Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5700400 | Method for producing a semiconducting material | Keizo Ikai, Masaki Minami | 1997-12-23 |
| 5620531 | Photovoltaic element | Keizo Ikai, Iwane Shiozaki, Masaki Minami | 1997-04-15 |