Patents by Inventor Takako Kamishita

Takako Kamishita 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).

  • Patent number: 6863883
    Abstract: A second agent composition for permanent wave treatment having a dyeing effect and a method for dyeing the hair which has been permanently waved. More particularly, a second agent composition for permanent wave treatment comprising a cationic dye having a quaternary nitrogen atom, which is optionally delocalizable, and a —X?N— bond wherein X represents a nitrogen atom or a —CH— bond, and a method for dyeing the hair which has been subjected to a permanent wave treatment using the cationic dye.
    Type: Grant
    Filed: February 8, 1999
    Date of Patent: March 8, 2005
    Assignee: Henkel Lion Cosmetics Co. Ltd.
    Inventors: Yoshio Tsujino, Takako Kamishita