Patents by Inventor Wakako Sakamoto

Wakako Sakamoto 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).

  • Cationized hyaluronic acid and/or salt thereof, method of producing the same, hair modifying agent, cuticle repairing agent, skin modifying agent, and cosmetic preparation each using the same
    Patent number: 8410076
    Abstract: A cationized hyaluronic acid and/or a salt thereof includes a quaternary ammonium group-containing group, and has a degree of cationization of 0.15 to 0.6.
    Type: Grant
    Filed: April 23, 2008
    Date of Patent: April 2, 2013
    Assignee: Q.P. Corporation
    Inventors: Kazunori Asaoka, Shunichi Fujikawa, Tomoyuki Kanemitsu, Wakako Sakamoto
  • CATIONIZED HYALURONIC ACID AND/OR SALT THEREOF, METHOD OF PRODUCING THE SAME, HAIR MODIFYING AGENT, CUTICLE REPAIRING AGENT, SKIN MODIFYING AGENT, AND COSMETIC PREPARATION EACH USING THE SAME
    Publication number: 20100197904
    Abstract: A cationized hyaluronic acid and/or a salt thereof includes a quaternary ammonium group-containing group, and has a degree of cationization of 0.15 to 0.6.
    Type: Application
    Filed: April 23, 2008
    Publication date: August 5, 2010
    Applicant: Q. P. Corporation
    Inventors: Kazunori Asaoka, Shunichi Fujikawa, Tomoyuki Kanemitsu, Wakako Sakamoto
  • Oral skin improving agent, skin improving method, and food composition for improving skin
    Patent number: 6566346
    Abstract: There are provided an oral skin improving agent that exhibits good skin improving effects when orally ingested, suppresses problems of discoloration and generation of unpleasant odor during storage, and has excellent storage stability; a food composition for improving skin containing this skin improving agent; and a skin improving method. The oral skin improving agent contains as a principal component refined hyaluronic acid having a purity of at least 90%, preferably at least 95%, and an average molecular weight in a range of 750,000 to 1,200,000, preferably 800,000 to 1,000,000. A person's skin can be improved by having the person ingest the oral skin improving agent such that the ingestion amount thereof is at least 5 mg per day.
    Type: Grant
    Filed: March 11, 2002
    Date of Patent: May 20, 2003
    Assignee: Q.P. Corporation
    Inventors: Osami Kajimoto, Wakako Sakamoto, Wataru Odanaka, Kazuya Yoshida
  • Oral skin improving agent, skin improving method, and food composition for improving skin
    Publication number: 20030050277
    Abstract: There are provided an oral skin improving agent that exhibits good skin improving effects when orally ingested, suppresses problems of discoloration and generation of unpleasant odor during storage, and has excellent storage stability; a food composition for improving skin containing this skin improving agent; and a skin improving method. The oral skin improving agent contains as a principal component refined hyaluronic acid having a purity of at least 90%, preferably at least 95%, and an average molecular weight in a range of 750,000 to 1,200,000, preferably 800,000 to 1,000,000. A person's skin can be improved by having the person ingest the oral skin improving agent such that the ingestion amount thereof is at least 5 mg per day.
    Type: Application
    Filed: March 11, 2002
    Publication date: March 13, 2003
    Applicant: Q.P. CORPORATION
    Inventors: Osami Kajimoto, Wakako Sakamoto, Wataru Odanaka, Kazuya Yoshida