Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7847186 | Silicon based thin film solar cell | Toru Sawada, Toshiaki Sasaki, Masashi Yoshimi, Masahiro Goto, Kenji Yamamoto | 2010-12-07 |
| 7781668 | Substrate for thin-film solar cell, method for producing the same, and thin-film solar cell employing it | Toshiaki Sasaki, Yuko Tawada, Kenji Yamamoto | 2010-08-24 |
| 7550665 | Stacked photoelectric converter | Toshiaki Sasaki, Kenji Yamamoto, Masashi Yoshimi, Mitsuru Ichikawa | 2009-06-23 |