Issued Patents All Time
Showing 51–55 of 55 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5500056 | Solar cell containing low melting point glass layer | Takahiro Wada, Mitsusuke Ikeda, Masaharu Terauchi, Takayuki Negami, Naoki Kohara | 1996-03-19 |
| 5474622 | Solar cell having chalcopyrite semiconductor film | Takayuki Negami, Shigemi Kohiki, Takahiro Wada | 1995-12-12 |
| 5445847 | Method for preparing chalcopyrite-type compound | Takahiro Wada, Takayuki Negami | 1995-08-29 |
| 5422304 | Method for producing a thin film, and a semiconductor device having the thin film | Shigemi Kohiki, Takayuki Negami, Takahiro Wada | 1995-06-06 |
| 5389572 | Process of making chalcopyrite structure semiconductor film | Takayuki Negami, Shigemi Kohiki, Takahiro Wada | 1995-02-14 |