Patents by Inventor Tomoko Kuwabara

Tomoko Kuwabara 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: 8511812
    Abstract: The invention provides an aqueous ink composition including (A) a colorant, (B) a polymer including a hydrophobic structural unit represented by Formula (1) below, (C) a polymerization initiator, (D) a polymerizable compound including an ethylenically unsaturated bond, and (E) water.
    Type: Grant
    Filed: October 25, 2010
    Date of Patent: August 20, 2013
    Assignee: FUJIFILM Corporation
    Inventors: Tomoko Kuwabara, Yasufumi Ooishi
  • Patent number: 8449097
    Abstract: An aqueous pigment dispersion including: (A) a pigment; (B) a dispersion polymer having a neutralization degree of from 50% to 90% and a solubility of from 0.2 g to 0.8 g per 5 ml of water (25° C.), and containing an acidic group and a hydrophobic structural unit (a) having an aromatic ring linked via a linking group to an atom included in a main chain, a content ratio of the aromatic ring being from 10% by mass to less than 20% by mass based on a total mass of the polymer; and (C) a water-based liquid medium.
    Type: Grant
    Filed: September 24, 2010
    Date of Patent: May 28, 2013
    Assignee: FUJIFILM Corporation
    Inventors: Naoko Nishimura, Misato Sasada, Tomoko Kuwabara
  • Patent number: 8394798
    Abstract: The present invention provides compositions and methods for inducing neuronal cell differentiation.
    Type: Grant
    Filed: January 23, 2012
    Date of Patent: March 12, 2013
    Assignee: The Scripps Research Institute
    Inventors: Masaki Warashina, Kyung Hoon Min, Fred Gage, Peter Schultz, Sheng Ding, Tomoko Kuwabara
  • Patent number: 8292418
    Abstract: The invention provides an aqueous ink composition including: a) a water-based medium; b) a compound having an ethylenically unsaturated bond; and c) resin particles including a water-insoluble vinyl polymer and a water-insoluble photoinitiator.
    Type: Grant
    Filed: September 1, 2010
    Date of Patent: October 23, 2012
    Assignee: FUJIFILM Corporation
    Inventors: Takahiro Kato, Takahiro Ishizuka, Tomoko Kuwabara, Yasufumi Ooishi
  • Patent number: 8287114
    Abstract: An aqueous ink composition including a colorant, a polymer including a hydrophobic structural unit (a) represented by the following formula (1), a polymerization initiator, a polymerizable compound including an ethylenically unsaturated bond, and water: wherein, in formula (1), R1 represents a hydrogen atom, a methyl group or a halogen atom; L1 represents —COO—, —OCO—, —CONR2—, —O—, or a substituted or unsubstituted phenylene group; R2 represents a hydrogen atom or an alkyl group having 1 to 10 carbon atoms; L2 represents a single bond or a divalent linking group having 1 to 30 carbon atoms; and R3 represents a hydrogen atom, a hydroxy group, an alkyl group, an alkyloxy group, an aryl group, an arylalkyl group, an aryloxy group, an acyl group, a halogen atom, a cyano group, or a nitro group.
    Type: Grant
    Filed: September 2, 2010
    Date of Patent: October 16, 2012
    Assignee: FUJIFILM Corporation
    Inventors: Tomoko Kuwabara, Takahiro Ishizuka, Yasufumi Ooishi
  • Publication number: 20120157457
    Abstract: The present invention provides compositions and methods for inducing neuronal cell differentiation.
    Type: Application
    Filed: January 23, 2012
    Publication date: June 21, 2012
    Applicants: The Salk Institute for Biological Studies, The Scripps Research Institute
    Inventors: Masaki Warashina, Kyung Hoon Min, Fred Gage, Peter G. Schultz, Sheng Ding, Tomoko Kuwabara
  • Patent number: 8105581
    Abstract: The present invention provides compositions and methods for inducing neuronal cell differentiation.
