Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5334259 | Amorphous silicon solar cell and method of manufacture | Kenji Sawada, Naoki Kojima, Yasuyoshi Kawanishi, Masatoshi Otsuki | 1994-08-02 |
| 5192944 | Solar-powered display device | Masatoshi Otsuki, Yasuyoshi Kawanishi, Kenji Sawada, Yoshinori Kaido, Masayoshi Maeba | 1993-03-09 |