Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888062 | Pin junction photovoltaic element having I-type semiconductor layer comprising non-single crystal material containing at least Zn, Se and H in an amount of 1 to 4 atomic % | Katsumi Nakagawa, Masahiro Kanai, Shunichi Ishihara, Kozo Arao, Yasushi Fujioka +1 more | 1989-12-19 |