Patents by Inventor Okihiko Sakamoto

Okihiko Sakamoto 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: 6419962
    Abstract: An external skin treatment composition is described that comprises a “unicellularized” plant. This composition exhibits superior stability of the effective plant ingredients, superior moisture retention, and superior elimination of specific free radicals, and it offers sustained release of the effective plant ingredients. Methods are disclosed to unicellularize plants with, for example, an enzyme.
    Type: Grant
    Filed: June 26, 1997
    Date of Patent: July 16, 2002
    Assignee: Shiseido Company, Ltd.
    Inventors: Mineyuki Yokoyama, Hiroyuki Tsukada, Tetsuya Sakai, Shoko Yamaguchi, Yumiko Suzuki, Yasukazu Nakayama, Hiroaki Yasuhara, Okihiko Sakamoto
  • Patent number: 6174712
    Abstract: An agent for inducing flower bud formation in plants comprising an unsaturated fatty acid having an oxo group and a hydroxy group, a hydroperoxy group, or an oxo group, a hydroxy group, and a hydroperoxy group; a method for preparing said agent for inducing flower bud formation; and, a method for inducing flower bud formation using said agent for inducing flower bud formation are provided.
    Type: Grant
    Filed: July 2, 1998
    Date of Patent: January 16, 2001
    Assignee: Shiseido Company, Ltd.
    Inventors: Mineyuki Yokoyama, Atsushi Takimoto, Shinji Inomata, Kazuo Komatsu, Seiichi Yoshida, Okihiko Sakamoto, Kiyotaka Kojima, Shoko Yamaguchi, Hiroshi Fukui
  • Patent number: 6057157
    Abstract: An agent for inducing flower bud formation in plants comprising an unsaturated fatty acid having an oxo group and a hydroxy group, a hydroperoxy group, or an oxo group, a hydroxy group, and a hydroperoxy group; a method for preparing said agent for inducing flower bud formation; and, a method for inducing flower bud formation using said agent for inducing flower bud formation are provided.
    Type: Grant
    Filed: November 4, 1997
    Date of Patent: May 2, 2000
    Assignee: Shiseido Company, Ltd.
    Inventors: Mineyuki Yokoyama, Atsushi Takimoto, Shinji Inomata, Kazuo Komatu, Seiichi Yoshida, Okihiko Sakamoto, Kiyotaka Kojima
  • Patent number: 6046138
    Abstract: An indole derivative having the formula (I) or (II) and root formation inducing agents wherein these indole derivatives are an effective ingredient: ##STR1## wherein, R does not exist or represents a C.sub.1 to C.sub.4 alkylene group.
    Type: Grant
    Filed: March 10, 1998
    Date of Patent: April 4, 2000
    Assignee: Shiseido Company, Ltd.
    Inventors: Mineyuki Yokoyama, Shoko Yamaguchi, Seiichi Yoshida, Okihiko Sakamoto, Kiyotaka Kojima
  • Patent number: 6024941
    Abstract: An external skin treatment composition containing (I) vitamin A (retinol) and (II) as a stabilizer, a chelating agent/a polysaccharide, an oil, polyethylene (propylene) glycol, a hydroxy carboxylate, a neutral amino acid salt, an oil-soluble antioxidant/EDTA/a benzophenone compound, an oil-soluble antioxidant/an acid/a benzophenone compound, an inclusion compound of cyclodextrin including an antioxidant and/or an ultraviolet absorber, butanediol and/or an oil-soluble antioxidant, a water-soluble benzophenone compound, a basic amino acid and the salt thereof, an acidic amino acid and the salt thereof, a polar oil, a water-swellable clay mineral.
    Type: Grant
    Filed: April 27, 1995
    Date of Patent: February 15, 2000
    Assignee: Shiseido Company, Ltd.
    Inventors: Takeshi Yanagida, Okihiko Sakamoto
  • Patent number: 5798109
    Abstract: An external skin treatment composition comprising (a) vitamin A and (b) (i) at least one kind of powder or (ii) at least one silicone oil selected from the group consisting of dimethyl polysiloxane and methylphenyl polysiloxane having a viscosity of 2-20 cs at 25.degree. C.
    Type: Grant
    Filed: August 20, 1996
    Date of Patent: August 25, 1998
    Assignee: Shiseido Company, Ltd.
    Inventors: Takeshi Yanagida, Okihiko Sakamoto
  • Patent number: 5767158
    Abstract: An endermic liniment containing at least one type of phenylalanine compound, and/or its salt, is disclosed. This endermic liniment has a melanin production suppression effect and is superior in terms of its skin whitening effect as in preventing and/or improving chloasma, freckles and pigmentation in the skin after sunburn. It is also stable and highly safe.
    Type: Grant
    Filed: February 13, 1996
    Date of Patent: June 16, 1998
    Assignee: Shiseido Co., Ltd.
    Inventors: Masaru Suetsugu, Satoshi Shinojima, Okihiko Sakamoto, Masayuki Asaike, Yuki Shibata, Rumiko Kaku, Tsuneo Suehiro
  • Patent number: 5484816
    Abstract: An external skin treatment composition containing (I) vitamin A (retinol) and (II) as a stabilizer, a chelating agent/a polysaccharide, an oil, polyethylene (propylene) glycol, a hydroxy carboxylate, a neutral amino acid salt, an oil-soluble antioxidant/EDTA/a benzophenone compound, an oil-soluble antioxidant/an acid/a benzophenone compound, an inclusion compound of cyclodextrin including an antioxidant and/or an ultraviolet absorber, butanediol and/or an oil-soluble antioxidant, a water-soluble benzophenone compound, a basic amino acid and the salt thereof, an acidic amino acid and the salt thereof, a polar oil, a water-swellable clay mineral.
    Type: Grant
    Filed: March 10, 1994
    Date of Patent: January 16, 1996
    Assignee: Shiseido Company, Ltd.
    Inventors: Takeshi Yanagida, Okihiko Sakamoto