Patents by Inventor Keiko Hoshi

Keiko Hoshi 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).

  • Preservative of cut flowers
    Patent number: 5536155
    Abstract: Preservatives for cut flowers which include an extract from eucalyptus leaves as a bactericidal agent. The preservative further includes at least one additive selected from naturally occurring bactericidal substances not found in the extract from eucalyptus leaves, saccharides, disinfectants, water-soluble mineral substances, calcium phosphate compounds, surface active substances and plant hormones. The preservative is effective to keep cut flowers fresh for an extended period of time, does not harmfully effect the flowers, and is safe and has no toxic effect to young children, when it is drunk by mistake.
    Type: Grant
    Filed: July 27, 1994
    Date of Patent: July 16, 1996
    Assignee: Asahi Kogaku Kogyo Kabushiki Kaisha
    Inventors: Kouji Futaki, Keiko Shigeno, Keiko Hoshi
  • 11-beta, 17-alpha, 21-trihydroxy-1, 4-pregnadiene-3, 20 21-[(E-E)-3,7, 11-trimethyl-2,6,10-dodecatrienoate]
    Patent number: 5278156
    Abstract: 11.beta.,17.alpha.,21-Trihydroxy-1,4-pregnadiene-3,20-dione 21-[(E,E)-3,7,11-trimethyl-2,6,10-dodecatrienoate] of the formula ##STR1## an antiinflammatory composition thereof and a method for the production thereof.11.beta.,17.alpha.,21-Trihydroxy-1,4-pregnadiene-3,20-dione 21-[(E,E)-3,7,11-trimethyl-2,6,10-dodecatrienoate] of the present invention exhibits remarkably excellent antiinflammatory action and besides, displays reduced side effects and can be produced in high selectivity and good yield and conveniently.
    Type: Grant
    Filed: March 24, 1992
    Date of Patent: January 11, 1994
    Assignees: Kuraray Co., Ltd., Taiho Pharmaceutical Co., Ltd.
    Inventors: Yutaka Mizushima, Keiko Hoshi, Rie Igarashi, Hirofusa Ajioka, Noriyuki Yamamoto, Masahito Komuro, Koichi Kanehira, Masayuki Inoue, Takashi Nishida, Michio Terasawa, Kenzo Arizono
  • 11.beta., 17.alpha.,21-trihydroxy-1,4-pregnadiene-3,20-dione 21-[(E,E)-3,7,11-trimethyl-2,6,10-dodecatrienoate]
    Patent number: 5015746
    Abstract: 11.beta.,17.alpha.,21-Trihydroxy-1,4-pregnadiene-3,20-dione 21-[(E,E)-3,7,11-trimethyl-2,6,10-dodecatrienoate] of the formula ##STR1## an antiinflammatory composition thereof and a method for the production thereof.11.beta.,17.alpha.,21-Trihydroxy-1,4-pregnadiene-3,20-dione 21-[(E,E)-3,7,11-trimethyl-2,6,10-dodecatrienoate] of the present invention exhibits remarkably excellent antiinflammatory action and besides, displays reduced side effects and can be produced in high selectivity and good yield and conveniently.
    Type: Grant
    Filed: January 23, 1989
    Date of Patent: May 14, 1991
    Assignee: Kuraray Co., Ltd.
    Inventors: Yutaka Mizushima, Keiko Hoshi, Rie Igarashi, Hirofusa Ajioka, Noriyuki Yamamoto, Masahito Komuro, Koichi Kanehira, Masayuki Inoue, Takashi Nishida, Manzo Shiono, Michio Terasawa, Kenzo Arizono