Patents Assigned to PHC Corporation
  • Publication number: 20250035630
    Abstract: Provided are an immunoassay reagent and an immunoassay method for elastase 1 (E1) present in human fecal samples, which is simple and can handle a large number of samples without requiring special facilities or equipment, can analyze in a short time so as to be suitable for emergency testing, and can quantitatively analyze a wide range of concentrations from low to high. The immunoassay method, comprising: (a) adding ?1-antitrypsin (?1AT) to a fecal sample obtained from a subject; (b) incubating the fecal sample and reacting E1 with ?1AT to form a complex; (c) incubating the fecal sample with a solution containing a carrier on which an immunological partner capable of recognizing the E1-?1AT complex is immobilized; and (d) analyzing a change caused by the reaction between the E1-?1AT complex and the immunological partner.
    Type: Application
    Filed: November 30, 2022
    Publication date: January 30, 2025
    Applicant: PHC Corporation
    Inventors: Atsushi SATO, Yutaka NAGAHAMA
  • Patent number: 12180455
    Abstract: This culture device comprises: a duct having an inner wall surface which faces a culture space, and a mounting surface which faces the portion to be mounted to of the inner surface, the mounting surface being mounted to the portion to be mounted to, and an air passage being formed with the inner wall surface; and a microbial light source provided within the passage. A protrusion which comes into close contact with the mounting surface, and which protrudes towards the mounting surface, is formed on the portion to be mounted to, or a protrusion which comes into close contact with the portion to be mounted to and which protrudes towards the portion to be mounted to is formed on the mounting surface.
    Type: Grant
    Filed: March 1, 2021
    Date of Patent: December 31, 2024
    Assignee: PHC CORPORATION
    Inventors: Hikaru Aoki, Hiroki Hirai, Manami Baba
  • Publication number: 20240302385
    Abstract: Provided are a novel biomarker that can conveniently detect a tubulointerstitial disorder or that can grasp the disease state of a kidney disease using a urine sample, and a use thereof. The biomarker is scd14-st in urine.
    Type: Application
    Filed: June 30, 2022
    Publication date: September 12, 2024
    Applicant: PHC CORPORATION
    Inventors: Akihito TANAKA, Kazuhiro FURUHASHI, Shoichi MARUYAMA, Yuriko SAWA, Kamon SHIRAKAWA
  • Patent number: 12085327
    Abstract: This cold storage is provided with: a first sliding door that opens/closes a cold chamber; a second sliding door that opens/closes the cold chamber, and is positioned between the cold chamber and the first sliding door when the cold chamber is fully open; a compressor disposed at a position that becomes closer to the closed end of the second sliding door than the closed end of the first sliding door when the cold chamber is fully closed; a fan that generates air flow passing the surroundings of the compressor; and a housing that accommodates the compressor, and has formed therein a blow port for blowing out the air flow toward the first sliding door and the second sliding door.
    Type: Grant
    Filed: February 17, 2022
    Date of Patent: September 10, 2024
    Assignee: PHC CORPORATION
    Inventors: Nobuyuki Tsukui, Eiichi Mori, Eiji Doi
  • Publication number: 20240288435
    Abstract: The purpose of the present invention is to develop a biomarker that better reflects thrombus formation in vivo, and to provide a method that enables risk assessment of cancer-associated thrombosis in the perioperative period of cancer patients. The method includes a step of measuring the concentration of soluble CLEC2 in blood collected from the cancer patients.
    Type: Application
    Filed: January 13, 2022
    Publication date: August 29, 2024
    Applicant: PHC Corporation
    Inventors: Yukihiko FUJII, Masahide KAWAMURA, Kamon SHIRAKAWA
  • Publication number: 20240264175
    Abstract: In the treatment of hemorrhagic stroke, provided is a means for conveniently complementing the diagnosis by blood tests. The method comprises a step of measuring (or determining) the concentration of soluble clec2 (or a value obtained by dividing the soluble clec2 concentration by platelet counts) present in blood collected from a patient suspected of having hemorrhagic stroke or a patient diagnosed with hemorrhagic stroke.
