Patents by Inventor Kazuaki Oguma

Kazuaki Oguma 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: 8343890
    Abstract: A heat-sensitive transfer image-receiving sheet having, on a support, at least one heat insulation layer and at least one receptor layer in this sequence, the receptor layer containing a latex polymer and a polyether-modified silicone represented by a specific formula, and the receptor layer containing at least one anionic surfactant represented by other two specific formulae.
    Type: Grant
    Filed: July 29, 2010
    Date of Patent: January 1, 2013
    Assignee: FUJIFILM Corporation
    Inventors: Takuya Arai, Masaaki Miki, Kazuaki Oguma
  • Patent number: 8297939
    Abstract: A method of pumping an agglomerative liquid includes providing a diaphragm pump defined herein and pumping the agglomerative liquid using the diaphragm pump, the diaphragm has an annular thickened portion in the peripheral portion thereof as defined herein, the pump head has at least one channel communicating the inner peripheral edge of the clamping surface and the pump chamber, the diaphragm is reciprocally movable in opposite directions perpendicular to the diaphragm plane to increase and decrease the volume of the pump chamber so as to pump the liquid, the thickened portion of the diaphragm, the holding member, and the pump head are configured to satisfy the relation A<B as defined herein, and the reciprocal movement of the diaphragm is from the flat state toward the pump chamber side and from the flat state toward the side opposite to the pump chamber side.
    Type: Grant
    Filed: July 23, 2009
    Date of Patent: October 30, 2012
    Assignee: Fujifilm Corporation
    Inventors: Kazuaki Oguma, Ryuji Abe
  • Patent number: 8222185
    Abstract: A heat-sensitive transfer sheet at least having a polyester support, a barrier layer, a heat-sensitive transfer layer containing a dye and a binder, both layers being applied on a surface of the support in this order, and having the heat-sensitive transfer layer including yellow, magenta, and cyan heat-sensitive transfer layers, and the yellow, magenta, and cyan heat-sensitive transfer layers and a protective layer being formed in area order, wherein the barrier layer contains a polyvinylpyrrolidone and cyan heat-sensitive transfer layer contains at least one silicone oil and at least one dye represented by the following formula (C1): wherein Ar represents a substituted or unsubstituted p-phenylene group; R1 represents a substituted or unsubstituted alkyl group; R2 represents a substituted or unsubstituted acylamino group, or a substituted or unsubstituted alkoxycarbonylamino group; R3 and R4 each independently represent a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkenyl gr
    Type: Grant
    Filed: August 27, 2009
    Date of Patent: July 17, 2012
    Assignee: FUJIFILM Corporation
    Inventors: Kazuaki Oguma, Naotsugu Muro
  • Patent number: 8188000
    Abstract: A heat-sensitive transfer image-receiving sheet having a support and, on each of both sides of the support, at least one receptor layer containing at least one kind of latex polymer; a heat-sensitive transfer image-receiving sheet containing a support and, on each of both sides of the support, are formed at least one interlayer, at least one heat insulation layer containing at least one kind of hollow polymer, and at least one receptor layer in this order from the support; and a method of producing a heat-sensitive transfer image-receiving sheet comprising a support and, on each of both sides of the support, at least one receptor layer containing at least one kind of latex polymer, which method including forming the receptor layer by applying a receptor layer-coating liquid which has a solid content in the range of from 5% by mass to 50% by mass, per one coating operation.
    Type: Grant
    Filed: August 28, 2008
    Date of Patent: May 29, 2012
    Assignee: FUJIFILM Corporation
    Inventors: Tomoyuki Koide, Kazuaki Oguma, Yasufumi Nakai, Shinichiro Morimoto, Shigeru Shibayama
  • Patent number: 8133843
    Abstract: A heat-sensitive transfer image-receiving sheet, comprising a support, and at least one heat insulation layer containing hollow polymer particles and at least one receptor layer provided for the support in this order, wherein the receptor layer contains a latex polymer having a glass transition temperature (Tg) of lower than 50° C. and a latex polymer having a glass transition temperature (Tg) of 50° C. or higher, the latex polymer having a glass transition temperature (Tg) of lower than 50° C. is contained in an amount, as solid content, larger than that of the latex polymer having a glass transition temperature (Tg) of 50° C. or higher, and the latex polymer having a glass transition temperature (Tg) of lower than 50° C. is a latex polymer having the recurring unit obtained from vinyl chloride monomer in an amount of 50 mol % or more.
