Patents by Inventor Yuichiro Doki

Yuichiro Doki 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: 12498362
    Abstract: A method of examining for cancer in a non-primate mammal such as a pet animal may include, for example, a method of examining or diagnosing for cancer in a non-primate mammal, including evaluating taxic behavior of nematodes toward a urine sample from a subject mammal.
    Type: Grant
    Filed: August 14, 2019
    Date of Patent: December 16, 2025
    Assignee: Hirotsu Bio Science Inc.
    Inventors: Takaaki Hirotsu, Satoru Kaifuchi, Toshimi Sugimoto, Hideshi Ishii, Masamitsu Konno, Yuji Ueda, Shogo Kobayashi, Hidetoshi Eguchi, Yuichiro Doki, Masaki Mori
  • Publication number: 20210215669
    Abstract: A method of examining for cancer in a non-primate mammal such as a pet animal may include, for example, a method of examining or diagnosing for cancer in a non-primate mammal, including evaluating taxic behavior of nematodes toward a urine sample from a subject mammal.
    Type: Application
    Filed: August 14, 2019
    Publication date: July 15, 2021
    Applicant: Hirotsu Bio Science Inc.
    Inventors: Takaaki HIROTSU, Satoru KAIFUCHI, Toshimi SUGIMOTO, Hideshi ISHII, Masamitsu KONNO, Yuji UEDA, Shogo KOBAYASHI, Hidetoshi EGUCHI, Yuichiro DOKI, Masaki MORI
  • Patent number: 9943569
    Abstract: The present invention relates to methods for preventing or reducing the incidence of postoperative pulmonary complications in surgical patients after an esophagectomy. The inventors discovered that the occurrence of postoperative pulmonary complications after an esophagectomy may be reduced through the perioperative administration of ghrelin to surgical patients.
    Type: Grant
    Filed: July 6, 2016
    Date of Patent: April 17, 2018
    Assignee: OSAKA UNIVERSITY
    Inventors: Yuichiro Doki, Shuji Takiguchi, Akihiro Takata, Yasuhiro Miyazaki
  • Publication number: 20170128487
    Abstract: An object of the present invention is to provide an agent that potentiates the antitumor effect of an anticancer agent by allowing efficient accumulation of the anticancer agent in tumor tissue. The administration of carbonate apatite with the anticancer agent allows efficient accumulation of the anticancer agent in the tumor tissue to dramatically potentiate the antitumor effect of the anticancer agent.
    Type: Application
    Filed: February 20, 2015
    Publication date: May 11, 2017
    Inventors: Hirofumi YAMAMOTO, Masaki MORI, Yuichiro DOKI, Xin WU
  • Publication number: 20170007674
    Abstract: The present invention relates to methods for preventing or reducing the incidence of postoperative pulmonary complications in surgical patients after an esophagectomy. The inventors discovered that the occurrence of postoperative pulmonary complications after an esophagectomy may be reduced through the perioperative administration of ghrelin to surgical patients.
    Type: Application
    Filed: July 6, 2016
    Publication date: January 12, 2017
    Applicant: OSAKA UNIVERSITY
    Inventors: Yuichiro DOKI, Shuji TAKIGUCHI, Akihiro TAKATA, Yasuhiro MIYAZAKI
  • Patent number: 9295640
    Abstract: A principal object of the present invention is to provide a pharmaceutical composition that can produce a high antitumor effect by efficiently delivering a drug with antitumor activity to tumor tissues with the aid of carbonate apatite nanoparticles. The present invention provides a pharmaceutical composition including carbonate apatite nanoparticles with an average particle size of at most 50 nm containing a drug with antitumor activity and a pharmacologically acceptable solvent in which the carbonate apatite nanoparticles containing the drug are dispersed.
    Type: Grant
    Filed: August 27, 2013
    Date of Patent: March 29, 2016
    Assignees: IJUNKAI
    Inventors: Hirofumi Yamamoto, Hiroyuki Nakanishi, Toshihiro Akaike, Masaki Mori, Yuichiro Doki, Xin Wu
  • Patent number: 9089550
    Abstract: An object of the present invention is to provide a pancreatic islet transplantation technique that enables increase of graft survival rate of pancreatic islets after pancreatic islet transplantation, to maintain survival of pancreatic islets, and to reduce the number of transplanted pancreatic islets required for normalizing blood glucose level. When performing pancreatic islet transplantation, by transplanting pancreatic islets and adipose tissue-derived stem cells together, it is possible to significantly improve graft survival rate of transplanted pancreatic islets, and reduce by half the number of transplanted pancreatic islets required for normalizing blood glucose level.
    Type: Grant
    Filed: August 5, 2011
    Date of Patent: July 28, 2015
    Assignee: OSAKA UNIVERSITY
    Inventors: Masahiro Tanemura, Yoshiaki Omura, Hiroaki Nagano, Masaki Mori, Yuichiro Doki, Toshinori Ito
  • Publication number: 20140302145
    Abstract: A principal object of the present invention is to provide a pharmaceutical composition that can produce a high antitumor effect by efficiently delivering a drug with antitumor activity to tumor tissues with the aid of carbonate apatite nanoparticles. The present invention provides a pharmaceutical composition including carbonate apatite nanoparticles with an average particle size of at most 50 nm containing a drug with antitumor activity and a pharmacologically acceptable solvent in which the carbonate apatite nanoparticles containing the drug are dispersed.
