Patents by Inventor Akihiko Yamagishi

Akihiko Yamagishi 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: 11136568
    Abstract: The present invention relates to pullulanase variants comprising substitutions of the parent pullulanase at one or more positions corresponding to positions 393, 143, 150, 243, 244, 345, 346, 368, 370, 373, 381, 382, 385, 387, 402, 429, 430, 431, 432, 456, 486, 492, 610, 624, 631, 632, 665 and 699 of the polypeptide of SEQ ID NO: 3. The present invention also relates to polynucleotides encoding the variants; nucleic acid constructs, vectors, and host cells comprising the polynucleotides; and methods of using the variants.
    Type: Grant
    Filed: April 1, 2020
    Date of Patent: October 5, 2021
    Assignee: Novozymes A/S
    Inventors: Tomoko Matsui, Akihiko Yamagishi
  • Publication number: 20200248157
    Abstract: The present invention relates to pullulanase variants comprising substitutions of the parent pullulanase at one or more positions corresponding to positions 393, 143, 150, 243, 244, 345, 346, 368, 370, 373, 381, 382, 385, 387, 402, 429, 430, 431, 432, 456, 486, 492, 610, 624, 631, 632, 665 and 699 of the polypeptide of SEQ ID NO: 3. The present invention also relates to polynucleotides encoding the variants; nucleic acid constructs, vectors, and host cells comprising the polynucleotides; and methods of using the variants.
    Type: Application
    Filed: April 1, 2020
    Publication date: August 6, 2020
    Applicant: Novozymes A/S
    Inventors: Tomoko Matsui, Akihiko YAMAGISHI
  • Patent number: 10640755
    Abstract: The present invention relates to pullulanase variants comprising substitutions of the parent pullulanase at one or more positions corresponding to positions 393, 143, 150, 243, 244, 345, 346, 368, 370, 373, 381, 382, 385, 387, 402, 429, 430, 431, 432, 456, 486, 492, 610, 624, 631, 632, 665 and 699 of the polypeptide of SEQ ID NO: 3. The present invention also relates to polynucleotides encoding the variants; nucleic acid constructs, vectors, and host cells comprising the polynucleotides; and methods of using the variants.
    Type: Grant
    Filed: June 25, 2018
    Date of Patent: May 5, 2020
    Assignee: NOVOZYMES A/S
    Inventors: Tomoko Matsui, Akihiko Yamagishi
  • Publication number: 20180298364
    Abstract: The present invention relates to pullulanase variants comprising substitutions of the parent pullulanase at one or more positions corresponding to positions 393, 143, 150, 243, 244, 345, 346, 368, 370, 373, 381, 382, 385, 387, 402, 429, 430, 431, 432, 456, 486, 492, 610, 624, 631, 632, 665 and 699 of the polypeptide of SEQ ID NO: 3. The present invention also relates to polynucleotides encoding the variants; nucleic acid constructs, vectors, and host cells comprising the polynucleotides; and methods of using the variants.
    Type: Application
    Filed: June 25, 2018
    Publication date: October 18, 2018
    Applicant: NOVOZYMES A/S
    Inventors: Tomoko MATSUI, Akihiko YAMAGISHI
  • Patent number: 10030237
    Abstract: The present invention relates to pullulanase variants having increased thermoactivity and comprising substitutions of the parent pullulanase at one or more positions corresponding to positions 393, 143, 150, 243, 244, 345, 346, 368, 370, 373, 381, 382, 385, 387, 402, 429, 430, 431, 432, 456, 486, 492, 610, 624, 631, 632, 665 and 699 of the polypeptide of SEQ ID NO: 3. The present invention also relates to polynucleotides encoding the variants; nucleic acid constructs, vectors, and host cells comprising the polynucleotides; and methods of using the variants. The variants are mainly derived from pullulanases from Bacillus deramificans, Bacillus acidopullulyticus or hybrid pullulanases.
