Patents by Inventor Chieko Mihara

Chieko Mihara 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: 6830613
    Abstract: A biodegradable sugar-inorganic hybrid composite comprising a sugar or a sugar derivative uniformly dispersed in a matrix of an inorganic oxide, of which degradation products are suitable for recycling use.
    Type: Grant
    Filed: December 24, 2003
    Date of Patent: December 14, 2004
    Assignee: Canon Kabushiki Kaisha
    Inventors: Chieko Mihara, Toyoko Kobayashi, Hiroyoshi Kishi, Toshihiko Takeda, Yoshihiko Kikuchi
  • Patent number: 6793992
    Abstract: A cushioning molded product is provided which is produced by binding a vegetable fiber with a copolymer of a saccharide and an aliphatic dicarboxylic acid to conduct molding. Further a process is provided for producing a cushioning molded product from a copolymer of a saccharide and an aliphatic dicarboxylic acid, and a vegetable fiber, the process comprising (a) mixing or adhering the copolymer and the vegetable fiber, and (b) molding the resulting mixture into an intended shape by heating the mixture to bind the vegetable fiber with the copolymer.
    Type: Grant
    Filed: July 9, 2002
    Date of Patent: September 21, 2004
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yoshihiko Kikuchi, Chieko Mihara
  • Publication number: 20040134384
    Abstract: A biodegradable sugar-inorganic hybrid composite comprising a sugar or a sugar derivative uniformly dispersed in a matrix of an inorganic oxide, of which degradation products are suitable for recycling use.
    Type: Application
    Filed: December 24, 2003
    Publication date: July 15, 2004
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Chieko Mihara, Toyoko Kobayashi, Hiroyoshi Kishi, Toshihiko Takeda, Yoshihiko Kikuchi
  • Publication number: 20040081906
    Abstract: A polyhydroxyalkanoate comprises a unit of formula (1): —(O—CH((CH2)mSASO2R)CH2C(═O))— wherein R is selected from the group consisting of OH, a halogen atom, ONa, OK, OCH3 and OC2H5; A represents a substituted or unsubstituted aliphatic hydrocarbon structure; m is an integer number selected from 1 to 8; and in the case where a plurality of units exist in the same molecule, R, A and m in one unit can be different from them in another unit respectively.
    Type: Application
    Filed: February 19, 2003
    Publication date: April 29, 2004
    Inventors: Takashi Kenmoku, Etsuko Sugawa, Tetsuya Yano, Chieko Mihara, Takeshi Imamura, Tatsuki Fukui
  • Publication number: 20040005290
    Abstract: Provided is a polyhydroxyalkanoate containing in a molecule thereof one or more units each selected from the group consisting of the following formulae (1), (2), (3) and (4): 1
    Type: Application
    Filed: February 27, 2003
    Publication date: January 8, 2004
    Inventors: Tatsuki Fukui, Etsuko Sugawa, Tetsuya Yano, Chieko Mihara, Takeshi Imamura, Takashi Kenmoku
  • Publication number: 20030225213
    Abstract: A novel resin is provided which is renewable with less energy. A process for renewing the resin is also provided.
    Type: Application
    Filed: May 22, 2003
    Publication date: December 4, 2003
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Hiroshi Maehara, Chieko Mihara, Yoshihiko Kikuchi
  • Publication number: 20030011105
    Abstract: A cushioning molded product is provided which is produced by binding a vegetable fiber with a copolymer of a saccharide and an aliphatic dicarboxylic acid to conduct molding. Further a process is provided for producing a cushioning molded product from a copolymer of a saccharide and an aliphatic dicarboxylic acid, and a vegetable fiber, the process comprising (a) mixing or adhering the copolymer and the vegetable fiber, and (b) molding the resulting mixture into an intended shape by heating the mixture to bind the vegetable fiber with the copolymer.
    Type: Application
    Filed: July 9, 2002
    Publication date: January 16, 2003
    Inventors: Yoshihiko Kikuchi, Chieko Mihara
  • Publication number: 20030005857
    Abstract: The present invention relates to a cellulose derivative having biodegradability, recycling properties, excellent mechanical strength and mold processability. The cellulose derivative is a product of a monosaccharide derivative or oligosaccharide derivative and cellulose. The monosaccharide derivative or oligosaccharide derivative is a copolymer of a saccharide and dicarboxylic acid.
