Patents by Inventor Kaori Matoishi
Kaori Matoishi 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).
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Publication number: 20230265527Abstract: A polynucleotide of any one of the following: (1a) a polynucleotide including a base sequence of not less than 15 consecutive bases in base sequence A of any one of SEQ ID NO:1 to SEQ ID NO:9; (1b) a polynucleotide that hybridizes with a polynucleotide including the base sequence complementary to base sequence A, under stringent conditions: (1c) a polynucleotide including a base sequence having a sequence identity of not less than 80% to base sequence A; or (1d) a polynucleotide including a base sequence that is the same as base sequence A except that one or several bases are deleted, substituted, inserted, and/or added.Type: ApplicationFiled: July 27, 2021Publication date: August 24, 2023Applicant: MITSUI CHEMICALS, INC.Inventor: Kaori MATOISHI
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Patent number: 9534112Abstract: A molded article formed of a composition including 100 parts by weight of at least one kind of resin selected from the group consisting of thermoplastic resins and thermosetting resins, and 0.01 parts by weight to 10,000 parts by weight of a silylated polyolefin, which is obtained by a reaction between a silicon-containing compound containing a structural unit represented by Formula (1) and a vinyl group-containing compound having a defined number average molecular weight, a derivative thereof, or a mixture of these, —Si(R1)H—Y1—??(1) wherein R1 and Y1 are defined and with the proviso that the silylated polyolefin is not obtained by a reaction between a silicon-containing compound containing a structural unit represented by Formula (1) and having two or more SH groups per molecule and a compound having 2.0 or more vinyl groups on average per molecule as the vinyl group-containing compound.Type: GrantFiled: January 18, 2012Date of Patent: January 3, 2017Assignee: MITSUI CHEMICALS, INC.Inventors: Kaori Matoishi, Takuma Yano, Hiromasa Marubayashi, Naoki Tomoshige, Naoshi Nagai, Tamotsu Harada, Kuniaki Kawabe
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Patent number: 9150422Abstract: Disclosed is a porous metal oxide obtained by subjecting metal alkoxide and/or a partially hydrolyzed condensate of the metal alkoxide to a sol-gel reaction in the presence of terminally branched copolymer particles represented by the following general formula (1) and having a number average molecular weight of not more than 2.5×104 to obtain an organic-inorganic composite and removing the terminally branched copolymer particles from the composite.Type: GrantFiled: March 12, 2010Date of Patent: October 6, 2015Assignee: Mitsui Chemicals, Inc.Inventors: Norio Nakayama, Toshihiko Takaki, Haruhiko Fukumoto, Kaori Matoishi, Shiro Nakatsuka, Naoshi Nagai, Eiichi Takahashi, Yukiko Enomoto
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Publication number: 20140018514Abstract: Glycolic acid having a high purity is obtained by subjecting glycolic acid or a glycolic acid solution containing contaminants to double-chamber electrodialysis combined with one or more treatments selected from among treatment with an activated carbon, treatment with an ion exchange resin, concentration treatment and cooling crystallization.Type: ApplicationFiled: July 22, 2013Publication date: January 16, 2014Applicant: Mitsui Chemicals, Inc.Inventors: Shinya OKAZAKI, Kaori Matoishi, Kiyoshi Itou
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Publication number: 20130344273Abstract: A molded article formed of a composition including 100 parts by weight of at least one kind of resin selected from the group consisting of thermoplastic resins and thermosetting resins, and 0.01 parts by weight to 10,000 parts by weight of a silylated polyolefin, which is obtained by a reaction between a silicon-containing compound containing a structural unit represented by Formula (1) and a vinyl group-containing compound having a defined number average molecular weight, a derivative thereof, or a mixture of these, —Si(R1)H—Y1—??(1) wherein R1 and Y1 are defined and with the proviso that the silylated polyolefin is not obtained by a reaction between a silicon-containing compound containing a structural unit represented by Formula (1) and having two or more SH groups per molecule and a compound having 2.0 or more vinyl groups on average per molecule as the vinyl group-containing compound.Type: ApplicationFiled: January 18, 2012Publication date: December 26, 2013Applicant: Mitsui Chemicals, Inc.Inventors: Kaori Matoishi, Takuma Yano, Hiromasa Marubayashi, Naoki Tomoshige, Naoshi Nagai, Tamotsu Harada, Kuniaki Kawabe
