Patents by Inventor Kennichi Kasuga

Kennichi Kasuga 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: 7504370
    Abstract: Detergent compositions each of which comprises (A) at least one phosphate ester or a salt thereof represented by the following formula (1): wherein R1 represents a C8-C18 hydrocarbon group, m stands for a number of from 0 to 10 on weight average, X represents H, an alkali metal atom, ammonium, a basic amino acid residual group, or an alkanolamino group having a hydroxy(C2-C3 alkyl) group, and R2 represents —(CH2CH2O)m—R1 or X, or a mixture thereof, and (B) at least one glyceryl ether having a C4-C12 alkyl or alkenyl group. These detergent compositions are low in skin irritation and are good in foaming performance.
    Type: Grant
    Filed: October 22, 2004
    Date of Patent: March 17, 2009
    Assignee: KAO Corporation
    Inventors: Chikako Matsumoto, Nobuaki Tatsuta, Morinobu Fukuda, Tetsuya Miyajima, Kennichi Kasuga
  • Publication number: 20070224152
    Abstract: A hair cleansing composition containing the following components (A), (B) and (C): (A) 0.1 to 20 wt. % of an organic dicarboxylic acid which may have a hydroxy group, a hydroxycarboxylic acid, or a salt thereof; (B) 0.001 to 10 wt. % of an at least one antiphlogistics; (C) 0.5 to 60 wt. % of an anionic surfactant, wherein the composition diluted 20 times by weight with water has a pH of 1 to 5 at 25° C.
    Type: Application
    Filed: March 16, 2007
    Publication date: September 27, 2007
    Applicant: KAO CORPORATION
    Inventors: Atsushi SAKAI, Kennichi Kasuga, Aya Suzuki, Kaori Kojima
  • Publication number: 20050113281
    Abstract: Detergent compositions each of which comprises (A) at least one phosphate ester or a salt thereof represented by the following formula (1): wherein R1 represents a C8-C18 hydrocarbon group, m stands for a number of from 0 to 10 on weight average, X represents H, an alkali metal atom, ammonium, a basic amino acid residual group, or an alkanolamino group having a hydroxy(C2-C3 alkyl) group, and R2 represents —(CH2CH2O)m—R1 or X, or a mixture thereof, and (B) at least one glyceryl ether having a C4-C12 alkyl or alkenyl group. These detergent compositions are low in skin irritation and are good in foaming performance.
    Type: Application
    Filed: October 22, 2004
    Publication date: May 26, 2005
    Applicant: KAO CORPORATION
    Inventors: Chikako Matsumoto, Nobuaki Tatsuta, Morinobu Fukuda, Tetsuya Miyajima, Kennichi Kasuga
  • Patent number: 6855677
    Abstract: Detergent compositions each of which comprises (A) at least one phosphate ester or a salt thereof represented by the following formula (1): wherein R1 represents a C8-C18 hydrocarbon group, m stands for a number of from 0 to 10 on weight average, X represents H, an alkali metal atom, ammonium, a basic amino acid residual group, or an alkanolamino group having a hydroxy(C2-C3 alkyl) group, and R2 represents —(CH2CH2O)m—R1 or X, or a mixture thereof, and (B) at least one glyceryl ether having a C4-C12 alkyl or alkenyl group. These detergent compositions are low in skin irritation and are good in foaming performance.
    Type: Grant
    Filed: October 11, 2000
    Date of Patent: February 15, 2005
    Assignee: Kao Corporation
    Inventors: Chikako Matsumoto, Nobuaki Tatsuta, Morinobu Fukuda, Tetsuya Miyajima, Kennichi Kasuga
  • Patent number: 6624126
    Abstract: Detergent compositions containing (A) an anionic surfactant, (B) an antibacterial agent, and (C) a glyceryl ether having a C4-12 alkyl or alkenyl group. The compositions are excellent in detergency and quick foaming properties, have high antibacterial action and bring about sufficient antipruritic and deodorant effects on the scalp or body and antidandruff effects on the scalp.
    Type: Grant
    Filed: August 8, 2002
    Date of Patent: September 23, 2003
    Assignee: Kao Corporation
    Inventors: Kennichi Kasuga, Tetsuya Miyajima
  • Patent number: 6417146
    Abstract: An aqueous liquid detergent composition comprises: (A) 1 to 50 wt. % of a surfactant selected from an anionic surfactant, a nonionic surfactant or an amphoteric surfactant; (B) 0.3 to 5 wt. % of a long-chain fatty acid glycol ester represented by the following formula (1):  wherein R1 represents a linear or branched, C13-23 alkyl or alkenyl group, n stands for an integer of 1 to 3, and A represents H  and (C) 0.1 to 10 wt.% of a glyceryl ether having one or more linear or branched, C4-12 alkyl or alkenyl groups.
    Type: Grant
    Filed: October 11, 2000
    Date of Patent: July 9, 2002
    Assignee: Kao Corporation
    Inventors: Tetsuya Miyajima, Kennichi Kasuga
  • Patent number: 6221816
    Abstract: The invention relates to a detergent composition comprising (A) 0.5 to 60% by weight of a surfactant selected from the group consisting of anionic surfactants, nonionic surfactants and amphoteric surfactants, (B) 0.01 to 20% by weight of a conditioning component, and (C) 0.1 to 30% by weight of a monoglyceryl ether having a linear or branched alkyl or alkenyl group having 4 to 12 carbon atoms. The composition is excellent in foaming performance, gives users a pleasant feeling upon use and brings about a sufficient conditioning effect on the skin and hair.
    Type: Grant
    Filed: December 9, 1999
    Date of Patent: April 24, 2001
    Assignee: Kao Corporation
    Inventors: Kennichi Kasuga, Tetsuya Miyajima