Patents by Inventor Masako Naganuma

Masako Naganuma 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).

  • IMMUNOPOTENTIATORS
    Publication number: 20040101576
    Abstract: An immunopotentiator for preventing ultraviolet light-induced skin immunosuppression or a drug against ultraviolet light-induced skin immunosuppression which contains glutathione or Scutellaria root extract. Also, an immunopotentiator or a drug against immunosuppression which contains linden extract, clove extract, Geranium herb extract or rosemary extract. They can prevent a reduction of immune functions due to ultraviolet light.
    Type: Application
    Filed: April 20, 1999
    Publication date: May 27, 2004
    Inventors: EIICHIRO YAGI, MASAKO NAGANUMA, ICHIRO IWAI, MASATO HATAO, KENJI YAMAGUCHI, GENJI WADA
  • Immunopotentiators
    Publication number: 20030086879
    Abstract: An immunopotentiator for preventing ultraviolet light-induced skin immunosuppression or a drug against ultraviolet light-induced skin immunosuppression which contains glutathione or Scutellaria root extract. Also, an immunopotentiator or a drug against immunosuppression which contains linden extract, clove extract, Geranium herb extract or rosemary extract. They can prevent a reduction of immune functions due to ultraviolet light.
    Type: Application
    Filed: May 7, 2002
    Publication date: May 8, 2003
    Applicant: Shiseido Co., Ltd.
    Inventors: Eiichiro Yagi, Masako Naganuma, Ichiro Iwai, Masato Hatao, Kenji Yamaguchi, Genji Wada
  • Endermic liniment containing a thiol compound and zinc oxide
    Patent number: 6169114
    Abstract: The present invention is an endermic liniment which characteristically contains a thiol compound and zinc oxide. An endermic liniment which can contain a thiol compound in a stable manner can be provided by blending in a thiol compound and zinc oxide.
    Type: Grant
    Filed: May 5, 1999
    Date of Patent: January 2, 2001
    Assignee: Shiseido Company, Ltd.
    Inventors: Kenji Yamaguchi, Eiichiro Yagi, Masako Naganuma, Masato Hatao, Ichiro Iwai
  • Liniment for melanin inhibitors
    Patent number: 5631002
    Abstract: An endermic liniment is provided which contains one of more of Piri-Piri extract, Pinon Negro extract, Pinon Blanco extract, or Cola de caballo extract. The endermic liniment exhibits superior hypochromic effects and whitening effects on pigment deposition, chloasma, freckles, liver spots, etc. after sunburn and is superior in terms of safety.
    Type: Grant
    Filed: June 29, 1995
    Date of Patent: May 20, 1997
    Assignee: Shiseido Co., Ltd.
    Inventors: Eiichiro Yagi, Hisayuki Komasaki, Yuki Shibata, Masako Naganuma, Minoru Fukuda
  • External preparation for skin
    Patent number: 5580549
    Abstract: An external preparing for skin comprising one or more than two types of 2-hydroxy benzoic acid derivative and/or salt thereof represented by the following formula: ##STR1## wherein R is an alkoxy group or alkyl group in the formula. The external preparation for the skin according to the present invention has a suppression effect on melanine generation by inhibition of tyrosinase activity. Accordingly, an excellent bleaching effect based upon the suppression of chromatosis and a high degree of safety can be obtained.
    Type: Grant
    Filed: March 16, 1995
    Date of Patent: December 3, 1996
    Assignee: Shiseido Co., Ltd.
    Inventors: Minoru Fukuda, Masako Naganuma, Yuki Yamase, Yoshihiro Yokokawa, Hisayuki Komasaki
  • Ultraviolet absorbing agent
    Patent number: 4322544
    Abstract: Ultraviolet absorbing compounds having the following formaulae are presented. ##STR1## wherein R.sup.1 is a saturated branched alkyl group having 7 carbon atoms, R.sup.2 is methyl or ethyl group and R.sup.3 is ortho-or para- methoxy group. These compounds have good ultraviolet protective properties and cause little or no irritation to human skin.
    Type: Grant
    Filed: March 27, 1980
    Date of Patent: March 30, 1982
    Assignee: Toray Industries, Inc.
    Inventors: Tomomi Okazaki, Kenichi Tomita, Hakuji Katsura, Masayuki Tejima, Masako Naganuma