Patents by Inventor Akiko Sugimoto

Akiko Sugimoto 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).

  • 1.alpha., 2.alpha.-Dihydroxycholecalciferol and process for preparing the same
    Patent number: 4011250
    Abstract: 1.alpha.,2.alpha.-Dihydroxycholecaliciferol having improved vitamin D activities and a process for preparing the same are disclosed.
    Type: Grant
    Filed: August 6, 1975
    Date of Patent: March 8, 1977
    Assignees: Masayuki Ishikawa, Chikara Kaneko, Satoshi Sasaki, Tatsuo Suda
    Inventors: Masayuki Ishikawa, Chikara Kaneko, Satoshi Sasaki, Tatsuo Suda, Sachiko Yamada, Akiko Sugimoto