Issued Patents 1989
Showing 1–6 of 6 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 |
| 4877650 | Method for forming deposited film | Jinsho Matsuyama, Yutaka Hirai, Masao Ueki | 1989-10-31 |
| 4873125 | Method for forming deposited film | Jinsho Matsuyama, Yutaka Hirai, Masao Ueki | 1989-10-10 |
| 4851302 | Functional ZnSe:H deposited films | Katsumi Nakagawa, Shunichi Ishihara, Kozo Arao, Yasushi Fujioka, Masahiro Kanai | 1989-07-25 |
| 4842897 | Method for forming deposited film | Eiji Takeuchi, Jun-Ichi Hanna, Isamu Shimizu, Masaaki Hirooka, Masao Ueki | 1989-06-27 |
| D301555 | Digital counter for potentiometer | — | 1989-06-13 |