Patents by Inventor Hitoshi Shirakawa

Hitoshi Shirakawa 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).

  • Genome stability enhancer
    Patent number: 10894067
    Abstract: Disclosed is a genome stability enhancer comprising, as an active ingredient, at least one member selected from the group consisting of enzyme-treated royal jelly, gnetum or its extract, and gnetin C.
    Type: Grant
    Filed: March 6, 2018
    Date of Patent: January 19, 2021
    Assignees: Yamada Bee Company, Inc., National Cancer Center, Tohoku University
    Inventors: Tomoki Ikuta, Shinobu Fukushima, Tomoki Tatefuji, Kenichi Yoshioka, Hitoshi Shirakawa
  • GENOME STABILITY ENHANCER
    Publication number: 20200023017
    Abstract: Disclosed is a genome stability enhancer comprising, as an active ingredient, at least one member selected from the group consisting of enzymatically degraded royal jelly, gnetum or its extract, and gnetin C.
    Type: Application
    Filed: March 6, 2018
    Publication date: January 23, 2020
    Inventors: Tomoki Ikuta, Shinobu Fukushima, Tomoki Tatefuji, Kenichi Yoshioka, Hitoshi Shirakawa
  • AGENT FOR INCREASING TESTOSTERONE LEVEL
    Publication number: 20140228447
    Abstract: Provided is a substance which is a safer and more commonly-consumed food ingredient that increase the testosterone level. The testosterone enhancer of the invention comprises vitamin K as an active ingredient. The vitamin is preferably menaquinone-4 and/or menaquinone-7. This enhancer is useful as pharmaceutical agents, supplements, health foods or functional foods for the prevention, amelioration and/or treatment of a condition or disease induced by the decreased testosterone level.
    Type: Application
    Filed: February 12, 2014
    Publication date: August 14, 2014
    Applicants: Tohoku University, J. Oil Mills
    Inventors: Michio Komai, Hitoshi Shirakawa, Yusuke Ohsaki, Tadashi Takumi, Asagi Ito, Toshiro Sato, Rumi Ozaki
  • Agent for increasing testosterone level
    Patent number: 8686049
    Abstract: Provided is a substance which is a safer and more commonly-consumed food ingredient that increase the testosterone level. The testosterone enhancer of the invention comprises vitamin K as an active ingredient. The vitamin is preferably menaquinone-4 and/or menaquinone-7. This enhancer is useful as pharmaceutical agents, supplements, health foods or functional foods for the prevention, amelioration and/or treatment of a condition or disease induced by the decreased testosterone level.
    Type: Grant
    Filed: May 21, 2007
    Date of Patent: April 1, 2014
    Assignees: Tohoku University
    Inventors: Michio Komai, Hitoshi Shirakawa, Yusuke Ohsaki, Tadashi Takumi, Asagi Ito, Toshiro Sato, Rumi Ozaki
  • AGENT FOR INCREASING TESTOSTERONE LEVEL
    Publication number: 20090209653
    Abstract: Provided is a substance which is a safer and more commonly-consumed food ingredient that increase the testosterone level. The testosterone enhancer of the invention comprises vitamin K as an active ingredient. The vitamin is preferably menaquinone-4 and/or menaquinone-7. This enhancer is useful as pharmaceutical agents, supplements, health foods or functional foods for the prevention, amelioration and/or treatment of a condition or disease induced by the decreased testosterone level.
    Type: Application
    Filed: May 21, 2007
    Publication date: August 20, 2009
    Inventors: Michio Komai, Hitoshi Shirakawa, Yusuke Ohsaki, Tadashi Takumi, Asagi Ito, Toshiro Sato, Rumi Ozaki
  • Diagnostic drugs for autoimmune diseases
    Patent number: 6822078
    Abstract: A diagnostic drug and a diagnostic kit for autoimmune diseases including at least one of a polypeptide selected from an HMG-1 family, a polypeptide selected from an HMG-2 family, a fragment thereof which is reactable with an antibody of an autoimmune disease patient, and a method for detecting an antibody of an autoimmune disease patient using the same are provided.
    Type: Grant
    Filed: June 7, 1999
    Date of Patent: November 23, 2004
    Assignee: Kaneka Corp.
    Inventors: Shoichi Ozaki, Junko Sobajima, Hiroko Uesugi, Takahiro Okazaki, Masao Tanaka, Kazuwa Nakao, Michiteru Yoshida, Hitoshi Shirakawa, Fumio Osakada
  • Diagnostic drugs for autoimmune diseases
    Publication number: 20040229279
    Abstract: A diagnostic drug and a diagnostic kit for autoimmune diseases including at least one of a polypeptide selected from an HMG-1 family, a polypeptide selected from an HMG-2 family, a fragment thereof which is reactable with an antibody of an autoimmune disease patient, and a method for detecting an antibody of an autoimmune disease patient using the same are provided.
    Type: Application
    Filed: December 2, 2003
    Publication date: November 18, 2004
    Inventors: Shoichi Ozaki, Junko Sobajima, Hiroko Uesugi, Takahiro Okazaki, Masao Tanaka, Kazuwa Nakao, Michiteru Yoshida, Hitoshi Shirakawa, Fumio Osakada
  • DIAGNOSTIC DRUGS FOR AUTOIMMUNE DISEASES
    Publication number: 20020009749
    Abstract: A diagnostic drug and a diagnostic kit for autoimmune diseases including at least one of a polypeptide selected from an HMG-1 family, a polypeptide selected from an HMG-2 family, a fragment thereof which is reactable with an antibody of an autoimmune disease patient, and a method for detecting an antibody of an autoimmune disease patient using the same are provided.
    Type: Application
    Filed: June 7, 1999
    Publication date: January 24, 2002
    Inventors: SHOICHI OZAKI, JUNKO SOBAJIMA, HIROKO UESUGI, TAKAHIRO OKAZAKI, MASAO TANAKA, KAZUWA NAKAO, MICHITERU YOSHIDA, HITOSHI SHIRAKAWA, FUMIO OSAKADA