Patents by Inventor Yukihiko Iwai

Yukihiko Iwai 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).

  • Malto-oligosaccharide derivatives and uses thereof
    Patent number: 6596696
    Abstract: Maltoligosaccharide derivatives represented by the general formula: wherein n is an integer of 0 to 3 and X is a hydrogen atom or a hydrophobic group) or their hydrates or physiologically acceptable salts, and an &agr;-amylase inhibitor and a prophylactic or therapeutic agent for hyperglycemia such as diabetes containing them as an active ingredient.
    Type: Grant
    Filed: August 17, 2001
    Date of Patent: July 22, 2003
    Assignee: Kikkoman Corporation
    Inventors: Riichiro Uchida, Ayako Nasu, Yukihiko Iwai, Takao Someya, Koichiro Tobe
  • Health diet for preventing diseases caused by life-habit
    Patent number: 6051234
    Abstract: A health diet for preventing life-habit diseases (adult diseases) is provided.The health diet is prepared by directly encapsulating or tableting an organic solvent extract of soy sauce cakes or an aqueous alkali extract of a soy sauce oil, or blending the extracts with a diet.
    Type: Grant
    Filed: February 4, 1998
    Date of Patent: April 18, 2000
    Assignee: Kikkoman Corporation
    Inventors: Shigehiro Kataoka, Akio Obata, Jun Yamakoshi, Yukihiko Iwai, Tatuo Manaka, Toru Izumi, Koichiro Tobe, Nobuyuki Yamaji
  • Agent for the prevention or treatment of cataracts
    Patent number: 5804597
    Abstract: An agent for the prevention or treatment of cataracts comprising a proanthocyanidin oligomer is provided. The oral administration or application to the eyes of the agent of the invention produces a sufficient preventive or therapeutic effect against cataracts caused by oxidative disorders.
    Type: Grant
    Filed: January 6, 1997
    Date of Patent: September 8, 1998
    Assignee: Kikkoman Corporation
    Inventors: Jun Yamakoshi, Toshiaki Ariga, Hiroharu Ishikawa, Yukihiko Iwai, Tatuo Manaka, Shigehiro Kataoka, Katsumi Yuasa, Mamoru Kikuchi
  • Pharmaceutical preparation for prevention and/or treatment for cataract
    Patent number: 5698585
    Abstract: In order to prevent or treat cataract, present invention features 3(2H)-furanone derivatives having 3(2H)-furanone skeleton as a main structure and/or pharmaceutically acceptable salts thereof, pharmaceutical preparations containing the derivatives and/or the salts thereof, treatment methods of cataract, and their use. The 3(2H)-furanone derivatives have excellent effects for the prevention and/or treatment of cataract, for instance, senile cataract caused by oxidation disorder. Particularly, the pharmaceutical preparations have good effect for the prevention and/or treatment of cataract when they are administrated as ophtalmics.
    Type: Grant
    Filed: April 12, 1996
    Date of Patent: December 16, 1997
    Assignee: Kikkoman Corporation
    Inventors: Jun Yamakoshi, Tsutomu Sasaki, Hiroharu Ishikawa, Yukihiko Iwai, Takanao Matsudo, Kenji Mori, Mamoru Kikuchi