Patents by Inventor Yoshihiro Shiojima

Yoshihiro Shiojima 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: 6066316
    Abstract: This invention is to provide a fine dispersion composition of wax which is stable in wide temperature range and is favorable in safety such as skin irritation, and is to provide a hair cosmetic preparation which is excellent in hair dressing power and has less stickiness and can give smoothness and easiness of combing to a hair, and to provide a glazing agent. A fine dispersion composition and a hair cosmetic preparation and a glazing agent comprising the same which comprises amphoteric surfactant and/or semi-polar surfactant, nonionic surfactant and wax, a hair cosmetic preparation which comprises said fine dispersion composition of wax and one or more of a specific effective ingredient, and a glazing agent which comprises said fine dispersion composition of wax.
    Type: Grant
    Filed: March 20, 1998
    Date of Patent: May 23, 2000
    Assignee: Shiseido Co., Ltd.
    Inventors: Yoshihiro Shiojima, Takayuki Omura, Yasunari Nakama, Fuminori Harusawa
  • Patent number: 5203991
    Abstract: A packing material for liquid chromatography bears a polyalkylene polyamine moiety linked through a spacer moiety as the pendant group to a porous silica gel coated with a silicone polymer, and optionally is crosslinked by a crosslinking agent on two or more amino group of the different polyalkylene polyamine moieties, and a process for production thereof. Such a packing material is especially useful in the analysis of sugars.
    Type: Grant
    Filed: October 17, 1991
    Date of Patent: April 20, 1993
    Assignee: Shiseido Company, Ltd.
    Inventors: Hiroshi Kutsuna, Yoshihiro Shiojima, Tsuneo Suhara, Hiroshi Fukui, Yutaka Ohtsu, Michihiro Yamaguchi