    Type: Grant
    Filed: January 27, 2009
    Date of Patent: March 13, 2012
    Assignee: Fujifilm Corporation
    Inventors: Kazuaki Oguma, Shigeru Shibayama
  • Patent number: 8129309
    Abstract: A heat-sensitive transfer sheet, comprising a base film, at least three heat-sensitive transfer layers containing heat-sensitively transferable dyes and a resin, and a heat-resistant slipping layer, in which the at least three heat-sensitive transfer layers contains two or more dyes different from each other; the heat-sensitive transfer layers are provided on one face of the base film so as not to be superposed on one another; the heat-sensitive transfer layers contains, as the resin, at least one of a polyvinylbutyral resin and a polyvinyl acetacetal resin, each having a polymerization degree of 200 to 1,000; and at least one of the heat-sensitive transfer layers contains the polyvinylbutyral resin as described above and the polyvinyl acetacetal resin described above, and has a ratio of the polyvinylbutyral to the polyvinyl acetacetal different from those in the other heat-sensitive transfer layers.
    Type: Grant
    Filed: March 28, 2008
    Date of Patent: March 6, 2012
    Assignee: Fujifilm Corporation
    Inventors: Akito Yokozawa, Kazuaki Oguma
  • Patent number: 8129308
    Abstract: A thermal transfer image-receiving sheet comprising a heat-insulating layer and an image-receiving layer on a support, wherein the receiving layer contains polymer latex, the heat-insulating layer contains hollow polymer, and at least two layers are formed by simultaneous multilayer coating, and wherein at least one layer on the side of the receiving layer on the support contains at least two compounds of the following formulae [I] to [IV]: wherein R1, R2, R13-R15, R18, R19 represent hydrogen etc.; R20 represents lower alkylene; X represents hydrogen etc.; l is 2-6; m is 1-4; p is 0 or 1; and q is 0-5.
    Type: Grant
    Filed: March 28, 2008
    Date of Patent: March 6, 2012
    Assignee: Fujifilm Corporation
    Inventors: Kazuaki Oguma, Yasufumi Nakai
  • Patent number: 8124563
    Abstract: A heat-sensitive transfer image-receiving sheet having at least one heat insulation layer and at least one receptor layer on a support, the heat insulation layer containing at least one hollow polymer, and the receptor layer containing at least one latex polymer having the glass transition temperature (Tg) of 20° C. to 60° C. and at least one polymer compound having an aliphatic group substituted with a fluorine atom at its side chain.
    Type: Grant
    Filed: January 27, 2009
    Date of Patent: February 28, 2012
    Assignee: Fujifilm Corporation
    Inventors: Kazuaki Oguma, Yasufumi Nakai, Hideyuki Shirai
  • Patent number: 8012909
    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: Grant
    Filed: March 26, 2008
    Date of Patent: September 6, 2011
    Assignee: FUJIFILM Corporation
    Inventors: Junichiro Hosokawa, Shin Soejima, Hidekazu Sakai, Kazuaki Oguma
  • Patent number: 8012908
    Abstract: A heat-sensitive transfer image-receiving sheet, which is used in an image formation system that continuously produces printed outputs at intervals of 5 seconds or below between the end of ejection of one sheet printed and the start of ejection of the next sheet printed, and which has on a support at least one receptor layer containing a latex polymer comprising repeating units of vinyl chloride component and at least one heat insulation layer containing hollow polymer particles; and a method of forming an image, which uses utilizes the above heat-sensitive image-receiving sheet.
    Type: Grant
    Filed: March 23, 2007
    Date of Patent: September 6, 2011
    Assignee: FUJIFILM Corporation
    Inventors: Tomoyuki Koide, Kazuaki Oguma, Takuya Arai
  • Patent number: 7951750
    Abstract: An image-forming method, having: superposing a heat-sensitive transfer sheet on a heat-sensitive transfer image-receiving sheet so that at least one receptor layer of the heat-sensitive transfer image-receiving sheet can be contacted with a thermal transfer layer of the heat-sensitive transfer sheet; and providing thermal energy in accordance with image signals given from a thermal head, thereby to form an image; wherein the heat-sensitive transfer sheet has the thermal transfer layer that contains a thermally transferable colorant on one surface of a substrate film, and a heat-resistant sliding layer that is formed so as to contain a hardener on the other surface; and wherein the heat-sensitive transfer image-receiving sheet has, on a support, the at least one receptor layer that contains a latex polymer, and at least one heat insulation layer that contains hollow polymer particles but does not contain a resin having poor resistance to an organic solvent.