    Type: Grant
    Filed: December 1, 2006
    Date of Patent: January 31, 2012
    Assignees: The Scripps Research Institute, Salk Institute for Biological Studies
    Inventors: Masaki Warashina, Kyung Hoon Min, Fred Gage, Peter G. Schultz, Sheng Ding, Tomoko Kuwabara
  • Patent number: 8092992
    Abstract: The invention provides a method for modulating gene expression by contacting a cellular system with a double-stranded ribonucleic acid molecule capable of associating with a regulatory machinery that controls transcription of one or more genes, wherein the association results in altered expression of the one or more genes. The invention is further directed to method for directing the differentiation of neuronal stem cells into neurons by contacting a cellular system with a double-stranded ribonucleic acid molecule capable of associating with a regulatory machinery that controls transcription of one or more genes involved in neuronal differentiation and directing the transcription of the one or more genes. In related embodiments, the invention provides particular compositions of double-stranded ribonucleic acid molecules as well as therapeutic and screening applications of the invention.
    Type: Grant
    Filed: May 28, 2004
    Date of Patent: January 10, 2012
    Assignee: Salk Institute for Biological Studies
    Inventors: Tomoko Kuwabara, Fred H. Gage
  • Patent number: 8026357
    Abstract: A cellulose acylate film, comprising a cellulose acylate having at least one substituent (Substituent A) comprising an aromatic group having at least one C4 or longer aliphatic group, is disclosed.
    Type: Grant
    Filed: October 29, 2008
    Date of Patent: September 27, 2011
    Assignee: FUJIFILM Corporation
    Inventors: Tomoko Kuwabara, Kunihiro Atsumi
  • Publication number: 20110227990
    Abstract: A method of manufacturing composite particles is disclosed. The method includes preparing an aqueous dispersion of a polymer (a) by a phase inversion emulsification method, using water and a solution of the polymer (a), the polymer (a) containing at least one anionic structural unit and at least one hydrophobic structural unit; and forming composite particles through seed polymerization using at least one crosslinking monomer (b) in the presence of the aqueous dispersion of the polymer (a). Further, composite particles, an aqueous ink composition and an image forming method using the aqueous ink composition are disclosed.
    Type: Application
    Filed: March 8, 2011
    Publication date: September 22, 2011
    Applicant: FUJIFILM CORPORATION
    Inventors: Tomoko KUWABARA, Terukazu YANAGI, Akio TAMURA
  • Publication number: 20110109708
    Abstract: The invention provides an aqueous ink composition comprising (A) a colorant, (B) a polymer including a hydrophobic structural unit represented by Formula (1) below, (C) a polymerization initiator, (D) a polymerizable compound including an ethylenically unsaturated bond, and (E) water.
    Type: Application
    Filed: October 25, 2010
    Publication date: May 12, 2011
    Applicant: FUJIFILM CORPORATION
    Inventors: Tomoko KUWABARA, Yasufumi OOISHI
  • Publication number: 20110074867
    Abstract: An aqueous pigment dispersion including: (A) a pigment; (B) a dispersion polymer having a neutralization degree of from 50% to 90% and a solubility of from 0.2 g to 0.8 g per 5 ml of water (25° C.), and containing an acidic group and a hydrophobic structural unit (a) having an aromatic ring linked via a linking group to an atom included in a main chain, a content ratio of the aromatic ring being from 10% by mass to less than 20% by mass based on a total mass of the polymer; and (C) a water-based liquid medium.
    Type: Application
    Filed: September 24, 2010
    Publication date: March 31, 2011
    Applicant: FUJIFILM CORPORATION
    Inventors: Naoko NISHIMURA, Misato SASADA, Tomoko KUWABARA
  • Publication number: 20110065213
    Abstract: An object of the present invention is to provide latex particles with high production reproducibility, by which a sufficiently high value of signal ?S (=value of signal?value of noise) can be realized in immunodiagnosis.
    Type: Application
    Filed: September 10, 2010
    Publication date: March 17, 2011
    Inventors: Noriyuki KASAGI, Tomoko Kuwabara, Yuya Watanabe
  • Publication number: 20110057983
    Abstract: The invention provides an aqueous ink composition including: a) a water-based medium; b) a compound having an ethylenically unsaturated bond; and c) resin particles including a water-insoluble vinyl polymer and a water-insoluble photoinitiator.