    Type: Application
    Filed: May 31, 2022
    Publication date: August 8, 2024
    Applicant: PHC CORPORATION
    Inventors: Hideo WADA, Masahide KAWAMURA
  • Publication number: 20240264174
    Abstract: Provided is a convenient, rapid, and objective blood test-based risk evaluation method for the diagnosis of tia that can complement the clinical symptom interview, and provided is a convenient, rapid, and objective blood test-based risk evaluation method for the differential diagnosis of cardiogenic and non-cardiogenic acute cerebral vascular diseases such as cerebral infarction and tia that can complement imaging, electrocardiogram, and conventional blood tests. The concentration of soluble clec2 is measured in the blood collected from a patient.
    Type: Application
    Filed: May 31, 2022
    Publication date: August 8, 2024
    Applicant: PHC CORPORATION
    Inventors: Hideo WADA, Masahide KAWAMURA
  • Patent number: 12044460
    Abstract: Provided is a cold storage including: a sliding door; a lower frame for guiding a lower side of the sliding door, the lower frame having a recessed part; an upper frame for guiding an upper side of the sliding door; and a first sealing member having a first attachment part, which is a portion attached to the sliding door, and a first tip-end. A cross-sectional shape of the first sealing member is an arcuate shape. The first attachment part is located at the uppermost side of the first sealing member. The first tip-end is located at the lowermost side of the first sealing member. When a wheel of the sliding door drops into the recessed part, an outer peripheral surface of the first sealing member is brought into close contact with the upper frame or the lower frame.
    Type: Grant
    Filed: February 17, 2022
    Date of Patent: July 23, 2024
    Assignee: PHC CORPORATION
    Inventors: Nobuyuki Tsukui, Eiichi Mori, Eiji Doi
  • Patent number: 12018755
    Abstract: This seal structure of a cold storage comprises: a long member that has a magnetic portion configured from a magnetic material; and packing having a magnet that attracts and is attracted by the magnetic portion, a holding portion that holds the magnet, and a sealing portion that comes into close contact with the long member at a position further inward or outward of a cooling chamber than the holding portion when the cooling chamber is sealed, the packing increasing the distance between one portion of the magnet and the long member prior to increasing the distance between the other portion of the magnet and the long member during separation from the long member.
    Type: Grant
    Filed: February 17, 2022
    Date of Patent: June 25, 2024
    Assignee: PHC CORPORATION
    Inventors: Nobuyuki Tsukui, Eiichi Mori, Eiji Doi
  • Patent number: 11345897
    Abstract: The present invention provides a microorganism-derived soluble coenzyme-binding glucose dehydrogenase which catalyzes a reaction for oxidizing glucose in the presence of an electron acceptor, has an activity to maltose as low as 5% or less, and is inhibited by 1,10-phenanthroline. The invention also provides a method for producing the coenzyme-binding glucose dehydrogenase, and a method and a reagent for measuring employing the coenzyme-binding glucose dehydrogenase. According to the invention, the coenzyme-binding glucose dehydrogenase can be applied to an industrial field, and a use becomes possible also in a material production or analysis including a method for measuring or eliminating glucose in a sample using the coenzyme-binding glucose dehydrogenase as well as a method for producing an organic compound. It became also possible to provide a glucose sensor capable of accurately measuring a blood sugar level.
    Type: Grant
    Filed: February 15, 2019
    Date of Patent: May 31, 2022
    Assignees: Ikeda Food Research Co., Ltd., PHC Corporation
    Inventors: Hironori Omura, Hirokazu Sanada, Takako Yada, Tetsunari Morita, Mika Kuyama, Tokuji Ikeda, Kenji Kano, Seiya Tsujimura
  • Patent number: 11225645
    Abstract: The present invention provides a microorganism-derived soluble coenzyme-binding glucose dehydrogenase which catalyzes a reaction for oxidizing glucose in the presence of an electron acceptor, has an activity to maltose as low as 5% or less, and is inhibited by 1,10-phenanthroline. The invention also provides a method for producing the coenzyme-binding glucose dehydrogenase, and a method and a reagent for measuring employing the coenzyme-binding glucose dehydrogenase, According to the invention, the coenzyme-binding glucose dehydrogenase can be applied to an industrial field, and a use becomes possible also in a material production or analysis including a method for measuring or eliminating glucose in a sample using the coenzyme-binding glucose dehydrogenase as well as a method for producing an organic compound. It became also possible to provide a glucose sensor capable of accurately measuring a blood sugar level.