    Type: Grant
    Filed: January 21, 2015
    Date of Patent: July 24, 2018
    Assignee: NOVOZYMES A/S
    Inventors: Tomoko Matsui, Akihiko Yamagishi
  • Publication number: 20170044511
    Abstract: The present invention relates to pullulanase variants having increased thermoactivity and comprising substitutions of the parent pullulanase at one or more positions corresponding to positions 393, 143, 150, 243, 244, 345, 346, 368, 370, 373, 381, 382, 385, 387, 402, 429, 430, 431, 432, 456, 486, 492, 610, 624, 631, 632, 665 and 699 of the polypeptide of SEQ ID NO: 3. The present invention also relates to polynucleotides encoding the variants; nucleic acid constructs, vectors, and host cells comprising the polynucleotides; and methods of using the variants. The variants are mainly derived from pullulanases from Bacillus deramificans, Bacillus acidopullulyticus or hybrid pullulanases.
    Type: Application
    Filed: January 21, 2015
    Publication date: February 16, 2017
    Applicant: NOVOZYMES A/S
    Inventors: Tomoko MATSUI, Akihiko YAMAGISHI
  • Patent number: 9023608
    Abstract: The present invention relates to glucose dehydrogenase [NAD(P)+GDH] using nicotinamide adenine dinucleotide or nicotinamide adenine dinucleotide phosphate as a coenzyme, in which the thermal stability and/or the resistance to an organic solvent in the absence of sodium chloride are improved.
    Type: Grant
    Filed: March 30, 2012
    Date of Patent: May 5, 2015
    Assignee: Nipro Corporation
    Inventors: Masafumi Yao, Shido Kawase, Shin-ichi Yokobori, Akihiko Yamagishi
  • Publication number: 20140335340
    Abstract: The present invention is a resin composition characterized in that an intercalated compound made of a layered silicate and a metal cationic iridium complex which emits light by having a ligand for light emission and a hydrophobic ligand is dispersed in a polymer matrix. According to the present invention, it is possible to provide a molding material which has stable light emission characteristics and which is flexible.
    Type: Application
    Filed: December 13, 2012
    Publication date: November 13, 2014
    Inventors: Kenji Tamura, Akihiko Yamagishi
  • Publication number: 20140030749
    Abstract: The present invention relates to glucose dehydrogenase [NAD(P)+GDH] using nicotinamide adenine dinucleotide or nicotinamide adenine dinucleotide phosphate as a coenzyme, in which the thermal stability and/or the resistance to an organic solvent in the absence of sodium chloride are improved.
    Type: Application
    Filed: March 30, 2012
    Publication date: January 30, 2014
    Applicant: UNITIKA LTD.
    Inventors: Masafumi Yao, Shido Kawase, Shin-ichi Yokobori, Akihiko Yamagishi
  • Patent number: 7871806
    Abstract: The invention relates to new asparaginases having improved properties, preferably improved thermotolerance, such as improved activity at high temperatures and/or improved thermostability. The invention also relates to DNA sequences encoding such improved asparaginases, their production in a recombinant host cell, as well as methods of using the asparaginases, in particular for reduction of acrylamide in foods. The invention furthermore relates to methods of generating and preparing asparaginase variants having improved properties.
    Type: Grant
    Filed: May 18, 2010
    Date of Patent: January 18, 2011
    Assignee: Novozymes A/S
    Inventors: Tomoko Matsui, Esben Peter Friis, Akihiko Yamagishi
  • Patent number: 7829320
    Abstract: The invention relates to new asparaginases having improved properties, preferably improved thermotolerance, such as improved activity at high temperatures and/or improved thermostability. The invention also relates to DNA sequences encoding such improved asparaginases, their production in a recombinant host cell, as well as methods of using the asparaginases, in particular for reduction of acrylamide in foods. The invention furthermore relates to methods of generating and preparing asparaginase variants having improved properties.
    Type: Grant
    Filed: November 6, 2009
    Date of Patent: November 9, 2010
    Assignee: Novozymes A/S
    Inventors: Tomoko Matsui, Esben Peter Friis, Akihiko Yamagishi
  • Publication number: 20100221385
    Abstract: The invention relates to new asparaginases having improved properties, preferably improved thermotolerance, such as improved activity at high temperatures and/or improved thermostability. The invention also relates to DNA sequences encoding such improved asparaginases, their production in a recombinant host cell, as well as methods of using the asparaginases, in particular for reduction of acrylamide in foods. The invention furthermore relates to methods of generating and preparing asparaginase variants having improved properties.
