Patents by Inventor Susumu Kozasa

Susumu Kozasa 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).

  • Ion implanter
    Patent number: 4634931
    Abstract: Ions emitted from an ion source are dispersed by a dispersion means, and those ions of a predetermined mass number are extracted from the thus-dispersed ions and are selectively implanted into a sample. A plane of incidence of ions in the mass-dispersing means is so formed that the angle of incidence of ions thereon has a negative value, and a plane of emission of ions therein is so formed that the angle of emission of ions of the predetermined mass number therefrom has a positive value.
    Type: Grant
    Filed: August 2, 1984
    Date of Patent: January 6, 1987
    Assignee: Hitachi, Ltd.
    Inventors: Shunroku Taya, Susumu Kozasa