    Type: Grant
    Filed: February 15, 2019
    Date of Patent: January 18, 2022
    Assignees: Ikeda Food Research Co., Ltd., PHC Corporation
    Inventors: Hironori Omura, Hirokazu Sanada, Takako Yada, Tetsunari Morita, Mika Kuyama, Tokuji Ikeda, Kenji Kano, Seiya Tsujimura
  • Patent number: 11155789
    Abstract: The present invention provides a microorganism-derived soluble coenzyme-binding glucose dehydrogenase which catalyzes a reaction for oxidizing glucose in the presence of an electron acceptor, has an activity to maltose as low as 5% or less, and is inhibited by 1,10-phenanthroline. The invention also provides a method for producing the coenzyme-binding glucose dehydrogenase, and a method and a reagent for measuring employing the coenzyme-binding glucose dehydrogenase. According to the invention, the coenzyme-binding glucose dehydrogenase can be applied to an industrial field, and a use becomes possible also in a material production or analysis including a method for measuring or eliminating glucose in a sample using the coenzyme-binding glucose dehydrogenase as well as a method for producing an organic compound. It became also possible to provide a glucose sensor capable of accurately measuring a blood sugar level.
    Type: Grant
    Filed: February 15, 2019
    Date of Patent: October 26, 2021
    Assignees: Ikeda Food Research Co., Ltd., PHC Corporation
    Inventors: Hironori Omura, Hirokazu Sanada, Takako Yada, Tetsunari Morita, Mika Kuyama, Tokuji Ikeda, Kenji Kano, Seiya Tsujimura
  • Patent number: 10988738
    Abstract: The present invention provides a microorganism-derived soluble coenzyme-binding glucose dehydrogenase which catalyzes a reaction for oxidizing glucose in the presence of an electron acceptor, has an activity to maltose as low as 5% or less, and is inhibited by 1,10-phenanthroline. The invention also provides a method for producing the coenzyme-binding glucose dehydrogenase, and a method and a reagent for measuring employing the coenzyme-binding glucose dehydrogenase. According to the invention, the coenzyme-binding glucose dehydrogenase can be applied to an industrial field, and a use becomes possible also in a material production or analysis including a method for measuring or eliminating glucose in a sample using the coenzyme-binding glucose dehydrogenase as well as a method for producing an organic compound. It became also possible to provide a glucose sensor capable of accurately measuring a blood sugar level.
    Type: Grant
    Filed: February 15, 2019
    Date of Patent: April 27, 2021
    Assignees: Ikeda Food Research Co., Ltd., PHC Corporation
    Inventors: Hironori Omura, Hirokazu Sanada, Takako Yada, Tetsunari Morita, Mika Kuyama, Tokuji Ikeda, Kenji Kano, Seiya Tsujimura
  • Patent number: 10883133
    Abstract: The present invention provides members that produce on a large scale a coenzyme-linked glucose dehydrogenase which has excellent substrate-recognizing ability toward glucose while providing low action on maltose. The present invention relates to a polynucleotide encoding a soluble coenzyme-linked glucose dehydrogenase that catalyzes the oxidation of glucose in the presence of an electron acceptor and has an activity toward maltose of 5% or lower; a polypeptide encoded by the nucleotide sequence of the polynucleotide; a recombinant vector carrying the polynucleotide; a transformed cell produced using the recombinant vector; a method for producing a polypeptide comprising culturing the transformed cell and collecting from the cultivated products a polypeptide that links to FAD to exert the glucose dehydration activity; a method for determination of glucose using the polypeptide; a reagent composition for determination of glucose; and a biosensor.