    Type: Grant
    Filed: March 9, 2007
    Date of Patent: May 31, 2011
    Assignee: FUJIFILM Corporation
    Inventors: Takuya Arai, Kazuaki Oguma, Toshihide Yoshitani, Masataka Yoshizawa, Yoshihisa Tsukada
  • Patent number: 7932210
    Abstract: An image-forming method, containing the steps of: superposing a heat-sensitive transfer sheet on a heat-sensitive transfer image-receiving sheet so that the following at least one receptor layer of the heat-sensitive transfer image-receiving sheet can be contacted with the following thermal transfer layer of the heat-sensitive transfer sheet; and providing thermal energy in accordance with image signals, thereby to form a thermal transfer image; in which the heat-sensitive transfer image-receiving sheet comprises, on a support, at least one receptor layer containing a polymer latex, and at least one heat insulation layer containing hollow polymer particles but free of any resins having poor resistance to an organic solvent except for the hollow polymer particles, and the heat-sensitive transfer sheet comprises, on a support, a thermal transfer layer containing at least any one of a compound represented by formula (Y), a compound represented by formula (M) and a compound represented by formula (C): in
    Type: Grant
    Filed: February 28, 2007
    Date of Patent: April 26, 2011
    Assignee: FUJIFILM Corporation
    Inventors: Kazuaki Oguma, Yoshio Ishii, Yoshihisa Tsukada, Hiroshi Takehara, Yoshihiko Fujie
  • Patent number: 7897542
    Abstract: A heat-sensitive transfer image-receiving sheet, which has a substrate, and a dye receptor layer provided at least one side of the substrate, wherein the heat-sensitive transfer image-receiving sheet contains at least one compound represented by formula (L1): wherein R01 represents —C(?O)R or a hydrogen atom, in which R represents an aliphatic group which may have a substituent, and a plurality of R01's are the same as or different from each other, but at least one of R01's is —C(?O)R, and n represents 0 or 1; and a method of producing the heat-sensitive transfer image-receiving sheet.
    Type: Grant
    Filed: September 28, 2007
    Date of Patent: March 1, 2011
    Assignee: FUJIFILM Corporation
    Inventors: Kazuaki Oguma, Takuya Arai, Yoshihisa Tsukada
  • Publication number: 20110027503
    Abstract: A heat-sensitive transfer image-receiving sheet having, on a support, at least one heat insulation layer and at least one receptor layer in this sequence, the receptor layer containing a latex polymer and a polyether-modified silicone represented by a specific formula, and the receptor layer containing at least one anionic surfactant represented by other two specific formulae.
    Type: Application
    Filed: July 29, 2010
    Publication date: February 3, 2011
    Applicant: FUJIFILM Corporation
    Inventors: Takuya ARAI, Masaaki Miki, Kazuaki Oguma
  • Publication number: 20110027504
    Abstract: A heat-sensitive transfer image-receiving sheet, having on a support: at least one heat insulation layer; and at least one receptor layer containing a latex polymer and polyether-modified silicone in this order, in which at least one layer provided on the side of the support having the receptor layer contains at least one fluorine-containing compound represented by formula (H): wherein m and n each independently represents an integer of 2 to 8; M represents a cation; and Lb represents a single bond or a substituted or unsubstituted alkylene group.
    Type: Application
    Filed: July 30, 2010
    Publication date: February 3, 2011
    Applicant: FUJIFILM CORPORATION
    Inventors: Kazuaki OGUMA, Masaaki MIKI, Junichiro HOSOKAWA
  • Patent number: 7879524
    Abstract: An image-forming method applying a heat-sensitive transfer system which uses a heat-sensitive transfer image-receiving sheet and a heat-sensitive transfer sheet, in which the heat-sensitive transfer image-receiving sheet has 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 that is disposed between the dye receptor layer and the support; and the heat-sensitive transfer sheet has 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: comprising controlling each glass transition point (Tg-A) of three heat transfer layers so that they decrease in area order; and comprising transferring at least three kinds of heat transfer dyes contained in the heat transfer layers to the dye receptor layer in order.
