Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12404604 | Silicon ingot, silicon block, silicon substrate, and solar cell | Youhei OGASHIWA, Takeshi Takenoshita | 2025-09-02 |
| 9287434 | Method for producing semiconductor layer, method for producing photoelectric conversion device, and semiconductor starting material | Akio Yamamoto, Hiromitsu Ogawa, Aki Kitabayashi, Shinichi Abe, Kazumasa Umesato +5 more | 2016-03-15 |
| 9184329 | Photoelectric conversion device | Shinichi Abe, Akio Yamamoto, Kazumasa Umesato | 2015-11-10 |
| 8916905 | Photoelectric conversion device | Shintaro Kubo, Shuji Nakazawa, Rui Kamada, Shinnosuke Ushio, Shuichi Kasai +1 more | 2014-12-23 |
| 8772826 | Photoelectric conversion device | Hideaki Asao, Rui Kamada, Shuichi Kasai, Isamu Tanaka, Nobuyuki Horiuchi +1 more | 2014-07-08 |