, a magenta and a cyan color forming coupler; silver halide emulsion particles, which have a color sensitivity different from the other types, wherein at least one of the color sensitivities comprises green-sensitivity; and an Fe content of no more than 2×10−5 moles/m2; each silver halide emulsion particle including a halogen composition, which comprises at least one of silver chlorobromide, silver chloroiodide, silver chloroiodide bromide and silver chloride having a silver chloride content ratio of 95% by mole or more, an average sphere-equivalent particle diameter of the green-sensitive silver halogen emulsion particles comprising no more than 0.25 &mgr;m and at least one type of the green-sensitive silver halogen emulsion particles being doped with Ir.
    Type: Grant
    Filed: September 26, 2002
    Date of Patent: November 9, 2004
    Assignee: Fuji Photo Film. Co., Ltd.
    Inventors: Kiyohito Takada, Hidekazu Sakai, Terukazu Yanagi
  • Publication number: 20040157175
    Abstract: A silver halide color photographic light-sensitive material, having at least one yellow dye image-forming layer, at least one magenta dye image-forming layer, and at least one cyan dye image-forming layer, each provided on a transparent support,
    Type: Application
    Filed: November 7, 2003
    Publication date: August 12, 2004
    Applicant: FUJI PHOTO FILM CO., LTD.
    Inventors: Jun Matsumoto, Shinichi Nakahira, Hidekazu Sakai