Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4807047 | Electro luminescence device and electrophotographic printing system using the same | Seii Sato, Masayuki Wakitani, Tadashi Hasegawa, Shizuo Andoh, Hideaki Takizawa +5 more | 1989-02-21 |
| 4523189 | El display device | Kazuhiro Takahara, Keizo Kurahashi, Hiroyuki Gondo, Kenichi Oki | 1985-06-11 |
| 4423356 | Self-shift type gas discharge panel | Sei Sato, Masayuki Wakitani, Kenichi Oki, Hisashi Yamaguchi, Yoshinori Miyashita +2 more | 1983-12-27 |