    Type: Application
    Filed: August 27, 2013
    Publication date: October 9, 2014
    Inventors: Toshihiro Akaike, Masaki Mori, Yuichiro Doki, Hirofumi Yamamoto, Hiroyuki Nakanishi
  • Patent number: 8852941
    Abstract: A major object of the present invention is to provide a method for producing induced pluripotent stem cells with low tumorigenesis potential and high induction efficiency. The invention provides a method for producing induced pluripotent stem cells comprising the step of introducing one or more nucleic acids that facilitate expression of at least one gene selected from the group consisting of NANOG, SOX2, OCT3/4, KLF4, LIN28, and c-MYC into somatic cells.
    Type: Grant
    Filed: February 18, 2011
    Date of Patent: October 7, 2014
    Assignee: Osaka University
    Inventors: Masaki Mori, Hideshi Ishii, Norikatsu Miyoshi, Yuichiro Doki, Masahiro Tanemura, Kenichi Nagai, Hiromitsu Hoshino, Yoshiaki Omura, Naotsugu Haraguchi, Susumu Miyazaki
  • Patent number: 8759099
    Abstract: The disclosed islet isolation method comprises: an injection step of injecting a preservation solution into the pancreatic duct of an excised pancreas; a preservation step of immersing the pancreas into an immersion fluid for preservation; a digestion step of breaking down the pancreas to provide pancreatic tissue; and a purification step of immersing the pancreatic tissue in a purification solution to provide islets. The digestion step consists of: an enzyme injection step of injecting an enzyme solution containing a digestion enzyme into the pancreas; a digestion initiation step of activating the digestion enzyme; a digestion termination step of inactivating the digestion enzyme; and a collection step of collecting the broken-down pancreatic tissue.
    Type: Grant
    Filed: July 13, 2011
    Date of Patent: June 24, 2014
    Assignee: Otsuka Pharmaceutical Factory, Inc.
    Inventors: Masahiro Tanemura, Yoshiki Sawa, Akira Myoui, Toshinori Ito, Masaki Mori, Yuichiro Doki
  • Publication number: 20130177986
    Abstract: The disclosed islet isolation method comprises: an injection step of injecting a preservation solution into the pancreatic duct of an excised pancreas; a preservation step of immersing the pancreas into an immersion fluid for preservation; a digestion step of breaking down the pancreas to provide pancreatic tissue; and a purification step of immersing the pancreatic tissue in a purification solution to provide islets. The digestion step consists of: an enzyme injection step of injecting an enzyme solution containing a digestion enzyme into the pancreas; a digestion initiation step of activating the digestion enzyme; a digestion termination step of inactivating the digestion enzyme; and a collection step of collecting the broken-down pancreatic tissue.
    Type: Application
    Filed: July 13, 2011
    Publication date: July 11, 2013
    Inventors: Masahiro Tanemura, Yoshiki Sawa, Akira Myouri, Toshinori Ito, Masaki Mori, Yuichiro Doki
  • Publication number: 20130171114
    Abstract: An object of the present invention is to provide a pancreatic islet transplantation technique that enables increase of graft survival rate of pancreatic islets after pancreatic islet transplantation, to maintain survival of pancreatic islets, and to reduce the number of transplanted pancreatic islets required for normalizing blood glucose level. When performing pancreatic islet transplantation, by transplanting pancreatic islets and adipose tissue-derived stem cells together, it is possible to significantly improve graft survival rate of transplanted pancreatic islets, and reduce by half the number of transplanted pancreatic islets required for normalizing blood glucose level.
    Type: Application
    Filed: August 5, 2011
    Publication date: July 4, 2013
    Applicant: OSAKA UNIVERSITY
    Inventors: Masahiro Tanemura, Yoshiaki Omura, Hiroaki Nagano, Masaki Mori, Yuichiro Doki, Toshinori Ito
  • Publication number: 20130065243
    Abstract: A major object of the present invention is to provide a method for producing induced pluripotent stem cells with low tumorigenesis potential and high induction efficiency. The invention provides a method for producing induced pluripotent stem cells comprising the step of introducing one or more nucleic acids that facilitate expression of at least one gene selected from the group consisting of NANOG, SOX2, OCT3/4, KLF4, LIN28, and c-MYC into somatic cells.
    Type: Application
    Filed: February 18, 2011
    Publication date: March 14, 2013
    Inventors: Masaki Mori, Hideshi Ishii, Norikatsu Miyoshi, Yuichiro Doki, Masahiro Tanemura, Kenichi Nagai, Hiromitsu Hoshino, Yoshiaki Omura, Naotsugu Haraguchi, Susumu Miyazaki