Issued Patents 2003
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6660931 | Substrate for solar cell, solar cell having the same, and production process of solar cell | Noboru Toyama, Yuichi Sonoda | 2003-12-09 |
| 6632346 | Process for electrodepositing zinc oxide film | Kozo Arao, Noboru Toyama, Yuichi Sonoda | 2003-10-14 |
| 6592739 | Process and apparatus for forming zinc oxide film, and process and apparatus for producing photovoltaic device | Yuichi Sonoda, Kozo Arao, Noboru Toyama | 2003-07-15 |
| 6576112 | Method of forming zinc oxide film and process for producing photovoltaic device using it | Yuichi Sonoda, Noboru Toyama, Hidetoshi Tsuzuki | 2003-06-10 |
| 6544877 | Method of producing thin film of zinc oxide, process for manufacturing photovoltaic element using its method, and photovoltaic element | Yuichi Sonoda, Kozo Arao, Noboru Toyama | 2003-04-08 |