    Type: Application
    Filed: September 1, 2010
    Publication date: March 10, 2011
    Applicant: FUJIFILM CORPORATION
    Inventors: Takahiro KATO, Takahiro ISHIZUKA, Tomoko KUWABARA, Yasufumi OOISHI
  • Publication number: 20110057984
    Abstract: An aqueous ink composition including a colorant, a polymer including a hydrophobic structural unit (a) represented by the following formula (1), a polymerization initiator, a polymerizable compound including an ethylenically unsaturated bond, and water: wherein, in formula (1), R1 represents a hydrogen atom, a methyl group or a halogen atom; L1 represents —COO—, —OCO—, —CONR2—, —O—, or a substituted or unsubstituted phenylene group; R2 represents a hydrogen atom or an alkyl group having 1 to 10 carbon atoms; L2 represents a single bond or a divalent linking group having 1 to 30 carbon atoms; and R3 represents a hydrogen atom, a hydroxy group, an alkyl group, an alkyloxy group, an aryl group, an arylalkyl group, an aryloxy group, an acyl group, a halogen atom, a cyano group, or a nitro group.
    Type: Application
    Filed: September 2, 2010
    Publication date: March 10, 2011
    Applicant: FUJIFILM CORPORATION
    Inventors: Tomoko KUWABARA, Takahiro ISHIZUKA, Yasufumi OOISHI
  • Publication number: 20110046275
    Abstract: An aqueous colorant dispersion includes a colorant (A), a polymer (B) having an acid value of 85 mgKOH/g or higher, and an aqueous liquid medium (I), wherein the polymer (B) is a copolymer including at least one hydrophobic structural unit (a) which contains an aromatic ring linked to an atom in the main chain of the polymer (B) via a linking group, and comprising at least one hydrophilic structural unit (b) at a content of from 12% by mass to 20% by mass relative to the entire mass of the polymer (B), wherein the content of the aromatic ring is from 10% by mass to less than 21% by mass relative to the entire mass of the polymer (B).
    Type: Application
    Filed: August 18, 2010
    Publication date: February 24, 2011
    Applicant: FUJIFILM CORPORATION
    Inventors: Tomoko KUWABARA, Naoko NISHIMURA, Naoya SHIBATA
  • Publication number: 20100166710
    Abstract: The present invention provides compositions and methods for inducing neuronal cell differentiation.
    Type: Application
    Filed: December 1, 2006
    Publication date: July 1, 2010
    Applicants: The Scripps Research Institute, The Salk Institute for Biological Studies
    Inventors: Masaki Warashina, Kyung Hoon Min, Fred Gage, Peter G. Schultz, Sheng Ding, Tomoko Kuwabara
  • Publication number: 20090247739
    Abstract: A cellulosic substance composition includes: a cellulosic substance having a branched structure or cyclic structure-containing aliphatic acyl group (A) having from 4 to 30 carbon atoms, the aliphatic acyl group (A) being represented by formula (1): wherein R11, R12 and R13 each independently represents a hydrogen atom or an alkyl group, provided that at least two of R11, R12 and R13 are an alkyl group; R11, R12 and R13 may each independently have a substituent; at least two of R11, R12 and R13 may be connected to each other to form a ring; and a portion of * represents a bond to a cellulose skeleton of the cellulosic substance.
    Type: Application
    Filed: March 26, 2009
    Publication date: October 1, 2009
    Applicant: FUJIFILM Corporation
    Inventors: Yutaka Nozoe, Tomoko Kuwabara, Kunihiro Atsumi
  • Publication number: 20090111981
    Abstract: A cellulose acylate film, comprising a cellulose acylate having at least one substituent (Substituent A) comprising an aromatic group having at least one C4 or longer aliphatic group, is disclosed.
    Type: Application
    Filed: October 29, 2008
    Publication date: April 30, 2009
    Applicant: FUJIFILM Corporation
    Inventors: Tomoko Kuwabara, Kunihiro Atsumi
  • Publication number: 20090082557
    Abstract: A novel cellulose acylate film is disclosed. The film is formed of a composition comprising at least one cellulose acylate having an aromatic group-containing acyl group (Substituent A), in which a substitution degree with Substituent A satisfies following relational expressions (I) and (II): ?0.25?SA2+DSA3?DSA6?0.20, ??(I) 0.35?DSA2+DSA3+DSA6, ??(II) wherein DSA2, DSA3 and DSA6 each indicate a substitution degree with Substituent A at the 2-, 3- and 6-positions of the cellulose acylate.
    Type: Application
    Filed: September 19, 2008
    Publication date: March 26, 2009
    Applicant: FUJIFILM Corporation
    Inventors: Tomoko KUWABARA, Kunihiro ATSUMI