Patents by Inventor Mashahi Aonuma

Mashahi Aonuma 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).

  • Magnetic recording medium with titanate coupling agent
    Patent number: 4444850
    Abstract: A magnetic recording medium comprising a non-magnetic base and an overlying magnetic coating having ferromagnetic particles dispersed in a binder is disclosed. The magnetic coating is characterized by further containing a titanate coupling agent.
    Type: Grant
    Filed: October 5, 1981
    Date of Patent: April 24, 1984
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Akihiro Matsufuji, Hideomi Watanabe, Mashahi Aonuma