Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6365894 | Electromagnet and magnetic field generating apparatus | Masahiro Tadokoro, Junichi Hirota, Kazuo Hiramoto, Masumi Umezawa | 2002-04-02 |
| 6236043 | Electromagnet and magnetic field generating apparatus | Masahiro Tadokoro, Junichi Hirota, Kazuo Hiramoto, Masumi Umezawa | 2001-05-22 |
| 5661366 | Ion beam accelerating device having separately excited magnetic cores | Junichi Hirota | 1997-08-26 |