Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5695627 | Process for producing copper-indium-sulfur-selenium thin film and process for producing copper-indium-sulfur-selenium chalcopyrite crystal | Tomio Hirano, Takeshi Kamiya | 1997-12-09 |