Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5909261 | Plasma addressed electro-optical display | Atsushi Seki, Masatake Hayashi, Takahiro Togawa | 1999-06-01 |
| 5820920 | Method of producing cathode ray tube | Nobuyuki Matsushima, Shuichi Saito | 1998-10-13 |