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: January 5, 2021
    Assignees: Ikeda Food Research Co., Ltd., PHC Corporation
    Inventors: Hironori Omura, Hirokazu Sanada, Takako Yada, Ayaka Atsumi, Tetsunari Morita, Emi Ishimaru
  • Patent number: 10851398
    Abstract: The present invention provides members that produce on a large scale a coenzyme-linked glucose dehydrogenase which has excellent substrate-recognizing ability toward glucose while providing low action on maltose. The present invention relates to a polynucleotide encoding a soluble coenzyme-linked glucose dehydrogenase that catalyzes the oxidation of glucose in the presence of an electron acceptor and has an activity toward maltose of 5% or lower; a polypeptide encoded by the nucleotide sequence of the polynucleotide; a recombinant vector carrying the polynucleotide; a transformed cell produced using the recombinant vector; a method for producing a polypeptide comprising culturing the transformed cell and collecting from the cultivated products a polypeptide that links to FAD to exert the glucose dehydration activity; a method for determination of glucose using the polypeptide; a reagent composition for determination of glucose; and a biosensor.
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: December 1, 2020
    Assignees: Ikeda Food Research Co., Ltd., PHC Corporation
    Inventors: Hironori Omura, Hirokazu Sanada, Takako Yada, Ayaka Atsumi, Tetsunari Morita, Emi Ishimaru
  • Patent number: 10815515
    Abstract: The present invention provides members that produce on a large scale a coenzyme-linked glucose dehydrogenase which has excellent substrate-recognizing ability toward glucose while providing low action on maltose. The present invention relates to a polynucleotide encoding a soluble coenzyme-linked glucose dehydrogenase that catalyzes the oxidation of glucose in the presence of an electron acceptor and has an activity toward maltose of 5% or lower; a polypeptide encoded by the nucleotide sequence of the polynucleotide; a recombinant vector carrying the polynucleotide; a transformed cell produced using the recombinant vector; a method for producing a polypeptide comprising culturing the transformed cell and collecting from the cultivated products a polypeptide that links to FAD to exert the glucose dehydration activity; a method for determination of glucose using the polypeptide; a reagent composition for determination of glucose; and a biosensor.
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: October 27, 2020
    Assignees: Ikeda Food Research Co., Ltd., PHC Corporation
    Inventors: Hironori Omura, Hirokazu Sanada, Takako Yada, Ayaka Atsumi, Tetsunari Morita, Emi Ishimaru
  • Patent number: 10808274
    Abstract: The present invention provides members that produce on a large scale a coenzyme-linked glucose dehydrogenase which has excellent substrate-recognizing ability toward glucose while providing low action on maltose. The present invention relates to a polynucleotide encoding a soluble coenzyme-linked glucose dehydrogenase that catalyzes the oxidation of glucose in the presence of an electron acceptor and has an activity toward maltose of 5% or lower; a polypeptide encoded by the nucleotide sequence of the polynucleotide; a recombinant vector carrying the polynucleotide; a transformed cell produced using the recombinant vector; a method for producing a polypeptide comprising culturing the transformed cell and collecting from the cultivated products a polypeptide that links to FAD to exert the glucose dehydration activity; a method for determination of glucose using the polypeptide; a reagent composition for determination of glucose; and a biosensor.
    Type: Grant
    Filed: March 21, 2018
    Date of Patent: October 20, 2020
    Assignees: Ikeda Food Research Co., Ltd., PHC Corporation
    Inventors: Hironori Omura, Hirokazu Sanada, Takako Yada, Ayaka Atsumi, Tetsunari Morita, Emi Ishimaru
  • Patent number: D894395
    Type: Grant
    Filed: May 28, 2019
    Date of Patent: August 25, 2020
    Assignee: PHC CORPORATION
    Inventors: Yoshiaki Iida, Akihiro Mochizuki, Fumio Yamada, Tomoyoshi Tokumaru, Keisuke Taira
  • Patent number: D901691
    Type: Grant
    Filed: April 24, 2019
    Date of Patent: November 10, 2020
    Assignee: PHC CORPORATION
    Inventor: Yoshiaki Iida
  • Patent number: D904618
    Type: Grant
    Filed: May 28, 2019
    Date of Patent: December 8, 2020
    Assignee: PHC CORPORATION
    Inventors: Yoshiaki Iida, Akihiro Mochizuki, Fumio Yamada, Tomoyoshi Tokumaru, Keisuke Taira