Patents by Inventor Yoshimaru Kumano

Yoshimaru Kumano 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).

  • Cosmetic containing fine soft microcapsules
    Patent number: 6231873
    Abstract: A cosmetic composition on an external treatment agent containing microcapsules, with an average particle size of 0.1 to 2000 &mgr;m, enclosing a hydrophobic component, wherein the microcapsules are composed of a gelatin film swollen with water.
    Type: Grant
    Filed: December 22, 1997
    Date of Patent: May 15, 2001
    Assignee: Shiseido Company, LTD
    Inventors: Akira Noda, Michihiro Yamaguchi, Masanori Aizawa, Yoshimaru Kumano
  • External skin treatment composition
    Patent number: 5753242
    Abstract: An external skin treatment composition comprising erythritol, hydrogenated lecithin, and a polyoxyethylene-added cholesterol derivative, which is superior in prevention and improvement of skin roughness, with little sticky feeling, with quick absorption into the skin, and superior in the softening effect on the corneum.
    Type: Grant
    Filed: September 11, 1996
    Date of Patent: May 19, 1998
    Assignee: Shiseido Company, Ltd.
    Inventors: Fumiaki Nakamura, Yoshimaru Kumano, Kenzo Ito
  • External dermatological composition
    Patent number: 5478560
    Abstract: An external dermatological composition comprising a salt of L-arginine-L-aspartic acid and a pharmacologically acceptable carrier therefor.
    Type: Grant
    Filed: December 6, 1993
    Date of Patent: December 26, 1995
    Assignee: Shiseido Company Ltd.
    Inventors: Naoki Tominaga, Ito Kenzo, Yoshimaru Kumano
  • Transparent composition
    Patent number: 5162377
    Abstract: A transparent composition containing a phospholipid, at least one cationic or nonionic surfactant, an oily component, and water.
    Type: Grant
    Filed: June 15, 1989
    Date of Patent: November 10, 1992
    Assignee: Shiseido Company, Ltd.
    Inventors: Hiroyuki Kakoki, Shoji Nishiyama, Michihiro Yamaguchi, Yoshimaru Kumano
  • Cosmetic containing fine soft microcapsules
    Patent number: 5089269
    Abstract: A cosmetic composition on an external treatment agent containing microcapsules, with an average particle size of 0.1 to 2000 .mu.m, enclosing a hydrophobic component, wherein the microcapsules are composed of a gelatin film swollen with water.
    Type: Grant
    Filed: May 27, 1988
    Date of Patent: February 18, 1992
    Assignee: Shiseido Company Ltd.
    Inventors: Akira Noda, Michihiro Yamaguchi, Masanori Aizawa, Yoshimaru Kumano
  • Water-in-oil emulsion type cosmetics
    Patent number: 5015469
    Abstract: A water-in-oil type emulsified composition containing a water-swellable clay mineral, a nonionic surfactant, an oil component, and water as the essential constituents or containing a water-swellable clay mineral, a quaternary ammonium salt type cationic surfactant, one or two more kinds of polyoxyalkylene modified organopolysiloxane, an aqueous phase, and an oil phase containing one or two or more kinds of organic silicone resin comprising the units of the formula:RnSiO.sub.(4-n)/2wherein R is a hydrocarbon group having 1 to 6 carbon atoms or a phenyl group, and n represents a value of 1.0 to 1.8, and a water- and polyhydric alcohol-in-oil type emulsified composition containing an oil phase containing a polyoxyalkylene modified organopolysiloxane, a water-swellable clay mineral, a quaternary ammonium salt type cationic surfactant and a silicone oil, water, and a polyhydric alcohol.
    Type: Grant
    Filed: July 23, 1990
    Date of Patent: May 14, 1991
    Assignee: Shideido Company Ltd.
    Inventors: Toshio Yoneyama, Michihiro Yamaguchi, Shinji Tobe, Tomiyuki Nanba, Masaaki Ishiwatari, Hidekazu Toyoda, Shin Nakamura, Yoshimaru Kumano, Sadaki Takata, Hiromi Ito
  • Water-in-oil emulsifier compositions
    Patent number: 4035513
    Abstract: A water-in-oil emulsifier composition suitable for providing stable cosmetics such as creams, milky lotions, sticks, etc., comprises a mixture of: (A) a partial ester of a polyhydric alcohol having at least 3 hydroxyl groups and a fatty acid, the partial ester being in the liquid state at room temperature; and (B) an aqueous solution of an amino acid or a salt thereof.
    Type: Grant
    Filed: October 20, 1975
    Date of Patent: July 12, 1977
    Assignee: Shiseido Co., Ltd.
    Inventor: Yoshimaru Kumano