Patents by Inventor Tsuneo Suehiro

Tsuneo Suehiro 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).

  • Endermic liniment
    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