Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6399411 | Method for forming non-single-crystal semiconductor thin film, and method for producing photovoltaic device | Tadashi Hori, Shotaro Okabe, Akira Sakai, Takahiro Yajima | 2002-06-04 |
| 6368944 | Method of manufacturing photovoltaic element and apparatus therefor | Shotaro Okabe, Yasushi Fujioka, Masahiro Kanai, Akira Sakai, Tadashi Sawayama +2 more | 2002-04-09 |