    Type: Grant
    Filed: March 28, 2008
    Date of Patent: February 1, 2011
    Assignee: Fujifilm Corporation
    Inventors: Shin Soejima, Kazuaki Oguma
  • Patent number: 7816064
    Abstract: An image-forming method, containing the steps of: superposing a heat-sensitive transfer sheet on a heat-sensitive transfer image-receiving sheet so that the following receptor layer can be contacted with the following thermal transfer layer; and providing thermal energy in accordance with image signals, thereby to form a thermal transfer image; in which the heat-sensitive transfer image-receiving sheet comprises, on a support, a receptor layer containing a polymer latex, and a heat insulation layer containing hollow polymer particles, and the heat-sensitive transfer sheet comprises, on a support, a thermal transfer layer containing any one of compounds represented by formulas (1) to (7): in which, one of Z1 and Z2 represents ?N— and the other represents ?C(R95)—; Z3 and Z4 each independently represents ?N— or ?C(R96)—; R51 to R114 each independently represent a substituent, or a hydrogen atom or a substituent; n8 to n18 each independently represent an integer of 0 to 5, 0 to 4 or 0 to 2.
    Type: Grant
    Filed: February 28, 2007
    Date of Patent: October 19, 2010
    Assignee: FUJIFILM Corporation
    Inventors: Kazuaki Oguma, Yoshio Ishii, Hisashi Mikoshiba, Hiroshi Takehara, Yoshihisa Tsukada
  • Publication number: 20100143616
    Abstract: A heat-sensitive transfer image-receiving sheet having a receptor layer comprising: (a) a polymer or latex polymer including a unit having ultraviolet absorbing ability, or (b) a latex polymer and a water-soluble polymer; and a method of producing the same.
    Type: Application
    Filed: July 25, 2006
    Publication date: June 10, 2010
    Applicant: FUJIFILM CORPORATION
    Inventors: Ryuji Shinohara, Hiroshi Takehara, Kazuaki Oguma, Takuya Arai, Yoshio Ishii, Yoshihisa Tsukada, Hisashi Mikoshiba
  • Publication number: 20100051184
    Abstract: A heat-sensitive transfer sheet at least having a polyester support, a barrier layer, a heat-sensitive transfer layer containing a dye and a binder, both layers being applied on a surface of the support in this order, and having the heat-sensitive transfer layer including yellow, magenta, and cyan heat-sensitive transfer layers, and the yellow, magenta, and cyan heat-sensitive transfer layers and a protective layer being formed in area order, wherein the barrier layer contains a polyvinylpyrrolidone and cyan heat-sensitive transfer layer contains at least one silicone oil and at least one dye represented by the following formula (C1): wherein Ar represents a substituted or unsubstituted p-phenylene group; R1 represents a substituted or unsubstituted alkyl group; R2 represents a substituted or unsubstituted acylamino group, or a substituted or unsubstituted alkoxycarbonylamino group; R3 and R4 each independently represent a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkenyl gr
    Type: Application
    Filed: August 27, 2009
    Publication date: March 4, 2010
    Applicant: FUJIFILM CORPORATION
    Inventors: Kazuaki OGUMA, Naotsugu MURO
  • Publication number: 20100021326
    Abstract: A method of pumping an agglomerative liquid includes providing a diaphragm pump defined herein and pumping the agglomerative liquid using the diaphragm pump, the diaphragm has an annular thickened portion in the peripheral portion thereof as defined herein, the pump head has at least one channel communicating the inner peripheral edge of the clamping surface and the pump chamber, the diaphragm is reciprocally movable in opposite directions perpendicular to the diaphragm plane to increase and decrease the volume of the pump chamber so as to pump the liquid, the thickened portion of the diaphragm, the holding member, and the pump head are configured to satisfy the relation A<B as defined herein, and the reciprocal movement of the diaphragm is from the flat state toward the pump chamber side and from the flat state toward the side opposite to the pump chamber side.
    Type: Application
    Filed: July 23, 2009
    Publication date: January 28, 2010
    Applicant: FUJIFILM Corporation
    Inventors: Kazuaki Oguma, Ryuji Abe