    Type: Application
    Filed: August 20, 2002
    Publication date: January 9, 2003
    Inventors: Masato Minami, Chieko Mihara, Toshihiko Takeda, Yoshihiko Kikuchi
  • Patent number: 6468668
    Abstract: The present invention relates to a cellulose derivative having biodegradability, recycling properties, excellent mechanical strength and mold processability. The cellulose derivative is a product of a monosaccharide derivative or oligosaccharide derivative and cellulose. The monosaccharide derivative or oligosaccharide derivative is a copolymer of a saccharide and dicarboxylic acid.
    Type: Grant
    Filed: September 13, 1999
    Date of Patent: October 22, 2002
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masato Minami, Chieko Mihara, Toshihiko Takeda, Yoshihiko Kikuchi
  • Publication number: 20020132918
    Abstract: The present invention is an enzyme-decomposable polymer compound having recyclable decomposition products. The polymeric compound is a glycopolymer of a saccharide having only glucopyranose rings and a second component. In addition, the glycopolymer may contain molecular chains having at least one type of repeating unit, which chains are crosslinked by a saccharide having only glucopyranose rings.
    Type: Application
    Filed: November 13, 2001
    Publication date: September 19, 2002
    Inventors: Hiroyoshi Kishi, Toyoko Kobayashi, Kiyoshi Sakai, Norio Kaneko, Kazumi Tanaka, Chieko Mihara, Toshihiko Takeda, Yoshihiko Kikuchi
  • Publication number: 20020023570
    Abstract: A biodegradable sugar-inorganic hybrid composite comprising a sugar or a sugar derivative uniformly dispersed in a matrix of an inorganic oxide, of which degradation products are suitable for recycling use.
    Type: Application
    Filed: April 3, 2001
    Publication date: February 28, 2002
    Inventors: Chieko Mihara, Toyoko Kobayashi, Hiroyoshi Kishi, Toshihiko Takeda, Yoshihiko Kikuchi
  • Patent number: 6316606
    Abstract: The present invention is an enzyme-decomposable polymer compound having recyclable decomposition products. The polymeric compound is a glycopolymer of a saccharide having only glucopyranose rings and a second component. In addition, the glycopolymer may contain molecular chains having at least one type of repeating unit, which chains are crosslinked by a saccharide having only glucopyranose rings.
    Type: Grant
    Filed: June 18, 1997
    Date of Patent: November 13, 2001
    Assignee: Canon Kabusiki Kaisha
    Inventors: Hiroyoshi Kishi, Toyoko Kobayashi, Kiyoshi Sakai, Norio Kaneko, Kazumi Tanaka, Chieko Mihara, Toshihiko Takeda, Yoshihiko Kikuchi
  • Patent number: 6252027
    Abstract: The invention provides a thermally formed article having biodegradability, recycling ability and thermoplasticity. The thermally formed article comprises a sugar polymer represented by the following general formula wherein G is a residue of a monosaccharide, oligosaccharide or polysaccharide, R is a linear or branched alkylene group having at least 4 carbon atoms when G is the residue of the monosaccharide, or a linear or branched alkylene group having at least 6 carbon atoms when G is the residue of the oligosaccharide or polysaccharide, and n is an integer of 1 to 5,000.
    Type: Grant
    Filed: September 13, 1999
    Date of Patent: June 26, 2001
    Assignee: Canon Kabushiki Kaisha
    Inventors: Chieko Mihara, Toshihiko Takeda, Yoshihiko Kikuchi, Masato Minami
  • Patent number: 5962305
    Abstract: A novel microbial strain JMC1 (FERM BP-5960) that it is a mutant strain derived from JM1 (FERM BP-5352) constitutively expressing oxygenase, and a method for biodegrading aromatic compounds and chlorinated organic compounds by using strain JMC1 as well as a method for environmental remediation which comprises a step of biodegrading contaminant in the environment by using strain JMC1. Aromatic compounds and/or chlorinated aliphatic hydrocarbon compounds contained in the environment can be removed at a low temperature by using the novel strain JMC1 without using any inducer substances.
