Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5676765 | Pin junction photovoltaic device having a multi-layered I-type semiconductor layer with a specific non-single crystal I-type layer formed by a microwave plasma CVD process | Koichi Matsuda, Hiroshi Shimoda, Yusuke Miyamoto | 1997-10-14 |
| 5656098 | Photovoltaic conversion device and method for producing same | Nobuyuki Ishikawa, Soichiro Kawakami, Jinsho Matsuyama, Toshimitsu Kariya, Yuzo Kouda +1 more | 1997-08-12 |
| 5599403 | Semiconductor device containing microcrystalline germanium & method for producing the same | Toshimitsu Kariya | 1997-02-04 |