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Patent number: 8519185Abstract: Glycolic acid having a high purity is obtained by subjecting glycolic acid or a glycolic acid solution containing contaminants to double-chamber electrodialysis combined with one or more treatments selected from among treatment with an activated carbon, treatment with an ion exchange resin, concentration treatment and cooling crystallization.Type: GrantFiled: October 26, 2006Date of Patent: August 27, 2013Assignee: Mitsui Chemicals, Inc.Inventors: Shinya Okazaki, Kaori Matoishi, Kiyoshi Itou
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Publication number: 20110318249Abstract: Disclosed is a porous metal oxide obtained by subjecting metal alkoxide and/or a partially hydrolyzed condensate of the metal alkoxide to a sol-gel reaction in the presence of terminally branched copolymer particles represented by the following general formula (1) and having a number average molecular weight of not more than 2.Type: ApplicationFiled: March 12, 2010Publication date: December 29, 2011Applicant: MITSUI CHEMICALS, INC.Inventors: Norio Nakayama, Toshihiko Takaki, Haruhiko Fukumoto, Kaori Matoishi, Shiro Nakatsuka, Naoshi Nagai, Eiichi Takahashi, Yukiko Enomoto
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Publication number: 20110118361Abstract: Provided are polymer particles composed of a terminally branched copolymer represented by the following general formula (1) and having a number average molecular weight of not more than 2.5×104, wherein, in the formula, A represents a polyolefin chain; R1 and R2 each represent a hydrogen atom or an alkyl group having 1 to 18 carbon atoms, and at least one of R1 and R2 is a hydrogen atom; and X1 and X2 may be the same or different, and each a linear or branched polyalkylene glycol group.Type: ApplicationFiled: January 6, 2009Publication date: May 19, 2011Applicant: MITSUI CHEMICALS, INC.Inventors: Kaori Matoishi, Shiro Nakatsuka, Naoshi Nagai, Toshihiko Takaki, Haruhiko Fukumoto, Norio Nakayama
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Publication number: 20100074083Abstract: Provided are a resin composition comprising 100 parts by mass of the polymer having an alicyclic structure at least in a part of a repeating structural unit and 0.05 to 5 parts by mass of a hindered amine compound having a carbon atom at a ratio of from 67% by weight to 80% by weight in the molecular structure and having a molecular weight of from 500 to 3500, a novel piperidine derivative having a piperidylaminotriazine skeleton, a molded product such as an optical component obtained by molding the resin composition, and an optical pickup device which employs the optical component.Type: ApplicationFiled: October 11, 2007Publication date: March 25, 2010Applicant: MITSUI CHEMICALS, INC.Inventors: Atsushi Shibuya, Yukihiro Kumamoto, Masaru Wada, Shota Abe, Yuji Terado, Naruyoshi Mita, Kaori Matoishi
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Publication number: 20100022740Abstract: Glycolic acid having a high purity is obtained by subjecting glycolic acid or a glycolic acid solution containing contaminants to double-chamber electrodialysis combined with one or more treatments selected from among treatment with an activated carbon, treatment with an ion exchange resin, concentration treatment and cooling crystallization.Type: ApplicationFiled: October 26, 2006Publication date: January 28, 2010Applicant: Mitsui Chemicals, Inc.Inventors: Shinya Okazaki, Kaori Matoishi, Kiyoshi Itou
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Patent number: 7629457Abstract: The invention provides a method for producing a cytosine nucleoside compound from pentose-1-phosphate and cytosine or a derivative thereof using a nucleoside phosphorylase reactive to cytosine or a bacterium having the enzyme activity. The invention also provides a method for specifically reducing an activity to degrade the substrates or the product, resulting in efficient production of the cytosine nucleoside compound. According to the invention, little by-product is produced in producing cytonucleocide compounds.Type: GrantFiled: October 19, 2004Date of Patent: December 8, 2009Assignee: Mitsui Chemicals, Inc.Inventors: Tadashi Araki, Ichirou Ikeda, Kaori Matoishi, Reiko Abe, Toshihiro Oikawa, Yasuko Matsuba, Hiroki Ishibashi, Kiyoteru Nagahara, Yasushi Fukuiri
