Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6812483 | Optical semiconductor element utilizing optical transition between ZnO heterostructure sub-bands | Hideo Ohno, Masashi Kawasaki | 2004-11-02 |
| 6703645 | Spin filter | Hideo Ohno | 2004-03-09 |