    Type: Grant
    Filed: July 31, 1997
    Date of Patent: October 5, 1999
    Assignee: Canon Kabushiki Kaisha
    Inventors: Chieko Mihara, Tetsuya Yano, Shinya Kozaki, Takeshi Imamura
  • Patent number: 5854059
    Abstract: An organic compound is biodegraded using JM1 (FERM BP-5352) by contacting the JM1 with an organic compound and culturing the JM1 in a medium including source of conjugated carbon which is citric acid, maleic acid or a salt thereof.
    Type: Grant
    Filed: April 10, 1997
    Date of Patent: December 29, 1998
    Assignee: Canon Kabushiki Kaisha
    Inventors: Shinya Kozaki, Tetsuya Yano, Chieko Mihara, Takeshi Imamura
  • Patent number: 5753003
    Abstract: A method for biologically remedying polluted soil characterized in that pollutant-degrading microorganisms and an agent which accelerates the formation of aggregated structure of soil are fed to the polluted soil.
    Type: Grant
    Filed: June 13, 1997
    Date of Patent: May 19, 1998
    Assignee: Canon Kabushiki Kaisha
    Inventors: Etsuko Sugawa, Masanori Sakuranaga, Chieko Mihara
  • Patent number: 5605732
    Abstract: An aminium salt compound has the structure expressed by the following formula (I) or (II), and an optical recording layer has a recording layer containing the aminium salt compound. ##STR1## wherein X.sup.- indicates a monovalent metal complex anion; and R.sub.1 through R.sub.8 each indicate a hydrogen atom or a monovalent organic residue, and at least one of R.sub.1 through R.sub.8 is a monovalent organic residue selected from the group consisting of a substituted or unsubstituted alkoxyalkyl group, substituted or unsubstituted alkenyl group, substituted or unsubstituted alkynyl group and substituted or unsubstituted aralkyl group; and n is 1 or 2; and ##STR2## wherein X.sup.- indicates a monovalent metal complex anion; and R.sub.1 ' through R.sub.8 ' indicate the atoms that, when taken together in combination R.sub.m ' and R.sub.
    Type: Grant
    Filed: December 29, 1992
    Date of Patent: February 25, 1997
    Assignee: Canon Kabushiki Kaisha
    Inventors: Chieko Mihara, Hiroyuki Sugata, Tsuyoshi Santoh
  • Patent number: 5492792
    Abstract: An optical recording medium of the present invention has a recording layer containing an organic coloring matter expressed by the following formula (I) or (II): ##STR1## wherein R.sub.0 through R.sub.5 each indicate a hydrogen atom or an monovalent organic residue, at least one of R.sub.0 through R.sub.3 being a fluorine-containing monovalent organic residue; m indicates 0, 1 or 2; and X.sup..crclbar. indicates an anion residue. ##STR2## wherein X.sup..crclbar. indicates an anion residue; m indicates 0, 1 or 2; and R.sub.0' and R.sub.3' are atoms forming combinations of R.sub.0' and R.sub.1', and R.sub.2', and R.sub.
    Type: Grant
    Filed: May 10, 1993
    Date of Patent: February 20, 1996
    Assignee: Canon Kabushiki Kaisha
    Inventors: Miki Tamura, Tsuyoshi Santoh, Chieko Mihara
  • Patent number: 5482822
    Abstract: An infrared-absorptive compound is disclosed which has the structure represented by the following formula (I) or (II) ##STR1## Also, an optical recording medium having a recording layer containing the infrared-absorptive compound is disclosed.
    Type: Grant
    Filed: May 11, 1993
    Date of Patent: January 9, 1996
    Assignee: Canon Kabushiki Kaisha
    Inventors: Chieko Mihara, Hiroyuki Sugata, Tsuyoshi Santo, Miki Tamura
  • Patent number: 5480596
    Abstract: An apparatus and method for producing an optical recording medium or an optical recording medium substrate sheet forms an photo-curable resin layer on at least one of a substrate sheet and a stamper which undergoes elastic deformation. The stamper bears a pattern corresponding with preformatting information and is brought into close contact with the substrate sheet wherein the photo-curable resin layer is interposed between them and cured.
    Type: Grant
    Filed: November 21, 1994
    Date of Patent: January 2, 1996
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yukitoshi Okubo, Tsuyoshi Santoh, Miki Tamura, Chieko Mihara, Hiroyuki Sugata, Osamu Kanome, Masataka Yashima