Patents by Inventor Isao Murotani

Isao Murotani 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: 5500416
    Abstract: A percutaneous absorption promoting agent comprising (A) at least one anionic surfactant and one or two or more of surfactants having a nitrogen atom in the molecule other than anionic surfactants, (B) one or two or more of anionic surfactants and one or two or more of nonionic surfactants not having a nitrogen atom in the molecule, (C) one or two or more of surfactants selected from the group consisting of amphoteric surfactant and semi-polar surfactants and at least one nonionic surfactant having a nitrogen atom in the molecule, (D) one or two or more of surfactants selected from the group consisting of nonionic surfactants, amphoteric surfactants, semi-polar surfactants and cationic surfactants having a nitrogen atom in the molecule, and one or two or more of nonionic surfactants not having a nitrogen atom in the molecule, or (E) an amine oxide as the active ingredient, and a dermatological preparation containing these percutaneous absorption promoting agent and drug components.
    Type: Grant
    Filed: September 10, 1993
    Date of Patent: March 19, 1996
    Assignee: Shiseido Company Ltd.
    Inventors: Kiyoshi Miyazawa, Tadahiro Chiba, Yuhei Iwata, Uhei Tamura, Isao Murotani, Shuya Tamaki
  • Patent number: 5225112
    Abstract: A shampoo composition containing components (I) to (V) shown below:(I) at least one alkyloylalkyltaurine salt type anionic surfactant of the formula (A): ##STR1## wherein R.sub.1 represents an alkyl group, an alkenyl group or a hydroxyalkyl group with an average carbon number of 7 to 19, R.sub.2 is a lower alkyl group with an average carbon number of 1 to 3, and M an alkali metal or an organic amine;(II) at least one betaine type amphoteric surfactant;(III) at least one nonionic surfactant with an HLB of 10 to 16;(IV) at least one surfactant selected from alkylolamide type nonionic surfactants represented by the formula (B): ##STR2## wherein R.sub.3 represents an alkyl group or an alkenyl group with an average carbon atom of 7 to 19, m and n are integers, and m+n is 1 to 5, and semi-polar surfactants;(V) at least one cationic high molecular weight compound.
    Type: Grant
    Filed: August 6, 1992
    Date of Patent: July 6, 1993
    Assignee: Shiseido Company, Ltd.
    Inventors: Kiyoshi Miyazawa, Uhei Tamura, Isao Murotani, Kenichi Tomita
  • Patent number: 5120716
    Abstract: A percutaneous absorption promoting agent comprising (A) at least one anionic surfactant and one or two or more of surfactants having a nitrogen atom in the molecule other than anionic surfactants, (B) one or two or more of anionic surfactants and one or two or more of nonionic surfactants not having a nitrogen atom in the molecule, (C) one or two or more of surfactants selected from the group consisting of amphoteric surfactant and semi-polar surfactants and at least one nonionic surfactant having a nitrogen atom in the molecule, (D) one or two or more of surfactants selected from the group consisting of nonionic surfactants, amphoteric surfactants, semi-polar surfactants and cationic surfactants having a nitrogen atom in the molecule, and one or two or more of nonionic surfactants not having a nitrogen atom in the molecule, or (E) an amine oxide as the active ingredient, and a dermatological preparation containing these percutaneous absorption promoting agent and drug components.
    Type: Grant
    Filed: October 5, 1988
    Date of Patent: June 9, 1992
    Assignee: Shiseido Company Ltd.
    Inventors: Kiyoshi Miyazawa, Tadahiro Chiba, Yuhei Iwata, Uhei Tamura, Isao Murotani, Shuya Tamaki
  • Patent number: 4617187
    Abstract: Cutaneous administration of ubidecarenone, for example, application of ubidecarenone in the form of an ointment has been proven to be effective for treatment of various skin disorders caused by radiation, such as radiation ulcers and radiation dermatitis.
    Type: Grant
    Filed: October 29, 1984
    Date of Patent: October 14, 1986
    Assignee: Eisai Co., Ltd.
    Inventors: Shinichi Okuyama, Hitoshi Mishina, Kazumaro Furuse, Isao Murotani