Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6706961 | Photovoltaic device and process for the production thereof | Koichi Shimizu, Tsutomu Murakami | 2004-03-16 |
| 6586270 | Process for producing a photovoltaic element | Tsutomu Murakami, Kouichi Shimizu | 2003-07-01 |