Patents by Inventor Hitoshi Narabe

Hitoshi Narabe 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).

  • Phospholipid composition
    Patent number: 6054494
    Abstract: The present invention relates to a phospholipid composition comprising two or more phospholipids, the electric conductivity and pH of a 5 wt. % suspension of the phospholipid composition in deionized water being in the range of 130 to 220 .mu.S/cm and in the range of 6.5 to 9.5, respectively; a process for producing the same; and the use of the same.
    Type: Grant
    Filed: July 13, 1998
    Date of Patent: April 25, 2000
    Assignee: Q. P. Corporation
    Inventors: Hitoshi Narabe, Kiyoko Tanabe, Yasuhiko Shigematsu, Noriyuki Ishikawa, Mari Yamada, Hideaki Kobayashi
  • Egg yolk phospholipid composition
    Patent number: 5904945
    Abstract: Disclosed is an egg yolk phospholipid composition comprising 80% or less of the composition of phospholipids and 0.10% by weight or less of glucose on the basis of the phospholipids. Such an egg yolk phospholipid composition scarcely undergoes browning during the preservation thereof although the phospholipids purity of the composition is not so high, that is, the phospholipids content of the composition is only 80% or less.
    Type: Grant
    Filed: August 29, 1996
    Date of Patent: May 18, 1999
    Assignee: Kewpie Kabushiki Kaisha
    Inventors: Hitoshi Narabe, Kiyoko Tanabe, Yasuhiko Shigematsu, Toshihide Sato
  • Phosphatidylcholine with high oxidative stability and process for its preparation
    Patent number: 5519159
    Abstract: Disclosed are a phosphatidylcholine excellent in oxidation stability, in which the ratio of the total weight of palmitoyl-linoleoyl-glycerophosphocholine (PLPC) and palmitoyl-oleoyl-glycerophosphocholine (POPC) to the total weight of stearoyl-linoleoyl-glycerophosphocholine (SLPC) and stearoyl-oleoyl-glycerophosphocholine (SOPC) is 4.5 or less, the PLPC, POPC, SLPC and SOPC being molecular species constituting the phosphatidylcholine, and in which the electric conductivity of a 5 wt. % suspension of the phosphatidylcholine in distilled water is 100 .mu.S/cm or less; and a process for producing the same.
    Type: Grant
    Filed: April 14, 1995
    Date of Patent: May 21, 1996
    Assignee: Kewpie Kabushiki Kaisha
    Inventors: Hitoshi Narabe, Hideaki Kobayashi, Mineo Hasegawa