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Patent number: 7595184Abstract: The amino acid sequence of a mutant which is obtained by introducing a novel mutation into a Pseudonocardia thermophila JCM3095-derived nitrile hydratase consisting of two types of heterogeneous subunits, and the base sequence of the gene are provided. The nitrile hydratase is modified by specifying the region to be modified in the stereostructure/amino acid sequence of the nitrile hydratase, and applying alteration such as substitution, insertion, deletion or the like, to the amino acids in the amino acid sequence which are corresponding to the amino acid residues forming the region. Also provided is a method for modifying an enzyme having a nitrile hydratase activity.Type: GrantFiled: December 15, 2003Date of Patent: September 29, 2009Assignee: Mitsui Chemicals, Inc.Inventors: Toshifumi Yamaki, Shinichi Banba, Kaori Matoishi, Kiyoshi Ito, Hideki Kobayashi, Eishi Tanaka, Toshihiro Oikawa
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Publication number: 20070009985Abstract: The amino acid sequence of a mutant which is obtained by introducing a novel mutation into a Pseudonocardia thermophila JCM3095-derived nitrile hydratase consisting of two types of heterogeneous subunits, and the base sequence of the gene are provided. The nitrile hydratase is modified by specifying the region to be modified in the stereostructure/amino acid sequence of the nitrile hydratase, and applying alteration such as substitution, insertion, deletion or the like, to the amino acids in the amino acid sequence which are corresponding to the amino acid residues forming the region. Also provided is a method for modifying an enzyme having a nitrile hydratase activity.Type: ApplicationFiled: December 15, 2003Publication date: January 11, 2007Applicant: Mitsui Chemicals, Inc.Inventors: Toshifumi Yamaki, Shinichi Banba, Kaori Matoishi, Kiyoshi Ito, Hideki Kobayashi, Eishi Tanaka, Toshihiro Oikawa
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Publication number: 20050233420Abstract: The invention provides a method for producing a cytosine nucleoside compound from pentose-1-phosphate and cytosine or a derivative thereof using a nucleoside phosphorylase reactive to cytosine or a bacterium having the enzyme activity. The invention also provides a method for specifically reducing an activity to degrade the substrates or the product, resulting in efficient production of the cytosine nucleoside compound. According to the invention, little by-product is produced in producing cytonucleocide compounds.Type: ApplicationFiled: October 19, 2004Publication date: October 20, 2005Applicant: Mitsui Chemicals, Inc.Inventors: Tadashi Araki, Ichirou Ikeda, Kaori Matoishi, Reiko Abe, Toshihiro Oikawa, Yasuko Matsuba, Hiroki Ishibashi, Kiyoteru Nagahara, Yasushi Fukuiri
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Patent number: 6858721Abstract: The invention provides a method for producing a cytosine nucleoside compound from pentose-1-phosphate and cytosine or a derivative thereof using a nucleoside phosphorylase reactive to cytosine or a bacterium having the enzyme activity. The invention also provides a method for specifically reducing an activity to degrade the substrates or the product, resulting in efficient production of the cytosine nucleoside compound. According to the invention, little by-product is produced in producing cytonucleocide compounds.Type: GrantFiled: April 30, 2002Date of Patent: February 22, 2005Assignee: Mitsui Chemicals, Inc.Inventors: Tadashi Araki, Ichirou Ikeda, Kaori Matoishi, Reiko Abe, Toshihiro Oikawa, Yasuko Matsuba, Hiroki Ishibashi, Kiyoteru Nagahara, Yasushi Fukuiri
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Publication number: 20030207405Abstract: The invention provides a method for producing a cytosine nucleoside compound from pentose-1-phosphate and cytosine or a derivative thereof using a nucleoside phosphorylase reactive to cytosine or a bacterium having the enzyme activity. The invention also provides a method for specifically reducing an activity to degrade the substrates or the product, resulting in efficient production of the cytosine nucleoside compound. According to the invention, little by-product is produced in producing cytonucleocide compounds.Type: ApplicationFiled: April 30, 2002Publication date: November 6, 2003Inventors: Tadashi Araki, Ichirou Ikeda, Kaori Matoishi, Reiko Abe, Toshihiro Oikawa, Yasuko Matsuba, Hiroki Ishibashi, Kiyoteru Nagahara, Yasushi Fukuiri