Patents by Inventor Chiaki Nagaike

Chiaki Nagaike 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: 8480952
    Abstract: A method of manufacturing liposome-containing preparations which contain liposomes exhibiting superior stability in vivo and high enclosure rate of a drug is disclosed, comprising mixing a supercritical or subcritical carbon dioxide, one or more liposome membrane constituents including a phospholipid exhibiting a phase transition temperature and a water-soluble chemical.
    Type: Grant
    Filed: July 22, 2005
    Date of Patent: July 9, 2013
    Assignee: Konica Minolta Medical & Graphic, Inc.
    Inventors: Chiaki Nagaike, Yasuyuki Motokui
  • Patent number: 7588751
    Abstract: A method of pereparing a rediographic contrast medium containing liposomes is disclosed, comprising (a) dissolving a phospholipid and a sterol in a supercritical or subcritical carbon dioxide in the presence of a compound containing a hydroxyl group or a polyalkyleneoxide group, (b) adding thereto an aqueous solution containing an iodine compound to form micelles and (c) discharging the carbon dioxide to form liposomal vesicles enclosing the iodine compound.
    Type: Grant
    Filed: July 13, 2005
    Date of Patent: September 15, 2009
    Assignee: Konica Minolta Medical & Graphic, Inc.
    Inventors: Eiichi Ueda, Akihisa Nakajima, Chiaki Nagaike, Yasuyuki Motokui
  • Patent number: 7147997
    Abstract: A silver salt photothermographic dry imaging material comprising a support having thereon a photosensitive layer and a polymer layer, wherein the polymer layer comprises a copolymer of: (i) a fluorine containing acrylate or a fluorine containing methacrylate; and (ii) a monomer having a hydrophobic group in the molecule.
    Type: Grant
    Filed: September 9, 2003
    Date of Patent: December 12, 2006
    Assignee: Konica Corporation
    Inventors: Akihisa Nakajima, Eiichi Ueda, Shinji Kudo, Kenji Ohnuma, Chiaki Nagaike, Miyuki Teranishi
  • Publication number: 20060034907
    Abstract: A method of manufacturing liposome-containing preparations which contain liposomes exhibiting superior stability in vivo and high enclosure rate of a drug is disclosed, comprising mixing a supercritical or subcritical carbon dioxide, one or more liposome membrane constituents including a phospholipid exhibiting a phase transition temperature and a water-soluble chemical.
    Type: Application
    Filed: July 22, 2005
    Publication date: February 16, 2006
    Applicant: KONICA MINOLTA MEDICAL & GRAPHIC, INC.
    Inventors: Chiaki Nagaike, Yasuyuki Motokui
  • Publication number: 20060018828
    Abstract: A method of pereparing a rediographic contrast medium containing liposomes is disclosed, comprising (a) dissolving a phospholipid and a sterol in a supercritical or subcritical carbon dioxide in the presence of a compound containing a hydroxyl group or a polyalkyleneoxide group, (b) adding thereto an aqueous solution containing an iodine compound to form micelles and (c) discharging the carbon dioxide to form liposomal vesicles enclosing the iodine compound.
    Type: Application
    Filed: July 13, 2005
    Publication date: January 26, 2006
    Inventors: Eiichi Ueda, Akihisa Nakajima, Chiaki Nagaike, Yasuyuki Motokui
  • Publication number: 20050084453
    Abstract: A radiographic contrast medium is disclosed, comprising a liposome which is comprised of vesicles including a water- and soluble nonionic iodine compound, and the contrast medium containing substantially no chlorinated solvent. There is also disclosed a method of preparing the radiographic contrast medium using supercritical or subcritical carbon dioxide.
    Type: Application
    Filed: April 13, 2004
    Publication date: April 21, 2005
    Applicant: Konica Minolta Medical & Graphic, Inc.
    Inventors: Eiichi Ueda, Satoshi Kawakatsu, Akihisa Nakajima, Chiaki Nagaike
  • Patent number: 6828086
    Abstract: A water-based coating composition is disclosed, comprising a latex comprising a polymer impregnated with an infared absorbing compound and a water-soluble polyester or latex comprising polymer containing an active methylene group. An infrared absorbing film and a photothermographic material by use thereof are also disclosed.
    Type: Grant
    Filed: September 18, 2002
    Date of Patent: December 7, 2004
    Assignee: Konica Corporation
    Inventors: Eiichi Ueda, Chiaki Nagaike
  • Patent number: 6783230
    Abstract: An ink-jet recording medium including a support having thereon an ink receptive layer, wherein the support includes a white-colored substrate and a blue-colored substrate laminated with each other.
