Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6092669 | Equipment for producing thin-film solar cell | Katsumi Kushiya, Takahisa Kase | 2000-07-25 |
| 6048442 | Method for producing thin-film solar cell and equipment for producing the same | Katsumi Kushiya, Takahisa Kase | 2000-04-11 |
| 5981868 | Thin-film solar cell comprising thin-film light absorbing layer of chalcopyrite multi-element compound semiconductor | Katsumi Kushiya, Takahisa Kase | 1999-11-09 |