Issued Patents All Time
Showing 26–41 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4735396 | Substrate for manufacturing single crystal thin films | Hideyuki Takakura | 1988-04-05 |
| 4717630 | Substrate for manufacturing single crystal thin films | Hideyuki Takakura | 1988-01-05 |
| 4670762 | Amorphous silicon semiconductor and process for same | Kazunori Tsuge, Yoshihisa Tawada | 1987-06-02 |
| 4634601 | Method for production of semiconductor by glow discharge decomposition of silane | Hideo Yamagishi, Yoshihisa Tawada | 1987-01-06 |
| 4612409 | Flexible photovoltaic device | Yoshihisa Tawada, Kazunori Tsuge, Masanobu Izumina | 1986-09-16 |
| 4544423 | Amorphous silicon semiconductor and process for same | Kazunori Tsuge, Yoshihisa Tawada | 1985-10-01 |
| 4499331 | Amorphous semiconductor and amorphous silicon photovoltaic device | Yoshihisa Tawada | 1985-02-12 |
| 4496788 | Photovoltaic device | Hiroaki Okamoto, Kouji Okuda | 1985-01-29 |
| 4491682 | Amorphous silicon photovoltaic device including a two-layer transparent electrode | Yoshihisa Tawada | 1985-01-01 |
| 4453184 | Solid state imaging device | Yosuke Nakajima | 1984-06-05 |
| 4450316 | Amorphous silicon photovoltaic device having two-layer transparent electrode | Yoshihisa Tawada | 1984-05-22 |
| 4410559 | Method of forming amorphous silicon films | Yoshihisa Tawada | 1983-10-18 |
| 4388482 | High-voltage photovoltaic cell having a heterojunction of amorphous semiconductor and amorphous silicon | Yoshihisa Tawada | 1983-06-14 |
| 4385200 | Photovoltaic cell having a hetero junction of amorphous silicon carbide and amorphous silicon | Yoshihisa Tawada | 1983-05-24 |
| 4385199 | Photovoltaic cell having a hetero junction of amorphous silicon carbide and amorphous silicon | Yoshihisa Tawada | 1983-05-24 |
| 4271328 | Photovoltaic device | Hiroaki Okamoto, Yoshiteru Nitta, Toshio Adachi | 1981-06-02 |