    Type: Grant
    Filed: May 20, 2003
    Date of Patent: August 31, 2004
    Assignee: Konica Corporation
    Inventors: Chiaki Nagaike, Eiichi Ueda, Yuji Hosoi, Akihisa Nakajima
  • Publication number: 20040063049
    Abstract: A silver salt photothermographic dry imaging material comprising a support having thereon a photosensitive layer and a polymer layer, wherein the polymer layer comprises a copolymer of: (i) a fluorine containing acrylate or a fluorine containing methacrylate; and (ii) a monomer having a hydrophobic group in the molecule.
    Type: Application
    Filed: September 9, 2003
    Publication date: April 1, 2004
    Applicant: Konica Corporation
    Inventors: Akihisa Nakajima, Eiichi Ueda, Shinji Kudo, Kenji Ohnuma, Chiaki Nagaike, Miyuki Teranishi
  • Publication number: 20030231237
    Abstract: An ink-jet recording medium comprising a support having thereon an ink receptive layer, wherein the support comprises a white-colored substrate and a blue-colored substrate laminated with each other.
    Type: Application
    Filed: May 20, 2003
    Publication date: December 18, 2003
    Inventors: Chiaki Nagaike, Eiichi Ueda, Yuji Hosoi, Akihisa Nakajima
  • Publication number: 20030186180
    Abstract: A water-based coating composition is disclosed, comprising a latex comprising a polymer impregnated with an infared absorbing compound and a water-soluble polyester or latex comprising polyer containing an active methylene group. An infrared absorbing film and a photothermographic material by use thereof are also disclosed.
    Type: Application
    Filed: September 18, 2002
    Publication date: October 2, 2003
    Inventors: Eiichi Ueda, Chiaki Nagaike
  • Publication number: 20020098451
    Abstract: A photothermographic material is disclosed, comprising a support having thereon at least an image forming layer and a first layer on the opposite side of the support from the image forming layer, wherein the first layer contains a vinyl type polymer latex and an aqueous-dispersible polymer selected from the group consisting of an aqueous-dispersible polyester, aqueous-dispersible polyurethane and aqueous-disperible cellulose.
    Type: Application
    Filed: September 6, 2001
    Publication date: July 25, 2002
    Inventors: Tadashi Arimoto, Takayuki Sasaki, Eiichi Ueda, Akihisa Nakajima, Chiaki Nagaike
  • Patent number: 6280917
    Abstract: A latex comprising a polymer having an ethylenically unsaturated monomer unit containing an active methylene group and an ethylenically unsaturated monomer unit selected from methacrylic acid ester, acrylic acid ester, maleic acid ester and diene derivative, wherein said polymer is produced in the presence of a water soluble polymer through emulsion polymerization.
    Type: Grant
    Filed: May 20, 1999
    Date of Patent: August 28, 2001
    Assignee: Konica Corporation
    Inventors: Eiichi Ueda, Nobuo Kubo, Chiaki Nagaike, Yasuo Kurachi
  • Patent number: 6239207
    Abstract: A latex is prepared by polymerizing a polymerizable monomer having an active methylene group in the presence of a hydrophilic polymer. The hydrophilic polymer comprises an isoprene sulfonic acid or salts thereof as a monomer unit. A sheet material is prepared having a support with a hydrophilic layer containing the latex thereon.
    Type: Grant
    Filed: November 10, 1998
    Date of Patent: May 29, 2001
    Assignee: Konica Corporation
    Inventors: Chiaki Nagaike, Eiichi Ueda, Nobuo Kubo
  • Patent number: 6224988
    Abstract: An adhesive composition is disclosed, comprising an ethylenic copolymer comprising a repeating unit derived from an ethylenically unsaturated monomer containing an active methylene group and at least a repeating unit derived from an ethylenically unsaturated monomer, and a copolyester containing, as a copolymerizing component, a repeating unit derived from a dicarboxylic acid containing a sulfonate group or a repeating unit derived from a diol containing a sulfonate group.
    Type: Grant
    Filed: July 9, 1999
    Date of Patent: May 1, 2001
    Assignee: Konica Corporation
    Inventors: Eiichi Ueda, Akihisa Nakajima, Nobuo Kubo, Chiaki Nagaike, Yasuo Kurachi