    Type: Application
    Filed: May 18, 2010
    Publication date: September 2, 2010
    Applicant: NOVOZYMES A/S
    Inventors: TOMOKO MATSUI, ESBEN PETER FRIIS, AKIHIKO YAMAGISHI
  • Publication number: 20100055726
    Abstract: The invention relates to new asparaginases having improved properties, preferably improved thermotolerance, such as improved activity at high temperatures and/or improved thermostability. The invention also relates to DNA sequences encoding such improved asparaginases, their production in a recombinant host cell, as well as methods of using the asparaginases, in particular for reduction of acrylamide in foods. The invention furthermore relates to methods of generating and preparing asparaginase variants having improved properties.
    Type: Application
    Filed: November 6, 2009
    Publication date: March 4, 2010
    Applicant: NOVOZYMES A/S
    Inventors: TOMOKO MATSUI, ESBEN PETER FRIIS, AKIHIKO YAMAGISHI
  • Patent number: 7666652
    Abstract: The invention relates to new asparaginases having improved properties, preferably improved thermotolerance, such as improved activity at high temperatures and/or improved thermostability. The invention also relates to DNA sequences encoding such improved asparaginases, their production in a recombinant host cell, as well as methods of using the asparaginases, in particular for reduction of acrylamide in foods. The invention furthermore relates to methods of generating and preparing asparaginase variants having improved properties.
    Type: Grant
    Filed: March 7, 2008
    Date of Patent: February 23, 2010
    Assignee: Novozymes A/S
    Inventors: Tomoko Matsui, Esben Peter Friis, Akihiko Yamagishi
  • Publication number: 20090170157
    Abstract: The invention relates to new asparaginases having improved properties, preferably improved thermotolerance, such as improved activity at high temperatures and/or improved thermostability. The invention also relates to DNA sequences encoding such improved asparaginases, their production in a recombinant host cell, as well as methods of using the asparaginases, in particular for reduction of acrylamide in foods. The invention furthermore relates to methods of generating and preparing asparaginase variants having improved properties.
    Type: Application
    Filed: March 7, 2008
    Publication date: July 2, 2009
    Applicant: Novozymes A/S
    Inventors: Tomoko Matsui, Esben Peter Friis, Akihiko Yamagishi
  • Publication number: 20020137094
    Abstract: The present invention provides a method for improving thermostability of proteins, proteins having improved thermostability, nucleic acids encoding the proteins and host cells producing the proteins improved in thermostability.
    Type: Application
    Filed: July 3, 2001
    Publication date: September 26, 2002
    Applicant: AJINOMOTO CO., INC.
    Inventor: Akihiko Yamagishi
  • Patent number: 5343111
    Abstract: A cathode ray tube having degaussing coils attached to an outer side of a glass vessel of a funnel part of a main body of the cathode ray tube, in which the degaussing coils each include a flattened part, extended along the outer front surface at a front side of a funnel part, a circular part having a circular cross-section and a transition part interconnecting the end parts of the flattened part and the circular part and changed in cross-section shape from a flattened rectangle to a circle. The degaussing coil may has shape flattened partially to reduce the outer size of the cathode ray tube and includes a plastic case for retaining the coil in the flattened shape. The degaussing coil is stabilized in shape and is not deformed during transport while its attachability with respect to the cathode ray tube may be improved.
    Type: Grant
    Filed: October 9, 1992
    Date of Patent: August 30, 1994
    Assignee: Sony Corporation
    Inventors: Toru Miwa, Yasuyuki Yamasaki, Akihiko Yamagishi
  • Patent number: 5145578
    Abstract: A packing material for liquid chromatography, comprising a spherical clay mineral powder which comprises a naturally occurring or synthetic water-swellable clay mineral, a clay mineral having foreign cations substantially substituted for interlayer ions inherently present in the naturally occurring or synthetic water-swellable clay mineral, or a calcined product thereof.
    Type: Grant
    Filed: September 24, 1990
    Date of Patent: September 8, 1992
    Assignee: Shiseido Company Ltd.
    Inventors: Kazo Tokubo, Michihiro Yamaguchi, Yutaka Ohtsu, Kiyoshi Nakamura, Satoshi Matsumoto, Akihiko Yamagishi