Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5279679 | Multi-layered photovoltaic element having at least three unit cells | Tsutomu Murakami, Jinsho Matsuyama, Koichi Matsuda, Hiroshi Yamamoto | 1994-01-18 |
| 5279681 | Photovoltaic device with layer region containing germanium therin | Koichi Matsuda, Tsutomu Murakami, Jinsho Matsuyama, Naoto Okada | 1994-01-18 |