Patents by Inventor Kumi Kameyama

Kumi Kameyama 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: 7588747
    Abstract: A novel singlet oxygen quencher is disclosed. The quencher consists of a colloidal liquid of a platinum metal group. A composition comprising, as an active ingredient, the singlet oxygen quencher is also disclosed.
    Type: Grant
    Filed: August 20, 2004
    Date of Patent: September 15, 2009
    Assignees: KOSE Corporation, APT Co., Ltd.
    Inventors: Noboru Naito, Kumi Kameyama, Akemi Takayama, Misako Kobayashi, Yusei Miyamoto, Masashi Kajita
  • Publication number: 20070090153
    Abstract: A novel singlet oxygen quencher is disclosed. The quencher comprises a colloidal liquid of a platinum metal group. A composition comprising, as an active ingredient, the singlet oxygen quencher is also disclosed.
    Type: Application
    Filed: August 20, 2004
    Publication date: April 26, 2007
    Inventors: Noboru Naito, Kumi Kameyama, Akemi Takayama, Misako Kobayashi, Yusei Miysmoto, Masashi Kajita
  • Publication number: 20060147397
    Abstract: Disclosed is a composition containing a compound represented by formula (1) below, and a particular class ingredient. In formula (1), R1 represents —CH2OH or COOR6, R6 represents hydrogen, lower alkyl group having the number of carbon atoms of 1 to 3 or cation capable of forming a salt with COO?, each of R2 to R5 independently represents a hydrogen atom or methyl group, and . . . A . . . represents ?C(CH3)—, —C(CH3)?, —C(?CH2)—, —CH(CH3)—; or —C(OH) (CH3)—.
    Type: Application
    Filed: July 30, 2003
    Publication date: July 6, 2006
    Applicant: Kose Corporation
    Inventors: Shizuka Uehara, Taku Hoshino, Masakazu Mutou, Kumi Kameyama